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Add container.FilterSlice function (gitea#30339)

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Many places have the following logic:
```go
func (jobs ActionJobList) GetRunIDs() []int64 {
	ids := make(container.Set[int64], len(jobs))
	for _, j := range jobs {
		if j.RunID == 0 {
			continue
		}
		ids.Add(j.RunID)
	}
	return ids.Values()
}
```

this introduces a `container.FilterMapUnique` function, which reduces
the code above to:
```go
func (jobs ActionJobList) GetRunIDs() []int64 {
	return container.FilterMapUnique(jobs, func(j *ActionRunJob) (int64, bool) {
		return j.RunID, j.RunID != 0
	})
}
```
Conflicts:
models/issues/comment_list.go due to premature refactor in #3116
This commit is contained in:
oliverpool 2024-04-09 14:27:30 +02:00 • committed by oliverpool
parent 5a10eec50f
commit 525accfae6
16 changed files with 150 additions and 182 deletions
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11
models/actions/run_job_list.go
View file

@ -16,14 +16,9 @@ import (
type ActionJobList []*ActionRunJob
func (jobs ActionJobList) GetRunIDs() []int64 {
ids := make(container.Set[int64], len(jobs))
for _, j := range jobs {
if j.RunID == 0 {
continue
}
ids.Add(j.RunID)
}
return ids.Values()
return container.FilterSlice(jobs, func(j *ActionRunJob) (int64, bool) {
return j.RunID, j.RunID != 0
})
}
func (jobs ActionJobList) LoadRuns(ctx context.Context, withRepo bool) error {

16
models/actions/run_list.go
View file

@ -19,19 +19,15 @@ type RunList []*ActionRun
// GetUserIDs returns a slice of user's id
func (runs RunList) GetUserIDs() []int64 {
ids := make(container.Set[int64], len(runs))
for _, run := range runs {
ids.Add(run.TriggerUserID)
}
return ids.Values()
return container.FilterSlice(runs, func(run *ActionRun) (int64, bool) {
return run.TriggerUserID, true
})
}
func (runs RunList) GetRepoIDs() []int64 {
ids := make(container.Set[int64], len(runs))
for _, run := range runs {
ids.Add(run.RepoID)
}
return ids.Values()
return container.FilterSlice(runs, func(run *ActionRun) (int64, bool) {
return run.RepoID, true
})
}
func (runs RunList) LoadTriggerUser(ctx context.Context) error {

11
models/actions/runner_list.go
View file

@ -16,14 +16,9 @@ type RunnerList []*ActionRunner
// GetUserIDs returns a slice of user's id
func (runners RunnerList) GetUserIDs() []int64 {
ids := make(container.Set[int64], len(runners))
for _, runner := range runners {
if runner.OwnerID == 0 {
continue
}
ids.Add(runner.OwnerID)
}
return ids.Values()
return container.FilterSlice(runners, func(runner *ActionRunner) (int64, bool) {
return runner.OwnerID, runner.OwnerID != 0
})
}
func (runners RunnerList) LoadOwners(ctx context.Context) error {

16
models/actions/schedule_list.go
View file

@ -18,19 +18,15 @@ type ScheduleList []*ActionSchedule
// GetUserIDs returns a slice of user's id
func (schedules ScheduleList) GetUserIDs() []int64 {
ids := make(container.Set[int64], len(schedules))
for _, schedule := range schedules {
ids.Add(schedule.TriggerUserID)
}
return ids.Values()
return container.FilterSlice(schedules, func(schedule *ActionSchedule) (int64, bool) {
return schedule.TriggerUserID, true
})
}
func (schedules ScheduleList) GetRepoIDs() []int64 {
ids := make(container.Set[int64], len(schedules))
for _, schedule := range schedules {
ids.Add(schedule.RepoID)
}
return ids.Values()
return container.FilterSlice(schedules, func(schedule *ActionSchedule) (int64, bool) {
return schedule.RepoID, true
})
}
func (schedules ScheduleList) LoadTriggerUser(ctx context.Context) error {

16
models/actions/schedule_spec_list.go
View file

@ -16,11 +16,9 @@ import (
type SpecList []*ActionScheduleSpec
func (specs SpecList) GetScheduleIDs() []int64 {
ids := make(container.Set[int64], len(specs))
for _, spec := range specs {
ids.Add(spec.ScheduleID)
}
return ids.Values()
return container.FilterSlice(specs, func(spec *ActionScheduleSpec) (int64, bool) {
return spec.ScheduleID, true
})
}
func (specs SpecList) LoadSchedules(ctx context.Context) error {
@ -46,11 +44,9 @@ func (specs SpecList) LoadSchedules(ctx context.Context) error {
}
func (specs SpecList) GetRepoIDs() []int64 {
ids := make(container.Set[int64], len(specs))
for _, spec := range specs {
ids.Add(spec.RepoID)
}
return ids.Values()
return container.FilterSlice(specs, func(spec *ActionScheduleSpec) (int64, bool) {
return spec.RepoID, true
})
}
func (specs SpecList) LoadRepos(ctx context.Context) error {

11
models/actions/task_list.go
View file

@ -16,14 +16,9 @@ import (
type TaskList []*ActionTask
func (tasks TaskList) GetJobIDs() []int64 {
ids := make(container.Set[int64], len(tasks))
for _, t := range tasks {
if t.JobID == 0 {
continue
}
ids.Add(t.JobID)
}
return ids.Values()
return container.FilterSlice(tasks, func(t *ActionTask) (int64, bool) {
return t.JobID, t.JobID != 0
})
}
func (tasks TaskList) LoadJobs(ctx context.Context) error {

30
models/activities/action_list.go
View file

@ -22,11 +22,9 @@ import (
type ActionList []*Action
func (actions ActionList) getUserIDs() []int64 {
userIDs := make(container.Set[int64], len(actions))
for _, action := range actions {
userIDs.Add(action.ActUserID)
}
return userIDs.Values()
return container.FilterSlice(actions, func(action *Action) (int64, bool) {
return action.ActUserID, true
})
}
func (actions ActionList) LoadActUsers(ctx context.Context) (map[int64]*user_model.User, error) {
@ -50,11 +48,9 @@ func (actions ActionList) LoadActUsers(ctx context.Context) (map[int64]*user_mod
}
func (actions ActionList) getRepoIDs() []int64 {
repoIDs := make(container.Set[int64], len(actions))
for _, action := range actions {
repoIDs.Add(action.RepoID)
}
return repoIDs.Values()
return container.FilterSlice(actions, func(action *Action) (int64, bool) {
return action.RepoID, true
})
}
func (actions ActionList) LoadRepositories(ctx context.Context) error {
@ -80,18 +76,16 @@ func (actions ActionList) loadRepoOwner(ctx context.Context, userMap map[int64]*
userMap = make(map[int64]*user_model.User)
}
userSet := make(container.Set[int64], len(actions))
for _, action := range actions {
missingUserIDs := container.FilterSlice(actions, func(action *Action) (int64, bool) {
if action.Repo == nil {
continue
return 0, false
}
if _, ok := userMap[action.Repo.OwnerID]; !ok {
userSet.Add(action.Repo.OwnerID)
}
}
_, alreadyLoaded := userMap[action.Repo.OwnerID]
return action.Repo.OwnerID, !alreadyLoaded
})
if err := db.GetEngine(ctx).
In("id", userSet.Values()).
In("id", missingUserIDs).
Find(&userMap); err != nil {
return fmt.Errorf("find user: %w", err)
}

26
models/git/branch_list.go
View file

@ -17,15 +17,12 @@ import (
type BranchList []*Branch
func (branches BranchList) LoadDeletedBy(ctx context.Context) error {
ids := container.Set[int64]{}
for _, branch := range branches {
if !branch.IsDeleted {
continue
}
ids.Add(branch.DeletedByID)
}
ids := container.FilterSlice(branches, func(branch *Branch) (int64, bool) {
return branch.DeletedByID, branch.IsDeleted
})
usersMap := make(map[int64]*user_model.User, len(ids))
if err := db.GetEngine(ctx).In("id", ids.Values()).Find(&usersMap); err != nil {
if err := db.GetEngine(ctx).In("id", ids).Find(&usersMap); err != nil {
return err
}
for _, branch := range branches {
@ -41,14 +38,13 @@ func (branches BranchList) LoadDeletedBy(ctx context.Context) error {
}
func (branches BranchList) LoadPusher(ctx context.Context) error {
ids := container.Set[int64]{}
for _, branch := range branches {
if branch.PusherID > 0 { // pusher_id maybe zero because some branches are sync by backend with no pusher
ids.Add(branch.PusherID)
}
}
ids := container.FilterSlice(branches, func(branch *Branch) (int64, bool) {
// pusher_id maybe zero because some branches are sync by backend with no pusher
return branch.PusherID, branch.PusherID > 0
})
usersMap := make(map[int64]*user_model.User, len(ids))
if err := db.GetEngine(ctx).In("id", ids.Values()).Find(&usersMap); err != nil {
if err := db.GetEngine(ctx).In("id", ids).Find(&usersMap); err != nil {
return err
}
for _, branch := range branches {

9
models/issues/comment.go
View file

@ -1289,10 +1289,9 @@ func InsertIssueComments(ctx context.Context, comments []*Comment) error {
return nil
}
issueIDs := make(container.Set[int64])
for _, comment := range comments {
issueIDs.Add(comment.IssueID)
}
issueIDs := container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.IssueID, true
})
ctx, committer, err := db.TxContext(ctx)
if err != nil {
@ -1315,7 +1314,7 @@ func InsertIssueComments(ctx context.Context, comments []*Comment) error {
}
}
for issueID := range issueIDs {
for _, issueID := range issueIDs {
if _, err := db.Exec(ctx, "UPDATE issue set num_comments = (SELECT count(*) FROM comment WHERE issue_id = ? AND `type`=?) WHERE id = ?",
issueID, CommentTypeComment, issueID); err != nil {
return err

93
models/issues/comment_list.go
View file

@ -17,13 +17,9 @@ import (
type CommentList []*Comment
func (comments CommentList) getPosterIDs() []int64 {
posterIDs := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.PosterID > 0 {
posterIDs.Add(comment.PosterID)
}
}
return posterIDs.Values()
return container.FilterSlice(comments, func(c *Comment) (int64, bool) {
return c.PosterID, c.PosterID > 0
})
}
// LoadPosters loads posters
@ -44,13 +40,9 @@ func (comments CommentList) LoadPosters(ctx context.Context) error {
}
func (comments CommentList) getLabelIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.LabelID > 0 {
ids.Add(comment.LabelID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.LabelID, comment.LabelID > 0
})
}
func (comments CommentList) loadLabels(ctx context.Context) error {
@ -94,13 +86,9 @@ func (comments CommentList) loadLabels(ctx context.Context) error {
}
func (comments CommentList) getMilestoneIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.MilestoneID > 0 {
ids.Add(comment.MilestoneID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.MilestoneID, comment.MilestoneID > 0
})
}
func (comments CommentList) loadMilestones(ctx context.Context) error {
@ -137,13 +125,9 @@ func (comments CommentList) loadMilestones(ctx context.Context) error {
}
func (comments CommentList) getOldMilestoneIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.OldMilestoneID > 0 {
ids.Add(comment.OldMilestoneID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.OldMilestoneID, comment.OldMilestoneID > 0
})
}
func (comments CommentList) loadOldMilestones(ctx context.Context) error {
@ -180,13 +164,9 @@ func (comments CommentList) loadOldMilestones(ctx context.Context) error {
}
func (comments CommentList) getAssigneeIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.AssigneeID > 0 {
ids.Add(comment.AssigneeID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.AssigneeID, comment.AssigneeID > 0
})
}
func (comments CommentList) loadAssignees(ctx context.Context) error {
@ -237,14 +217,9 @@ func (comments CommentList) loadAssignees(ctx context.Context) error {
// getIssueIDs returns all the issue ids on this comment list which issue hasn't been loaded
func (comments CommentList) getIssueIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.Issue != nil {
continue
}
ids.Add(comment.IssueID)
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.IssueID, comment.Issue == nil
})
}
// Issues returns all the issues of comments
@ -311,16 +286,12 @@ func (comments CommentList) LoadIssues(ctx context.Context) error {
}
func (comments CommentList) getDependentIssueIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
if comment.DependentIssue != nil {
continue
return 0, false
}
if comment.DependentIssueID > 0 {
ids.Add(comment.DependentIssueID)
}
}
return ids.Values()
return comment.DependentIssueID, comment.DependentIssueID > 0
})
}
func (comments CommentList) loadDependentIssues(ctx context.Context) error {
@ -375,13 +346,9 @@ func (comments CommentList) loadDependentIssues(ctx context.Context) error {
// getAttachmentCommentIDs only return the comment ids which possibly has attachments
func (comments CommentList) getAttachmentCommentIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.Type.HasAttachmentSupport() {
ids.Add(comment.ID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.ID, comment.Type.HasAttachmentSupport()
})
}
// LoadAttachmentsByIssue loads attachments by issue id
@ -449,13 +416,9 @@ func (comments CommentList) LoadAttachments(ctx context.Context) (err error) {
}
func (comments CommentList) getReviewIDs() []int64 {
ids := make(container.Set[int64], len(comments))
for _, comment := range comments {
if comment.ReviewID > 0 {
ids.Add(comment.ReviewID)
}
}
return ids.Values()
return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
return comment.ReviewID, comment.ReviewID > 0
})
}
func (comments CommentList) loadReviews(ctx context.Context) error {

16
models/issues/issue_list.go
View file

@ -74,11 +74,9 @@ func (issues IssueList) LoadRepositories(ctx context.Context) (repo_model.Reposi
}
func (issues IssueList) getPosterIDs() []int64 {
posterIDs := make(container.Set[int64], len(issues))
for _, issue := range issues {
posterIDs.Add(issue.PosterID)
}
return posterIDs.Values()
return container.FilterSlice(issues, func(issue *Issue) (int64, bool) {
return issue.PosterID, true
})
}
func (issues IssueList) loadPosters(ctx context.Context) error {
@ -193,11 +191,9 @@ func (issues IssueList) loadLabels(ctx context.Context) error {
}
func (issues IssueList) getMilestoneIDs() []int64 {
ids := make(container.Set[int64], len(issues))
for _, issue := range issues {
ids.Add(issue.MilestoneID)
}
return ids.Values()
return container.FilterSlice(issues, func(issue *Issue) (int64, bool) {
return issue.MilestoneID, true
})
}
func (issues IssueList) loadMilestones(ctx context.Context) error {

10
models/issues/reaction.go
View file

@ -305,14 +305,12 @@ func (list ReactionList) GroupByType() map[string]ReactionList {
}
func (list ReactionList) getUserIDs() []int64 {
userIDs := make(container.Set[int64], len(list))
for _, reaction := range list {
return container.FilterSlice(list, func(reaction *Reaction) (int64, bool) {
if reaction.OriginalAuthor != "" {
continue
return 0, false
}
userIDs.Add(reaction.UserID)
}
return userIDs.Values()
return reaction.UserID, true
})
}
func valuesUser(m map[int64]*user_model.User) []*user_model.User {

9
models/issues/review_list.go
View file

@ -38,12 +38,11 @@ func (reviews ReviewList) LoadReviewers(ctx context.Context) error {
}
func (reviews ReviewList) LoadIssues(ctx context.Context) error {
issueIDs := container.Set[int64]{}
for i := 0; i < len(reviews); i++ {
issueIDs.Add(reviews[i].IssueID)
}
issueIDs := container.FilterSlice(reviews, func(review *Review) (int64, bool) {
return review.IssueID, true
})
issues, err := GetIssuesByIDs(ctx, issueIDs.Values())
issues, err := GetIssuesByIDs(ctx, issueIDs)
if err != nil {
return err
}

9
models/repo/repo_list.go
View file

@ -104,18 +104,19 @@ func (repos RepositoryList) LoadAttributes(ctx context.Context) error {
return nil
}
set := make(container.Set[int64])
userIDs := container.FilterSlice(repos, func(repo *Repository) (int64, bool) {
return repo.OwnerID, true
})
repoIDs := make([]int64, len(repos))
for i := range repos {
set.Add(repos[i].OwnerID)
repoIDs[i] = repos[i].ID
}
// Load owners.
users := make(map[int64]*user_model.User, len(set))
users := make(map[int64]*user_model.User, len(userIDs))
if err := db.GetEngine(ctx).
Where("id > 0").
In("id", set.Values()).
In("id", userIDs).
Find(&users); err != nil {
return fmt.Errorf("find users: %w", err)
}

21
modules/container/filter.go Normal file
View file

@ -0,0 +1,21 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package container
import "slices"
// FilterSlice ranges over the slice and calls include() for each element.
// If the second returned value is true, the first returned value will be included in the resulting
// slice (after deduplication).
func FilterSlice[E any, T comparable](s []E, include func(E) (T, bool)) []T {
filtered := make([]T, 0, len(s)) // slice will be clipped before returning
seen := make(map[T]bool, len(s))
for i := range s {
if v, ok := include(s[i]); ok && !seen[v] {
filtered = append(filtered, v)
seen[v] = true
}
}
return slices.Clip(filtered)
}

28
modules/container/filter_test.go Normal file
View file

@ -0,0 +1,28 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package container
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestFilterMapUnique(t *testing.T) {
result := FilterSlice([]int{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
}, func(i int) (int, bool) {
switch i {
case 0:
return 0, true // included later
case 1:
return 0, true // duplicate of previous (should be ignored)
case 2:
return 2, false // not included
default:
return i, true
}
})
assert.Equal(t, []int{0, 3, 4, 5, 6, 7, 8, 9}, result)
}