Fix MariaDB RANDOM() eror

internal/services/postService.go

@@ -1,6 +1,7 @@
 package services
 
 import (
+	"CatsOfMastodonBotGo/internal/config"
 	"CatsOfMastodonBotGo/internal/database"
 	"CatsOfMastodonBotGo/internal/domain"
 	"context"
@@ -105,11 +106,15 @@ func (ps *PostService) InsertNewAccounts(newAccounts []domain.Account) int {
 
 func (ps *PostService) GetRandomPost() domain.Post {
 	var post domain.Post
+	orderExpr := "RANDOM()" // sqlite
+	if config.Config.DBEngine != "sqlite" {
+		orderExpr = "RAND()" // mariadb/mysql
+	}
 	ps.db.
 		Preload("Account").
 		Preload("Attachments", "Approved = ?", true).
 		Where("exists (select 1 from media_attachments where post_id = posts.id and approved = ?)", true).
-		Order("RANDOM()").
+		Order(orderExpr).
 		First(&post)
 	if len(post.Attachments) > 0 {
 		post.Attachments = []domain.MediaAttachment{post.Attachments[0]}
@@ -132,10 +137,14 @@ func (ps *PostService) RejectMedia(mediaId string) bool {
 // Get a post which approve and rejet are false (For admin panel)
 func (ps *PostService) GetMedia() domain.MediaAttachment {
 	var media domain.MediaAttachment
+	orderExpr := "RANDOM()" // sqlite
+	if config.Config.DBEngine != "sqlite" {
+		orderExpr = "RAND()" // mariadb/mysql
+	}
 	ps.db.Model(&domain.MediaAttachment{}).
 		Where("approved = ?", false).
 		Where("rejected = ?", false).
-		Order("RANDOM()").
+		Order(orderExpr).
 		First(&media)
 	return media
 }