Refactor issue label selection (#31497)

Follow #26460
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wxiaoguang 2024-06-27 07:41:59 +08:00 committed by GitHub
parent a88f718c10
commit 00fc29aee1
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2 changed files with 26 additions and 30 deletions

View File

@ -118,29 +118,29 @@ func applyLabelsCondition(sess *xorm.Session, opts *IssuesOptions) {
if opts.LabelIDs[0] == 0 {
sess.Where("issue.id NOT IN (SELECT issue_id FROM issue_label)")
} else {
// We sort and deduplicate the labels' ids
IncludedLabelIDs := make(container.Set[int64])
ExcludedLabelIDs := make(container.Set[int64])
// deduplicate the label IDs for inclusion and exclusion
includedLabelIDs := make(container.Set[int64])
excludedLabelIDs := make(container.Set[int64])
for _, labelID := range opts.LabelIDs {
if labelID > 0 {
IncludedLabelIDs.Add(labelID)
includedLabelIDs.Add(labelID)
} else if labelID < 0 { // 0 is not supported here, so just ignore it
ExcludedLabelIDs.Add(-labelID)
excludedLabelIDs.Add(-labelID)
}
}
// ... and use them in a subquery of the form :
// where (select count(*) from issue_label where issue_id=issue.id and label_id in (2, 4, 6)) = 3
// This equality is guaranteed thanks to unique index (issue_id,label_id) on table issue_label.
if len(IncludedLabelIDs) > 0 {
subquery := builder.Select("count(*)").From("issue_label").Where(builder.Expr("issue_id = issue.id")).
And(builder.In("label_id", IncludedLabelIDs.Values()))
sess.Where(builder.Eq{strconv.Itoa(len(IncludedLabelIDs)): subquery})
if len(includedLabelIDs) > 0 {
subQuery := builder.Select("count(*)").From("issue_label").Where(builder.Expr("issue_id = issue.id")).
And(builder.In("label_id", includedLabelIDs.Values()))
sess.Where(builder.Eq{strconv.Itoa(len(includedLabelIDs)): subQuery})
}
// or (select count(*)...) = 0 for excluded labels
if len(ExcludedLabelIDs) > 0 {
subquery := builder.Select("count(*)").From("issue_label").Where(builder.Expr("issue_id = issue.id")).
And(builder.In("label_id", ExcludedLabelIDs.Values()))
sess.Where(builder.Eq{"0": subquery})
if len(excludedLabelIDs) > 0 {
subQuery := builder.Select("count(*)").From("issue_label").Where(builder.Expr("issue_id = issue.id")).
And(builder.In("label_id", excludedLabelIDs.Values()))
sess.Where(builder.Eq{"0": subQuery})
}
}
}

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@ -12,6 +12,7 @@ import (
"strings"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/label"
"code.gitea.io/gitea/modules/optional"
"code.gitea.io/gitea/modules/timeutil"
@ -143,37 +144,32 @@ func (l *Label) CalOpenOrgIssues(ctx context.Context, repoID, labelID int64) {
// LoadSelectedLabelsAfterClick calculates the set of selected labels when a label is clicked
func (l *Label) LoadSelectedLabelsAfterClick(currentSelectedLabels []int64, currentSelectedExclusiveScopes []string) {
labelQuerySlice := []int64{}
labelQueryParams := container.Set[string]{}
labelSelected := false
labelScope := l.ExclusiveScope()
for i, s := range currentSelectedLabels {
if s == l.ID {
exclusiveScope := l.ExclusiveScope()
for i, curSel := range currentSelectedLabels {
if curSel == l.ID {
labelSelected = true
} else if -s == l.ID {
} else if -curSel == l.ID {
labelSelected = true
l.IsExcluded = true
} else if s != 0 {
} else if curSel != 0 {
// Exclude other labels in the same scope from selection
if s < 0 || labelScope == "" || labelScope != currentSelectedExclusiveScopes[i] {
labelQuerySlice = append(labelQuerySlice, s)
if curSel < 0 || exclusiveScope == "" || exclusiveScope != currentSelectedExclusiveScopes[i] {
labelQueryParams.Add(strconv.FormatInt(curSel, 10))
}
}
}
if !labelSelected {
labelQuerySlice = append(labelQuerySlice, l.ID)
labelQueryParams.Add(strconv.FormatInt(l.ID, 10))
}
l.IsSelected = labelSelected
// Sort and deduplicate the ids to avoid the crawlers asking for the
// same thing with simply a different order of parameters
slices.Sort(labelQuerySlice)
labelQuerySlice = slices.Compact(labelQuerySlice)
// Quick conversion (strings.Join() doesn't accept slices of Int64)
labelQuerySliceStrings := make([]string, len(labelQuerySlice))
for i, x := range labelQuerySlice {
labelQuerySliceStrings[i] = strconv.FormatInt(x, 10)
}
labelQuerySliceStrings := labelQueryParams.Values()
slices.Sort(labelQuerySliceStrings) // the sort is still needed because the underlying map of Set doesn't guarantee order
l.QueryString = strings.Join(labelQuerySliceStrings, ",")
}
@ -187,7 +183,7 @@ func (l *Label) BelongsToRepo() bool {
return l.RepoID > 0
}
// Return scope substring of label name, or empty string if none exists
// ExclusiveScope returns scope substring of label name, or empty string if none exists
func (l *Label) ExclusiveScope() string {
if !l.Exclusive {
return ""