[MM-56073] MMCTL delete post command (#27539)

Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>

server/channels/store/searchlayer/file_info_layer.go

@@ -4,6 +4,8 @@
 package searchlayer
 
 import (
+	"fmt"
+
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/mattermost/server/public/shared/request"
@@ -74,6 +76,7 @@ func (s SearchFileInfoStore) deleteFileIndexForUser(rctx request.CTX, userID str
 	}
 }
 
+//nolint:unused // Temporarily unused until the post_id is indexed with the file
 func (s SearchFileInfoStore) deleteFileIndexForPost(rctx request.CTX, postID string) {
 	for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
 		if engine.IsIndexingEnabled() {
@@ -133,14 +136,36 @@ func (s SearchFileInfoStore) AttachToPost(rctx request.CTX, fileId, postId, chan
 	return err
 }
 
-func (s SearchFileInfoStore) DeleteForPost(rctx request.CTX, postId string) (string, error) {
-	result, err := s.FileInfoStore.DeleteForPost(rctx, postId)
+func (s SearchFileInfoStore) DeleteForPost(rctx request.CTX, postID string) (string, error) {
+	// temporary workaround because deleteFileIndexForPost is not working due to the post_id not being indexed with the file
+	files, err := s.FileInfoStore.GetForPost(postID, false, true, true)
+	if err != nil {
+		return "", fmt.Errorf("failed to get files for post %s: %w", postID, err)
+	}
+	result, err := s.FileInfoStore.DeleteForPost(rctx, postID)
 	if err == nil {
-		s.deleteFileIndexForPost(rctx, postId)
+		for _, file := range files {
+			s.deleteFileIndex(rctx, file.Id)
+		}
 	}
 	return result, err
 }
 
+func (s SearchFileInfoStore) PermanentDeleteForPost(rctx request.CTX, postID string) error {
+	// temporary workaround because deleteFileIndexForPost is not working due to the post_id not being indexed with the file
+	files, err := s.FileInfoStore.GetForPost(postID, false, true, true)
+	if err != nil {
+		return err
+	}
+	err = s.FileInfoStore.PermanentDeleteForPost(rctx, postID)
+	if err == nil {
+		for _, file := range files {
+			s.deleteFileIndex(rctx, file.Id)
+		}
+	}
+	return err
+}
+
 func (s SearchFileInfoStore) PermanentDelete(rctx request.CTX, fileId string) error {
 	err := s.FileInfoStore.PermanentDelete(rctx, fileId)
 	if err == nil {

server/channels/store/searchlayer/post_layer.go

@@ -4,8 +4,6 @@
 package searchlayer
 
 import (
-	"context"
-
 	"github.com/pkg/errors"
 
 	"github.com/mattermost/mattermost/server/public/model"
@@ -107,19 +105,29 @@ func (s SearchPostStore) Save(rctx request.CTX, post *model.Post) (*model.Post,
 
 func (s SearchPostStore) Delete(rctx request.CTX, postId string, date int64, deletedByID string) error {
 	err := s.PostStore.Delete(rctx, postId, date, deletedByID)
-
-	if err == nil {
-		opts := model.GetPostsOptions{
-			SkipFetchThreads: true,
-		}
-		postList, err2 := s.PostStore.Get(context.Background(), postId, opts, "", map[string]bool{})
-		if postList != nil && len(postList.Order) > 0 {
-			if err2 != nil {
-				s.deletePostIndex(rctx, postList.Posts[postList.Order[0]])
-			}
-		}
+	if err != nil {
+		return err
 	}
-	return err
+	post, err := s.PostStore.GetSingle(rctx, postId, true)
+	if err != nil {
+		return err
+	}
+	s.deletePostIndex(rctx, post)
+	return nil
+}
+
+func (s SearchPostStore) PermanentDelete(rctx request.CTX, postID string) error {
+	// Get full post struct for later
+	post, err := s.PostStore.GetSingle(rctx, postID, true)
+	if err != nil {
+		return err
+	}
+	err = s.PostStore.PermanentDelete(rctx, postID)
+	if err != nil {
+		return err
+	}
+	s.deletePostIndex(rctx, post)
+	return nil
 }
 
 func (s SearchPostStore) PermanentDeleteByUser(rctx request.CTX, userID string) error {