Improve adapter error handling

init_data.json.template

@@ -176,9 +176,7 @@
   ],
   "permissions": [
     {
-      "actions": [
-        ""
-      ],
+      "actions": [],
       "displayName": "",
       "effect": "",
       "isEnabled": true,
@@ -186,15 +184,9 @@
       "name": "",
       "owner": "",
       "resourceType": "",
-      "resources": [
-        ""
-      ],
-      "roles": [
-        ""
-      ],
-      "users": [
-        ""
-      ]
+      "resources": [],
+      "roles": [],
+      "users": []
     }
   ],
   "payments": [
@@ -236,9 +228,7 @@
       "name": "",
       "owner": "",
       "price": 0,
-      "providers": [
-        ""
-      ],
+      "providers": [],
       "quantity": 0,
       "returnUrl": "",
       "sold": 0,
@@ -268,12 +258,8 @@
       "isEnabled": true,
       "name": "",
       "owner": "",
-      "roles": [
-        ""
-      ],
-      "users": [
-        ""
-      ]
+      "roles": [],
+      "users": []
     }
   ],
   "syncers": [
@@ -284,7 +270,7 @@
       "databaseType": "",
       "errorText": "",
       "host": "",
-      "isEnabled": true,
+      "isEnabled": false,
       "name": "",
       "organization": "",
       "owner": "",
@@ -298,9 +284,7 @@
           "isHashed": true,
           "name": "",
           "type": "",
-          "values": [
-            ""
-          ]
+          "values": []
         }
       ],
       "tablePrimaryKey": "",
@@ -330,9 +314,7 @@
   "webhooks": [
     {
       "contentType": "",
-      "events": [
-        ""
-      ],
+      "events": [],
       "headers": [
         {
           "name": "",

object/ormer.go

@@ -86,7 +86,11 @@ func InitAdapter() {
 		}
 	}
 
-	ormer = NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigDataSourceName(), conf.GetConfigString("dbName"))
+	var err error
+	ormer, err = NewAdapter(conf.GetConfigString("driverName"), conf.GetConfigDataSourceName(), conf.GetConfigString("dbName"))
+	if err != nil {
+		panic(err)
+	}
 
 	tableNamePrefix := conf.GetConfigString("tableNamePrefix")
 	tbMapper := core.NewPrefixMapper(core.SnakeMapper{}, tableNamePrefix)
@@ -121,19 +125,22 @@ func finalizer(a *Ormer) {
 }
 
 // NewAdapter is the constructor for Ormer.
-func NewAdapter(driverName string, dataSourceName string, dbName string) *Ormer {
+func NewAdapter(driverName string, dataSourceName string, dbName string) (*Ormer, error) {
 	a := &Ormer{}
 	a.driverName = driverName
 	a.dataSourceName = dataSourceName
 	a.dbName = dbName
 
 	// Open the DB, create it if not existed.
-	a.open()
+	err := a.open()
+	if err != nil {
+		return nil, err
+	}
 
 	// Call the destructor when the object is released.
 	runtime.SetFinalizer(a, finalizer)
 
-	return a
+	return a, nil
 }
 
 func refineDataSourceNameForPostgres(dataSourceName string) string {
@@ -192,7 +199,7 @@ func (a *Ormer) CreateDatabase() error {
 	return err
 }
 
-func (a *Ormer) open() {
+func (a *Ormer) open() error {
 	dataSourceName := a.dataSourceName + a.dbName
 	if a.driverName != "mysql" {
 		dataSourceName = a.dataSourceName
@@ -200,8 +207,9 @@ func (a *Ormer) open() {
 
 	engine, err := xorm.NewEngine(a.driverName, dataSourceName)
 	if err != nil {
-		panic(err)
+		return err
 	}
+
 	if a.driverName == "postgres" {
 		schema := util.GetValueFromDataSourceName("search_path", dataSourceName)
 		if schema != "" {
@@ -210,6 +218,7 @@ func (a *Ormer) open() {
 	}
 
 	a.Engine = engine
+	return nil
 }
 
 func (a *Ormer) close() {

object/syncer.go

@@ -252,6 +252,10 @@ func (syncer *Syncer) getKey() string {
 }
 
 func RunSyncer(syncer *Syncer) error {
-	syncer.initAdapter()
+	err := syncer.initAdapter()
+	if err != nil {
+		return err
+	}
+
 	return syncer.syncUsers()
 }

object/syncer_cron.go

@@ -50,9 +50,12 @@ func addSyncerJob(syncer *Syncer) error {
 		return nil
 	}
 
-	syncer.initAdapter()
+	err := syncer.initAdapter()
+	if err != nil {
+		return err
+	}
 
-	err := syncer.syncUsers()
+	err = syncer.syncUsers()
 	if err != nil {
 		return err
 	}

object/syncer_public_api.go

@@ -38,7 +38,11 @@ func getEnabledSyncerForOrganization(organization string) (*Syncer, error) {
 
 	for _, syncer := range syncers {
 		if syncer.Organization == organization && syncer.IsEnabled {
-			syncer.initAdapter()
+			err = syncer.initAdapter()
+			if err != nil {
+				return nil, err
+			}
+
 			return syncer, nil
 		}
 	}

object/syncer_user.go

@@ -162,8 +162,11 @@ func (syncer *Syncer) calculateHash(user *OriginalUser) string {
 	return util.GetMd5Hash(s)
 }
 
-func (syncer *Syncer) initAdapter() {
-	if syncer.Ormer == nil {
+func (syncer *Syncer) initAdapter() error {
+	if syncer.Ormer != nil {
+		return nil
+	}
+
 	var dataSourceName string
 	if syncer.DatabaseType == "mssql" {
 		dataSourceName = fmt.Sprintf("sqlserver://%s:%s@%s:%d?database=%s", syncer.User, syncer.Password, syncer.Host, syncer.Port, syncer.Database)
@@ -181,8 +184,9 @@ func (syncer *Syncer) initAdapter() {
 		dataSourceName = strings.ReplaceAll(dataSourceName, "dbi.", "db.")
 	}
 
-		syncer.Ormer = NewAdapter(syncer.DatabaseType, dataSourceName, syncer.Database)
-	}
+	var err error
+	syncer.Ormer, err = NewAdapter(syncer.DatabaseType, dataSourceName, syncer.Database)
+	return err
 }
 
 func RunSyncUsersJob() {