forked from ulule/loukoum
/
comment.go
157 lines (133 loc) · 4.4 KB
/
comment.go
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package main
import (
"github.com/jmoiron/sqlx"
"github.com/lib/pq"
lk "github.com/ulule/loukoum"
)
// Comment model
type Comment struct {
ID int64
Email string `db:"email"`
Status string `db:"status"`
Message string `db:"message"`
UserID int64 `db:"user_id"`
User *User `db:"users"`
CreatedAt pq.NullTime `db:"created_at"`
DeletedAt pq.NullTime `db:"deleted_at"`
}
// FindComments retrieves comments by users.
func FindComments(db *sqlx.DB, comment Comment) ([]Comment, error) {
builder := lk.Select("id", "email", "status", "user_id", "message", "created_at").
From("comments").
Join(lk.Table("users"), lk.On("comments.user_id", "users.id")).
Where(lk.Condition("deleted_at").IsNull(true))
// query: SELECT id, email, status, user_id, message, created_at FROM comments WHERE ((deleted_at IS NULL) AND (user_id IN (SELECT id FROM users WHERE (is_staff IS :arg_1))))
// args: (map[string]interface {}) (len=1) {
// (string) (len=5) "arg_1": (bool) true
// }
query, args := builder.Prepare()
stmt, err := db.PrepareNamed(query)
if err != nil {
return nil, err
}
defer stmt.Close()
comments := []Comment{}
err = stmt.Select(&comments, args)
if err != nil {
return comments, err
}
return comments, nil
}
// FindStaffComments retrieves comments by staff users.
func FindStaffComments(db *sqlx.DB, comment Comment) ([]Comment, error) {
builder := lk.Select("id", "email", "status", "user_id", "message", "created_at").
From("comments").
Where(lk.Condition("deleted_at").IsNull(true)).
Where(lk.Condition("user_id").In(
lk.Select("id").
From("users").
Where(lk.Condition("is_staff").
Is(true))))
// query: SELECT id, email, status, user_id, message, created_at FROM comments WHERE ((deleted_at IS NULL) AND (user_id IN (SELECT id FROM users WHERE (is_staff IS :arg_1))))
// args: (map[string]interface {}) (len=1) {
// (string) (len=5) "arg_1": (bool) true
// }
query, args := builder.Prepare()
stmt, err := db.PrepareNamed(query)
if err != nil {
return nil, err
}
defer stmt.Close()
comments := []Comment{}
err = stmt.Select(&comments, args)
if err != nil {
return comments, err
}
return comments, nil
}
// CreateComment creates a comment.
func CreateComment(db *sqlx.DB, comment Comment) (Comment, error) {
builder := lk.Insert("comments").
Set(
lk.Pair("email", comment.Email),
lk.Pair("status", "waiting"),
lk.Pair("message", comment.Message),
lk.Pair("created_at", lk.Raw("NOW()")),
).
Returning("id")
query, args := builder.Prepare()
// query: INSERT INTO comments (created_at, email, message, status) VALUES (NOW(), :arg_1, :arg_2, :arg_3) RETURNING id
// args: (map[string]interface {}) (len=3) {
// (string) (len=5) "arg_1": (string) comment.Email,
// (string) (len=5) "arg_2": (string) comment.Message,
// (string) (len=5) "arg_3": (string) "waiting"
// }
stmt, err := db.PrepareNamed(query)
if err != nil {
return comment, err
}
defer stmt.Close()
err = stmt.Get(&comment, args)
if err != nil {
return comment, err
}
return comment, nil
}
// UpsertComment inserts or updates a comment based on the email attribute.
func UpsertComment(db *sqlx.DB, comment Comment) (Comment, error) {
builder := lk.Insert("comments").
Set(
lk.Pair("email", comment.Email),
lk.Pair("status", "waiting"),
lk.Pair("message", comment.Message),
lk.Pair("created_at", lk.Raw("NOW()")),
).
OnConflict("email", lk.DoUpdate(
lk.Pair("message", comment.Message),
lk.Pair("status", "waiting"),
lk.Pair("created_at", lk.Raw("NOW()")),
lk.Pair("deleted_at", nil),
)).
Returning("id")
query, args := builder.Prepare()
// query: INSERT INTO comments (created_at, email, message, status) VALUES (
// NOW(), :arg_1, :arg_2, :arg_3
// ) ON CONFLICT (email) DO UPDATE SET created_at = NOW(), deleted_at = NULL, message = :arg_4, status = :arg_5 RETURNING id
// args: (map[string]interface {}) (len=5) {
// (string) (len=5) "arg_1": (string) (len=5) comment.Email,
// (string) (len=5) "arg_2": (string) (len=7) comment.Message,
// (string) (len=5) "arg_3": (string) (len=7) "waiting",
// (string) (len=5) "arg_4": (string) (len=7) comment.Message,
// (string) (len=5) "arg_5": (string) (len=7) "waiting"
// }
stmt, err := db.PrepareNamed(query)
if err != nil {
return comment, err
}
defer stmt.Close()
err = stmt.Get(&comment, args)
if err != nil {
return comment, err
}
return comment, nil
}