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gitea/models/issues/label.go
Jason Song 1e76a824bc
Refactor and enhance issue indexer to support both searching, filtering and paging (#26012)
Fix #24662.

Replace #24822 and #25708 (although it has been merged)


## Background

In the past, Gitea supported issue searching with a keyword and
conditions in a less efficient way. It worked by searching for issues
with the keyword and obtaining limited IDs (as it is heavy to get all)
on the indexer (bleve/elasticsearch/meilisearch), and then querying with
conditions on the database to find a subset of the found IDs. This is
why the results could be incomplete.

To solve this issue, we need to store all fields that could be used as
conditions in the indexer and support both keyword and additional
conditions when searching with the indexer.

## Major changes

- Redefine `IndexerData` to include all fields that could be used as
filter conditions.
- Refactor `Search(ctx context.Context, kw string, repoIDs []int64,
limit, start int, state string)` to `Search(ctx context.Context, options
*SearchOptions)`, so it supports more conditions now.
- Change the data type stored in `issueIndexerQueue`. Use
`IndexerMetadata` instead of `IndexerData` in case the data has been
updated while it is in the queue. This also reduces the storage size of
the queue.
- Enhance searching with Bleve/Elasticsearch/Meilisearch, make them
fully support `SearchOptions`. Also, update the data versions.
- Keep most logic of database indexer, but remove
`issues.SearchIssueIDsByKeyword` in `models` to avoid confusion where is
the entry point to search issues.
- Start a Meilisearch instance to test it in unit tests.
- Add unit tests with almost full coverage to test
Bleve/Elasticsearch/Meilisearch indexer.

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2023-07-31 06:28:53 +00:00

512 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:"-"`
}
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
}
// 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
}
// 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(labels ...*Label) error {
ctx, committer, err := db.TxContext(db.DefaultContext)
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(l *Label) error {
color, err := label.NormalizeColor(l.Color)
if err != nil {
return err
}
l.Color = color
return updateLabelCols(db.DefaultContext, l, "name", "description", "color", "exclusive")
}
// DeleteLabel delete a label
func DeleteLabel(id, labelID int64) error {
l, err := GetLabelByID(db.DefaultContext, labelID)
if err != nil {
if IsErrLabelNotExist(err) {
return nil
}
return err
}
ctx, committer, err := db.TxContext(db.DefaultContext)
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(labelIDs []int64, cols ...string) ([]*Label, error) {
labels := make([]*Label, 0, len(labelIDs))
return labels, db.GetEngine(db.DefaultContext).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(repoID int64, labelNames []string) ([]int64, error) {
labelIDs := make([]int64, 0, len(labelNames))
return labelIDs, db.GetEngine(db.DefaultContext).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(repoID int64) (int64, error) {
return db.GetEngine(db.DefaultContext).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(orgID int64, labelNames []string) ([]int64, error) {
if orgID <= 0 {
return nil, ErrOrgLabelNotExist{0, orgID}
}
labelIDs := make([]int64, 0, len(labelNames))
return labelIDs, db.GetEngine(db.DefaultContext).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(orgID int64) (int64, error) {
return db.GetEngine(db.DefaultContext).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
}