microblog.pub/app/utils/facepile.py

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import datetime
from dataclasses import dataclass
from typing import Optional
from loguru import logger
from app import media
from app.models import InboxObject
from app.models import Webmention
from app.utils.url import make_abs
@dataclass
class Face:
ap_actor_id: str | None
url: str
name: str
picture_url: str
created_at: datetime.datetime
@classmethod
def from_inbox_object(cls, like: InboxObject) -> "Face":
return cls(
ap_actor_id=like.actor.ap_id,
url=like.actor.url, # type: ignore
name=like.actor.handle, # type: ignore
picture_url=like.actor.resized_icon_url,
created_at=like.created_at, # type: ignore
)
@classmethod
def from_webmention(cls, webmention: Webmention) -> Optional["Face"]:
items = webmention.source_microformats.get("items", []) # type: ignore
for item in items:
if item["type"][0] == "h-card":
try:
return cls(
ap_actor_id=None,
url=webmention.source,
name=item["properties"]["name"][0],
picture_url=media.resized_media_url(
make_abs(
item["properties"]["photo"][0], webmention.source
), # type: ignore
50,
),
created_at=webmention.created_at, # type: ignore
)
except Exception:
logger.exception(
f"Failed to build Face for webmention id={webmention.id}"
)
break
elif item["type"][0] == "h-entry":
author = item["properties"]["author"][0]
try:
return cls(
ap_actor_id=None,
url=webmention.source,
name=author["properties"]["name"][0],
picture_url=media.resized_media_url(
make_abs(
author["properties"]["photo"][0], webmention.source
), # type: ignore
50,
),
created_at=webmention.created_at, # type: ignore
)
except Exception:
logger.exception(
f"Failed to build Face for webmention id={webmention.id}"
)
break
return None
def merge_faces(faces: list[Face]) -> list[Face]:
return sorted(
faces,
key=lambda f: f.created_at,
reverse=True,
)[:10]