Poststore migration part3 (#15505)

* Migration completed

* Order in translations file

* Fix: lints

* Trigger CI

* Fix message key

* Change mlog.Error for mlog.Warn

* Fix imports

* Adding translations needed for EE

* Trigger CI

* Fix merge with master

Co-authored-by: Agniva De Sarker <agnivade@yahoo.co.in>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/export.go

@@ -338,9 +338,9 @@ func (a *App) exportAllPosts(writer io.Writer) *model.AppError {
 	afterId := strings.Repeat("0", 26)
 
 	for {
-		posts, err := a.Srv().Store.Post().GetParentsForExportAfter(1000, afterId)
-		if err != nil {
-			return err
+		posts, nErr := a.Srv().Store.Post().GetParentsForExportAfter(1000, afterId)
+		if nErr != nil {
+			return model.NewAppError("exportAllPosts", "app.post.get_posts.app_error", nil, nErr.Error(), http.StatusInternalServerError)
 		}
 
 		if len(posts) == 0 {
@@ -357,6 +357,7 @@ func (a *App) exportAllPosts(writer io.Writer) *model.AppError {
 
 			postLine := ImportLineForPost(post)
 
+			var err *model.AppError
 			postLine.Post.Replies, err = a.buildPostReplies(post.Id)
 			if err != nil {
 				return err
@@ -380,17 +381,18 @@ func (a *App) exportAllPosts(writer io.Writer) *model.AppError {
 func (a *App) buildPostReplies(postId string) (*[]ReplyImportData, *model.AppError) {
 	var replies []ReplyImportData
 
-	replyPosts, err := a.Srv().Store.Post().GetRepliesForExport(postId)
-	if err != nil {
-		return nil, err
+	replyPosts, nErr := a.Srv().Store.Post().GetRepliesForExport(postId)
+	if nErr != nil {
+		return nil, model.NewAppError("buildPostReplies", "app.post.get_posts.app_error", nil, nErr.Error(), http.StatusInternalServerError)
 	}
 
 	for _, reply := range replyPosts {
 		replyImportObject := ImportReplyFromPost(reply)
 		if reply.HasReactions {
-			replyImportObject.Reactions, err = a.BuildPostReactions(reply.Id)
-			if err != nil {
-				return nil, err
+			var appErr *model.AppError
+			replyImportObject.Reactions, appErr = a.BuildPostReactions(reply.Id)
+			if appErr != nil {
+				return nil, appErr
 			}
 		}
 		replies = append(replies, *replyImportObject)
@@ -545,7 +547,7 @@ func (a *App) exportAllDirectPosts(writer io.Writer) *model.AppError {
 	for {
 		posts, err := a.Srv().Store.Post().GetDirectPostParentsForExportAfter(1000, afterId)
 		if err != nil {
-			return err
+			return model.NewAppError("exportAllDirectPosts", "app.post.get_direct_posts.app_error", nil, err.Error(), http.StatusInternalServerError)
 		}
 
 		if len(posts) == 0 {