/
tag.go
143 lines (113 loc) · 3.25 KB
/
tag.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
package service
import (
"context"
"github.com/PickHD/pickablog/config"
"github.com/PickHD/pickablog/helper"
"github.com/PickHD/pickablog/model"
"github.com/PickHD/pickablog/repository"
"github.com/jackc/pgx/v4"
"github.com/sirupsen/logrus"
)
type (
// IHealthCheckService is an interface that has all the function to be implemented inside tag service
ITagService interface {
CreateTagSvc(req model.CreateTagRequest,createdBy string) error
GetAllTagSvc(page int,size int,order string,field string, search string) ([]model.ViewTagResponse,*model.Metadata,error)
UpdateTagSvc(id int, req model.UpdateTagRequest, updatedBy string) error
DeleteTagSvc(id int) error
}
// TagService is an app tag struct that consists of all the dependencies needed for tag service
TagService struct {
Context context.Context
Config *config.Configuration
Logger *logrus.Logger
TagRepo repository.ITagRepository
}
)
// CreateTagSvc service layer for creating a tag
func (ts *TagService) CreateTagSvc(req model.CreateTagRequest,createdBy string) error {
err := validateCreateTagRequest(&req)
if err != nil {
return err
}
_,err = ts.TagRepo.GetByName(req.Name)
if err != nil {
if err == pgx.ErrNoRows {
err = ts.TagRepo.Create(req,createdBy)
if err != nil {
return err
}
return nil
}
return err
}
return model.ErrTagNameExisted
}
// GetAllTagSvc service layer for getting all tag
func (ts *TagService) GetAllTagSvc(page int,size int,order string, field string, search string) ([]model.ViewTagResponse,*model.Metadata,error) {
data,totalData, err := ts.TagRepo.GetAll(page,size,order,field,search)
if err != nil {
return nil,nil,err
}
if totalData < 1 {
return []model.ViewTagResponse{},nil,nil
}
totalPage := (int(totalData) + size - 1) / size
if len(data) > size {
data = data[:len(data)-1]
}
meta := helper.BuildMetaData(page,size,order,totalData,totalPage)
return data,meta,nil
}
// UpdateTagSvc service layer for updating a tag by id
func (ts *TagService) UpdateTagSvc(id int, req model.UpdateTagRequest, updatedBy string) error {
tag,err := ts.TagRepo.GetByID(id)
if err != nil {
if err == pgx.ErrNoRows {
return model.ErrTagNotFound
}
return err
}
tagMap,err := validateUpdateTagRequest(tag,&req)
if err != nil {
return err
}
err = ts.TagRepo.UpdateByID(id,tagMap,updatedBy)
if err != nil {
return err
}
return nil
}
// DeleteTagSvc service layer for deleting a tag by id
func (ts *TagService) DeleteTagSvc(id int) error {
_,err := ts.TagRepo.GetByID(id)
if err != nil {
if err == pgx.ErrNoRows {
return model.ErrTagNotFound
}
return err
}
err = ts.TagRepo.DeleteByID(id)
if err != nil {
return err
}
return nil
}
// validateCreateTagRequest responsible to validating request create tag
func validateCreateTagRequest(req *model.CreateTagRequest) error {
if len(req.Name) < 5 {
return model.ErrInvalidRequest
}
return nil
}
// validateUpdateTagRequest reposible to validating request update tag
func validateUpdateTagRequest(tag *model.ViewTagResponse,req *model.UpdateTagRequest) (map[string]interface{},error) {
tagMap:= make(map[string]interface{})
if req.Name != "" {
if len(req.Name) < 5 {
return nil,model.ErrInvalidRequest
}
tagMap["name"] = req.Name
}
return tagMap,nil
}