feat: add models and partially custom error messages

itd/exceptions.py

@@ -0,0 +1,43 @@
+class NoCookie(Exception):
+    def __str__(self):
+        return 'No cookie for refresh-token required action'
+
+class NoAuthData(Exception):
+    def __str__(self):
+        return 'No auth data. Provide token or cookies'
+
+class InvalidCookie(Exception):
+    def __str__(self):
+        return f'Invalid cookie data'
+
+class InvalidToken(Exception):
+    def __str__(self):
+        return f'Invalid access token'
+
+
+class SamePassword(Exception):
+    def __str__(self):
+        return 'Old and new password must not equals'
+
+class InvalidOldPassword(Exception):
+    def __str__(self):
+        return 'Old password is incorrect'
+
+class UserNotFound(Exception):
+    def __str__(self):
+        return 'User not found'
+
+class UserBanned(Exception):
+    def __str__(self):
+        return 'User banned'
+
+class InvalidProfileData(Exception):
+    def __init__(self, name: str, value: str):
+        self.name = name
+        self.value = value
+    def __str__(self):
+        return f'Invalid update profile data {self.name}: "{self.value}"'
+
+class PendingRequestExists(Exception):
+    def __str__(self):
+        return 'Pending verifiaction request already exists'