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forgejo/models/issues/label.go
2023-09-16 14:39:12 +00:00

529 lines
14 KiB
Go

// Copyright 2016 The Gogs Authors. All rights reserved.
// Copyright 2020 The Gitea Authors.
// SPDX-License-Identifier: MIT
package issues
import (
"context"
"fmt"
"strconv"
"strings"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/label"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"xorm.io/builder"
)
// ErrRepoLabelNotExist represents a "RepoLabelNotExist" kind of error.
type ErrRepoLabelNotExist struct {
LabelID int64
RepoID int64
}
// IsErrRepoLabelNotExist checks if an error is a RepoErrLabelNotExist.
func IsErrRepoLabelNotExist(err error) bool {
_, ok := err.(ErrRepoLabelNotExist)
return ok
}
func (err ErrRepoLabelNotExist) Error() string {
return fmt.Sprintf("label does not exist [label_id: %d, repo_id: %d]", err.LabelID, err.RepoID)
}
func (err ErrRepoLabelNotExist) Unwrap() error {
return util.ErrNotExist
}
// ErrOrgLabelNotExist represents a "OrgLabelNotExist" kind of error.
type ErrOrgLabelNotExist struct {
LabelID int64
OrgID int64
}
// IsErrOrgLabelNotExist checks if an error is a OrgErrLabelNotExist.
func IsErrOrgLabelNotExist(err error) bool {
_, ok := err.(ErrOrgLabelNotExist)
return ok
}
func (err ErrOrgLabelNotExist) Error() string {
return fmt.Sprintf("label does not exist [label_id: %d, org_id: %d]", err.LabelID, err.OrgID)
}
func (err ErrOrgLabelNotExist) Unwrap() error {
return util.ErrNotExist
}
// ErrLabelNotExist represents a "LabelNotExist" kind of error.
type ErrLabelNotExist struct {
LabelID int64
}
// IsErrLabelNotExist checks if an error is a ErrLabelNotExist.
func IsErrLabelNotExist(err error) bool {
_, ok := err.(ErrLabelNotExist)
return ok
}
func (err ErrLabelNotExist) Error() string {
return fmt.Sprintf("label does not exist [label_id: %d]", err.LabelID)
}
func (err ErrLabelNotExist) Unwrap() error {
return util.ErrNotExist
}
// Label represents a label of repository for issues.
type Label struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"INDEX"`
OrgID int64 `xorm:"INDEX"`
Name string
Exclusive bool
Description string
Color string `xorm:"VARCHAR(7)"`
NumIssues int
NumClosedIssues int
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
NumOpenIssues int `xorm:"-"`
NumOpenRepoIssues int64 `xorm:"-"`
IsChecked bool `xorm:"-"`
QueryString string `xorm:"-"`
IsSelected bool `xorm:"-"`
IsExcluded bool `xorm:"-"`
ArchivedUnix timeutil.TimeStamp `xorm:"DEFAULT NULL"`
}
func init() {
db.RegisterModel(new(Label))
db.RegisterModel(new(IssueLabel))
}
// CalOpenIssues sets the number of open issues of a label based on the already stored number of closed issues.
func (l *Label) CalOpenIssues() {
l.NumOpenIssues = l.NumIssues - l.NumClosedIssues
}
// SetArchived set the label as archived
func (l *Label) SetArchived(isArchived bool) {
if !isArchived {
l.ArchivedUnix = timeutil.TimeStamp(0)
} else if isArchived && l.ArchivedUnix.IsZero() {
// Only change the date when it is newly archived.
l.ArchivedUnix = timeutil.TimeStampNow()
}
}
// CalOpenOrgIssues calculates the open issues of a label for a specific repo
func (l *Label) CalOpenOrgIssues(ctx context.Context, repoID, labelID int64) {
counts, _ := CountIssuesByRepo(ctx, &IssuesOptions{
RepoIDs: []int64{repoID},
LabelIDs: []int64{labelID},
IsClosed: util.OptionalBoolFalse,
})
for _, count := range counts {
l.NumOpenRepoIssues += count
}
}
// LoadSelectedLabelsAfterClick calculates the set of selected labels when a label is clicked
func (l *Label) LoadSelectedLabelsAfterClick(currentSelectedLabels []int64, currentSelectedExclusiveScopes []string) {
var labelQuerySlice []string
labelSelected := false
labelID := strconv.FormatInt(l.ID, 10)
labelScope := l.ExclusiveScope()
for i, s := range currentSelectedLabels {
if s == l.ID {
labelSelected = true
} else if -s == l.ID {
labelSelected = true
l.IsExcluded = true
} else if s != 0 {
// Exclude other labels in the same scope from selection
if s < 0 || labelScope == "" || labelScope != currentSelectedExclusiveScopes[i] {
labelQuerySlice = append(labelQuerySlice, strconv.FormatInt(s, 10))
}
}
}
if !labelSelected {
labelQuerySlice = append(labelQuerySlice, labelID)
}
l.IsSelected = labelSelected
l.QueryString = strings.Join(labelQuerySlice, ",")
}
// BelongsToOrg returns true if label is an organization label
func (l *Label) BelongsToOrg() bool {
return l.OrgID > 0
}
// IsArchived returns true if label is an archived
func (l *Label) IsArchived() bool {
return l.ArchivedUnix > 0
}
// BelongsToRepo returns true if label is a repository label
func (l *Label) BelongsToRepo() bool {
return l.RepoID > 0
}
// Return scope substring of label name, or empty string if none exists
func (l *Label) ExclusiveScope() string {
if !l.Exclusive {
return ""
}
lastIndex := strings.LastIndex(l.Name, "/")
if lastIndex == -1 || lastIndex == 0 || lastIndex == len(l.Name)-1 {
return ""
}
return l.Name[:lastIndex]
}
// NewLabel creates a new label
func NewLabel(ctx context.Context, l *Label) error {
color, err := label.NormalizeColor(l.Color)
if err != nil {
return err
}
l.Color = color
return db.Insert(ctx, l)
}
// NewLabels creates new labels
func NewLabels(ctx context.Context, labels ...*Label) error {
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
for _, l := range labels {
color, err := label.NormalizeColor(l.Color)
if err != nil {
return err
}
l.Color = color
if err := db.Insert(ctx, l); err != nil {
return err
}
}
return committer.Commit()
}
// UpdateLabel updates label information.
func UpdateLabel(ctx context.Context, l *Label) error {
color, err := label.NormalizeColor(l.Color)
if err != nil {
return err
}
l.Color = color
return updateLabelCols(ctx, l, "name", "description", "color", "exclusive", "archived_unix")
}
// DeleteLabel delete a label
func DeleteLabel(ctx context.Context, id, labelID int64) error {
l, err := GetLabelByID(ctx, labelID)
if err != nil {
if IsErrLabelNotExist(err) {
return nil
}
return err
}
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
sess := db.GetEngine(ctx)
if l.BelongsToOrg() && l.OrgID != id {
return nil
}
if l.BelongsToRepo() && l.RepoID != id {
return nil
}
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
}
// delete comments about now deleted label_id
if _, err = sess.Where("label_id = ?", labelID).Cols("label_id").Delete(&Comment{}); err != nil {
return err
}
return committer.Commit()
}
// GetLabelByID returns a label by given ID.
func GetLabelByID(ctx context.Context, labelID int64) (*Label, error) {
if labelID <= 0 {
return nil, ErrLabelNotExist{labelID}
}
l := &Label{}
has, err := db.GetEngine(ctx).ID(labelID).Get(l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrLabelNotExist{l.ID}
}
return l, nil
}
// GetLabelsByIDs returns a list of labels by IDs
func GetLabelsByIDs(ctx context.Context, labelIDs []int64, cols ...string) ([]*Label, error) {
labels := make([]*Label, 0, len(labelIDs))
return labels, db.GetEngine(ctx).Table("label").
In("id", labelIDs).
Asc("name").
Cols(cols...).
Find(&labels)
}
// GetLabelInRepoByName returns a label by name in given repository.
func GetLabelInRepoByName(ctx context.Context, repoID int64, labelName string) (*Label, error) {
if len(labelName) == 0 || repoID <= 0 {
return nil, ErrRepoLabelNotExist{0, repoID}
}
l := &Label{
Name: labelName,
RepoID: repoID,
}
has, err := db.GetByBean(ctx, l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoLabelNotExist{0, l.RepoID}
}
return l, nil
}
// GetLabelInRepoByID returns a label by ID in given repository.
func GetLabelInRepoByID(ctx context.Context, repoID, labelID int64) (*Label, error) {
if labelID <= 0 || repoID <= 0 {
return nil, ErrRepoLabelNotExist{labelID, repoID}
}
l := &Label{
ID: labelID,
RepoID: repoID,
}
has, err := db.GetByBean(ctx, l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoLabelNotExist{l.ID, l.RepoID}
}
return l, nil
}
// GetLabelIDsInRepoByNames returns a list of labelIDs by names in a given
// repository.
// it silently ignores label names that do not belong to the repository.
func GetLabelIDsInRepoByNames(ctx context.Context, repoID int64, labelNames []string) ([]int64, error) {
labelIDs := make([]int64, 0, len(labelNames))
return labelIDs, db.GetEngine(ctx).Table("label").
Where("repo_id = ?", repoID).
In("name", labelNames).
Asc("name").
Cols("id").
Find(&labelIDs)
}
// BuildLabelNamesIssueIDsCondition returns a builder where get issue ids match label names
func BuildLabelNamesIssueIDsCondition(labelNames []string) *builder.Builder {
return builder.Select("issue_label.issue_id").
From("issue_label").
InnerJoin("label", "label.id = issue_label.label_id").
Where(
builder.In("label.name", labelNames),
).
GroupBy("issue_label.issue_id")
}
// GetLabelsInRepoByIDs returns a list of labels by IDs in given repository,
// it silently ignores label IDs that do not belong to the repository.
func GetLabelsInRepoByIDs(ctx context.Context, repoID int64, labelIDs []int64) ([]*Label, error) {
labels := make([]*Label, 0, len(labelIDs))
return labels, db.GetEngine(ctx).
Where("repo_id = ?", repoID).
In("id", labelIDs).
Asc("name").
Find(&labels)
}
// GetLabelsByRepoID returns all labels that belong to given repository by ID.
func GetLabelsByRepoID(ctx context.Context, repoID int64, sortType string, listOptions db.ListOptions) ([]*Label, error) {
if repoID <= 0 {
return nil, ErrRepoLabelNotExist{0, repoID}
}
labels := make([]*Label, 0, 10)
sess := db.GetEngine(ctx).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")
}
if listOptions.Page != 0 {
sess = db.SetSessionPagination(sess, &listOptions)
}
return labels, sess.Find(&labels)
}
// CountLabelsByRepoID count number of all labels that belong to given repository by ID.
func CountLabelsByRepoID(ctx context.Context, repoID int64) (int64, error) {
return db.GetEngine(ctx).Where("repo_id = ?", repoID).Count(&Label{})
}
// GetLabelInOrgByName returns a label by name in given organization.
func GetLabelInOrgByName(ctx context.Context, orgID int64, labelName string) (*Label, error) {
if len(labelName) == 0 || orgID <= 0 {
return nil, ErrOrgLabelNotExist{0, orgID}
}
l := &Label{
Name: labelName,
OrgID: orgID,
}
has, err := db.GetByBean(ctx, l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrOrgLabelNotExist{0, l.OrgID}
}
return l, nil
}
// GetLabelInOrgByID returns a label by ID in given organization.
func GetLabelInOrgByID(ctx context.Context, orgID, labelID int64) (*Label, error) {
if labelID <= 0 || orgID <= 0 {
return nil, ErrOrgLabelNotExist{labelID, orgID}
}
l := &Label{
ID: labelID,
OrgID: orgID,
}
has, err := db.GetByBean(ctx, l)
if err != nil {
return nil, err
} else if !has {
return nil, ErrOrgLabelNotExist{l.ID, l.OrgID}
}
return l, nil
}
// GetLabelIDsInOrgByNames returns a list of labelIDs by names in a given
// organization.
func GetLabelIDsInOrgByNames(ctx context.Context, orgID int64, labelNames []string) ([]int64, error) {
if orgID <= 0 {
return nil, ErrOrgLabelNotExist{0, orgID}
}
labelIDs := make([]int64, 0, len(labelNames))
return labelIDs, db.GetEngine(ctx).Table("label").
Where("org_id = ?", orgID).
In("name", labelNames).
Asc("name").
Cols("id").
Find(&labelIDs)
}
// GetLabelsInOrgByIDs returns a list of labels by IDs in given organization,
// it silently ignores label IDs that do not belong to the organization.
func GetLabelsInOrgByIDs(ctx context.Context, orgID int64, labelIDs []int64) ([]*Label, error) {
labels := make([]*Label, 0, len(labelIDs))
return labels, db.GetEngine(ctx).
Where("org_id = ?", orgID).
In("id", labelIDs).
Asc("name").
Find(&labels)
}
// GetLabelsByOrgID returns all labels that belong to given organization by ID.
func GetLabelsByOrgID(ctx context.Context, orgID int64, sortType string, listOptions db.ListOptions) ([]*Label, error) {
if orgID <= 0 {
return nil, ErrOrgLabelNotExist{0, orgID}
}
labels := make([]*Label, 0, 10)
sess := db.GetEngine(ctx).Where("org_id = ?", orgID)
switch sortType {
case "reversealphabetically":
sess.Desc("name")
case "leastissues":
sess.Asc("num_issues")
case "mostissues":
sess.Desc("num_issues")
default:
sess.Asc("name")
}
if listOptions.Page != 0 {
sess = db.SetSessionPagination(sess, &listOptions)
}
return labels, sess.Find(&labels)
}
// GetLabelIDsByNames returns a list of labelIDs by names.
// It doesn't filter them by repo or org, so it could return labels belonging to different repos/orgs.
// It's used for filtering issues via indexer, otherwise it would be useless.
// Since it could return labels with the same name, so the length of returned ids could be more than the length of names.
func GetLabelIDsByNames(ctx context.Context, labelNames []string) ([]int64, error) {
labelIDs := make([]int64, 0, len(labelNames))
return labelIDs, db.GetEngine(ctx).Table("label").
In("name", labelNames).
Cols("id").
Find(&labelIDs)
}
// CountLabelsByOrgID count all labels that belong to given organization by ID.
func CountLabelsByOrgID(ctx context.Context, orgID int64) (int64, error) {
return db.GetEngine(ctx).Where("org_id = ?", orgID).Count(&Label{})
}
func updateLabelCols(ctx context.Context, l *Label, cols ...string) error {
_, err := db.GetEngine(ctx).ID(l.ID).
SetExpr("num_issues",
builder.Select("count(*)").From("issue_label").
Where(builder.Eq{"label_id": l.ID}),
).
SetExpr("num_closed_issues",
builder.Select("count(*)").From("issue_label").
InnerJoin("issue", "issue_label.issue_id = issue.id").
Where(builder.Eq{
"issue_label.label_id": l.ID,
"issue.is_closed": true,
}),
).
Cols(cols...).Update(l)
return err
}