feat(project): SSE push updates for project board pages (#7)

This commit was merged in pull request #7.
This commit is contained in:
2026-05-15 22:15:26 +03:00
parent 15acfdb783
commit 9c1699feb5
18 changed files with 1296 additions and 39 deletions
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// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
// Package project_events publishes project board mutations as Server-Sent
// Events so other browser tabs viewing the same board can update their DOM
// in near real time.
//
// Each public Publish* helper marshals a typed payload to JSON, wraps it in
// an *eventsource.Event whose Name is "project-board.{project_id}", and
// fans the event out to every currently connected user that has read
// access to the project. All publish helpers are non-blocking: they spawn
// a goroutine so request handlers do not stall on slow consumers.
package project_events
import (
"context"
"strconv"
access_model "code.gitea.io/gitea/models/perm/access"
project_model "code.gitea.io/gitea/models/project"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/eventsource"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
)
// sessionTagCtxKey is the context key under which the X-Session-Tag value
// from the originating HTTP request is stashed. Publishers read it via
// SessionTagFromContext to attach to outgoing events so the originating
// browser tab can suppress its own echo.
type sessionTagCtxKey struct{}
// WithSessionTag returns ctx decorated with the provided session tag.
// Web/API middleware reads the X-Session-Tag header and calls this so
// service- and model-layer publishers can pull the tag back out.
func WithSessionTag(ctx context.Context, tag string) context.Context {
if tag == "" {
return ctx
}
return context.WithValue(ctx, sessionTagCtxKey{}, tag)
}
// SessionTagFromContext returns the session tag previously stored via
// WithSessionTag, or "" when none was set.
func SessionTagFromContext(ctx context.Context) string {
if v, ok := ctx.Value(sessionTagCtxKey{}).(string); ok {
return v
}
return ""
}
// Event payload structs ------------------------------------------------------
// CardMoved is emitted when an issue is moved between columns or reordered
// within a column.
type CardMoved struct {
ProjectID int64 `json:"project_id"`
IssueID int64 `json:"issue_id"`
FromColumnID int64 `json:"from_column_id"`
ToColumnID int64 `json:"to_column_id"`
Sorting int64 `json:"sorting"`
SessionTag string `json:"session_tag,omitempty"`
}
// CardLinked is emitted when an issue is added to a project's default column.
type CardLinked struct {
ProjectID int64 `json:"project_id"`
IssueID int64 `json:"issue_id"`
ColumnID int64 `json:"column_id"`
SessionTag string `json:"session_tag,omitempty"`
}
// CardUnlinked is emitted when an issue is removed from a project.
type CardUnlinked struct {
ProjectID int64 `json:"project_id"`
IssueID int64 `json:"issue_id"`
SessionTag string `json:"session_tag,omitempty"`
}
// ColumnCreated is emitted when a new column is added to a project.
type ColumnCreated struct {
ProjectID int64 `json:"project_id"`
ColumnID int64 `json:"column_id"`
Title string `json:"title"`
Color string `json:"color"`
Sorting int64 `json:"sorting"`
IsDefault bool `json:"is_default"`
}
// ColumnUpdated is emitted when a column's title, color, or sorting changes.
type ColumnUpdated struct {
ProjectID int64 `json:"project_id"`
ColumnID int64 `json:"column_id"`
Title string `json:"title"`
Color string `json:"color"`
Sorting int64 `json:"sorting"`
}
// ColumnDeleted is emitted when a column is removed from a project.
// Deletion implicitly relocates issues to the default column, so the
// publisher will also emit one CardMoved per affected issue; the frontend
// only needs to drop the column and react to the per-issue moves.
type ColumnDeleted struct {
ProjectID int64 `json:"project_id"`
ColumnID int64 `json:"column_id"`
}
// ColumnSort is one entry in a ColumnReordered batch.
type ColumnSort struct {
ColumnID int64 `json:"column_id"`
Sorting int64 `json:"sorting"`
}
// ColumnReordered is emitted when columns within a project are dragged into
// a new order.
type ColumnReordered struct {
ProjectID int64 `json:"project_id"`
Columns []ColumnSort `json:"columns"`
}
// ProjectUpdated is emitted when project metadata (title, description,
// card type, open/closed state) changes.
type ProjectUpdated struct {
ProjectID int64 `json:"project_id"`
Title string `json:"title"`
Description string `json:"description"`
CardType string `json:"card_type"`
IsClosed bool `json:"is_closed"`
}
// ProjectDeleted is emitted when a project is deleted.
type ProjectDeleted struct {
ProjectID int64 `json:"project_id"`
}
// Broadcast plumbing ---------------------------------------------------------
// broadcastFn is the package-level seam used to send an event to a set of
// uids. Tests swap it out to capture calls without touching the real
// eventsource manager.
var broadcastFn = defaultBroadcast
func defaultBroadcast(uids []int64, event *eventsource.Event) {
mgr := eventsource.GetManager()
for _, uid := range uids {
mgr.SendMessage(uid, event)
}
}
// connectedUIDsLister returns the uid set the broadcast helpers should
// consider as candidate recipients. Tests override it to feed a
// deterministic list.
var connectedUIDsLister = func() []int64 {
return eventsource.GetManager().ConnectedUIDs()
}
// projectLookup loads a project by id. Stubbable in tests so the
// access-filter logic can be exercised without spinning up a database.
var projectLookup = project_model.GetProjectByID
// projectAccessChecker decides whether the user identified by uid is
// allowed to read the given project. Tests stub this to bypass the real
// permission system.
var projectAccessChecker = canReadProject
// connectedUIDsWithProjectAccess returns the subset of currently connected
// uids that the access checker confirms can read projectID.
func connectedUIDsWithProjectAccess(ctx context.Context, projectID int64) []int64 {
uids := connectedUIDsLister()
if len(uids) == 0 {
return nil
}
project, err := projectLookup(ctx, projectID)
if err != nil {
log.Debug("project_events: GetProjectByID(%d) failed: %v", projectID, err)
return nil
}
allowed := make([]int64, 0, len(uids))
for _, uid := range uids {
ok, err := projectAccessChecker(ctx, uid, project)
if err != nil {
log.Debug("project_events: access check uid=%d project=%d: %v", uid, projectID, err)
continue
}
if ok {
allowed = append(allowed, uid)
}
}
return allowed
}
// canReadProject implements the real read-permission check used in
// production: repo projects defer to the repo's TypeProjects unit access;
// user / org projects fall back to user visibility.
func canReadProject(ctx context.Context, uid int64, project *project_model.Project) (bool, error) {
user, err := user_model.GetUserByID(ctx, uid)
if err != nil {
return false, err
}
if project.RepoID > 0 {
var repo *repo_model.Repository
if project.Repo != nil {
repo = project.Repo
} else {
repo, err = repo_model.GetRepositoryByID(ctx, project.RepoID)
if err != nil {
return false, err
}
}
// AccessModeRead == 1; we use the literal because the
// perm_model package's typed constant would force another
// import alias and the meaning is well established here.
ok, err := access_model.HasAccessUnit(ctx, user, repo, unit.TypeProjects, 1)
if err != nil {
return false, err
}
return ok, nil
}
if project.OwnerID > 0 {
owner := project.Owner
if owner == nil {
owner, err = user_model.GetUserByID(ctx, project.OwnerID)
if err != nil {
return false, err
}
}
return user_model.IsUserVisibleToViewer(ctx, owner, user), nil
}
return false, nil
}
// publishEvent is the shared pipeline used by every Publish* helper.
// It marshals the payload, builds the SSE Event, looks up authorized
// recipients, and fans the event out via broadcastFn. The whole thing
// runs inside the calling goroutine; callers should wrap it in `go` so
// request handlers stay responsive.
func publishEvent(ctx context.Context, projectID int64, payload any) {
data, err := json.Marshal(payload)
if err != nil {
log.Error("project_events: marshal payload for project %d: %v", projectID, err)
return
}
event := &eventsource.Event{
Name: eventName(projectID),
Data: data,
}
uids := connectedUIDsWithProjectAccess(ctx, projectID)
if len(uids) == 0 {
return
}
broadcastFn(uids, event)
}
// eventName returns the SSE event name for a given project id.
func eventName(projectID int64) string {
return "project-board." + strconv.FormatInt(projectID, 10)
}
// Publishers -----------------------------------------------------------------
// PublishCardMoved fans out a CardMoved event for the given payload.
func PublishCardMoved(ctx context.Context, payload CardMoved) {
if payload.SessionTag == "" {
payload.SessionTag = SessionTagFromContext(ctx)
}
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishCardLinked fans out a CardLinked event for the given payload.
func PublishCardLinked(ctx context.Context, payload CardLinked) {
if payload.SessionTag == "" {
payload.SessionTag = SessionTagFromContext(ctx)
}
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishCardUnlinked fans out a CardUnlinked event for the given payload.
func PublishCardUnlinked(ctx context.Context, payload CardUnlinked) {
if payload.SessionTag == "" {
payload.SessionTag = SessionTagFromContext(ctx)
}
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishColumnCreated fans out a ColumnCreated event for the given payload.
func PublishColumnCreated(ctx context.Context, payload ColumnCreated) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishColumnUpdated fans out a ColumnUpdated event for the given payload.
func PublishColumnUpdated(ctx context.Context, payload ColumnUpdated) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishColumnDeleted fans out a ColumnDeleted event for the given payload.
func PublishColumnDeleted(ctx context.Context, payload ColumnDeleted) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishColumnReordered fans out a ColumnReordered event for the given payload.
func PublishColumnReordered(ctx context.Context, payload ColumnReordered) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishProjectUpdated fans out a ProjectUpdated event for the given payload.
func PublishProjectUpdated(ctx context.Context, payload ProjectUpdated) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// PublishProjectDeleted fans out a ProjectDeleted event for the given payload.
func PublishProjectDeleted(ctx context.Context, payload ProjectDeleted) {
go publishEvent(detach(ctx), payload.ProjectID, payload)
}
// detach strips cancellation/deadline from ctx but preserves stored
// values (notably the session tag) so the goroutine outlives the request.
func detach(ctx context.Context) context.Context {
return context.WithoutCancel(ctx)
}
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// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package project_events
import (
"context"
"sync"
"testing"
"time"
project_model "code.gitea.io/gitea/models/project"
"code.gitea.io/gitea/modules/eventsource"
"code.gitea.io/gitea/modules/json"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// capturedCall is one observed broadcast: the recipient uid set plus the
// constructed Event.
type capturedCall struct {
uids []int64
event *eventsource.Event
}
// installFakes swaps every package-level seam used by publishEvent for
// test doubles: a fake uid lister, a stubbed project lookup that
// returns a synthetic project (no DB hit), an "everyone passes" access
// checker, and a broadcaster that pushes calls onto a buffered channel.
//
// The returned restore func reverts every seam; defer it in the test.
func installFakes(t *testing.T, uids []int64) (<-chan capturedCall, func()) {
t.Helper()
calls := make(chan capturedCall, 16)
origBroadcast := broadcastFn
origLister := connectedUIDsLister
origChecker := projectAccessChecker
origLookup := projectLookup
broadcastFn = func(uids []int64, event *eventsource.Event) {
calls <- capturedCall{uids: append([]int64(nil), uids...), event: event}
}
connectedUIDsLister = func() []int64 {
return append([]int64(nil), uids...)
}
projectLookup = func(_ context.Context, id int64) (*project_model.Project, error) {
return &project_model.Project{ID: id}, nil
}
projectAccessChecker = func(_ context.Context, _ int64, _ *project_model.Project) (bool, error) {
return true, nil
}
return calls, func() {
broadcastFn = origBroadcast
connectedUIDsLister = origLister
projectAccessChecker = origChecker
projectLookup = origLookup
}
}
// awaitCall blocks until one capturedCall arrives or the test deadline
// elapses. It fails the test on timeout.
func awaitCall(t *testing.T, ch <-chan capturedCall) capturedCall {
t.Helper()
select {
case c := <-ch:
return c
case <-time.After(2 * time.Second):
t.Fatal("timed out waiting for broadcast")
return capturedCall{}
}
}
func TestEventNameFormat(t *testing.T) {
assert.Equal(t, "project-board.42", eventName(42))
assert.Equal(t, "project-board.0", eventName(0))
}
func TestPublishHelpers_NameAndPayload(t *testing.T) {
cases := []struct {
name string
invoke func(ctx context.Context)
wantName string
wantData any
}{
{
name: "card.moved",
wantName: "project-board.10",
invoke: func(ctx context.Context) {
PublishCardMoved(ctx, CardMoved{
ProjectID: 10, IssueID: 7, FromColumnID: 1, ToColumnID: 2, Sorting: 3,
})
},
wantData: CardMoved{ProjectID: 10, IssueID: 7, FromColumnID: 1, ToColumnID: 2, Sorting: 3},
},
{
name: "card.linked",
wantName: "project-board.11",
invoke: func(ctx context.Context) {
PublishCardLinked(ctx, CardLinked{ProjectID: 11, IssueID: 8, ColumnID: 9})
},
wantData: CardLinked{ProjectID: 11, IssueID: 8, ColumnID: 9},
},
{
name: "card.unlinked",
wantName: "project-board.12",
invoke: func(ctx context.Context) {
PublishCardUnlinked(ctx, CardUnlinked{ProjectID: 12, IssueID: 8})
},
wantData: CardUnlinked{ProjectID: 12, IssueID: 8},
},
{
name: "column.created",
wantName: "project-board.13",
invoke: func(ctx context.Context) {
PublishColumnCreated(ctx, ColumnCreated{
ProjectID: 13, ColumnID: 5, Title: "Backlog", Color: "#ff0000", Sorting: 0, IsDefault: true,
})
},
wantData: ColumnCreated{
ProjectID: 13, ColumnID: 5, Title: "Backlog", Color: "#ff0000", Sorting: 0, IsDefault: true,
},
},
{
name: "column.updated",
wantName: "project-board.14",
invoke: func(ctx context.Context) {
PublishColumnUpdated(ctx, ColumnUpdated{ProjectID: 14, ColumnID: 5, Title: "Done"})
},
wantData: ColumnUpdated{ProjectID: 14, ColumnID: 5, Title: "Done"},
},
{
name: "column.deleted",
wantName: "project-board.15",
invoke: func(ctx context.Context) {
PublishColumnDeleted(ctx, ColumnDeleted{ProjectID: 15, ColumnID: 5})
},
wantData: ColumnDeleted{ProjectID: 15, ColumnID: 5},
},
{
name: "column.reordered",
wantName: "project-board.16",
invoke: func(ctx context.Context) {
PublishColumnReordered(ctx, ColumnReordered{
ProjectID: 16,
Columns: []ColumnSort{
{ColumnID: 1, Sorting: 0},
{ColumnID: 2, Sorting: 1},
},
})
},
wantData: ColumnReordered{
ProjectID: 16,
Columns: []ColumnSort{
{ColumnID: 1, Sorting: 0},
{ColumnID: 2, Sorting: 1},
},
},
},
{
name: "project.updated",
wantName: "project-board.17",
invoke: func(ctx context.Context) {
PublishProjectUpdated(ctx, ProjectUpdated{
ProjectID: 17, Title: "T", Description: "D", CardType: "text_only", IsClosed: false,
})
},
wantData: ProjectUpdated{
ProjectID: 17, Title: "T", Description: "D", CardType: "text_only", IsClosed: false,
},
},
{
name: "project.deleted",
wantName: "project-board.18",
invoke: func(ctx context.Context) {
PublishProjectDeleted(ctx, ProjectDeleted{ProjectID: 18})
},
wantData: ProjectDeleted{ProjectID: 18},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
ch, restore := installFakes(t, []int64{1})
defer restore()
tc.invoke(context.Background())
c := awaitCall(t, ch)
assert.Equal(t, tc.wantName, c.event.Name)
gotJSON, ok := c.event.Data.([]byte)
require.True(t, ok, "Event.Data should be []byte")
wantJSON, err := json.Marshal(tc.wantData)
require.NoError(t, err)
assert.JSONEq(t, string(wantJSON), string(gotJSON))
})
}
}
// TestSessionTagPropagation verifies that when a publish is invoked
// inside a context decorated by WithSessionTag, the emitted JSON
// payload carries the tag.
func TestSessionTagPropagation(t *testing.T) {
ch, restore := installFakes(t, []int64{1})
defer restore()
ctx := WithSessionTag(context.Background(), "abc-123")
PublishCardMoved(ctx, CardMoved{
ProjectID: 99, IssueID: 1, FromColumnID: 1, ToColumnID: 2, Sorting: 0,
})
c := awaitCall(t, ch)
var payload CardMoved
require.NoError(t, json.Unmarshal(c.event.Data.([]byte), &payload))
assert.Equal(t, "abc-123", payload.SessionTag)
}
// TestSessionTagExplicitOverridesContext verifies that an explicit
// SessionTag set on the payload struct is preserved.
func TestSessionTagExplicitOverridesContext(t *testing.T) {
ch, restore := installFakes(t, []int64{1})
defer restore()
ctx := WithSessionTag(context.Background(), "from-ctx")
PublishCardMoved(ctx, CardMoved{
ProjectID: 1, IssueID: 1, FromColumnID: 1, ToColumnID: 2, Sorting: 0,
SessionTag: "explicit",
})
c := awaitCall(t, ch)
var payload CardMoved
require.NoError(t, json.Unmarshal(c.event.Data.([]byte), &payload))
assert.Equal(t, "explicit", payload.SessionTag)
}
// TestConnectedUIDsWithProjectAccess_FiltersByPermission ensures the
// helper drops uids the access checker rejects.
func TestConnectedUIDsWithProjectAccess_FiltersByPermission(t *testing.T) {
origLister := connectedUIDsLister
origChecker := projectAccessChecker
origLookup := projectLookup
defer func() {
connectedUIDsLister = origLister
projectAccessChecker = origChecker
projectLookup = origLookup
}()
connectedUIDsLister = func() []int64 { return []int64{1, 2, 3, 4} }
projectLookup = func(_ context.Context, id int64) (*project_model.Project, error) {
return &project_model.Project{ID: id}, nil
}
allowed := map[int64]bool{1: true, 3: true}
projectAccessChecker = func(_ context.Context, uid int64, _ *project_model.Project) (bool, error) {
return allowed[uid], nil
}
got := connectedUIDsWithProjectAccess(context.Background(), 42)
assert.ElementsMatch(t, []int64{1, 3}, got)
}
// TestConnectedUIDsWithProjectAccess_NoConnections shortcuts when no
// users are connected; the project lookup must not be called.
func TestConnectedUIDsWithProjectAccess_NoConnections(t *testing.T) {
origLister := connectedUIDsLister
origLookup := projectLookup
defer func() {
connectedUIDsLister = origLister
projectLookup = origLookup
}()
connectedUIDsLister = func() []int64 { return nil }
called := false
projectLookup = func(_ context.Context, _ int64) (*project_model.Project, error) {
called = true
return &project_model.Project{}, nil
}
got := connectedUIDsWithProjectAccess(context.Background(), 42)
assert.Empty(t, got)
assert.False(t, called, "project lookup should be skipped when no uids are connected")
}
// TestPublishEvent_BroadcastsToAllowedUIDs exercises publishEvent
// directly to verify the uid set computed by the access filter is
// what gets handed to broadcastFn.
func TestPublishEvent_BroadcastsToAllowedUIDs(t *testing.T) {
origBroadcast := broadcastFn
origLister := connectedUIDsLister
origChecker := projectAccessChecker
origLookup := projectLookup
defer func() {
broadcastFn = origBroadcast
connectedUIDsLister = origLister
projectAccessChecker = origChecker
projectLookup = origLookup
}()
var mu sync.Mutex
var got []int64
broadcastFn = func(uids []int64, _ *eventsource.Event) {
mu.Lock()
got = append([]int64(nil), uids...)
mu.Unlock()
}
connectedUIDsLister = func() []int64 { return []int64{10, 20, 30} }
projectLookup = func(_ context.Context, id int64) (*project_model.Project, error) {
return &project_model.Project{ID: id}, nil
}
projectAccessChecker = func(_ context.Context, uid int64, _ *project_model.Project) (bool, error) {
return uid != 20, nil
}
publishEvent(context.Background(), 1, ColumnDeleted{ProjectID: 1, ColumnID: 5})
mu.Lock()
defer mu.Unlock()
assert.ElementsMatch(t, []int64{10, 30}, got)
}
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// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package project
import (
"context"
project_model "code.gitea.io/gitea/models/project"
"code.gitea.io/gitea/services/convert"
"code.gitea.io/gitea/services/project_events"
)
// CreateColumn inserts a new column into a project and publishes a
// ColumnCreated event. Routers should call this instead of
// project_model.NewColumn so the SSE side-effect fires uniformly across
// repo, user, and org scopes.
func CreateColumn(ctx context.Context, column *project_model.Column) error {
if err := project_model.NewColumn(ctx, column); err != nil {
return err
}
project_events.PublishColumnCreated(ctx, project_events.ColumnCreated{
ProjectID: column.ProjectID,
ColumnID: column.ID,
Title: column.Title,
Color: column.Color,
Sorting: int64(column.Sorting),
IsDefault: column.Default,
})
return nil
}
// EditColumn updates a column and publishes a ColumnUpdated event.
func EditColumn(ctx context.Context, column *project_model.Column) error {
if err := project_model.UpdateColumn(ctx, column); err != nil {
return err
}
project_events.PublishColumnUpdated(ctx, project_events.ColumnUpdated{
ProjectID: column.ProjectID,
ColumnID: column.ID,
Title: column.Title,
Color: column.Color,
Sorting: int64(column.Sorting),
})
return nil
}
// DeleteColumn removes a column from a project and publishes the
// matching ColumnDeleted event. The model layer also moves the
// column's issues to the project's default column; we publish those
// individual moves so receiving tabs can patch the DOM without a full
// reload. We snapshot affected issues *before* the delete so we have
// their ids; the destination column id is resolved after.
func DeleteColumn(ctx context.Context, columnID int64) error {
// Snapshot the column + its issues so we know what to publish
// after the delete commits. Errors here are non-fatal: we still
// run the delete, and just skip per-issue events.
col, snapErr := project_model.GetColumn(ctx, columnID)
var (
projectID int64
movedIssues []int64
)
if snapErr == nil {
projectID = col.ProjectID
issues, err := col.GetIssues(ctx)
if err == nil {
movedIssues = make([]int64, 0, len(issues))
for _, pi := range issues {
movedIssues = append(movedIssues, pi.IssueID)
}
}
}
if err := project_model.DeleteColumnByID(ctx, columnID); err != nil {
return err
}
if snapErr != nil || projectID == 0 {
return nil
}
project_events.PublishColumnDeleted(ctx, project_events.ColumnDeleted{
ProjectID: projectID,
ColumnID: columnID,
})
// Resolve the new (default) column to attach to the per-issue
// CardMoved events. Failures here are tolerated; the frontend
// already knows the column is gone and will simply render its
// next refresh as authoritative.
project, err := project_model.GetProjectByID(ctx, projectID)
if err != nil {
return nil
}
defaultCol, err := project.MustDefaultColumn(ctx)
if err != nil {
return nil
}
for _, issueID := range movedIssues {
project_events.PublishCardMoved(ctx, project_events.CardMoved{
ProjectID: projectID,
IssueID: issueID,
FromColumnID: columnID,
ToColumnID: defaultCol.ID,
})
}
return nil
}
// ReorderColumns persists a new sort order for project columns and
// publishes a ColumnReordered batch event.
func ReorderColumns(ctx context.Context, project *project_model.Project, sortedColumnIDs map[int64]int64) error {
if err := project_model.MoveColumnsOnProject(ctx, project, sortedColumnIDs); err != nil {
return err
}
cols := make([]project_events.ColumnSort, 0, len(sortedColumnIDs))
for sorting, columnID := range sortedColumnIDs {
cols = append(cols, project_events.ColumnSort{
ColumnID: columnID,
Sorting: sorting,
})
}
project_events.PublishColumnReordered(ctx, project_events.ColumnReordered{
ProjectID: project.ID,
Columns: cols,
})
return nil
}
// DeleteProject deletes a project and publishes a ProjectDeleted event.
func DeleteProject(ctx context.Context, projectID int64) error {
if err := project_model.DeleteProjectByID(ctx, projectID); err != nil {
return err
}
project_events.PublishProjectDeleted(ctx, project_events.ProjectDeleted{
ProjectID: projectID,
})
return nil
}
// publishProjectUpdated emits a ProjectUpdated event for the current
// state of the given project. It is exported via UpdateProject in
// project.go after the txn commits.
func publishProjectUpdated(ctx context.Context, project *project_model.Project) {
project_events.PublishProjectUpdated(ctx, project_events.ProjectUpdated{
ProjectID: project.ID,
Title: project.Title,
Description: project.Description,
CardType: convert.ProjectCardTypeToString(project.CardType),
IsClosed: project.IsClosed,
})
}
+110 -1
View File
@@ -15,6 +15,7 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/optional"
"code.gitea.io/gitea/services/project_events"
)
// ErrIssueNotInProject is returned when MoveIssuesOnProjectColumn is asked to move
@@ -23,7 +24,14 @@ var ErrIssueNotInProject = errors.New("all issues have to be added to a project
// MoveIssuesOnProjectColumn moves or keeps issues in a column and sorts them inside that column
func MoveIssuesOnProjectColumn(ctx context.Context, doer *user_model.User, column *project_model.Column, sortedIssueIDs map[int64]int64) error {
return db.WithTx(ctx, func(ctx context.Context) error {
// movedEvents accumulates one CardMoved per issue we touch so they
// can be published after the transaction commits successfully.
// We capture the from-column inside the txn (cheap extra query)
// and emit *all* moves, including same-column reorders, so the
// frontend can update sorting without re-fetching the whole column.
var movedEvents []project_events.CardMoved
err := db.WithTx(ctx, func(ctx context.Context) error {
movedEvents = movedEvents[:0]
issueIDs := make([]int64, 0, len(sortedIssueIDs))
for _, issueID := range sortedIssueIDs {
issueIDs = append(issueIDs, issueID)
@@ -89,9 +97,110 @@ func MoveIssuesOnProjectColumn(ctx context.Context, doer *user_model.User, colum
if err != nil {
return err
}
movedEvents = append(movedEvents, project_events.CardMoved{
ProjectID: column.ProjectID,
IssueID: issueID,
FromColumnID: projectColumnID,
ToColumnID: column.ID,
Sorting: sorting,
})
}
return nil
})
if err != nil {
return err
}
for _, ev := range movedEvents {
project_events.PublishCardMoved(ctx, ev)
}
return nil
}
// AssignOrRemoveProjects updates the projects associated with an issue
// (delegating to issues_model.IssueAssignOrRemoveProject) and publishes
// SSE events for each link/unlink so other tabs viewing the relevant
// project boards can update without a reload.
//
// Routers should prefer this helper over calling the model function
// directly so the publish side-effects fire at every call site.
func AssignOrRemoveProjects(ctx context.Context, issue *issues_model.Issue, doer *user_model.User, newProjectIDs []int64) error {
// Snapshot the current project ids before the update so we can
// compute the link/unlink diff. If this read fails we just skip
// publishing — the user-visible operation still succeeds.
oldProjectIDs, snapErr := issueProjectIDs(ctx, issue.ID)
if err := issues_model.IssueAssignOrRemoveProject(ctx, issue, doer, newProjectIDs); err != nil {
return err
}
if snapErr != nil {
return nil
}
added, removed := diffInt64Slices(oldProjectIDs, newProjectIDs)
for _, pid := range removed {
project_events.PublishCardUnlinked(ctx, project_events.CardUnlinked{
ProjectID: pid,
IssueID: issue.ID,
})
}
// For additions we want to surface the destination column so the
// receiving tab can refetch only that column's contents. The model
// function places newly added issues in each project's default
// column; re-derive that here.
for _, pid := range added {
project, err := project_model.GetProjectByID(ctx, pid)
if err != nil {
continue
}
col, err := project.MustDefaultColumn(ctx)
if err != nil {
continue
}
project_events.PublishCardLinked(ctx, project_events.CardLinked{
ProjectID: pid,
IssueID: issue.ID,
ColumnID: col.ID,
})
}
return nil
}
// issueProjectIDs reads the set of project ids currently linked to issue.
// Mirrors models/issues/(*Issue).projectIDs but lives at the service layer
// so we can keep the model surface untouched.
func issueProjectIDs(ctx context.Context, issueID int64) ([]int64, error) {
var ids []int64
err := db.GetEngine(ctx).Table("project_issue").
Where("issue_id = ?", issueID).
Cols("project_id").
Find(&ids)
return ids, err
}
// diffInt64Slices returns the elements present in `b` but missing in `a`
// (added) and the elements present in `a` but missing in `b` (removed).
// Both inputs are treated as sets.
func diffInt64Slices(a, b []int64) (added, removed []int64) {
inA := make(map[int64]struct{}, len(a))
for _, v := range a {
inA[v] = struct{}{}
}
inB := make(map[int64]struct{}, len(b))
for _, v := range b {
inB[v] = struct{}{}
}
for _, v := range b {
if _, ok := inA[v]; !ok {
added = append(added, v)
}
}
for _, v := range a {
if _, ok := inB[v]; !ok {
removed = append(removed, v)
}
}
return added, removed
}
func LoadIssuesAssigneesForProject(ctx context.Context, issuesMap map[int64]issues_model.IssueList) ([]*user_model.User, error) {
+8 -3
View File
@@ -19,9 +19,10 @@ type UpdateProjectOptions struct {
IsClosed optional.Option[bool]
}
// UpdateProject applies the provided options to the project atomically.
// UpdateProject applies the provided options to the project atomically
// and emits a ProjectUpdated SSE event when the txn commits.
func UpdateProject(ctx context.Context, project *project_model.Project, opts UpdateProjectOptions) error {
return db.WithTx(ctx, func(ctx context.Context) error {
if err := db.WithTx(ctx, func(ctx context.Context) error {
if opts.Title.Has() {
project.Title = opts.Title.Value()
}
@@ -40,5 +41,9 @@ func UpdateProject(ctx context.Context, project *project_model.Project, opts Upd
}
}
return nil
})
}); err != nil {
return err
}
publishProjectUpdated(ctx, project)
return nil
}