Add typescript support and automatic openapi client generation from ninja

staticfiles/processors.py

@@ -1,6 +1,7 @@
 import logging
 import subprocess
 from dataclasses import dataclass
+from hashlib import sha1
 from pathlib import Path
 from typing import Iterable
 
@@ -8,6 +9,7 @@ import rjsmin
 import sass
 from django.conf import settings
 
+from sith.urls import api
 from staticfiles.apps import GENERATED_ROOT
 
 
@@ -71,3 +73,38 @@ class JS:
             minified = rjsmin.jsmin(p.read_text())
             p.write_text(minified)
             logging.getLogger("main").info(f"Minified {path}")
+
+
+class OpenApi:
+    OPENAPI_DIR = GENERATED_ROOT / "openapi"
+
+    @classmethod
+    def compile(cls):
+        """Compile a typescript client for the sith API. Only generates it if it changed"""
+        logging.getLogger("django").info("Compiling open api typescript client")
+        out = cls.OPENAPI_DIR / "schema.json"
+        cls.OPENAPI_DIR.mkdir(parents=True, exist_ok=True)
+
+        old_hash = ""
+        if out.exists():
+            with open(out, "rb") as f:
+                old_hash = sha1(f.read()).hexdigest()
+
+        schema = api.get_openapi_schema()
+        # Remove hash from operationIds
+        # This is done for cache invalidation but this is too aggressive
+        for path in schema["paths"].values():
+            for action, desc in path.items():
+                path[action]["operationId"] = "_".join(
+                    desc["operationId"].split("_")[:-1]
+                )
+        schema = str(schema)
+
+        if old_hash == sha1(schema.encode("utf-8")).hexdigest():
+            logging.getLogger("django").info("✨ Api did not change, nothing to do ✨")
+            return
+
+        with open(out, "w") as f:
+            _ = f.write(schema)
+
+        subprocess.run(["npx", "openapi-ts"]).check_returncode()