[MM-43917] Cloud Freemium limits API: messages/posts (#20152)

* WIP - Add api and app funcs

* Add test cases

* Add utils testcases

* Exclude deleted posts

* Add doc for func

* Move api from cloud to usage

* Allow api access to authenticated users

* Change int to int64

* Fix lint issue

* Simplify err check

Co-authored-by: Ashish Bhate <ashish.bhate@mattermost.com>

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Ashish Bhate <ashish.bhate@mattermost.com>

app/analytics.go

@@ -87,7 +87,7 @@ func (a *App) GetAnalytics(name string, teamID string) (model.AnalyticsRows, *mo
 		if !skipIntensiveQueries {
 			g.Go(func() error {
 				var err error
-				if postsCount, err = a.Srv().Store.Post().AnalyticsPostCount(teamID, false, false); err != nil {
+				if postsCount, err = a.Srv().Store.Post().AnalyticsPostCount(&model.PostCountOptions{TeamId: teamID}); err != nil {
 					return model.NewAppError("GetAnalytics", "app.post.analytics_posts_count.app_error", nil, err.Error(), http.StatusInternalServerError)
 				}
 				return nil
@@ -269,7 +269,7 @@ func (a *App) GetAnalytics(name string, teamID string) (model.AnalyticsRows, *mo
 		if !skipIntensiveQueries {
 			g2.Go(func() error {
 				var err error
-				if filesCount, err = a.Srv().Store.Post().AnalyticsPostCount(teamID, true, false); err != nil {
+				if filesCount, err = a.Srv().Store.Post().AnalyticsPostCount(&model.PostCountOptions{TeamId: teamID, MustHaveFile: true}); err != nil {
 					return model.NewAppError("GetAnalytics", "app.post.analytics_posts_count.app_error", nil, err.Error(), http.StatusInternalServerError)
 				}
 				return nil
@@ -277,7 +277,7 @@ func (a *App) GetAnalytics(name string, teamID string) (model.AnalyticsRows, *mo
 
 			g2.Go(func() error {
 				var err error
-				if hashtagsCount, err = a.Srv().Store.Post().AnalyticsPostCount(teamID, false, true); err != nil {
+				if hashtagsCount, err = a.Srv().Store.Post().AnalyticsPostCount(&model.PostCountOptions{TeamId: teamID, MustHaveHashtag: true}); err != nil {
 					return model.NewAppError("GetAnalytics", "app.post.analytics_posts_count.app_error", nil, err.Error(), http.StatusInternalServerError)
 				}
 				return nil