feat: update logic for update query to db for posts

backend/internal/repositories/post_repository.go

@@ -3,6 +3,7 @@ package repositories
 import (
 	"context"
 	"database/sql"
+	"strings"
 
 	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/logger"
 	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/storage"
@@ -78,17 +79,29 @@ func (p *postRepository) Create(ctx context.Context, post storage.Post) error {
 }
 
 func (p *postRepository) Update(ctx context.Context, id int, post storage.Post) error {
-	_, err := p.db.Exec(
-		"UPDATE posts SET title = ?, content = ? WHERE id = ?",
-		post.Title,
-		post.Content,
-		id,
-	)
-	if err != nil {
-		return err
+	query := "UPDATE posts SET "
+	args := []interface{}{}
+	updates := []string{}
+
+	if post.Title != "" {
+		updates = append(updates, "title = ?")
+		args = append(args, post.Title)
 	}
-	p.logger.Info("Post updated:", "id", id)
-	return nil
+
+	if post.Content != "" {
+		updates = append(updates, "content = ?")
+		args = append(args, post.Content)
+	}
+
+	updates = append(updates, "published = ?")
+	args = append(args, post.Published)
+	updates = append(updates, "updated_at = CURRENT_TIMESTAMP")
+	query += strings.Join(updates, ", ")
+	query += " WHERE id = ?"
+	args = append(args, id)
+
+	_, err := p.db.ExecContext(ctx, query, args...)
+	return err
 }
 
 func (p *postRepository) Delete(ctx context.Context, id int) error {
@@ -122,5 +135,3 @@ func (p *postRepository) IsExist(ctx context.Context, id int) bool {
 	}
 	return true
 }
-
-// TODO: Add query for change published status