feat(api): split api into multiple apps (#1626)

Fixes #1622

- split the api into 4 apps: core, history, schedule, storage
- exploded the settings into testing/prod

api/libretime_api/storage/tests/views/test_file.py

@@ -0,0 +1,42 @@
+import os
+
+from django.conf import settings
+from model_bakery import baker
+from rest_framework.test import APITestCase
+
+from ...._fixtures import AUDIO_FILENAME, fixture_path
+
+
+class TestFileViewSet(APITestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.path = "/api/v2/files/{id}/download/"
+        cls.token = settings.CONFIG.general.api_key
+
+    def test_invalid(self):
+        path = self.path.format(id="a")
+        self.client.credentials(HTTP_AUTHORIZATION=f"Api-Key {self.token}")
+        response = self.client.get(path)
+        self.assertEqual(response.status_code, 400)
+
+    def test_does_not_exist(self):
+        path = self.path.format(id="1")
+        self.client.credentials(HTTP_AUTHORIZATION=f"Api-Key {self.token}")
+        response = self.client.get(path)
+        self.assertEqual(response.status_code, 404)
+
+    def test_exists(self):
+        music_dir = baker.make(
+            "storage.MusicDir",
+            directory=str(fixture_path),
+        )
+        f = baker.make(
+            "storage.File",
+            directory=music_dir,
+            mime="audio/mp3",
+            filepath=AUDIO_FILENAME,
+        )
+        path = self.path.format(id=str(f.pk))
+        self.client.credentials(HTTP_AUTHORIZATION=f"Api-Key {self.token}")
+        response = self.client.get(path)
+        self.assertEqual(response.status_code, 200)