api: add: edit accounts

accounts/views/edit.py

@@ -0,0 +1,42 @@
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import permissions, status
+from django.http import HttpRequest
+from django.contrib.auth import login
+from rest_framework.authentication import SessionAuthentication
+from django.contrib.auth.models import User
+import re
+
+class EditView(APIView):
+
+    permission_classes = (permissions.IsAuthenticated,)
+    authentication_classes = (SessionAuthentication,)
+
+    def patch(self, request: HttpRequest):
+        data: dict = request.data
+
+        current_password: str = data.get("current_password")
+        if (current_password is None):
+            return Response({"current_password": ["This field may not be blank."]})
+
+        user_object = request.user
+
+        if (user_object.check_password(current_password) == False):
+            return Response({"current_password": ["Password is wrong."]})
+
+        new_username = data.get("username", user_object.username)
+        if (new_username != user_object.username):
+            if (User.objects.filter(username=new_username).exists()):
+                return Response({"username": ["A user with that username already exists."]})
+            if (set(new_username) == {' '}):
+                return Response({"username": ["This field may not be blank."]})
+            if (re.search('^([a-z]||\@||\+||\-||\_)+$', new_username) is None):
+                return Response({"username":["Enter a valid username. This value may contain only letters, numbers, and @/./+/-/_ characters."]})
+
+        new_password: str = data.get("password")
+        if (new_password is not None):
+           user_object.set_password(new_password)
+        
+        user_object.save()
+
+        return Response("data has been alterate")