เช็ค User ซ้ำ

exthernal-login-api/src/services/registerservice.js

@@ -40,6 +40,15 @@ export class RegisterService {
     }
   }
 
+  async checkUserDuplicate(database, email) {
+    const sql = `
+      SELECT * FROM nuttakit.usrmst
+      WHERE usreml = $1
+    `
+    const params = [email]
+    const aryResult = await this.generalService.executeQueryParam(database, sql, params);
+    return aryResult;
+  }
 
   async genNum(database) {
     const sql = `