add json format to route /admin/get-all-users

lib/api/api.dart

@@ -123,7 +123,7 @@ class API {
 
   static Future<Response> getAllUsers(Request req) async {
     PostgreSQLResult res = await AccountsToPostgres.getAllUsers();
-    String json = DB2API.map2Json(res);
+    String json = DB2API.allUsersToJson(res);
     return Response.ok(json);
   }
 }

lib/database/accounts_to_postgres.dart

@@ -121,6 +121,7 @@ class AccountsToPostgres {
   static Future<PostgreSQLResult> getAllUsers() async {
     PostgreSQLResult res =
         await connection.query("SELECT id, hash, salt from \"Account\"");
+    print("🟥 ADMIN: get all users");
     return res;
   }
 }

lib/db_to_api.dart

@@ -1,8 +1,18 @@
-import 'dart:convert';
 import 'package:postgres/postgres.dart';
 
 class DB2API {
-  static String map2Json(PostgreSQLResult data) {
-    return jsonEncode(data);
+  static String allUsersToJson(PostgreSQLResult data) {
+    String body = "";
+    int count = 0;
+    for (final row in data) {
+      body += userToString(row[0], row[1], row[2]);
+      count++;
+      if (count != data.length) body += ",";
+    }
+    return "[$body]";
+  }
+
+  static String userToString(String email, String hash, String salt) {
+    return """{"email" : "$email", "hash" : "$hash", "salt" : "$salt"}""";
   }
 }

test/db_remrem_test.dart

@@ -5,7 +5,7 @@ import 'package:passworld_api/db_to_api.dart';
 
 void main() async {
   await AccountsToPostgres.createAccountTable();
-  await AccountsToPostgres.create("remremc@gmail.com", "hehehe", "tameare");
+  //await AccountsToPostgres.create("remremj@gmail.com", "hehehe", "tameare");
   var res = await AccountsToPostgres.getAllUsers();
   for (final row in res) {
     stdout.write(row[0]);
@@ -13,7 +13,7 @@ void main() async {
     print(row[2]);
   }
   //print(res.runtimeType);
-  String json = DB2API.map2Json(res);
+  String json = DB2API.allUsersToJson(res);
   print(json);
   AccountsToPostgres.closeConnection();
   return;