fix: partner status and custom popup init

internal/models/models.go

 package models
 
 import (
+	"errors"
 	"fmt"
 
 	"forge.grandlyon.com/web-et-numerique/llle_project/backoffice-server/internal/common"
@@ -30,13 +31,13 @@ func NewDataHandler() *DataHandler {
 	if dbUser == "" || dbPassword == "" || dbName == "" {
 		sqlClient, err = gorm.Open(sqlite.Open("backoffice.db"), &gorm.Config{})
 		if err != nil {
-			panic("failed to connect database")
+			panic("failed to connect sqlite database")
 		}
 	} else {
 		dsn := fmt.Sprintf("%v:%v@tcp(%v:3306)/%v?charset=utf8mb4&parseTime=True&loc=Local", dbUser, dbPassword, dbHost, dbName)
 		sqlClient, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
 		if err != nil {
-			panic("failed to connect database")
+			panic("failed to connect MySQL database")
 		}
 	}
 
@@ -50,21 +51,30 @@ func NewDataHandler() *DataHandler {
 	sqlClient.AutoMigrate(&Price{})
 	sqlClient.AutoMigrate(&Consent{})
 
-	//TODO fix recreate on server init
-	// Create default partner status
-	sqlClient.Create(&PartnersInfo{
-		GRDFFailure:           false,
-		EnedisFailure:         false,
-		EGLFailure:            false,
-		NotificationActivated: false,
-	})
+	// Check if partners info already exists
+	var partnersInfo PartnersInfo
+	err = sqlClient.First(&partnersInfo).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		// Create default partner status
+		sqlClient.Create(&PartnersInfo{
+			GRDFFailure:           false,
+			EnedisFailure:         false,
+			EGLFailure:            false,
+			NotificationActivated: false,
+		})
+	}
 
-	// Create default custom popup
-	sqlClient.Create(&CustomPopup{
-		PopupEnabled: false,
-		Title:        "",
-		Description:  "",
-	})
+	// Check if custom popup already exists
+	var customPopup CustomPopup
+	err = sqlClient.First(&customPopup).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		// Create default custom popup
+		sqlClient.Create(&CustomPopup{
+			PopupEnabled: false,
+			Title:        "",
+			Description:  "",
+		})
+	}
 
 	// Meilisearch setup
 	meiliClient := meilisearch.NewClient(meilisearch.ClientConfig{