fix context problems

backend/internal/model/init.go

@@ -2,6 +2,7 @@ package model
 
 import (
 	"log"
+	"os"
 
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
@@ -9,17 +10,19 @@ import (
 
 // Init initializes the database connection, auto-migrates models, and seeds a default post.
 func Init() *gorm.DB {
+	_, filerr := os.Open("./blog.db")
 	db, err := gorm.Open(sqlite.Open("./blog.db"))
 	if err != nil {
 		log.Panic(err)
 	}
 	db.AutoMigrate(&Post{}, &Comment{}, &User{}, &InvalidJWT{})
 
-	db.Save(&Post{
-		ID:    1,
-		Title: "Hello World",
-		TLDR:  "introduction to ng-blog",
-		Content: `
+	if filerr != nil {
+		db.Save(&Post{
+			ID:    1,
+			Title: "Hello World",
+			TLDR:  "introduction to ng-blog",
+			Content: `
 ## Welcome
 
 This is ng-blog, your simple blog written in Angular and Golang.
@@ -31,7 +34,8 @@ The default login is:
 >
 > Password: admin
 `,
-	})
+		})
+	}
 
 	return db
 }