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forgejo/models/issue_label.go
2018-10-20 17:25:14 -04:00

416 lines
10 KiB
Go

// 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"
"regexp"
"strconv"
"strings"
"github.com/go-xorm/xorm"
api "code.gitea.io/sdk/gitea"
)
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 and optionally description.
func GetLabelTemplateFile(name string) ([][3]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([][3]string, 0, len(lines))
for i := 0; i < len(lines); i++ {
line := strings.TrimSpace(lines[i])
if len(line) == 0 {
continue
}
parts := strings.SplitN(line, ";", 2)
fields := strings.SplitN(parts[0], " ", 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)
}
var description string
if len(parts) > 1 {
description = strings.TrimSpace(parts[1])
}
fields[1] = strings.TrimSpace(fields[1])
list = append(list, [3]string{fields[1], fields[0], description})
}
return list, nil
}
// Label represents a label of repository for issues.
type Label struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"INDEX"`
Name string
Description string
Color string `xorm:"VARCHAR(7)"`
NumIssues int
NumClosedIssues int
NumOpenIssues int `xorm:"-"`
IsChecked bool `xorm:"-"`
}
// APIFormat converts a Label to the api.Label format
func (label *Label) APIFormat() *api.Label {
return &api.Label{
ID: label.ID,
Name: label.Name,
Color: strings.TrimLeft(label.Color, "#"),
}
}
// CalOpenIssues calculates the open issues of label.
func (label *Label) CalOpenIssues() {
label.NumOpenIssues = label.NumIssues - label.NumClosedIssues
}
// ForegroundColor calculates the text color for labels based
// on their background color.
func (label *Label) ForegroundColor() template.CSS {
if strings.HasPrefix(label.Color, "#") {
if color, err := strconv.ParseUint(label.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 < 0.66 {
return template.CSS("#fff")
}
}
}
// default to black
return template.CSS("#000")
}
func newLabel(e Engine, label *Label) error {
_, err := e.Insert(label)
return err
}
// NewLabel creates a new label for a repository
func NewLabel(label *Label) error {
return newLabel(x, label)
}
// NewLabels creates new labels for a repository.
func NewLabels(labels ...*Label) error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
for _, label := range labels {
if err := newLabel(sess, label); err != nil {
return err
}
}
return sess.Commit()
}
// getLabelInRepoByName returns a label by Name 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 getLabelInRepoByName(e Engine, repoID int64, labelName string) (*Label, error) {
if len(labelName) == 0 {
return nil, ErrLabelNotExist{0, repoID}
}
l := &Label{
Name: labelName,
RepoID: repoID,
}
has, err := e.Get(l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLabelNotExist{0, l.RepoID}
}
return l, nil
}
// 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}
}
l := &Label{
ID: labelID,
RepoID: repoID,
}
has, err := e.Get(l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLabelNotExist{l.ID, l.RepoID}
}
return l, nil
}
// GetLabelByID returns a label by given ID.
func GetLabelByID(id int64) (*Label, error) {
return getLabelInRepoByID(x, 0, id)
}
// GetLabelInRepoByName returns a label by name in given repository.
func GetLabelInRepoByName(repoID int64, labelName string) (*Label, error) {
return getLabelInRepoByName(x, repoID, labelName)
}
// 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", labelIDs).
Asc("name").
Find(&labels)
}
// GetLabelsByRepoID returns all labels that belong to given repository by ID.
func GetLabelsByRepoID(repoID int64, sortType string) ([]*Label, error) {
labels := make([]*Label, 0, 10)
sess := x.Where("repo_id = ?", repoID)
switch sortType {
case "reversealphabetically":
sess.Desc("name")
case "leastissues":
sess.Asc("num_issues")
case "mostissues":
sess.Desc("num_issues")
default:
sess.Asc("name")
}
return labels, sess.Find(&labels)
}
func getLabelsByIssueID(e Engine, issueID int64) ([]*Label, error) {
var labels []*Label
return labels, e.Where("issue_label.issue_id = ?", issueID).
Join("LEFT", "issue_label", "issue_label.label_id = label.id").
Asc("label.name").
Find(&labels)
}
// 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)
if err != nil {
if IsErrLabelNotExist(err) {
return nil
}
return err
}
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if _, err = sess.ID(labelID).Delete(new(Label)); err != nil {
return err
} else if _, err = sess.
Where("label_id = ?", labelID).
Delete(new(IssueLabel)); err != nil {
return err
}
// Clear label id in comment table
if _, err = sess.Where("label_id = ?", labelID).Cols("label_id").Update(&Comment{}); err != nil {
return err
}
return sess.Commit()
}
// .___ .____ ___. .__
// | | ______ ________ __ ____ | | _____ \_ |__ ____ | |
// | |/ ___// ___/ | \_/ __ \| | \__ \ | __ \_/ __ \| |
// | |\___ \ \___ \| | /\ ___/| |___ / __ \| \_\ \ ___/| |__
// |___/____ >____ >____/ \___ >_______ (____ /___ /\___ >____/
// \/ \/ \/ \/ \/ \/ \/
// IssueLabel represents an issue-label 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, doer *User) (err error) {
if _, err = e.Insert(&IssueLabel{
IssueID: issue.ID,
LabelID: label.ID,
}); err != nil {
return err
}
if err = issue.loadRepo(e); err != nil {
return
}
if _, err = createLabelComment(e, doer, issue.Repo, issue, label, true); 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, doer *User) (err error) {
if HasIssueLabel(issue.ID, label.ID) {
return nil
}
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if err = newIssueLabel(sess, issue, label, doer); err != nil {
return err
}
return sess.Commit()
}
func newIssueLabels(e *xorm.Session, issue *Issue, labels []*Label, doer *User) (err error) {
for i := range labels {
if hasIssueLabel(e, issue.ID, labels[i].ID) {
continue
}
if err = newIssueLabel(e, issue, labels[i], doer); err != nil {
return fmt.Errorf("newIssueLabel: %v", err)
}
}
return nil
}
// NewIssueLabels creates a list of issue-label relations.
func NewIssueLabels(issue *Issue, labels []*Label, doer *User) (err error) {
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if err = newIssueLabels(sess, issue, labels, doer); 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)
}
func deleteIssueLabel(e *xorm.Session, issue *Issue, label *Label, doer *User) (err error) {
if count, err := e.Delete(&IssueLabel{
IssueID: issue.ID,
LabelID: label.ID,
}); err != nil {
return err
} else if count == 0 {
return nil
}
if err = issue.loadRepo(e); err != nil {
return
}
if _, err = createLabelComment(e, doer, issue.Repo, issue, label, false); 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, doer *User) (err error) {
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if err = deleteIssueLabel(sess, issue, label, doer); err != nil {
return err
}
return sess.Commit()
}