mirror of https://github.com/gogits/gogs.git
Unknwon
9 years ago
9 changed files with 254 additions and 245 deletions
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// Copyright 2016 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models |
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import ( |
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"fmt" |
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"html/template" |
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"strconv" |
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"strings" |
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"github.com/go-xorm/xorm" |
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) |
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// Label represents a label of repository for issues.
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type Label struct { |
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ID int64 `xorm:"pk autoincr"` |
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RepoID int64 `xorm:"INDEX"` |
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Name string |
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Color string `xorm:"VARCHAR(7)"` |
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NumIssues int |
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NumClosedIssues int |
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NumOpenIssues int `xorm:"-"` |
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IsChecked bool `xorm:"-"` |
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} |
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// CalOpenIssues calculates the open issues of label.
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func (m *Label) CalOpenIssues() { |
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m.NumOpenIssues = m.NumIssues - m.NumClosedIssues |
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} |
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// ForegroundColor calculates the text color for labels based
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// on their background color.
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func (l *Label) ForegroundColor() template.CSS { |
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if strings.HasPrefix(l.Color, "#") { |
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if color, err := strconv.ParseUint(l.Color[1:], 16, 64); err == nil { |
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r := float32(0xFF & (color >> 16)) |
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g := float32(0xFF & (color >> 8)) |
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b := float32(0xFF & color) |
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luminance := (0.2126*r + 0.7152*g + 0.0722*b) / 255 |
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if luminance < 0.5 { |
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return template.CSS("#fff") |
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} |
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} |
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} |
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// default to black
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return template.CSS("#000") |
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} |
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// NewLabel creates new label of repository.
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func NewLabel(l *Label) error { |
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_, err := x.Insert(l) |
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return err |
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} |
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func getLabelByID(e Engine, id int64) (*Label, error) { |
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if id <= 0 { |
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return nil, ErrLabelNotExist{id} |
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} |
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l := &Label{ID: id} |
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has, err := x.Get(l) |
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if err != nil { |
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return nil, err |
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} else if !has { |
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return nil, ErrLabelNotExist{l.ID} |
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} |
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return l, nil |
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} |
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// GetLabelByID returns a label by given ID.
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func GetLabelByID(id int64) (*Label, error) { |
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return getLabelByID(x, id) |
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} |
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// GetLabelsByRepoID returns all labels that belong to given repository by ID.
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func GetLabelsByRepoID(repoID int64) ([]*Label, error) { |
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labels := make([]*Label, 0, 10) |
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return labels, x.Where("repo_id=?", repoID).Find(&labels) |
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} |
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func getLabelsByIssueID(e Engine, issueID int64) ([]*Label, error) { |
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issueLabels, err := getIssueLabels(e, issueID) |
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if err != nil { |
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return nil, fmt.Errorf("getIssueLabels: %v", err) |
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} |
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var label *Label |
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labels := make([]*Label, 0, len(issueLabels)) |
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for idx := range issueLabels { |
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label, err = getLabelByID(e, issueLabels[idx].LabelID) |
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if err != nil && !IsErrLabelNotExist(err) { |
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return nil, fmt.Errorf("getLabelByID: %v", err) |
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} |
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labels = append(labels, label) |
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} |
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return labels, nil |
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} |
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// GetLabelsByIssueID returns all labels that belong to given issue by ID.
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func GetLabelsByIssueID(issueID int64) ([]*Label, error) { |
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return getLabelsByIssueID(x, issueID) |
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} |
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func updateLabel(e Engine, l *Label) error { |
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_, err := e.Id(l.ID).AllCols().Update(l) |
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return err |
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} |
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// UpdateLabel updates label information.
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func UpdateLabel(l *Label) error { |
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return updateLabel(x, l) |
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} |
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// DeleteLabel delete a label of given repository.
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func DeleteLabel(repoID, labelID int64) error { |
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l, err := GetLabelByID(labelID) |
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if err != nil { |
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if IsErrLabelNotExist(err) { |
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return nil |
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} |
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return err |
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} |
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sess := x.NewSession() |
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defer sessionRelease(sess) |
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if err = sess.Begin(); err != nil { |
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return err |
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} |
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if _, err = x.Where("label_id=?", labelID).Delete(new(IssueLabel)); err != nil { |
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return err |
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} else if _, err = sess.Delete(l); err != nil { |
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return err |
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} |
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return sess.Commit() |
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} |
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// .___ .____ ___. .__
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// | | ______ ________ __ ____ | | _____ \_ |__ ____ | |
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// | |/ ___// ___/ | \_/ __ \| | \__ \ | __ \_/ __ \| |
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// | |\___ \ \___ \| | /\ ___/| |___ / __ \| \_\ \ ___/| |__
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// |___/____ >____ >____/ \___ >_______ (____ /___ /\___ >____/
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// \/ \/ \/ \/ \/ \/ \/
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// IssueLabel represetns an issue-lable relation.
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type IssueLabel struct { |
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ID int64 `xorm:"pk autoincr"` |
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IssueID int64 `xorm:"UNIQUE(s)"` |
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LabelID int64 `xorm:"UNIQUE(s)"` |
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} |
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func hasIssueLabel(e Engine, issueID, labelID int64) bool { |
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has, _ := e.Where("issue_id=? AND label_id=?", issueID, labelID).Get(new(IssueLabel)) |
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return has |
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} |
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// HasIssueLabel returns true if issue has been labeled.
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func HasIssueLabel(issueID, labelID int64) bool { |
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return hasIssueLabel(x, issueID, labelID) |
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} |
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func newIssueLabel(e *xorm.Session, issue *Issue, label *Label) (err error) { |
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if _, err = e.Insert(&IssueLabel{ |
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IssueID: issue.ID, |
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LabelID: label.ID, |
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}); err != nil { |
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return err |
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} |
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label.NumIssues++ |
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if issue.IsClosed { |
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label.NumClosedIssues++ |
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} |
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return updateLabel(e, label) |
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} |
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// NewIssueLabel creates a new issue-label relation.
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func NewIssueLabel(issue *Issue, label *Label) (err error) { |
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sess := x.NewSession() |
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defer sessionRelease(sess) |
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if err = sess.Begin(); err != nil { |
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return err |
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} |
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if err = newIssueLabel(sess, issue, label); err != nil { |
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return err |
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} |
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return sess.Commit() |
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} |
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func getIssueLabels(e Engine, issueID int64) ([]*IssueLabel, error) { |
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issueLabels := make([]*IssueLabel, 0, 10) |
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return issueLabels, e.Where("issue_id=?", issueID).Asc("label_id").Find(&issueLabels) |
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} |
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// GetIssueLabels returns all issue-label relations of given issue by ID.
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func GetIssueLabels(issueID int64) ([]*IssueLabel, error) { |
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return getIssueLabels(x, issueID) |
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} |
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func deleteIssueLabel(e *xorm.Session, issue *Issue, label *Label) (err error) { |
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if _, err = e.Delete(&IssueLabel{ |
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IssueID: issue.ID, |
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LabelID: label.ID, |
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}); err != nil { |
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return err |
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} |
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label.NumIssues-- |
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if issue.IsClosed { |
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label.NumClosedIssues-- |
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} |
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return updateLabel(e, label) |
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} |
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// DeleteIssueLabel deletes issue-label relation.
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func DeleteIssueLabel(issue *Issue, label *Label) (err error) { |
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sess := x.NewSession() |
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defer sessionRelease(sess) |
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if err = sess.Begin(); err != nil { |
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return err |
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} |
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if err = deleteIssueLabel(sess, issue, label); err != nil { |
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return err |
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} |
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return sess.Commit() |
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} |
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