Merge pull request #175 from yaso-meth/NEW--Check-Username-Uniquness

NEW--Check-Username-Uniquness

Frontend/lib/mih_apis/mih_user_apis.dart

@@ -12,6 +12,23 @@ import 'package:supertokens_flutter/supertokens.dart';
 class MihUserApis {
   final baseAPI = AppEnviroment.baseApiUrl;
 
+  static Future<bool> isUsernameUnique(
+    String username,
+    BuildContext context,
+  ) async {
+    var response = await http.get(Uri.parse(
+        "${AppEnviroment.baseApiUrl}/users/validate/username/$username"));
+    if (response.statusCode == 200) {
+      String body = response.body;
+      var jsonBody = jsonDecode(body);
+
+      return jsonBody["available"];
+    } else {
+      throw Exception(
+          "Error: isUsernameUnique status code ${response.statusCode}");
+    }
+  }
+
   static Future<void> deleteAccount(
     String app_id,
     BuildContext context,

Frontend/lib/mih_packages/mzansi_profile/personal_profile/package_tools/mih_personal_profile.dart

@@ -2,11 +2,13 @@ import 'dart:convert';
 
 import 'package:mzansi_innovation_hub/main.dart';
 import 'package:mzansi_innovation_hub/mih_apis/mih_file_api.dart';
+import 'package:mzansi_innovation_hub/mih_apis/mih_user_apis.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_inputs_and_buttons/mih_button.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_inputs_and_buttons/mih_file_input.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_inputs_and_buttons/mih_text_input.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_layout/mih_single_child_scroll.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_package_components/mih-app_tool_body.dart';
+import 'package:mzansi_innovation_hub/mih_components/mih_package_components/mih_app_alert.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_package_components/mih_circle_avatar.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_pop_up_messages/mih_error_message.dart';
 import 'package:mzansi_innovation_hub/mih_components/mih_pop_up_messages/mih_success_message.dart';
@@ -38,13 +40,42 @@ class _MihPersonalProfileState extends State<MihPersonalProfile> {
   late String oldProPicName;
   late String env;
 
+  void notUniqueAlert() {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return MihAppAlert(
+          alertIcon: Icon(
+            Icons.warning_amber_rounded,
+            size: 100,
+            color: MzanziInnovationHub.of(context)!.theme.errorColor(),
+          ),
+          alertTitle: "Too Slow, That Username is Taken",
+          alertBody: const Text(
+            "The username you have entered is already taken by another member of Mzansi. Please choose a different username and try again.",
+            style: TextStyle(
+              fontSize: 15,
+            ),
+          ),
+          alertColour: MzanziInnovationHub.of(context)!.theme.errorColor(),
+        );
+      },
+    );
+  }
+
   Future<void> submitForm() async {
     // print("============\nsubmiit form\n=================");
     if (isFieldsFilled()) {
+      if (widget.arguments.signedInUser.username != usernameController.text) {
+        bool isUsernameUnique = await MihUserApis.isUsernameUnique(
+            usernameController.text, context);
+        print("isUsernameUnique: $isUsernameUnique");
+        if (isUsernameUnique == false) {
+          notUniqueAlert();
+          return;
+        }
+      }
       if (oldProPicName != proPicController.text) {
-        // print("here 1");
-        // print("Pro File Name: ${proPic!.name}");
-        // print("Pro File Bytes: ${proPic!.bytes}");
         await uploadSelectedFile(proPic);
       }
       await updateUserApiCall();
@@ -134,8 +165,7 @@ class _MihPersonalProfileState extends State<MihPersonalProfile> {
             false,
           ),
         );
-        String message =
-            "${widget.arguments.signedInUser.email}'s information has been updated successfully!";
+        String message = "Your information has been updated successfully!";
         successPopUp(message);
       } else {
         internetConnectionPopUp();

backend/routers/users.py

@@ -66,10 +66,6 @@ async def read_all_users(search: str, session: SessionContainer = Depends(verify
     query = "SELECT * FROM users WHERE LOWER(email) LIKE %s OR LOWER(username) LIKE %s"
     search_term = f"%{search.lower()}%"  # Add wildcards and lowercase
     cursor.execute(query, (search_term, search_term))
-    # query = "SELECT * FROM users "
-    # query += "where email like lower('%%%s%%') " % search
-    # query += "or username like lower('%%%s%%')" % search
-    # cursor.execute(query)
     items = [
         {
             "idUser": item[0],
@@ -87,6 +83,19 @@ async def read_all_users(search: str, session: SessionContainer = Depends(verify
     db.close()
     return items
 
+# Get List of all files
+@router.get("/users/validate/username/{username}", tags=["MIH Users"])
+async def read_all_users(username: str, session: SessionContainer = Depends(verify_session()) ): #, session: SessionContainer = Depends(verify_session())
+    db = database.dbConnection.dbAppDataConnect()
+    cursor = db.cursor()
+    query = "SELECT * FROM users WHERE LOWER(username) = %s"
+    # search_term = f"%{username.lower()}%"  # Add wildcards and lowercase
+    cursor.execute(query, (username.lower(),))
+    available = cursor.fetchone() is None
+    cursor.close()
+    db.close()
+    return {"available": available}
+
 # Get List of all files
 @router.get("/user/{app_id}", tags=["MIH Users"])
 async def read_users_by_app_id(app_id: str, session: SessionContainer = Depends(verify_session())):