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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
// Copyright 2016 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"html/template"
"strconv"
"strings"
"github.com/go-xorm/xorm"
)
// Label represents a label of repository for issues.
type Label struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"INDEX"`
Name string
Color string `xorm:"VARCHAR(7)"`
NumIssues int
NumClosedIssues int
NumOpenIssues int `xorm:"-"`
IsChecked bool `xorm:"-"`
}
// CalOpenIssues calculates the open issues of label.
func (m *Label) CalOpenIssues() {
m.NumOpenIssues = m.NumIssues - m.NumClosedIssues
}
// ForegroundColor calculates the text color for labels based
// on their background color.
func (l *Label) ForegroundColor() template.CSS {
if strings.HasPrefix(l.Color, "#") {
if color, err := strconv.ParseUint(l.Color[1:], 16, 64); err == nil {
r := float32(0xFF & (color >> 16))
g := float32(0xFF & (color >> 8))
b := float32(0xFF & color)
luminance := (0.2126*r + 0.7152*g + 0.0722*b) / 255
if luminance < 0.5 {
return template.CSS("#fff")
}
}
}
// default to black
return template.CSS("#000")
}
// NewLabel creates new label of repository.
func NewLabel(l *Label) error {
_, err := x.Insert(l)
return err
}
func getLabelByID(e Engine, id int64) (*Label, error) {
if id <= 0 {
return nil, ErrLabelNotExist{id}
}
l := &Label{ID: id}
has, err := x.Get(l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLabelNotExist{l.ID}
}
return l, nil
}
// GetLabelByID returns a label by given ID.
func GetLabelByID(id int64) (*Label, error) {
return getLabelByID(x, id)
}
// GetLabelsByRepoID returns all labels that belong to given repository by ID.
func GetLabelsByRepoID(repoID int64) ([]*Label, error) {
labels := make([]*Label, 0, 10)
return labels, x.Where("repo_id=?", repoID).Find(&labels)
}
func getLabelsByIssueID(e Engine, issueID int64) ([]*Label, error) {
issueLabels, err := getIssueLabels(e, issueID)
if err != nil {
return nil, fmt.Errorf("getIssueLabels: %v", err)
}
var label *Label
labels := make([]*Label, 0, len(issueLabels))
for idx := range issueLabels {
label, err = getLabelByID(e, issueLabels[idx].LabelID)
if err != nil && !IsErrLabelNotExist(err) {
return nil, fmt.Errorf("getLabelByID: %v", err)
}
labels = append(labels, label)
}
return labels, nil
}
// GetLabelsByIssueID returns all labels that belong to given issue by ID.
func GetLabelsByIssueID(issueID int64) ([]*Label, error) {
return getLabelsByIssueID(x, issueID)
}
func updateLabel(e Engine, l *Label) error {
_, err := e.Id(l.ID).AllCols().Update(l)
return err
}
// UpdateLabel updates label information.
func UpdateLabel(l *Label) error {
return updateLabel(x, l)
}
// DeleteLabel delete a label of given repository.
func DeleteLabel(repoID, labelID int64) error {
l, err := GetLabelByID(labelID)
if err != nil {
if IsErrLabelNotExist(err) {
return nil
}
return err
}
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if _, err = x.Where("label_id=?", labelID).Delete(new(IssueLabel)); err != nil {
return err
} else if _, err = sess.Delete(l); err != nil {
return err
}
return sess.Commit()
}
// .___ .____ ___. .__
// | | ______ ________ __ ____ | | _____ \_ |__ ____ | |
// | |/ ___// ___/ | \_/ __ \| | \__ \ | __ \_/ __ \| |
// | |\___ \ \___ \| | /\ ___/| |___ / __ \| \_\ \ ___/| |__
// |___/____ >____ >____/ \___ >_______ (____ /___ /\___ >____/
// \/ \/ \/ \/ \/ \/ \/
// IssueLabel represetns an issue-lable relation.
type IssueLabel struct {
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"UNIQUE(s)"`
LabelID int64 `xorm:"UNIQUE(s)"`
}
func hasIssueLabel(e Engine, issueID, labelID int64) bool {
has, _ := e.Where("issue_id=? AND label_id=?", issueID, labelID).Get(new(IssueLabel))
return has
}
// HasIssueLabel returns true if issue has been labeled.
func HasIssueLabel(issueID, labelID int64) bool {
return hasIssueLabel(x, issueID, labelID)
}
func newIssueLabel(e *xorm.Session, issue *Issue, label *Label) (err error) {
if _, err = e.Insert(&IssueLabel{
IssueID: issue.ID,
LabelID: label.ID,
}); err != nil {
return err
}
label.NumIssues++
if issue.IsClosed {
label.NumClosedIssues++
}
return updateLabel(e, label)
}
// NewIssueLabel creates a new issue-label relation.
func NewIssueLabel(issue *Issue, label *Label) (err error) {
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if err = newIssueLabel(sess, issue, label); err != nil {
return err
}
return sess.Commit()
}
func getIssueLabels(e Engine, issueID int64) ([]*IssueLabel, error) {
issueLabels := make([]*IssueLabel, 0, 10)
return issueLabels, e.Where("issue_id=?", issueID).Asc("label_id").Find(&issueLabels)
}
// GetIssueLabels returns all issue-label relations of given issue by ID.
func GetIssueLabels(issueID int64) ([]*IssueLabel, error) {
return getIssueLabels(x, issueID)
}
func deleteIssueLabel(e *xorm.Session, issue *Issue, label *Label) (err error) {
if _, err = e.Delete(&IssueLabel{
IssueID: issue.ID,
LabelID: label.ID,
}); err != nil {
return err
}
label.NumIssues--
if issue.IsClosed {
label.NumClosedIssues--
}
return updateLabel(e, label)
}
// DeleteIssueLabel deletes issue-label relation.
func DeleteIssueLabel(issue *Issue, label *Label) (err error) {
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if err = deleteIssueLabel(sess, issue, label); err != nil {
return err
}
return sess.Commit()
}
|
