diff --git a/day-16_gofr/3layerarch/.golangci.yml b/day-16_gofr/3layerarch/.golangci.yml
new file mode 100644
index 0000000..fcf9b14
--- /dev/null
+++ b/day-16_gofr/3layerarch/.golangci.yml
@@ -0,0 +1,175 @@
+version: "2"
+linters:
+ default: none
+ enable:
+ - asciicheck
+ - bodyclose
+ - canonicalheader
+ - copyloopvar
+ - dogsled
+ - dupl
+ - err113
+ - errcheck
+ - errorlint
+ - exhaustive
+ - funlen
+ - gochecknoglobals
+ - gochecknoinits
+ - gocognit
+ - goconst
+ - gocritic
+ - gocyclo
+ - godot
+ - goprintffuncname
+ - gosec
+ - govet
+ - ineffassign
+ - lll
+ - mirror
+ - misspell
+ - mnd
+ - nakedret
+ - nestif
+ - noctx
+ - nolintlint
+ - prealloc
+ - revive
+ - rowserrcheck
+ - staticcheck
+ - testifylint
+ - thelper
+ - unconvert
+ - unparam
+ - unused
+ - usestdlibvars
+ - usetesting
+ - whitespace
+ - wsl
+
+ # don't enable:
+ # - godox # Disabling because we need TODO lines at this stage of project.
+ # - testpackage # We also need to do unit test for unexported functions. And adding _internal in all files is cumbersome.
+
+ settings:
+ dupl:
+ threshold: 100
+ exhaustive:
+ default-signifies-exhaustive: false
+ funlen:
+ lines: 100
+ statements: 50
+ goconst:
+ min-len: 2
+ min-occurrences: 2
+ gocritic:
+ disabled-checks:
+ - dupImport # https://github.com/go-critic/go-critic/issues/845
+ - ifElseChain
+ - octalLiteral
+ - whyNoLint
+ - wrapperFunc
+ enabled-tags:
+ - diagnostic
+ - experimental
+ - opinionated
+ - performance
+ - style
+ gocyclo:
+ min-complexity: 10
+ govet:
+ enable:
+ - shadow
+ settings:
+ printf:
+ funcs:
+ - (gofr.dev/pkg/gofr/Logger).Logf
+ - (gofr.dev/pkg/gofr/Logger).Errorf
+ lll:
+ line-length: 140
+ misspell:
+ locale: US
+ mnd:
+ checks:
+ - argument
+ - case
+ - condition
+ - return
+ nolintlint:
+ require-explanation: true # require an explanation for nolint directives
+ require-specific: true # require nolint directives to be specific about which linter is being skipped
+ allow-unused: false # report any unused nolint directives
+ revive:
+ rules:
+ - name: blank-imports
+ - name: context-as-argument
+ - name: context-keys-type
+ - name: dot-imports
+ - name: empty-block
+ - name: error-naming
+ - name: error-return
+ - name: error-strings
+ - name: errorf
+ - name: exported
+ arguments:
+ # enables checking public methods of private types
+ - checkPrivateReceivers
+ # make error messages clearer
+ - sayRepetitiveInsteadOfStutters
+ - name: increment-decrement
+ - name: indent-error-flow
+ - name: range
+ - name: receiver-naming
+ - name: redefines-builtin-id
+ - name: superfluous-else
+ - name: time-naming
+ - name: unexported-return
+ - name: unreachable-code
+ - name: unused-parameter
+ - name: var-declaration
+ - name: var-naming
+ - name: bare-return
+ - name: bool-literal-in-expr
+ - name: comment-spacings
+ - name: early-return
+ - name: defer
+ - name: deep-exit
+ - name: unused-receiver
+ - name: use-any
+ staticcheck:
+ checks:
+ - all
+ - -QF1001 # TODO remove this line and fix reported errors
+ - -QF1003 # TODO remove this line and fix reported errors
+ - -QF1008 # TODO remove this line and fix reported errors
+ - -ST1000 # TODO remove this line and fix reported errors
+ usestdlibvars:
+ time-layout: true
+ exclusions:
+ presets:
+ - common-false-positives # TODO fix errors reported by this and remove this line
+ - legacy # TODO fix errors reported by this and remove this line
+ - std-error-handling # TODO remove this line, configure errcheck, and fix reported errors
+ rules:
+ - linters:
+ - dupl
+ - goconst
+ - mnd
+ path: _test\.go
+ - linters:
+ - revive
+ text: "exported (.+) should have comment" # TODO fix errors reported by this and remove this line
+ paths:
+ - examples # TODO remove this line and fix reported errors
+formatters:
+ enable:
+ - gci
+ - gofmt
+ settings:
+ gci:
+ sections:
+ - standard
+ - default
+ - localmodule
+ goimports:
+ local-prefixes:
+ - github.com/golangci/golangci-lint
\ No newline at end of file
diff --git a/day-16_gofr/3layerarch/.idea/.gitignore b/day-16_gofr/3layerarch/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/day-16_gofr/3layerarch/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/day-16_gofr/3layerarch/.idea/3layerarch.iml b/day-16_gofr/3layerarch/.idea/3layerarch.iml
new file mode 100644
index 0000000..5e764c4
--- /dev/null
+++ b/day-16_gofr/3layerarch/.idea/3layerarch.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/day-16_gofr/3layerarch/.idea/modules.xml b/day-16_gofr/3layerarch/.idea/modules.xml
new file mode 100644
index 0000000..88952d1
--- /dev/null
+++ b/day-16_gofr/3layerarch/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/day-16_gofr/3layerarch/c.out b/day-16_gofr/3layerarch/c.out
new file mode 100644
index 0000000..8b33f4b
--- /dev/null
+++ b/day-16_gofr/3layerarch/c.out
@@ -0,0 +1,158 @@
+mode: set
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diff --git a/day-16_gofr/3layerarch/configs/.env b/day-16_gofr/3layerarch/configs/.env
new file mode 100644
index 0000000..9f55646
--- /dev/null
+++ b/day-16_gofr/3layerarch/configs/.env
@@ -0,0 +1,10 @@
+APP_NAME=test-service
+HTTP_PORT=8080
+
+DB_HOST=localhost
+DB_USER=root
+DB_PASSWORD=root123
+DB_NAME=test_db
+DB_PORT=3306
+DB_DIALECT=mysql
+METRICS_PORT=9999
\ No newline at end of file
diff --git a/day-16_gofr/3layerarch/datasource/sql.go b/day-16_gofr/3layerarch/datasource/sql.go
new file mode 100644
index 0000000..f155073
--- /dev/null
+++ b/day-16_gofr/3layerarch/datasource/sql.go
@@ -0,0 +1,40 @@
+package datasource
+
+import (
+ "database/sql"
+)
+
+func New(creds string) (*sql.DB, error) {
+ db, err := sql.Open("mysql", creds)
+ if err != nil {
+ return nil, err
+ }
+
+ err = db.Ping()
+
+ if err != nil {
+ return nil, err
+ }
+
+ // Ensure TASKS table exists
+ _, err = db.Exec(`CREATE TABLE IF NOT EXISTS TASKS (
+ id INT AUTO_INCREMENT PRIMARY KEY,
+ task TEXT,
+ completed BOOL DEFAULT FALSE,
+ user_id int
+ );`)
+ if err != nil {
+ return nil, err
+ }
+
+ // Ensure USERS table exists
+ _, err = db.Exec(`CREATE TABLE IF NOT EXISTS USERS (
+ id INT AUTO_INCREMENT PRIMARY KEY,
+ name VARCHAR(100)
+ );`)
+ if err != nil {
+ return nil, err
+ }
+
+ return db, nil
+}
diff --git a/day-16_gofr/3layerarch/docs/docs.go b/day-16_gofr/3layerarch/docs/docs.go
new file mode 100644
index 0000000..1f61e36
--- /dev/null
+++ b/day-16_gofr/3layerarch/docs/docs.go
@@ -0,0 +1,304 @@
+// Package docs Code generated by swaggo/swag. DO NOT EDIT
+package docs
+
+import "github.com/swaggo/swag"
+
+const docTemplate = `{
+ "schemes": {{ marshal .Schemes }},
+ "swagger": "2.0",
+ "info": {
+ "description": "{{escape .Description}}",
+ "title": "{{.Title}}",
+ "contact": {},
+ "version": "{{.Version}}"
+ },
+ "host": "{{.Host}}",
+ "basePath": "{{.BasePath}}",
+ "paths": {
+ "/task": {
+ "get": {
+ "description": "Returns a list of all tasks",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "List all tasks",
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "array",
+ "items": {
+ "$ref": "#/definitions/models.Task"
+ }
+ }
+ },
+ "500": {
+ "description": "Internal Server Error",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "post": {
+ "description": "Creates a task with the given JSON body",
+ "consumes": [
+ "application/json"
+ ],
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Create a new task",
+ "parameters": [
+ {
+ "description": "Task to create",
+ "name": "task",
+ "in": "body",
+ "required": true,
+ "schema": {
+ "$ref": "#/definitions/models.Task"
+ }
+ }
+ ],
+ "responses": {
+ "201": {
+ "description": "Created",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/task/{id}": {
+ "get": {
+ "description": "Returns a task given its ID",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Get task by ID",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "$ref": "#/definitions/models.Task"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "put": {
+ "description": "Marks a task as completed",
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Update task status",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "delete": {
+ "description": "Deletes a task by ID",
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Delete task",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/user": {
+ "post": {
+ "description": "Creates a user with the given JSON body",
+ "consumes": [
+ "application/json"
+ ],
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "users"
+ ],
+ "summary": "Create a new user",
+ "parameters": [
+ {
+ "description": "User to create",
+ "name": "user",
+ "in": "body",
+ "required": true,
+ "schema": {
+ "$ref": "#/definitions/models.User"
+ }
+ }
+ ],
+ "responses": {
+ "201": {
+ "description": "Created",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/user/{id}": {
+ "get": {
+ "description": "Returns a user given their ID",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "users"
+ ],
+ "summary": "Get user by ID",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "User ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "$ref": "#/definitions/models.User"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ }
+ },
+ "definitions": {
+ "models.Task": {
+ "type": "object",
+ "properties": {
+ "completed": {
+ "type": "boolean"
+ },
+ "id": {
+ "type": "integer"
+ },
+ "task": {
+ "type": "string"
+ },
+ "user_id": {
+ "type": "integer"
+ }
+ }
+ },
+ "models.User": {
+ "type": "object",
+ "properties": {
+ "id": {
+ "type": "integer"
+ },
+ "name": {
+ "type": "string"
+ }
+ }
+ }
+ }
+}`
+
+// SwaggerInfo holds exported Swagger Info so clients can modify it
+var SwaggerInfo = &swag.Spec{
+ Version: "1.0",
+ Host: "localhost:8080",
+ BasePath: "/",
+ Schemes: []string{},
+ Title: "Task Management API",
+ Description: "This is a sample server for managing tasks and users.",
+ InfoInstanceName: "swagger",
+ SwaggerTemplate: docTemplate,
+ LeftDelim: "{{",
+ RightDelim: "}}",
+}
+
+func init() {
+ swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
+}
diff --git a/day-16_gofr/3layerarch/docs/swagger.json b/day-16_gofr/3layerarch/docs/swagger.json
new file mode 100644
index 0000000..f5e05c9
--- /dev/null
+++ b/day-16_gofr/3layerarch/docs/swagger.json
@@ -0,0 +1,280 @@
+{
+ "swagger": "2.0",
+ "info": {
+ "description": "This is a sample server for managing tasks and users.",
+ "title": "Task Management API",
+ "contact": {},
+ "version": "1.0"
+ },
+ "host": "localhost:8080",
+ "basePath": "/",
+ "paths": {
+ "/task": {
+ "get": {
+ "description": "Returns a list of all tasks",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "List all tasks",
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "array",
+ "items": {
+ "$ref": "#/definitions/models.Task"
+ }
+ }
+ },
+ "500": {
+ "description": "Internal Server Error",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "post": {
+ "description": "Creates a task with the given JSON body",
+ "consumes": [
+ "application/json"
+ ],
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Create a new task",
+ "parameters": [
+ {
+ "description": "Task to create",
+ "name": "task",
+ "in": "body",
+ "required": true,
+ "schema": {
+ "$ref": "#/definitions/models.Task"
+ }
+ }
+ ],
+ "responses": {
+ "201": {
+ "description": "Created",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/task/{id}": {
+ "get": {
+ "description": "Returns a task given its ID",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Get task by ID",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "$ref": "#/definitions/models.Task"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "put": {
+ "description": "Marks a task as completed",
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Update task status",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "delete": {
+ "description": "Deletes a task by ID",
+ "tags": [
+ "tasks"
+ ],
+ "summary": "Delete task",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "Task ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/user": {
+ "post": {
+ "description": "Creates a user with the given JSON body",
+ "consumes": [
+ "application/json"
+ ],
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "users"
+ ],
+ "summary": "Create a new user",
+ "parameters": [
+ {
+ "description": "User to create",
+ "name": "user",
+ "in": "body",
+ "required": true,
+ "schema": {
+ "$ref": "#/definitions/models.User"
+ }
+ }
+ ],
+ "responses": {
+ "201": {
+ "description": "Created",
+ "schema": {
+ "type": "string"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ },
+ "/user/{id}": {
+ "get": {
+ "description": "Returns a user given their ID",
+ "produces": [
+ "application/json"
+ ],
+ "tags": [
+ "users"
+ ],
+ "summary": "Get user by ID",
+ "parameters": [
+ {
+ "type": "integer",
+ "description": "User ID",
+ "name": "id",
+ "in": "path",
+ "required": true
+ }
+ ],
+ "responses": {
+ "200": {
+ "description": "OK",
+ "schema": {
+ "$ref": "#/definitions/models.User"
+ }
+ },
+ "400": {
+ "description": "Bad Request",
+ "schema": {
+ "type": "string"
+ }
+ }
+ }
+ }
+ }
+ },
+ "definitions": {
+ "models.Task": {
+ "type": "object",
+ "properties": {
+ "completed": {
+ "type": "boolean"
+ },
+ "id": {
+ "type": "integer"
+ },
+ "task": {
+ "type": "string"
+ },
+ "user_id": {
+ "type": "integer"
+ }
+ }
+ },
+ "models.User": {
+ "type": "object",
+ "properties": {
+ "id": {
+ "type": "integer"
+ },
+ "name": {
+ "type": "string"
+ }
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/day-16_gofr/3layerarch/docs/swagger.yaml b/day-16_gofr/3layerarch/docs/swagger.yaml
new file mode 100644
index 0000000..2b63cdd
--- /dev/null
+++ b/day-16_gofr/3layerarch/docs/swagger.yaml
@@ -0,0 +1,184 @@
+basePath: /
+definitions:
+ models.Task:
+ properties:
+ completed:
+ type: boolean
+ id:
+ type: integer
+ task:
+ type: string
+ user_id:
+ type: integer
+ type: object
+ models.User:
+ properties:
+ id:
+ type: integer
+ name:
+ type: string
+ type: object
+host: localhost:8080
+info:
+ contact: {}
+ description: This is a sample server for managing tasks and users.
+ title: Task Management API
+ version: "1.0"
+paths:
+ /task:
+ get:
+ description: Returns a list of all tasks
+ produces:
+ - application/json
+ responses:
+ "200":
+ description: OK
+ schema:
+ items:
+ $ref: '#/definitions/models.Task'
+ type: array
+ "500":
+ description: Internal Server Error
+ schema:
+ type: string
+ summary: List all tasks
+ tags:
+ - tasks
+ post:
+ consumes:
+ - application/json
+ description: Creates a task with the given JSON body
+ parameters:
+ - description: Task to create
+ in: body
+ name: task
+ required: true
+ schema:
+ $ref: '#/definitions/models.Task'
+ produces:
+ - application/json
+ responses:
+ "201":
+ description: Created
+ schema:
+ type: string
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Create a new task
+ tags:
+ - tasks
+ /task/{id}:
+ delete:
+ description: Deletes a task by ID
+ parameters:
+ - description: Task ID
+ in: path
+ name: id
+ required: true
+ type: integer
+ responses:
+ "200":
+ description: OK
+ schema:
+ type: string
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Delete task
+ tags:
+ - tasks
+ get:
+ description: Returns a task given its ID
+ parameters:
+ - description: Task ID
+ in: path
+ name: id
+ required: true
+ type: integer
+ produces:
+ - application/json
+ responses:
+ "200":
+ description: OK
+ schema:
+ $ref: '#/definitions/models.Task'
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Get task by ID
+ tags:
+ - tasks
+ put:
+ description: Marks a task as completed
+ parameters:
+ - description: Task ID
+ in: path
+ name: id
+ required: true
+ type: integer
+ responses:
+ "200":
+ description: OK
+ schema:
+ type: string
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Update task status
+ tags:
+ - tasks
+ /user:
+ post:
+ consumes:
+ - application/json
+ description: Creates a user with the given JSON body
+ parameters:
+ - description: User to create
+ in: body
+ name: user
+ required: true
+ schema:
+ $ref: '#/definitions/models.User'
+ produces:
+ - application/json
+ responses:
+ "201":
+ description: Created
+ schema:
+ type: string
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Create a new user
+ tags:
+ - users
+ /user/{id}:
+ get:
+ description: Returns a user given their ID
+ parameters:
+ - description: User ID
+ in: path
+ name: id
+ required: true
+ type: integer
+ produces:
+ - application/json
+ responses:
+ "200":
+ description: OK
+ schema:
+ $ref: '#/definitions/models.User'
+ "400":
+ description: Bad Request
+ schema:
+ type: string
+ summary: Get user by ID
+ tags:
+ - users
+swagger: "2.0"
diff --git a/day-16_gofr/3layerarch/go.mod b/day-16_gofr/3layerarch/go.mod
new file mode 100644
index 0000000..158633a
--- /dev/null
+++ b/day-16_gofr/3layerarch/go.mod
@@ -0,0 +1,112 @@
+module 3layerarch
+
+go 1.24
+
+require (
+ github.com/DATA-DOG/go-sqlmock v1.5.2
+ github.com/go-sql-driver/mysql v1.9.3
+ github.com/swaggo/http-swagger v1.3.4
+ github.com/swaggo/swag v1.16.4
+ go.uber.org/mock v0.5.2
+ gofr.dev v1.42.1
+)
+
+require (
+ cloud.google.com/go v0.120.0 // indirect
+ cloud.google.com/go/auth v0.16.2 // indirect
+ cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
+ cloud.google.com/go/compute/metadata v0.7.0 // indirect
+ cloud.google.com/go/iam v1.5.2 // indirect
+ cloud.google.com/go/pubsub v1.49.0 // indirect
+ filippo.io/edwards25519 v1.1.0 // indirect
+ github.com/KyleBanks/depth v1.2.1 // indirect
+ github.com/XSAM/otelsql v0.39.0 // indirect
+ github.com/beorn7/perks v1.0.1 // indirect
+ github.com/cenkalti/backoff/v5 v5.0.2 // indirect
+ github.com/cespare/xxhash/v2 v2.3.0 // indirect
+ github.com/davecgh/go-spew v1.1.1 // indirect
+ github.com/dgraph-io/dgo/v210 v210.0.0-20230328113526-b66f8ae53a2d // indirect
+ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+ github.com/dustin/go-humanize v1.0.1 // indirect
+ github.com/eclipse/paho.mqtt.golang v1.5.0 // indirect
+ github.com/felixge/httpsnoop v1.0.4 // indirect
+ github.com/go-logr/logr v1.4.2 // indirect
+ github.com/go-logr/stdr v1.2.2 // indirect
+ github.com/go-openapi/jsonpointer v0.19.5 // indirect
+ github.com/go-openapi/jsonreference v0.20.0 // indirect
+ github.com/go-openapi/spec v0.20.6 // indirect
+ github.com/go-openapi/swag v0.19.15 // indirect
+ github.com/gogo/protobuf v1.3.2 // indirect
+ github.com/golang-jwt/jwt/v5 v5.2.2 // indirect
+ github.com/google/s2a-go v0.1.9 // indirect
+ github.com/google/uuid v1.6.0 // indirect
+ github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
+ github.com/googleapis/gax-go/v2 v2.14.2 // indirect
+ github.com/gorilla/mux v1.8.1 // indirect
+ github.com/gorilla/websocket v1.5.3 // indirect
+ github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 // indirect
+ github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.3 // indirect
+ github.com/joho/godotenv v1.5.1 // indirect
+ github.com/josharian/intern v1.0.0 // indirect
+ github.com/klauspost/compress v1.18.0 // indirect
+ github.com/lib/pq v1.10.9 // indirect
+ github.com/mailru/easyjson v0.7.6 // indirect
+ github.com/mattn/go-isatty v0.0.20 // indirect
+ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+ github.com/ncruces/go-strftime v0.1.9 // indirect
+ github.com/openzipkin/zipkin-go v0.4.3 // indirect
+ github.com/pierrec/lz4/v4 v4.1.22 // indirect
+ github.com/pkg/errors v0.9.1 // indirect
+ github.com/pmezard/go-difflib v1.0.0 // indirect
+ github.com/prometheus/client_golang v1.22.0 // indirect
+ github.com/prometheus/client_model v0.6.2 // indirect
+ github.com/prometheus/common v0.64.0 // indirect
+ github.com/prometheus/procfs v0.16.1 // indirect
+ github.com/redis/go-redis/extra/rediscmd/v9 v9.10.0 // indirect
+ github.com/redis/go-redis/extra/redisotel/v9 v9.10.0 // indirect
+ github.com/redis/go-redis/v9 v9.10.0 // indirect
+ github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+ github.com/segmentio/kafka-go v0.4.48 // indirect
+ github.com/stretchr/testify v1.10.0 // indirect
+ github.com/swaggo/files v1.0.1 // indirect
+ github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+ github.com/xdg-go/scram v1.1.2 // indirect
+ github.com/xdg-go/stringprep v1.0.4 // indirect
+ go.opencensus.io v0.24.0 // indirect
+ go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+ go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.61.0 // indirect
+ go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.61.0 // indirect
+ go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 // indirect
+ go.opentelemetry.io/otel v1.36.0 // indirect
+ go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.36.0 // indirect
+ go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.36.0 // indirect
+ go.opentelemetry.io/otel/exporters/prometheus v0.58.0 // indirect
+ go.opentelemetry.io/otel/exporters/zipkin v1.36.0 // indirect
+ go.opentelemetry.io/otel/metric v1.36.0 // indirect
+ go.opentelemetry.io/otel/sdk v1.36.0 // indirect
+ go.opentelemetry.io/otel/sdk/metric v1.36.0 // indirect
+ go.opentelemetry.io/otel/trace v1.36.0 // indirect
+ go.opentelemetry.io/proto/otlp v1.6.0 // indirect
+ golang.org/x/crypto v0.39.0 // indirect
+ golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
+ golang.org/x/net v0.41.0 // indirect
+ golang.org/x/oauth2 v0.30.0 // indirect
+ golang.org/x/sync v0.15.0 // indirect
+ golang.org/x/sys v0.33.0 // indirect
+ golang.org/x/term v0.32.0 // indirect
+ golang.org/x/text v0.26.0 // indirect
+ golang.org/x/time v0.12.0 // indirect
+ golang.org/x/tools v0.33.0 // indirect
+ google.golang.org/api v0.238.0 // indirect
+ google.golang.org/genproto v0.0.0-20250505200425-f936aa4a68b2 // indirect
+ google.golang.org/genproto/googleapis/api v0.0.0-20250519155744-55703ea1f237 // indirect
+ google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 // indirect
+ google.golang.org/grpc v1.73.0 // indirect
+ google.golang.org/protobuf v1.36.6 // indirect
+ gopkg.in/yaml.v2 v2.4.0 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+ modernc.org/libc v1.65.10 // indirect
+ modernc.org/mathutil v1.7.1 // indirect
+ modernc.org/memory v1.11.0 // indirect
+ modernc.org/sqlite v1.38.0 // indirect
+)
diff --git a/day-16_gofr/3layerarch/go.sum b/day-16_gofr/3layerarch/go.sum
new file mode 100644
index 0000000..d27b7e7
--- /dev/null
+++ b/day-16_gofr/3layerarch/go.sum
@@ -0,0 +1,442 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.120.0 h1:wc6bgG9DHyKqF5/vQvX1CiZrtHnxJjBlKUyF9nP6meA=
+cloud.google.com/go v0.120.0/go.mod h1:/beW32s8/pGRuj4IILWQNd4uuebeT4dkOhKmkfit64Q=
+cloud.google.com/go/auth v0.16.2 h1:QvBAGFPLrDeoiNjyfVunhQ10HKNYuOwZ5noee0M5df4=
+cloud.google.com/go/auth v0.16.2/go.mod h1:sRBas2Y1fB1vZTdurouM0AzuYQBMZinrUYL8EufhtEA=
+cloud.google.com/go/auth/oauth2adapt v0.2.8 h1:keo8NaayQZ6wimpNSmW5OPc283g65QNIiLpZnkHRbnc=
+cloud.google.com/go/auth/oauth2adapt v0.2.8/go.mod h1:XQ9y31RkqZCcwJWNSx2Xvric3RrU88hAYYbjDWYDL+c=
+cloud.google.com/go/compute/metadata v0.7.0 h1:PBWF+iiAerVNe8UCHxdOt6eHLVc3ydFeOCw78U8ytSU=
+cloud.google.com/go/compute/metadata v0.7.0/go.mod h1:j5MvL9PprKL39t166CoB1uVHfQMs4tFQZZcKwksXUjo=
+cloud.google.com/go/iam v1.5.2 h1:qgFRAGEmd8z6dJ/qyEchAuL9jpswyODjA2lS+w234g8=
+cloud.google.com/go/iam v1.5.2/go.mod h1:SE1vg0N81zQqLzQEwxL2WI6yhetBdbNQuTvIKCSkUHE=
+cloud.google.com/go/kms v1.21.2 h1:c/PRUSMNQ8zXrc1sdAUnsenWWaNXN+PzTXfXOcSFdoE=
+cloud.google.com/go/kms v1.21.2/go.mod h1:8wkMtHV/9Z8mLXEXr1GK7xPSBdi6knuLXIhqjuWcI6w=
+cloud.google.com/go/longrunning v0.6.7 h1:IGtfDWHhQCgCjwQjV9iiLnUta9LBCo8R9QmAFsS/PrE=
+cloud.google.com/go/longrunning v0.6.7/go.mod h1:EAFV3IZAKmM56TyiE6VAP3VoTzhZzySwI/YI1s/nRsY=
+cloud.google.com/go/pubsub v1.49.0 h1:5054IkbslnrMCgA2MAEPcsN3Ky+AyMpEZcii/DoySPo=
+cloud.google.com/go/pubsub v1.49.0/go.mod h1:K1FswTWP+C1tI/nfi3HQecoVeFvL4HUOB1tdaNXKhUY=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
+github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
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diff --git a/day-16_gofr/3layerarch/handler/task/handler.go b/day-16_gofr/3layerarch/handler/task/handler.go
new file mode 100644
index 0000000..0c8d82b
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/task/handler.go
@@ -0,0 +1,128 @@
+package taskhandler
+
+import (
+ "strconv"
+
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type Handler struct {
+ Service TaskService
+}
+
+func New(service TaskService) *Handler {
+ return &Handler{Service: service}
+}
+
+// CreateTask godoc
+// @Summary Create a new task
+// @Description Creates a task with the given JSON body
+// @Tags tasks
+// @Accept json
+// @Produce json
+// @Param task body models.Task true "Task to create"
+// @Success 201 {string} string "Created"
+// @Failure 400 {string} string "Bad Request"
+// @Router /task [post]
+func (h *Handler) CreateTask(ctx *gofr.Context) (interface{}, error) {
+ var t models.Task
+
+ err := ctx.Bind(&t)
+ if err != nil {
+ return nil, err
+ }
+
+ err = h.Service.CreateTask(ctx, t)
+
+ if err != nil {
+ return nil, err
+ }
+
+ return "Task created", nil
+}
+
+// GetTask godoc
+// @Summary Get task by ID
+// @Description Returns a task given its ID
+// @Tags tasks
+// @Produce json
+// @Param id path int true "Task ID"
+// @Success 200 {object} models.Task
+// @Failure 400 {string} string "Bad Request"
+// @Router /task/{id} [get]
+func (h *Handler) GetTask(ctx *gofr.Context) (interface{}, error) {
+ idStr := ctx.PathParam("id")
+ id, err := strconv.Atoi(idStr)
+ if err != nil {
+ return nil, err
+ }
+
+ t, err := h.Service.GetTask(ctx, id)
+ if err != nil {
+ return nil, err
+ }
+
+ return t, nil
+}
+
+// ViewTasks godoc
+// @Summary List all tasks
+// @Description Returns a list of all tasks
+// @Tags tasks
+// @Produce json
+// @Success 200 {array} models.Task
+// @Failure 500 {string} string "Internal Server Error"
+// @Router /task [get]
+func (h *Handler) ViewTasks(ctx *gofr.Context) (interface{}, error) {
+ tasks, err := h.Service.ViewTasks(ctx)
+ if err != nil {
+ return nil, err
+ }
+
+ return tasks, nil
+}
+
+// UpdateTask godoc
+// @Summary Update task status
+// @Description Marks a task as completed
+// @Tags tasks
+// @Param id path int true "Task ID"
+// @Success 200 {string} string "OK"
+// @Failure 400 {string} string "Bad Request"
+// @Router /task/{id} [put]
+func (h *Handler) UpdateTask(ctx *gofr.Context) (interface{}, error) {
+ idStr := ctx.PathParam("id")
+ id, err := strconv.Atoi(idStr)
+ if err != nil {
+ return nil, err
+ }
+
+ if err := h.Service.UpdateTask(ctx, id); err != nil {
+ return nil, err
+ }
+
+ return "Task updated", nil
+}
+
+// DeleteTask godoc
+// @Summary Delete task
+// @Description Deletes a task by ID
+// @Tags tasks
+// @Param id path int true "Task ID"
+// @Success 200 {string} string "OK"
+// @Failure 400 {string} string "Bad Request"
+// @Router /task/{id} [delete]
+func (h *Handler) DeleteTask(ctx *gofr.Context) (interface{}, error) {
+ idStr := ctx.PathParam("id")
+ id, err := strconv.Atoi(idStr)
+ if err != nil {
+ return nil, err
+ }
+
+ if err := h.Service.DeleteTask(ctx, id); err != nil {
+ return nil, err
+ }
+
+ return "Task deleted", nil
+}
diff --git a/day-16_gofr/3layerarch/handler/task/handler_test.go b/day-16_gofr/3layerarch/handler/task/handler_test.go
new file mode 100644
index 0000000..5377eaa
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/task/handler_test.go
@@ -0,0 +1,287 @@
+package taskhandler
+
+import (
+ "bytes"
+ "errors"
+ "net/http"
+ "net/http/httptest"
+ "strconv"
+ "strings"
+ "testing"
+
+ "3layerarch/models"
+ "go.uber.org/mock/gomock"
+)
+
+func isNumber(s string) bool {
+ _, err := strconv.Atoi(s)
+ return err == nil
+}
+
+func TestGetTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockService := NewMockTaskService(ctrl)
+ handler := New(mockService)
+
+ // valid id
+ {
+ req := httptest.NewRequest(http.MethodGet, "/tasks/1", nil)
+ req.SetPathValue("id", "1")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().GetTask(1).Return(models.Task{ID: 1, Task: "test"}, nil)
+
+ handler.GetTask(w, req)
+ res := w.Result()
+ if res.StatusCode != http.StatusOK {
+ t.Errorf("expected 200, got %d", res.StatusCode)
+ }
+ if !strings.Contains(w.Body.String(), `"id":1`) {
+ t.Errorf("expected body to contain id:1, got %s", w.Body.String())
+ }
+ }
+
+ // missing id
+ {
+ req := httptest.NewRequest(http.MethodGet, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.GetTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // invalid id
+ {
+ req := httptest.NewRequest(http.MethodGet, "/tasks/abc", nil)
+ req.SetPathValue("id", "abc")
+ w := httptest.NewRecorder()
+
+ handler.GetTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // service error
+ {
+ req := httptest.NewRequest(http.MethodGet, "/tasks/2", nil)
+ req.SetPathValue("id", "2")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().GetTask(2).Return(models.Task{}, errors.New("task not found"))
+
+ handler.GetTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+}
+
+func TestCreateTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockService := NewMockTaskService(ctrl)
+ handler := New(mockService)
+
+ // valid
+ {
+ body := `{"task":"new task","completed":false,"user_id":1}`
+ req := httptest.NewRequest(http.MethodPost, "/tasks", bytes.NewBufferString(body))
+ w := httptest.NewRecorder()
+
+ task := models.Task{Task: "new task", Completed: false, UserID: 1}
+ mockService.EXPECT().CreateTask(task).Return(nil)
+
+ handler.CreateTask(w, req)
+ if w.Code != http.StatusCreated {
+ t.Errorf("expected 201, got %d", w.Code)
+ }
+ }
+
+ // empty body
+ {
+ req := httptest.NewRequest(http.MethodPost, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.CreateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // invalid json
+ {
+ req := httptest.NewRequest(http.MethodPost, "/tasks", bytes.NewBufferString("{"))
+ w := httptest.NewRecorder()
+
+ handler.CreateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // service error
+ {
+ body := `{"task":"fail","completed":false,"user_id":1}`
+ req := httptest.NewRequest(http.MethodPost, "/tasks", bytes.NewBufferString(body))
+ w := httptest.NewRecorder()
+
+ task := models.Task{Task: "fail", Completed: false, UserID: 1}
+ mockService.EXPECT().CreateTask(task).Return(errors.New("fail"))
+
+ handler.CreateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+}
+
+func TestViewTasks(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockService := NewMockTaskService(ctrl)
+ handler := New(mockService)
+
+ // success
+ {
+ mockService.EXPECT().ViewTasks().Return([]models.Task{{ID: 1, Task: "t"}}, nil)
+ req := httptest.NewRequest(http.MethodGet, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.ViewTasks(w, req)
+
+ if w.Code != http.StatusOK {
+ t.Errorf("expected 200, got %d", w.Code)
+ }
+ if !strings.Contains(w.Body.String(), `"id":1`) {
+ t.Errorf("expected body to contain task id 1")
+ }
+ }
+
+ // failure
+ {
+ mockService.EXPECT().ViewTasks().Return(nil, errors.New("db error"))
+ req := httptest.NewRequest(http.MethodGet, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.ViewTasks(w, req)
+
+ if w.Code != http.StatusInternalServerError {
+ t.Errorf("expected 500, got %d", w.Code)
+ }
+ }
+}
+
+func TestUpdateTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockService := NewMockTaskService(ctrl)
+ handler := New(mockService)
+
+ // valid
+ {
+ req := httptest.NewRequest(http.MethodPut, "/tasks/1", nil)
+ req.SetPathValue("id", "1")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().UpdateTask(1).Return(nil)
+
+ handler.UpdateTask(w, req)
+ if w.Code != http.StatusOK {
+ t.Errorf("expected 200, got %d", w.Code)
+ }
+ }
+
+ // missing id
+ {
+ req := httptest.NewRequest(http.MethodPut, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.UpdateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // invalid id
+ {
+ req := httptest.NewRequest(http.MethodPut, "/tasks/abc", nil)
+ req.SetPathValue("id", "abc")
+ w := httptest.NewRecorder()
+
+ handler.UpdateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // service error
+ {
+ req := httptest.NewRequest(http.MethodPut, "/tasks/2", nil)
+ req.SetPathValue("id", "2")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().UpdateTask(2).Return(errors.New("not found"))
+
+ handler.UpdateTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+}
+
+func TestDeleteTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockService := NewMockTaskService(ctrl)
+ handler := New(mockService)
+
+ // valid
+ {
+ req := httptest.NewRequest(http.MethodDelete, "/tasks/1", nil)
+ req.SetPathValue("id", "1")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().DeleteTask(1).Return(nil)
+
+ handler.DeleteTask(w, req)
+ if w.Code != http.StatusOK {
+ t.Errorf("expected 200, got %d", w.Code)
+ }
+ }
+
+ // missing id
+ {
+ req := httptest.NewRequest(http.MethodDelete, "/tasks", nil)
+ w := httptest.NewRecorder()
+
+ handler.DeleteTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // invalid id
+ {
+ req := httptest.NewRequest(http.MethodDelete, "/tasks/abc", nil)
+ req.SetPathValue("id", "abc")
+ w := httptest.NewRecorder()
+
+ handler.DeleteTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+
+ // service error
+ {
+ req := httptest.NewRequest(http.MethodDelete, "/tasks/2", nil)
+ req.SetPathValue("id", "2")
+ w := httptest.NewRecorder()
+
+ mockService.EXPECT().DeleteTask(2).Return(errors.New("not found"))
+
+ handler.DeleteTask(w, req)
+ if w.Code != http.StatusBadRequest {
+ t.Errorf("expected 400, got %d", w.Code)
+ }
+ }
+}
diff --git a/day-16_gofr/3layerarch/handler/task/interface.go b/day-16_gofr/3layerarch/handler/task/interface.go
new file mode 100644
index 0000000..80ae055
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/task/interface.go
@@ -0,0 +1,14 @@
+package taskhandler
+
+import (
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type TaskService interface {
+ CreateTask(ctx *gofr.Context, t models.Task) error
+ GetTask(ctx *gofr.Context, id int) (models.Task, error)
+ ViewTasks(ctx *gofr.Context) ([]models.Task, error)
+ UpdateTask(ctx *gofr.Context, id int) error
+ DeleteTask(ctx *gofr.Context, id int) error
+}
diff --git a/day-16_gofr/3layerarch/handler/task/mock_interface.go b/day-16_gofr/3layerarch/handler/task/mock_interface.go
new file mode 100644
index 0000000..a4051a3
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/task/mock_interface.go
@@ -0,0 +1,104 @@
+package taskhandler
+
+import (
+ models "3layerarch/models"
+ reflect "reflect"
+
+ gomock "go.uber.org/mock/gomock"
+)
+
+// MockTaskService is a mock of TaskService interface.
+type MockTaskService struct {
+ ctrl *gomock.Controller
+ recorder *MockTaskServiceMockRecorder
+ isgomock struct{}
+}
+
+// MockTaskServiceMockRecorder is the mock recorder for MockTaskService.
+type MockTaskServiceMockRecorder struct {
+ mock *MockTaskService
+}
+
+// NewMockTaskService creates a new mock instance.
+func NewMockTaskService(ctrl *gomock.Controller) *MockTaskService {
+ mock := &MockTaskService{ctrl: ctrl}
+ mock.recorder = &MockTaskServiceMockRecorder{mock}
+ return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTaskService) EXPECT() *MockTaskServiceMockRecorder {
+ return m.recorder
+}
+
+// CreateTask mocks base method.
+func (m *MockTaskService) CreateTask(t models.Task) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "CreateTask", t)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// CreateTask indicates an expected call of CreateTask.
+func (mr *MockTaskServiceMockRecorder) CreateTask(t any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateTask", reflect.TypeOf((*MockTaskService)(nil).CreateTask), t)
+}
+
+// DeleteTask mocks base method.
+func (m *MockTaskService) DeleteTask(id int) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "DeleteTask", id)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// DeleteTask indicates an expected call of DeleteTask.
+func (mr *MockTaskServiceMockRecorder) DeleteTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockTaskService)(nil).DeleteTask), id)
+}
+
+// GetTask mocks base method.
+func (m *MockTaskService) GetTask(id int) (models.Task, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "GetTask", id)
+ ret0, _ := ret[0].(models.Task)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// GetTask indicates an expected call of GetTask.
+func (mr *MockTaskServiceMockRecorder) GetTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetTask", reflect.TypeOf((*MockTaskService)(nil).GetTask), id)
+}
+
+// UpdateTask mocks base method.
+func (m *MockTaskService) UpdateTask(id int) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "UpdateTask", id)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// UpdateTask indicates an expected call of UpdateTask.
+func (mr *MockTaskServiceMockRecorder) UpdateTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateTask", reflect.TypeOf((*MockTaskService)(nil).UpdateTask), id)
+}
+
+// ViewTasks mocks base method.
+func (m *MockTaskService) ViewTasks() ([]models.Task, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "ViewTasks")
+ ret0, _ := ret[0].([]models.Task)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// ViewTasks indicates an expected call of ViewTasks.
+func (mr *MockTaskServiceMockRecorder) ViewTasks() *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ViewTasks", reflect.TypeOf((*MockTaskService)(nil).ViewTasks))
+}
diff --git a/day-16_gofr/3layerarch/handler/user/handler.go b/day-16_gofr/3layerarch/handler/user/handler.go
new file mode 100644
index 0000000..8e82237
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/user/handler.go
@@ -0,0 +1,63 @@
+package userhandler
+
+import (
+ "strconv"
+
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type Handler struct {
+ Service UserService
+}
+
+func New(service UserService) *Handler {
+ return &Handler{Service: service}
+}
+
+// CreateUser godoc
+// @Summary Create a new user
+// @Description Creates a user with the given JSON body
+// @Tags users
+// @Accept json
+// @Produce json
+// @Param user body models.User true "User to create"
+// @Success 201 {string} string "Created"
+// @Failure 400 {string} string "Bad Request"
+// @Router /user [post]
+func (h *Handler) CreateUser(ctx *gofr.Context) (interface{}, error) {
+ var u models.User
+ if err := ctx.Bind(&u); err != nil {
+ return nil, err
+ }
+
+ if err := h.Service.CreateUser(ctx, u); err != nil {
+ return nil, err
+ }
+
+ return "error", nil
+}
+
+// GetUser godoc
+// @Summary Get user by ID
+// @Description Returns a user given their ID
+// @Tags users
+// @Produce json
+// @Param id path int true "User ID"
+// @Success 200 {object} models.User
+// @Failure 400 {string} string "Bad Request"
+// @Router /user/{id} [get]
+func (h *Handler) GetUser(ctx *gofr.Context) (interface{}, error) {
+ idStr := ctx.PathParam("id")
+ id, err := strconv.Atoi(idStr)
+ if err != nil {
+ return nil, err
+ }
+
+ u, err := h.Service.GetUser(ctx, id)
+ if err != nil {
+ return nil, err
+ }
+
+ return u, nil
+}
diff --git a/day-16_gofr/3layerarch/handler/user/handler_test.go b/day-16_gofr/3layerarch/handler/user/handler_test.go
new file mode 100644
index 0000000..bbb3055
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/user/handler_test.go
@@ -0,0 +1,153 @@
+package userhandler
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "net/http"
+ "net/http/httptest"
+ "strconv"
+ "strings"
+ "testing"
+
+ "3layerarch/models"
+ "go.uber.org/mock/gomock"
+)
+
+func isNumber(s string) bool {
+ _, err := strconv.Atoi(s)
+ return err == nil
+}
+
+func TestCreateUser(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+
+ mockService := NewMockUserService(ctrl)
+ handler := New(mockService)
+
+ testCases := []struct {
+ desc string
+ body string
+ mockErr error
+ wantStatus int
+ wantBody string
+ }{
+ {
+ desc: "valid user",
+ body: `{"id":1,"name":"John"}`,
+ mockErr: nil,
+ wantStatus: http.StatusCreated,
+ },
+ {
+ desc: "empty body",
+ body: ``,
+ wantStatus: http.StatusBadRequest,
+ wantBody: "Empty or unreadable",
+ },
+ {
+ desc: "invalid JSON",
+ body: `{`,
+ wantStatus: http.StatusBadRequest,
+ wantBody: "Invalid JSON",
+ },
+ {
+ desc: "service error",
+ body: `{"id":2,"name":"Error"}`,
+ mockErr: errors.New("insert failed"),
+ wantStatus: http.StatusBadRequest,
+ wantBody: "insert failed",
+ },
+ }
+
+ for _, tc := range testCases {
+ t.Run(tc.desc, func(t *testing.T) {
+ req := httptest.NewRequest(http.MethodPost, "/users", bytes.NewBufferString(tc.body))
+ w := httptest.NewRecorder()
+
+ if tc.mockErr != nil || (tc.body != "" && tc.body != `{`) {
+ var u models.User
+ _ = json.Unmarshal([]byte(tc.body), &u)
+ mockService.EXPECT().CreateUser(u).Return(tc.mockErr).AnyTimes()
+ }
+
+ handler.CreateUser(w, req)
+
+ if w.Code != tc.wantStatus {
+ t.Errorf("expected status %d, got %d", tc.wantStatus, w.Code)
+ }
+ if tc.wantBody != "" && !strings.Contains(w.Body.String(), tc.wantBody) {
+ t.Errorf("expected body to contain %q, got %q", tc.wantBody, w.Body.String())
+ }
+ })
+ }
+}
+
+func TestGetUser(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ defer ctrl.Finish()
+
+ mockService := NewMockUserService(ctrl)
+ handler := New(mockService)
+
+ testCases := []struct {
+ desc string
+ id string
+ mockUser models.User
+ mockErr error
+ wantStatus int
+ wantBody string
+ }{
+ {
+ desc: "valid ID",
+ id: "1",
+ mockUser: models.User{ID: 1, Name: "John"},
+ mockErr: nil,
+ wantStatus: http.StatusOK,
+ wantBody: `"id":1`,
+ },
+ {
+ desc: "missing ID",
+ id: "",
+ wantStatus: http.StatusBadRequest,
+ wantBody: "Missing ID",
+ },
+ {
+ desc: "invalid ID format",
+ id: "abc",
+ wantStatus: http.StatusBadRequest,
+ wantBody: "Invalid ID format",
+ },
+ {
+ desc: "service error",
+ id: "2",
+ mockErr: errors.New("not found"),
+ wantStatus: http.StatusBadRequest,
+ wantBody: "not found",
+ },
+ }
+
+ for _, tc := range testCases {
+ t.Run(tc.desc, func(t *testing.T) {
+ req := httptest.NewRequest(http.MethodGet, "/users/"+tc.id, nil)
+ if tc.id != "" {
+ req.SetPathValue("id", tc.id)
+ }
+ w := httptest.NewRecorder()
+
+ if isNumber(tc.id) {
+ id, _ := strconv.Atoi(tc.id)
+ mockService.EXPECT().GetUser(id).Return(tc.mockUser, tc.mockErr).AnyTimes()
+ }
+
+ handler.GetUser(w, req)
+
+ if w.Code != tc.wantStatus {
+ t.Errorf("expected status %d, got %d", tc.wantStatus, w.Code)
+ }
+ if tc.wantBody != "" && !strings.Contains(w.Body.String(), tc.wantBody) {
+ t.Errorf("expected body to contain %q, got %q", tc.wantBody, w.Body.String())
+ }
+ })
+ }
+}
diff --git a/day-16_gofr/3layerarch/handler/user/interface.go b/day-16_gofr/3layerarch/handler/user/interface.go
new file mode 100644
index 0000000..9b92a3b
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/user/interface.go
@@ -0,0 +1,11 @@
+package userhandler
+
+import (
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type UserService interface {
+ CreateUser(ctx *gofr.Context, u models.User) error
+ GetUser(ctx *gofr.Context, id int) (models.User, error)
+}
diff --git a/day-16_gofr/3layerarch/handler/user/mock_interface.go b/day-16_gofr/3layerarch/handler/user/mock_interface.go
new file mode 100644
index 0000000..466821a
--- /dev/null
+++ b/day-16_gofr/3layerarch/handler/user/mock_interface.go
@@ -0,0 +1,61 @@
+package userhandler
+
+import (
+ models "3layerarch/models"
+ reflect "reflect"
+
+ gomock "go.uber.org/mock/gomock"
+)
+
+// MockUserService is a mock of UserService interface.
+type MockUserService struct {
+ ctrl *gomock.Controller
+ recorder *MockUserServiceMockRecorder
+ isgomock struct{}
+}
+
+// MockUserServiceMockRecorder is the mock recorder for MockUserService.
+type MockUserServiceMockRecorder struct {
+ mock *MockUserService
+}
+
+// NewMockUserService creates a new mock instance.
+func NewMockUserService(ctrl *gomock.Controller) *MockUserService {
+ mock := &MockUserService{ctrl: ctrl}
+ mock.recorder = &MockUserServiceMockRecorder{mock}
+ return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockUserService) EXPECT() *MockUserServiceMockRecorder {
+ return m.recorder
+}
+
+// CreateUser mocks base method.
+func (m *MockUserService) CreateUser(u models.User) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "CreateUser", u)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// CreateUser indicates an expected call of CreateUser.
+func (mr *MockUserServiceMockRecorder) CreateUser(u any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateUser", reflect.TypeOf((*MockUserService)(nil).CreateUser), u)
+}
+
+// GetUser mocks base method.
+func (m *MockUserService) GetUser(id int) (models.User, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "GetUser", id)
+ ret0, _ := ret[0].(models.User)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// GetUser indicates an expected call of GetUser.
+func (mr *MockUserServiceMockRecorder) GetUser(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUser", reflect.TypeOf((*MockUserService)(nil).GetUser), id)
+}
diff --git a/day-16_gofr/3layerarch/main.go b/day-16_gofr/3layerarch/main.go
new file mode 100644
index 0000000..b3c94cd
--- /dev/null
+++ b/day-16_gofr/3layerarch/main.go
@@ -0,0 +1,67 @@
+// @title Task Management API
+// @version 1.0
+// @description This is a simple API server for managing tasks and users.
+// @termsOfService http://swagger.io/terms/
+
+// @contact.name Puneeth Gowda
+// @contact.email puneeth@example.com
+
+// @license.name Apache 2.0
+// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
+
+// @host localhost:8000
+// @BasePath /
+
+package main
+
+import (
+ "database/sql"
+ "log"
+
+ taskhandler "3layerarch/handler/task"
+ userhandler "3layerarch/handler/user"
+
+ taskservice "3layerarch/service/task"
+ userservice "3layerarch/service/user"
+
+ taskstore "3layerarch/store/task"
+ userstore "3layerarch/store/user"
+
+ _ "3layerarch/docs" // Swagger generated files
+
+ _ "github.com/go-sql-driver/mysql"
+ "gofr.dev/pkg/gofr"
+)
+
+func main() {
+ app := gofr.New()
+
+ // Initialize DB
+ db, err := sql.Open("mysql", "root:root123@tcp(localhost:3306)/test_db")
+ if err != nil {
+ log.Println("Failed to connect to DB:", err)
+ return
+ }
+
+ // Setup dependencies
+ userStore := userstore.New(db)
+ userService := userservice.New(userStore)
+ userHandler := userhandler.New(userService)
+
+ taskStore := taskstore.New(db)
+ taskService := taskservice.New(taskStore, userService)
+ taskHandler := taskhandler.New(taskService)
+
+ // Register task routes
+ app.POST("/task", taskHandler.CreateTask)
+ app.GET("/task", taskHandler.ViewTasks)
+ app.GET("/task/{id}", taskHandler.GetTask)
+ app.PUT("/task/{id}", taskHandler.UpdateTask)
+ app.DELETE("/task/{id}", taskHandler.DeleteTask)
+
+ // Register user routes
+ app.POST("/user", userHandler.CreateUser)
+ app.GET("/user/{id}", userHandler.GetUser)
+
+ app.Run()
+}
diff --git a/day-16_gofr/3layerarch/models/task.go b/day-16_gofr/3layerarch/models/task.go
new file mode 100644
index 0000000..e29c725
--- /dev/null
+++ b/day-16_gofr/3layerarch/models/task.go
@@ -0,0 +1,8 @@
+package models
+
+type Task struct {
+ ID int `json:"id"`
+ Task string `json:"task"`
+ Completed bool `json:"completed"`
+ UserID int `json:"user_id"`
+}
diff --git a/day-16_gofr/3layerarch/models/user.go b/day-16_gofr/3layerarch/models/user.go
new file mode 100644
index 0000000..7f6eacd
--- /dev/null
+++ b/day-16_gofr/3layerarch/models/user.go
@@ -0,0 +1,6 @@
+package models
+
+type User struct {
+ ID int `json:"id"`
+ Name string `json:"name"`
+}
diff --git a/day-16_gofr/3layerarch/service/task/interface.go b/day-16_gofr/3layerarch/service/task/interface.go
new file mode 100644
index 0000000..fc3176b
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/task/interface.go
@@ -0,0 +1,18 @@
+package taskservice
+
+import (
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type TaskStore interface {
+ CreateTask(ctx *gofr.Context, t models.Task) error
+ GetTask(ctx *gofr.Context, id int) (models.Task, error)
+ ViewTasks(ctx *gofr.Context) ([]models.Task, error)
+ UpdateTask(ctx *gofr.Context, id int) error
+ DeleteTask(ctx *gofr.Context, id int) error
+}
+
+type UserService interface {
+ GetUser(ctx *gofr.Context, id int) (models.User, error)
+}
diff --git a/day-16_gofr/3layerarch/service/task/mock_interface.go b/day-16_gofr/3layerarch/service/task/mock_interface.go
new file mode 100644
index 0000000..f3adf0d
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/task/mock_interface.go
@@ -0,0 +1,152 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: interface.go
+//
+// Generated by this command:
+//
+// mockgen -source=interface.go -destination=mock_interface.go -package=taskservice
+//
+
+// Package taskservice is a generated GoMock package.
+package taskservice
+
+import (
+ models "3layerarch/models"
+ reflect "reflect"
+
+ gomock "go.uber.org/mock/gomock"
+)
+
+// MockTaskStore is a mock of TaskStore interface.
+type MockTaskStore struct {
+ ctrl *gomock.Controller
+ recorder *MockTaskStoreMockRecorder
+ isgomock struct{}
+}
+
+// MockTaskStoreMockRecorder is the mock recorder for MockTaskStore.
+type MockTaskStoreMockRecorder struct {
+ mock *MockTaskStore
+}
+
+// NewMockTaskStore creates a new mock instance.
+func NewMockTaskStore(ctrl *gomock.Controller) *MockTaskStore {
+ mock := &MockTaskStore{ctrl: ctrl}
+ mock.recorder = &MockTaskStoreMockRecorder{mock}
+ return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTaskStore) EXPECT() *MockTaskStoreMockRecorder {
+ return m.recorder
+}
+
+// CreateTask mocks base method.
+func (m *MockTaskStore) CreateTask(t models.Task) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "CreateTask", t)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// CreateTask indicates an expected call of CreateTask.
+func (mr *MockTaskStoreMockRecorder) CreateTask(t any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateTask", reflect.TypeOf((*MockTaskStore)(nil).CreateTask), t)
+}
+
+// DeleteTask mocks base method.
+func (m *MockTaskStore) DeleteTask(id int) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "DeleteTask", id)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// DeleteTask indicates an expected call of DeleteTask.
+func (mr *MockTaskStoreMockRecorder) DeleteTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockTaskStore)(nil).DeleteTask), id)
+}
+
+// GetTask mocks base method.
+func (m *MockTaskStore) GetTask(id int) (models.Task, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "GetTask", id)
+ ret0, _ := ret[0].(models.Task)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// GetTask indicates an expected call of GetTask.
+func (mr *MockTaskStoreMockRecorder) GetTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetTask", reflect.TypeOf((*MockTaskStore)(nil).GetTask), id)
+}
+
+// UpdateTask mocks base method.
+func (m *MockTaskStore) UpdateTask(id int) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "UpdateTask", id)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// UpdateTask indicates an expected call of UpdateTask.
+func (mr *MockTaskStoreMockRecorder) UpdateTask(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateTask", reflect.TypeOf((*MockTaskStore)(nil).UpdateTask), id)
+}
+
+// ViewTasks mocks base method.
+func (m *MockTaskStore) ViewTasks() ([]models.Task, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "ViewTasks")
+ ret0, _ := ret[0].([]models.Task)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// ViewTasks indicates an expected call of ViewTasks.
+func (mr *MockTaskStoreMockRecorder) ViewTasks() *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ViewTasks", reflect.TypeOf((*MockTaskStore)(nil).ViewTasks))
+}
+
+// MockUserService is a mock of UserService interface.
+type MockUserService struct {
+ ctrl *gomock.Controller
+ recorder *MockUserServiceMockRecorder
+ isgomock struct{}
+}
+
+// MockUserServiceMockRecorder is the mock recorder for MockUserService.
+type MockUserServiceMockRecorder struct {
+ mock *MockUserService
+}
+
+// NewMockUserService creates a new mock instance.
+func NewMockUserService(ctrl *gomock.Controller) *MockUserService {
+ mock := &MockUserService{ctrl: ctrl}
+ mock.recorder = &MockUserServiceMockRecorder{mock}
+ return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockUserService) EXPECT() *MockUserServiceMockRecorder {
+ return m.recorder
+}
+
+// GetUser mocks base method.
+func (m *MockUserService) GetUser(id int) (models.User, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "GetUser", id)
+ ret0, _ := ret[0].(models.User)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// GetUser indicates an expected call of GetUser.
+func (mr *MockUserServiceMockRecorder) GetUser(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUser", reflect.TypeOf((*MockUserService)(nil).GetUser), id)
+}
diff --git a/day-16_gofr/3layerarch/service/task/service.go b/day-16_gofr/3layerarch/service/task/service.go
new file mode 100644
index 0000000..55a191b
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/task/service.go
@@ -0,0 +1,91 @@
+package taskservice
+
+import (
+ //"3layerarch/handler/userhandler"
+ "3layerarch/models"
+ "database/sql"
+ "errors"
+ "fmt"
+ "gofr.dev/pkg/gofr"
+)
+
+//type TaskStore interface {
+// CreateTask(t models.Task) error
+// GetTask(id int) (models.Task, error)
+// ViewTasks() ([]models.Task, error)
+// UpdateTask(id int) error
+// DeleteTask(id int) error
+//}
+
+//type UserService interface {
+// GetUser(id int) (models.User, error)
+//}
+
+type Service struct {
+ TaskStore TaskStore
+ UserService UserService
+}
+
+func New(ts TaskStore, us UserService) *Service {
+ return &Service{TaskStore: ts, UserService: us}
+}
+
+func (s *Service) CreateTask(ctx *gofr.Context, t models.Task) error {
+ fmt.Println("CreateTask received:", t)
+
+ if t.Task == "" {
+ return errors.New("task cannot be empty")
+ }
+ // Validate user existence before creating task
+ _, err := s.UserService.GetUser(ctx, t.UserID)
+ if err != nil {
+ return errors.New("user ID not found")
+ }
+ return s.TaskStore.CreateTask(ctx, t)
+}
+
+func (s *Service) GetTask(ctx *gofr.Context, id int) (models.Task, error) {
+ if id <= 0 {
+ return models.Task{}, errors.New("invalid task ID")
+ }
+ task, err := s.TaskStore.GetTask(ctx, id)
+ if err != nil {
+ if err == sql.ErrNoRows {
+ return models.Task{}, errors.New("task not found")
+ }
+ return models.Task{}, err
+ }
+ return task, nil
+}
+
+func (s *Service) ViewTasks(ctx *gofr.Context) ([]models.Task, error) {
+ return s.TaskStore.ViewTasks(ctx)
+}
+
+func (s *Service) UpdateTask(ctx *gofr.Context, id int) error {
+ if id <= 0 {
+ return errors.New("invalid task ID")
+ }
+ _, err := s.TaskStore.GetTask(ctx, id)
+ if err != nil {
+ if err == sql.ErrNoRows {
+ return errors.New("task not found")
+ }
+ return err
+ }
+ return s.TaskStore.UpdateTask(ctx, id)
+}
+
+func (s *Service) DeleteTask(ctx *gofr.Context, id int) error {
+ if id <= 0 {
+ return errors.New("invalid task ID")
+ }
+ _, err := s.TaskStore.GetTask(ctx, id)
+ if err != nil {
+ if err == sql.ErrNoRows {
+ return errors.New("task not found")
+ }
+ return err
+ }
+ return s.TaskStore.DeleteTask(ctx, id)
+}
diff --git a/day-16_gofr/3layerarch/service/task/service_test.go b/day-16_gofr/3layerarch/service/task/service_test.go
new file mode 100644
index 0000000..2abb124
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/task/service_test.go
@@ -0,0 +1,198 @@
+package taskservice
+
+import (
+ "database/sql"
+ "errors"
+ "reflect"
+ "testing"
+
+ "3layerarch/models"
+ "go.uber.org/mock/gomock"
+)
+
+func TestCreateTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockTaskStore := NewMockTaskStore(ctrl)
+ mockUserService := NewMockUserService(ctrl)
+ svc := New(mockTaskStore, mockUserService)
+
+ tests := []struct {
+ desc string
+ task models.Task
+ ifMock bool
+ userFound bool
+ storeErr error
+ userErr error
+ wantErr error
+ }{
+ {
+ "Valid Task", models.Task{Task: "Write tests", UserID: 1},
+ true, true, nil, nil, nil,
+ },
+ {
+ "Empty Task", models.Task{Task: "", UserID: 1},
+ false, false, nil, nil, errors.New("task cannot be empty"),
+ },
+ {
+ "User Not Found", models.Task{Task: "Write tests", UserID: 42},
+ true, false, nil, errors.New("user not found"), errors.New("user ID not found"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.ifMock {
+ if test.userErr != nil {
+ mockUserService.EXPECT().GetUser(test.task.UserID).Return(models.User{}, test.userErr)
+ } else {
+ mockUserService.EXPECT().GetUser(test.task.UserID).Return(models.User{ID: test.task.UserID}, nil)
+ mockTaskStore.EXPECT().CreateTask(test.task).Return(test.storeErr)
+ }
+ }
+
+ err := svc.CreateTask(test.task)
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%v: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+ }
+}
+
+func TestGetTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockTaskStore := NewMockTaskStore(ctrl)
+ svc := New(mockTaskStore, nil)
+
+ tests := []struct {
+ desc string
+ taskID int
+ task models.Task
+ err error
+ want models.Task
+ wantErr error
+ }{
+ {
+ "Valid Task", 1, models.Task{ID: 1, Task: "Test", UserID: 1},
+ nil, models.Task{ID: 1, Task: "Test", UserID: 1}, nil,
+ },
+ {
+ "Invalid ID", 0, models.Task{}, nil, models.Task{}, errors.New("invalid task ID"),
+ },
+ {
+ "Not Found", 2, models.Task{}, sql.ErrNoRows, models.Task{}, errors.New("task not found"),
+ },
+ {
+ "DB Error", 3, models.Task{}, errors.New("db error"), models.Task{}, errors.New("db error"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.taskID > 0 {
+ mockTaskStore.EXPECT().GetTask(test.taskID).Return(test.task, test.err)
+ }
+
+ got, err := svc.GetTask(test.taskID)
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%v: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+ if !reflect.DeepEqual(got, test.want) {
+ t.Errorf("%v: expected task %v, got %v", test.desc, test.want, got)
+ }
+ }
+}
+
+func TestUpdateTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockTaskStore := NewMockTaskStore(ctrl)
+ svc := New(mockTaskStore, nil)
+
+ tests := []struct {
+ desc string
+ taskID int
+ getErr error
+ updateErr error
+ wantErr error
+ }{
+ {
+ "Valid Update", 1, nil, nil, nil,
+ },
+ {
+ "Invalid ID", 0, nil, nil, errors.New("invalid task ID"),
+ },
+ {
+ "Task Not Found", 2, sql.ErrNoRows, nil, errors.New("task not found"),
+ },
+ {
+ "Get DB Error", 3, errors.New("db error"), nil, errors.New("db error"),
+ },
+ {
+ "Update DB Error", 4, nil, errors.New("update failed"), errors.New("update failed"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.taskID > 0 {
+ mockTaskStore.EXPECT().GetTask(test.taskID).Return(models.Task{}, test.getErr)
+ if test.getErr == nil {
+ mockTaskStore.EXPECT().UpdateTask(test.taskID).Return(test.updateErr)
+ }
+ }
+
+ err := svc.UpdateTask(test.taskID)
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%v: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+ }
+}
+
+func TestDeleteTask(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockTaskStore := NewMockTaskStore(ctrl)
+ svc := New(mockTaskStore, nil)
+
+ tests := []struct {
+ desc string
+ taskID int
+ getErr error
+ deleteErr error
+ wantErr error
+ }{
+ {
+ "Valid Delete", 1, nil, nil, nil,
+ },
+ {
+ "Invalid ID", 0, nil, nil, errors.New("invalid task ID"),
+ },
+ {
+ "Task Not Found", 2, sql.ErrNoRows, nil, errors.New("task not found"),
+ },
+ {
+ "Get DB Error", 3, errors.New("db error"), nil, errors.New("db error"),
+ },
+ {
+ "Delete DB Error", 4, nil, errors.New("delete failed"), errors.New("delete failed"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.taskID > 0 {
+ mockTaskStore.EXPECT().GetTask(test.taskID).Return(models.Task{}, test.getErr)
+ if test.getErr == nil {
+ mockTaskStore.EXPECT().DeleteTask(test.taskID).Return(test.deleteErr)
+ }
+ }
+
+ err := svc.DeleteTask(test.taskID)
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%v: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+ }
+}
+
+func errorsEqual(err1, err2 error) bool {
+ if err1 == nil && err2 == nil {
+ return true
+ }
+ if err1 == nil || err2 == nil {
+ return false
+ }
+ return err1.Error() == err2.Error()
+}
diff --git a/day-16_gofr/3layerarch/service/user/interface.go b/day-16_gofr/3layerarch/service/user/interface.go
new file mode 100644
index 0000000..c500173
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/user/interface.go
@@ -0,0 +1,11 @@
+package userservice
+
+import (
+ "3layerarch/models"
+ "gofr.dev/pkg/gofr"
+)
+
+type UserStore interface {
+ CreateUser(ctx *gofr.Context, u models.User) error
+ GetUser(ctx *gofr.Context, id int) (models.User, error)
+}
diff --git a/day-16_gofr/3layerarch/service/user/mock_interface.go b/day-16_gofr/3layerarch/service/user/mock_interface.go
new file mode 100644
index 0000000..2cea4a4
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/user/mock_interface.go
@@ -0,0 +1,70 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: interface.go
+//
+// Generated by this command:
+//
+// mockgen -source=interface.go -destination=mock_interface.go -package=userservice
+//
+
+// Package userservice is a generated GoMock package.
+package userservice
+
+import (
+ models "3layerarch/models"
+ reflect "reflect"
+
+ gomock "go.uber.org/mock/gomock"
+)
+
+// MockUserStore is a mock of UserStore interface.
+type MockUserStore struct {
+ ctrl *gomock.Controller
+ recorder *MockUserStoreMockRecorder
+ isgomock struct{}
+}
+
+// MockUserStoreMockRecorder is the mock recorder for MockUserStore.
+type MockUserStoreMockRecorder struct {
+ mock *MockUserStore
+}
+
+// NewMockUserStore creates a new mock instance.
+func NewMockUserStore(ctrl *gomock.Controller) *MockUserStore {
+ mock := &MockUserStore{ctrl: ctrl}
+ mock.recorder = &MockUserStoreMockRecorder{mock}
+ return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockUserStore) EXPECT() *MockUserStoreMockRecorder {
+ return m.recorder
+}
+
+// CreateUser mocks base method.
+func (m *MockUserStore) CreateUser(u models.User) error {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "CreateUser", u)
+ ret0, _ := ret[0].(error)
+ return ret0
+}
+
+// CreateUser indicates an expected call of CreateUser.
+func (mr *MockUserStoreMockRecorder) CreateUser(u any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateUser", reflect.TypeOf((*MockUserStore)(nil).CreateUser), u)
+}
+
+// GetUser mocks base method.
+func (m *MockUserStore) GetUser(id int) (models.User, error) {
+ m.ctrl.T.Helper()
+ ret := m.ctrl.Call(m, "GetUser", id)
+ ret0, _ := ret[0].(models.User)
+ ret1, _ := ret[1].(error)
+ return ret0, ret1
+}
+
+// GetUser indicates an expected call of GetUser.
+func (mr *MockUserStoreMockRecorder) GetUser(id any) *gomock.Call {
+ mr.mock.ctrl.T.Helper()
+ return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUser", reflect.TypeOf((*MockUserStore)(nil).GetUser), id)
+}
diff --git a/day-16_gofr/3layerarch/service/user/service.go b/day-16_gofr/3layerarch/service/user/service.go
new file mode 100644
index 0000000..ad331b2
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/user/service.go
@@ -0,0 +1,42 @@
+package userservice
+
+import (
+ "3layerarch/models"
+ "database/sql"
+ "errors"
+ "gofr.dev/pkg/gofr"
+)
+
+//type UserStore interface {
+// CreateUser(u models.User) error
+// GetUser(id int) (models.User, error)
+//}
+
+type Service struct {
+ Store UserStore
+}
+
+func New(store UserStore) *Service {
+ return &Service{Store: store}
+}
+
+func (s *Service) CreateUser(ctx *gofr.Context, u models.User) error {
+ if u.Name == "" {
+ return errors.New("user name cannot be empty")
+ }
+ return s.Store.CreateUser(ctx, u)
+}
+
+func (s *Service) GetUser(ctx *gofr.Context, id int) (models.User, error) {
+ if id <= 0 {
+ return models.User{}, errors.New("invalid user ID")
+ }
+ u, err := s.Store.GetUser(ctx, id)
+ if err != nil {
+ if err == sql.ErrNoRows {
+ return models.User{}, errors.New("user not found")
+ }
+ return models.User{}, err
+ }
+ return u, nil
+}
diff --git a/day-16_gofr/3layerarch/service/user/service_test.go b/day-16_gofr/3layerarch/service/user/service_test.go
new file mode 100644
index 0000000..2392016
--- /dev/null
+++ b/day-16_gofr/3layerarch/service/user/service_test.go
@@ -0,0 +1,118 @@
+package userservice
+
+import (
+ "database/sql"
+ "errors"
+ "reflect"
+ "testing"
+
+ "3layerarch/models"
+ "go.uber.org/mock/gomock"
+)
+
+func TestCreateUser(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockStore := NewMockUserStore(ctrl)
+ svc := New(mockStore)
+
+ tests := []struct {
+ desc string
+ input models.User
+ setupMock func()
+ wantErr error
+ }{
+ {
+ desc: "Success",
+ input: models.User{Name: "Alice"},
+ setupMock: func() {
+ mockStore.EXPECT().CreateUser(models.User{Name: "Alice"}).Return(nil)
+ },
+ wantErr: nil,
+ },
+ {
+ desc: "Empty Name",
+ input: models.User{Name: ""},
+ wantErr: errors.New("user name cannot be empty"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.setupMock != nil {
+ test.setupMock()
+ }
+ err := svc.CreateUser(test.input)
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%s: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+ }
+}
+
+func TestGetUser(t *testing.T) {
+ ctrl := gomock.NewController(t)
+ mockStore := NewMockUserStore(ctrl)
+ svc := New(mockStore)
+
+ tests := []struct {
+ desc string
+ inputID int
+ setup func()
+ want models.User
+ wantErr error
+ }{
+ {
+ desc: "Success",
+ inputID: 1,
+ setup: func() {
+ mockStore.EXPECT().GetUser(1).Return(models.User{ID: 1, Name: "Alice"}, nil)
+ },
+ want: models.User{ID: 1, Name: "Alice"},
+ },
+ {
+ desc: "Invalid ID",
+ inputID: 0,
+ wantErr: errors.New("invalid user ID"),
+ },
+ {
+ desc: "User Not Found",
+ inputID: 2,
+ setup: func() {
+ mockStore.EXPECT().GetUser(2).Return(models.User{}, sql.ErrNoRows)
+ },
+ wantErr: errors.New("user not found"),
+ },
+ {
+ desc: "DB Error",
+ inputID: 3,
+ setup: func() {
+ mockStore.EXPECT().GetUser(3).Return(models.User{}, errors.New("some db error"))
+ },
+ wantErr: errors.New("some db error"),
+ },
+ }
+
+ for _, test := range tests {
+ if test.setup != nil {
+ test.setup()
+ }
+
+ got, err := svc.GetUser(test.inputID)
+
+ if !errorsEqual(err, test.wantErr) {
+ t.Errorf("%s: expected error %v, got %v", test.desc, test.wantErr, err)
+ }
+
+ if err == nil && !reflect.DeepEqual(got, test.want) {
+ t.Errorf("%s: expected user %+v, got %+v", test.desc, test.want, got)
+ }
+ }
+}
+
+func errorsEqual(err1, err2 error) bool {
+ if err1 == nil && err2 == nil {
+ return true
+ }
+ if err1 == nil || err2 == nil {
+ return false
+ }
+ return err1.Error() == err2.Error()
+}
diff --git a/day-16_gofr/3layerarch/store/task/store.go b/day-16_gofr/3layerarch/store/task/store.go
new file mode 100644
index 0000000..87a2395
--- /dev/null
+++ b/day-16_gofr/3layerarch/store/task/store.go
@@ -0,0 +1,60 @@
+package taskstore
+
+import (
+ "3layerarch/models"
+ "database/sql"
+ "gofr.dev/pkg/gofr"
+ "log"
+)
+
+type Store struct {
+ db *sql.DB
+}
+
+func New(db *sql.DB) *Store {
+ return &Store{db: db}
+}
+
+func (s *Store) CreateTask(ctx *gofr.Context, t models.Task) error {
+ _, err := ctx.SQL.ExecContext(ctx, "INSERT INTO TASKS (task, completed, user_id) VALUES (?, ?, ?)", t.Task, t.Completed, t.UserID)
+ return err
+}
+
+func (s *Store) GetTask(ctx *gofr.Context, id int) (models.Task, error) {
+ var t models.Task
+ err := ctx.SQL.QueryRowContext(ctx, "SELECT id, task, completed, user_id FROM TASKS WHERE id = ?", id).
+ Scan(&t.ID, &t.Task, &t.Completed, &t.UserID)
+ return t, err
+}
+
+func (s *Store) ViewTasks(ctx *gofr.Context) ([]models.Task, error) {
+ rows, err := ctx.SQL.QueryContext(ctx, "SELECT id, task, completed, user_id FROM TASKS")
+ if err != nil {
+ return nil, err
+ }
+ defer func() {
+ if err := rows.Close(); err != nil {
+ log.Println("Error closing rows:", err)
+ }
+ }()
+
+ var tasks []models.Task
+ for rows.Next() {
+ var t models.Task
+ if err := rows.Scan(&t.ID, &t.Task, &t.Completed, &t.UserID); err != nil {
+ return nil, err
+ }
+ tasks = append(tasks, t)
+ }
+ return tasks, nil
+}
+
+func (s *Store) UpdateTask(ctx *gofr.Context, id int) error {
+ _, err := ctx.SQL.ExecContext(ctx, "UPDATE TASKS SET completed = true WHERE id = ?", id)
+ return err
+}
+
+func (s *Store) DeleteTask(ctx *gofr.Context, id int) error {
+ _, err := ctx.SQL.ExecContext(ctx, "DELETE FROM TASKS WHERE id = ?", id)
+ return err
+}
diff --git a/day-16_gofr/3layerarch/store/task/store_test.go b/day-16_gofr/3layerarch/store/task/store_test.go
new file mode 100644
index 0000000..79a62fd
--- /dev/null
+++ b/day-16_gofr/3layerarch/store/task/store_test.go
@@ -0,0 +1,107 @@
+package taskstore_test
+
+import (
+ "3layerarch/models"
+ "3layerarch/store/task"
+ "testing"
+
+ "github.com/DATA-DOG/go-sqlmock"
+)
+
+func TestCreateTask(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+
+ defer db.Close()
+
+ repo := taskstore.New(db)
+ task := models.Task{Task: "Clean room", Completed: false, UserID: 1}
+
+ mock.ExpectExec("INSERT INTO TASKS (task, completed, user_id) VALUES (?, ?, ?)").
+ WithArgs(task.Task, task.Completed, task.UserID).
+ WillReturnResult(sqlmock.NewResult(1, 1))
+
+ err = repo.CreateTask(task)
+ if err != nil {
+ t.Errorf("expected no error, got %v", err)
+ }
+}
+func TestGetTask(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := taskstore.New(db)
+
+ rows := sqlmock.NewRows([]string{"id", "task", "completed", "user_id"}).
+ AddRow(1, "Read", false, 2)
+
+ mock.ExpectQuery("SELECT id, task, completed, user_id FROM TASKS WHERE id = ?").
+ WithArgs(1).WillReturnRows(rows)
+
+ task, err := repo.GetTask(1)
+ if err != nil || task.ID != 1 {
+ t.Errorf("unexpected result: %v, err: %v", task, err)
+ }
+}
+
+func TestViewTasks(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := taskstore.New(db)
+
+ rows := sqlmock.NewRows([]string{"id", "task", "completed", "user_id"}).
+ AddRow(1, "Work", false, 1)
+
+ mock.ExpectQuery("SELECT id, task, completed, user_id FROM TASKS").
+ WillReturnRows(rows)
+
+ tasks, err := repo.ViewTasks()
+ if err != nil || len(tasks) != 1 {
+ t.Errorf("unexpected result: %v, err: %v", tasks, err)
+ }
+}
+
+func TestUpdateTask(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := taskstore.New(db)
+
+ mock.ExpectExec("UPDATE TASKS SET completed = true WHERE id = ?").
+ WithArgs(1).WillReturnResult(sqlmock.NewResult(0, 1))
+
+ err = repo.UpdateTask(1)
+ if err != nil {
+ t.Errorf("unexpected error: %v", err)
+ }
+}
+
+func TestDeleteTask(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := taskstore.New(db)
+
+ mock.ExpectExec("DELETE FROM TASKS WHERE id = ?").
+ WithArgs(1).WillReturnResult(sqlmock.NewResult(0, 1))
+
+ err = repo.DeleteTask(1)
+ if err != nil {
+ t.Errorf("unexpected error: %v", err)
+ }
+}
diff --git a/day-16_gofr/3layerarch/store/user/store.go b/day-16_gofr/3layerarch/store/user/store.go
new file mode 100644
index 0000000..38dba35
--- /dev/null
+++ b/day-16_gofr/3layerarch/store/user/store.go
@@ -0,0 +1,26 @@
+package userstore
+
+import (
+ "3layerarch/models"
+ "database/sql"
+ "gofr.dev/pkg/gofr"
+)
+
+type Store struct {
+ db *sql.DB
+}
+
+func New(db *sql.DB) *Store {
+ return &Store{db: db}
+}
+
+func (s *Store) CreateUser(ctx *gofr.Context, u models.User) error {
+ _, err := ctx.SQL.ExecContext(ctx, "INSERT INTO USERS (name) VALUES (?)", u.Name)
+ return err
+}
+
+func (s *Store) GetUser(ctx *gofr.Context, id int) (models.User, error) {
+ var u models.User
+ err := ctx.SQL.QueryRowContext(ctx, "SELECT id, name FROM USERS WHERE id = ?", id).Scan(&u.ID, &u.Name)
+ return u, err
+}
diff --git a/day-16_gofr/3layerarch/store/user/store_test.go b/day-16_gofr/3layerarch/store/user/store_test.go
new file mode 100644
index 0000000..f42d405
--- /dev/null
+++ b/day-16_gofr/3layerarch/store/user/store_test.go
@@ -0,0 +1,49 @@
+package userstore_test
+
+import (
+ "3layerarch/models"
+ "3layerarch/store/user"
+ "testing"
+
+ "github.com/DATA-DOG/go-sqlmock"
+)
+
+func TestCreateUser(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := userstore.New(db)
+ user := models.User{Name: "Alice"}
+
+ mock.ExpectExec("INSERT INTO USERS (name) VALUES (?)").
+ WithArgs(user.Name).WillReturnResult(sqlmock.NewResult(1, 1))
+
+ err = repo.CreateUser(user)
+ if err != nil {
+ t.Errorf("expected no error, got %v", err)
+ }
+}
+
+func TestGetUser(t *testing.T) {
+ db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
+ if err != nil {
+ t.Fatalf("unexpected error: %s", err)
+ }
+ defer db.Close()
+
+ repo := userstore.New(db)
+
+ rows := sqlmock.NewRows([]string{"id", "name"}).
+ AddRow(1, "Bob")
+
+ mock.ExpectQuery("SELECT id, name FROM USERS WHERE id = ?").
+ WithArgs(1).WillReturnRows(rows)
+
+ user, err := repo.GetUser(1)
+ if err != nil || user.ID != 1 || user.Name != "Bob" {
+ t.Errorf("unexpected result: %v, err: %v", user, err)
+ }
+}