bench-forgejo/models/issue_label.go

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// 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"
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"regexp"
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"strconv"
"strings"
"github.com/go-xorm/xorm"
api "github.com/gogits/go-gogs-client"
"github.com/go-gitea/gitea/modules/base"
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)
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var labelColorPattern = regexp.MustCompile("#([a-fA-F0-9]{6})")
// GetLabelTemplateFile loads the label template file by given name,
// then parses and returns a list of name-color pairs.
func GetLabelTemplateFile(name string) ([][2]string, error) {
data, err := getRepoInitFile("label", name)
if err != nil {
return nil, fmt.Errorf("getRepoInitFile: %v", err)
}
lines := strings.Split(string(data), "\n")
list := make([][2]string, 0, len(lines))
for i := 0; i < len(lines); i++ {
line := strings.TrimSpace(lines[i])
if len(line) == 0 {
continue
}
fields := strings.SplitN(line, " ", 2)
if len(fields) != 2 {
return nil, fmt.Errorf("line is malformed: %s", line)
}
if !labelColorPattern.MatchString(fields[0]) {
return nil, fmt.Errorf("bad HTML color code in line: %s", line)
}
fields[1] = strings.TrimSpace(fields[1])
list = append(list, [2]string{fields[1], fields[0]})
}
return list, nil
}
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// 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:"-"`
}
func (label *Label) APIFormat() *api.Label {
return &api.Label{
ID: label.ID,
Name: label.Name,
Color: label.Color,
}
}
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// CalOpenIssues calculates the open issues of label.
func (label *Label) CalOpenIssues() {
label.NumOpenIssues = label.NumIssues - label.NumClosedIssues
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}
// 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
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if luminance < 0.66 {
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return template.CSS("#fff")
}
}
}
// default to black
return template.CSS("#000")
}
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// NewLabels creates new label(s) for a repository.
func NewLabels(labels ...*Label) error {
_, err := x.Insert(labels)
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return err
}
// getLabelInRepoByID returns a label by ID in given repository.
// If pass repoID as 0, then ORM will ignore limitation of repository
// and can return arbitrary label with any valid ID.
func getLabelInRepoByID(e Engine, repoID, labelID int64) (*Label, error) {
if labelID <= 0 {
return nil, ErrLabelNotExist{labelID, repoID}
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}
l := &Label{
ID: labelID,
RepoID: repoID,
}
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has, err := x.Get(l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLabelNotExist{l.ID, l.RepoID}
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}
return l, nil
}
// GetLabelByID returns a label by given ID.
func GetLabelByID(id int64) (*Label, error) {
return getLabelInRepoByID(x, 0, id)
}
// GetLabelInRepoByID returns a label by ID in given repository.
func GetLabelInRepoByID(repoID, labelID int64) (*Label, error) {
return getLabelInRepoByID(x, repoID, labelID)
}
// GetLabelsInRepoByIDs returns a list of labels by IDs in given repository,
// it silently ignores label IDs that are not belong to the repository.
func GetLabelsInRepoByIDs(repoID int64, labelIDs []int64) ([]*Label, error) {
labels := make([]*Label, 0, len(labelIDs))
return labels, x.Where("repo_id = ?", repoID).In("id", base.Int64sToStrings(labelIDs)).Asc("name").Find(&labels)
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}
// 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).Asc("name").Find(&labels)
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}
func getLabelsByIssueID(e Engine, issueID int64) ([]*Label, error) {
issueLabels, err := getIssueLabels(e, issueID)
if err != nil {
return nil, fmt.Errorf("getIssueLabels: %v", err)
} else if len(issueLabels) == 0 {
return []*Label{}, nil
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}
labelIDs := make([]int64, len(issueLabels))
for i := range issueLabels {
labelIDs[i] = issueLabels[i].LabelID
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}
labels := make([]*Label, 0, len(labelIDs))
return labels, e.Where("id > 0").In("id", base.Int64sToStrings(labelIDs)).Asc("name").Find(&labels)
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}
// 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 {
_, err := GetLabelInRepoByID(repoID, labelID)
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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 = sess.Id(labelID).Delete(new(Label)); err != nil {
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return err
} else if _, err = sess.Where("label_id = ?", labelID).Delete(new(IssueLabel)); err != nil {
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return err
}
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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))
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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) {
if HasIssueLabel(issue.ID, label.ID) {
return nil
}
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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 newIssueLabels(e *xorm.Session, issue *Issue, labels []*Label) (err error) {
for i := range labels {
if hasIssueLabel(e, issue.ID, labels[i].ID) {
continue
}
if err = newIssueLabel(e, issue, labels[i]); err != nil {
return fmt.Errorf("newIssueLabel: %v", err)
}
}
return nil
}
// NewIssueLabels creates a list of issue-label relations.
func NewIssueLabels(issue *Issue, labels []*Label) (err error) {
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if err = newIssueLabels(sess, issue, labels); err != nil {
return err
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}
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()
}