Add basic API functions and working account.auth method

api/api_errors.py

@@ -0,0 +1,41 @@
+import traceback
+
+# как создавать ошибку
+# raise Exception(API_ERROR_XXX, <related_obj>)
+
+
+API_ERROR_INTERNAL_ERROR = (100, 'internal error')
+
+API_ERROR_METHOD_NOT_FOUND = (200, 'method not found')
+API_ERROR_MISSING_ARGUMENT = (201, 'missing argument')
+API_ERROR_UNKNOWN_ARGUMENT = (202, 'unknown argument')
+API_ERROR_INVALID_ARGUMENT_TYPE = (203, 'invalid argument type')
+
+API_ERROR_TOKEN_CREATION = (500, 'token creation error')
+
+API_ERROR_INVALID_LOGIN = (501, 'invalid login')
+API_ERROR_INVALID_PASSWORD = (502, 'invalid password')
+API_ERROR_INVALID_TOKEN = (503, 'invalid token')
+
+
+def make_error_object(ex: Exception):
+    try:
+        data = {
+            "error": {
+                "code": ex.args[0][0],
+                "message": ex.args[0][1]
+            }
+        }
+
+        if len(ex.args) >= 2:
+            data["error"]["related"] = ex.args[1]
+
+        return data
+    except Exception:
+        traceback.print_exc()
+        return {
+            "error": {
+                "code": API_ERROR_INTERNAL_ERROR[0],
+                "message": API_ERROR_INTERNAL_ERROR[1]
+            }
+        }