WIP: Custom exceptions handling and new models

classes/exceptions.py

@@ -0,0 +1,46 @@
+from typing import Literal
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+
+class AlbumNotFoundError(Exception):
+    def __init__(self, id: str):
+        self.id = id
+        self.openapi = {
+            "description": "Album does not exist",
+            "content": {
+                "application/json": {
+                    "example": {
+                        "detail": "Could not find an album with id '{id}'."
+                    }
+                }
+            }
+        }
+
+class AlbumAlreadyExistsError(Exception):
+    def __init__(self, name: str):
+        self.name = name
+        self.openapi = {
+            "description": "Album already exists",
+            "content": {
+                "application/json": {
+                    "example": {
+                        "detail": "Album with name '{name}' already exists."
+                    }
+                }
+            }
+        }
+
+class AlbumIncorrectError(Exception):
+    def __init__(self, place: Literal["name", "title"], error: str) -> None:
+        self.place = place
+        self.error = error
+        self.openapi = {
+            "description": "Album name/title invalid",
+            "content": {
+                "application/json": {
+                    "example": {
+                        "detail": "Album {name/title} invalid: {error}"
+                    }
+                }
+            }
+        }