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Fix post_authors duplicate key during Ghost sync

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Add explicit flush after DELETE and dedup authors/tags to prevent
autoflush-triggered IntegrityError on composite PK.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
giles
2026-02-25 11:47:50 +00:00
parent 95bd32bd71
commit 3be287532d
1 changed files with 12 additions and 4 deletions
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16
blog/bp/blog/ghost/ghost_sync.py
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@@ -185,17 +185,25 @@ async def _upsert_post(sess: AsyncSession, gp: Dict[str, Any], author_map: Dict[
obj.user_id = user_id
await sess.flush()
# rebuild post_authors
# rebuild post_authors (dedup to avoid composite PK conflicts from Ghost dupes)
await sess.execute(delete(PostAuthor).where(PostAuthor.post_id == obj.id))
await sess.flush()
seen_authors: set[int] = set()
for idx, a in enumerate(gp.get("authors") or []):
aa = author_map[a["id"]]
sess.add(PostAuthor(post_id=obj.id, author_id=aa.id, sort_order=idx))
if aa.id not in seen_authors:
seen_authors.add(aa.id)
sess.add(PostAuthor(post_id=obj.id, author_id=aa.id, sort_order=idx))
# rebuild post_tags
# rebuild post_tags (dedup similarly)
await sess.execute(delete(PostTag).where(PostTag.post_id == obj.id))
await sess.flush()
seen_tags: set[int] = set()
for idx, t in enumerate(gp.get("tags") or []):
tt = tag_map[t["id"]]
sess.add(PostTag(post_id=obj.id, tag_id=tt.id, sort_order=idx))
if tt.id not in seen_tags:
seen_tags.add(tt.id)
sess.add(PostTag(post_id=obj.id, tag_id=tt.id, sort_order=idx))
# Auto-create PageConfig for pages
if obj.is_page: