298 lines
7.6 KiB
Go
298 lines
7.6 KiB
Go
// 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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api "github.com/gogits/go-gogs-client"
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"github.com/gogits/gogs/modules/base"
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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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func (label *Label) APIFormat() *api.Label {
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return &api.Label{
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ID: label.ID,
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Name: label.Name,
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Color: label.Color,
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}
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}
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// CalOpenIssues calculates the open issues of label.
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func (label *Label) CalOpenIssues() {
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label.NumOpenIssues = label.NumIssues - label.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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// getLabelInRepoByID returns a label by ID in given repository.
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// If pass repoID as 0, then ORM will ignore limitation of repository
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// and can return arbitrary label with any valid ID.
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func getLabelInRepoByID(e Engine, repoID, labelID int64) (*Label, error) {
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if labelID <= 0 {
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return nil, ErrLabelNotExist{labelID, repoID}
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}
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l := &Label{
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ID: labelID,
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RepoID: repoID,
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}
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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, l.RepoID}
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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 getLabelInRepoByID(x, 0, id)
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}
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// GetLabelInRepoByID returns a label by ID in given repository.
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func GetLabelInRepoByID(repoID, labelID int64) (*Label, error) {
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return getLabelInRepoByID(x, repoID, labelID)
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}
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// GetLabelsInRepoByIDs returns a list of labels by IDs in given repository,
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// it silently ignores label IDs that are not belong to the repository.
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func GetLabelsInRepoByIDs(repoID int64, labelIDs []int64) ([]*Label, error) {
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labels := make([]*Label, 0, len(labelIDs))
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return labels, x.Where("repo_id = ?", repoID).In("id", base.Int64sToStrings(labelIDs)).Asc("name").Find(&labels)
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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).Asc("name").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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} else if len(issueLabels) == 0 {
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return []*Label{}, nil
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}
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labelIDs := make([]int64, len(issueLabels))
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for i := range issueLabels {
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labelIDs[i] = issueLabels[i].LabelID
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}
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labels := make([]*Label, 0, len(labelIDs))
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return labels, e.Where("id > 0").In("id", base.Int64sToStrings(labelIDs)).Asc("name").Find(&labels)
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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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_, err := GetLabelInRepoByID(repoID, 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 = sess.Id(labelID).Delete(new(Label)); err != nil {
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return err
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} else if _, err = sess.Where("label_id = ?", labelID).Delete(new(IssueLabel)); 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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if HasIssueLabel(issue.ID, label.ID) {
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return nil
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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 = 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 newIssueLabels(e *xorm.Session, issue *Issue, labels []*Label) (err error) {
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for i := range labels {
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if hasIssueLabel(e, issue.ID, labels[i].ID) {
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continue
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}
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if err = newIssueLabel(e, issue, labels[i]); err != nil {
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return fmt.Errorf("newIssueLabel: %v", err)
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}
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}
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return nil
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}
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// NewIssueLabels creates a list of issue-label relations.
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func NewIssueLabels(issue *Issue, labels []*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 = newIssueLabels(sess, issue, labels); 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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