Banners, additional images, and files upload to Dropbox.

Dropbox file IDs are saved with the article in Supabase. Banners appear in thumbnails and behind the article title/subtitle. Additional images and files appear below the article text.
2026-09-13 08:58:09 -07:00
parent 206bbbc5ed
commit 6e3779e500
10 changed files with 454 additions and 14 deletions
@@ -0,0 +1,59 @@
+"""Migrate referenced local article media; originals are retained as backups."""
+import argparse
+import json
+
+from dotenv import load_dotenv
+
+from backend import main, dropbox_storage
+
+
+def migrate(apply=False):
+    records = main.article_records()
+    media = {item["url"]: item for post in records for item in [post.get("banner"), *(post.get("attachments") or [])] if item}
+    local = [item for item in media.values() if item.get("storage") != "dropbox"]
+    print(f"{len(local)} local media references across {len(records)} articles.")
+    if not apply:
+        print("Preview only. Use --apply to upload files and update article metadata.")
+        return
+    dropbox_storage.get_dropbox()  # Fail before modifying anything if not configured.
+    converted = {}
+    for item in local:
+        upload_id = item["url"].rsplit("/", 1)[-1]
+        stored = main.uploaded_media(upload_id)
+        if stored.get("storage") != "dropbox":
+            data = (main.UPLOAD_DIR / upload_id).read_bytes()
+            stored = {**stored, "storage": "dropbox", "dropbox_file_id": dropbox_storage.upload(data, upload_id, stored["name"])}
+            main.save_media_metadata(upload_id, stored)
+            # Keep old URLs working on this server too; retain the original bytes.
+            (main.UPLOAD_DIR / f"{upload_id}.json").write_text(json.dumps(stored), encoding="utf-8")
+        converted[item["url"]] = stored
+    client = main.get_supabase()
+    for post in records:
+        banner = post.get("banner")
+        attachments = post.get("attachments") or []
+        replacement = {
+            "banner": converted.get(banner["url"], banner) if banner else None,
+            "attachments": [converted.get(item["url"], item) for item in attachments],
+        }
+        if replacement == {"banner": banner, "attachments": attachments}:
+            continue
+        if client is not None:
+            result = client.table(main.articles_table()).update(replacement).eq("slug", post["slug"]).execute()
+            if not result.data:
+                raise RuntimeError("An article could not be updated. Retry the migration.")
+        else:
+            with main.POSTS_LOCK:
+                latest = json.loads(main.POSTS_PATH.read_text(encoding="utf-8"))
+                for current in latest:
+                    if current["slug"] == post["slug"]:
+                        current.update(replacement)
+                main.save_local_posts(latest)
+    print(f"Updated {len(converted)} media references. Original local files were retained.")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--apply", action="store_true")
+    arguments = parser.parse_args()
+    load_dotenv(main.BASE_DIR / ".env")
+    migrate(arguments.apply)