MM-31713 Server/API: GetUserThread method (#16659)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/app_iface.go

@@ -693,6 +693,7 @@ type AppIface interface {
 	GetTeamsForUser(userId string) ([]*model.Team, *model.AppError)
 	GetTeamsUnreadForUser(excludeTeamId string, userId string) ([]*model.TeamUnread, *model.AppError)
 	GetTermsOfService(id string) (*model.TermsOfService, *model.AppError)
+	GetThreadForUser(userId, teamId, threadId string, extended bool) (*model.ThreadResponse, *model.AppError)
 	GetThreadMembershipsForUser(userId, teamId string) ([]*model.ThreadMembership, error)
 	GetThreadsForUser(userId, teamId string, options model.GetUserThreadsOpts) (*model.Threads, *model.AppError)
 	GetUploadSession(uploadId string) (*model.UploadSession, *model.AppError)

app/opentracing/opentracing_layer.go

@@ -8529,6 +8529,28 @@ func (a *OpenTracingAppLayer) GetTermsOfService(id string) (*model.TermsOfServic
 	return resultVar0, resultVar1
 }
 
+func (a *OpenTracingAppLayer) GetThreadForUser(userId string, teamId string, threadId string, extended bool) (*model.ThreadResponse, *model.AppError) {
+	origCtx := a.ctx
+	span, newCtx := tracing.StartSpanWithParentByContext(a.ctx, "app.GetThreadForUser")
+
+	a.ctx = newCtx
+	a.app.Srv().Store.SetContext(newCtx)
+	defer func() {
+		a.app.Srv().Store.SetContext(origCtx)
+		a.ctx = origCtx
+	}()
+
+	defer span.Finish()
+	resultVar0, resultVar1 := a.app.GetThreadForUser(userId, teamId, threadId, extended)
+
+	if resultVar1 != nil {
+		span.LogFields(spanlog.Error(resultVar1))
+		ext.Error.Set(span, true)
+	}
+
+	return resultVar0, resultVar1
+}
+
 func (a *OpenTracingAppLayer) GetThreadMembershipsForUser(userId string, teamId string) ([]*model.ThreadMembership, error) {
 	origCtx := a.ctx
 	span, newCtx := tracing.StartSpanWithParentByContext(a.ctx, "app.GetThreadMembershipsForUser")

app/user.go

@@ -2371,6 +2371,19 @@ func (a *App) GetThreadsForUser(userId, teamId string, options model.GetUserThre
 	return threads, nil
 }
 
+func (a *App) GetThreadForUser(userId, teamId, threadId string, extended bool) (*model.ThreadResponse, *model.AppError) {
+	thread, err := a.Srv().Store.Thread().GetThreadForUser(userId, teamId, threadId, extended)
+	if err != nil {
+		return nil, model.NewAppError("GetThreadForUser", "app.user.get_threads_for_user.app_error", nil, err.Error(), http.StatusInternalServerError)
+	}
+	if thread == nil {
+		return nil, model.NewAppError("GetThreadForUser", "app.user.get_threads_for_user.not_found", nil, "thread not found/followed", http.StatusNotFound)
+	}
+	a.sanitizeProfiles(thread.Participants, false)
+	thread.Post.SanitizeProps()
+	return thread, nil
+}
+
 func (a *App) UpdateThreadsReadForUser(userId, teamId string) *model.AppError {
 	nErr := a.Srv().Store.Thread().MarkAllAsRead(userId, teamId)
 	if nErr != nil {