PhotosAPI/extensions/videos.py

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import pickle
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import re
from datetime import datetime, timezone
from os import makedirs, path, remove
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from secrets import token_urlsafe
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from shutil import move
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from typing import Union
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import aiofiles
from bson.errors import InvalidId
from bson.objectid import ObjectId
from fastapi import Security, UploadFile
from fastapi.responses import Response, UJSONResponse
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from magic import Magic
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from pymongo import DESCENDING
from starlette.status import HTTP_204_NO_CONTENT
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from classes.exceptions import (
AlbumNameNotFoundError,
SearchPageInvalidError,
SearchTokenInvalidError,
VideoNotFoundError,
VideoSearchQueryEmptyError,
)
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from classes.models import SearchResultsVideo, Video, VideoPublic
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from modules.app import app
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from modules.database import col_albums, col_tokens, col_videos
from modules.security import User, get_current_active_user
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video_post_responses = {404: AlbumNameNotFoundError("name").openapi}
@app.post(
"/albums/{album}/videos",
description="Upload a video to album",
response_class=UJSONResponse,
response_model=Video,
responses=video_post_responses,
)
async def video_upload(
file: UploadFile,
album: str,
caption: Union[str, None] = None,
current_user: User = Security(get_current_active_user, scopes=["videos.write"]),
):
if col_albums.find_one({"user": current_user.user, "name": album}) is None:
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raise AlbumNameNotFoundError(album)
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makedirs(
path.join("data", "users", current_user.user, "albums", album), exist_ok=True
)
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filename = file.filename
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if path.exists(
path.join("data", "users", current_user.user, "albums", album, file.filename)
):
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base_name = file.filename.split(".")[:-1]
extension = file.filename.split(".")[-1]
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filename = (
".".join(base_name) + f"_{int(datetime.now().timestamp())}." + extension
)
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async with aiofiles.open(
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path.join("data", "users", current_user.user, "albums", album, filename), "wb"
) as f:
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await f.write(await file.read())
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# Hashing and duplicates check should be here
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# Coords extraction should be here
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uploaded = col_videos.insert_one(
{
"user": current_user.user,
"album": album,
"filename": filename,
"dates": {
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"uploaded": datetime.now(tz=timezone.utc),
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"modified": datetime.now(tz=timezone.utc),
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},
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"caption": caption,
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}
)
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return UJSONResponse(
{
"id": uploaded.inserted_id.__str__(),
"album": album,
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"hash": "", # SHOULD BE DONE
"filename": filename,
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}
)
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video_get_responses = {404: VideoNotFoundError("id").openapi}
@app.get("/videos/{id}", description="Get a video by id", responses=video_get_responses)
async def video_get(
id: str,
current_user: User = Security(get_current_active_user, scopes=["videos.read"]),
):
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try:
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video = col_videos.find_one({"_id": ObjectId(id)})
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if video is None:
raise InvalidId(id)
except InvalidId:
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raise VideoNotFoundError(id)
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video_path = path.join(
"data", "users", current_user.user, "albums", video["album"], video["filename"]
)
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mime = Magic(mime=True).from_file(video_path)
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with aiofiles.open(video_path, "rb") as f:
video_file = await f.read()
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return Response(video_file, media_type=mime)
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video_move_responses = {404: VideoNotFoundError("id").openapi}
@app.put(
"/videos/{id}",
description="Move a video into another album",
response_model=VideoPublic,
responses=video_move_responses,
)
async def video_move(
id: str,
album: str,
current_user: User = Security(get_current_active_user, scopes=["videos.write"]),
):
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try:
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video = col_videos.find_one({"_id": ObjectId(id)})
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if video is None:
raise InvalidId(id)
except InvalidId:
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raise VideoNotFoundError(id)
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if col_albums.find_one({"user": current_user.user, "name": album}) is None:
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raise AlbumNameNotFoundError(album)
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if path.exists(
path.join(
"data", "users", current_user.user, "albums", album, video["filename"]
)
):
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base_name = video["filename"].split(".")[:-1]
extension = video["filename"].split(".")[-1]
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filename = (
".".join(base_name) + f"_{int(datetime.now().timestamp())}." + extension
)
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else:
filename = video["filename"]
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col_videos.find_one_and_update(
{"_id": ObjectId(id)},
{
"$set": {
"album": album,
"filename": filename,
"dates.modified": datetime.now(tz=timezone.utc),
}
},
)
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move(
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path.join(
"data",
"users",
current_user.user,
"albums",
video["album"],
video["filename"],
),
path.join("data", "users", current_user.user, "albums", album, filename),
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)
return UJSONResponse(
{
"id": video["_id"].__str__(),
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"caption": video["caption"],
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"filename": filename,
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}
)
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video_patch_responses = {404: VideoNotFoundError("id").openapi}
@app.patch(
"/videos/{id}",
description="Change properties of a video",
response_model=VideoPublic,
responses=video_patch_responses,
)
async def video_patch(
id: str,
caption: str,
current_user: User = Security(get_current_active_user, scopes=["videos.write"]),
):
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try:
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video = col_videos.find_one({"_id": ObjectId(id)})
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if video is None:
raise InvalidId(id)
except InvalidId:
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raise VideoNotFoundError(id)
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col_videos.find_one_and_update(
{"_id": ObjectId(id)},
{"$set": {"caption": caption, "dates.modified": datetime.now(tz=timezone.utc)}},
)
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return UJSONResponse(
{
"id": video["_id"].__str__(),
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"caption": video["caption"],
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"filename": video["filename"],
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}
)
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video_delete_responses = {404: VideoNotFoundError("id").openapi}
@app.delete(
"/videos/{id}",
description="Delete a video by id",
status_code=HTTP_204_NO_CONTENT,
responses=video_delete_responses,
)
async def video_delete(
id: str,
current_user: User = Security(get_current_active_user, scopes=["videos.write"]),
):
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try:
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video = col_videos.find_one_and_delete({"_id": ObjectId(id)})
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if video is None:
raise InvalidId(id)
except InvalidId:
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raise VideoNotFoundError(id)
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album = col_albums.find_one({"name": video["album"]})
remove(
path.join(
"data",
"users",
current_user.user,
"albums",
video["album"],
video["filename"],
)
)
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return Response(status_code=HTTP_204_NO_CONTENT)
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video_find_responses = {
400: SearchPageInvalidError().openapi,
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401: SearchTokenInvalidError().openapi,
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404: AlbumNameNotFoundError("name").openapi,
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422: VideoSearchQueryEmptyError().openapi,
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}
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@app.get(
"/albums/{album}/videos",
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description="Find a video by filename, caption or token",
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response_class=UJSONResponse,
response_model=SearchResultsVideo,
responses=video_find_responses,
)
async def video_find(
album: str,
q: Union[str, None] = None,
caption: Union[str, None] = None,
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token: Union[str, None] = None,
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page: int = 1,
page_size: int = 100,
current_user: User = Security(get_current_active_user, scopes=["videos.list"]),
):
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if token is not None:
found_record = col_tokens.find_one({"token": token})
if found_record is None:
raise SearchTokenInvalidError()
return await video_find(
album=album,
q=found_record["query"],
caption=found_record["caption"],
page=found_record["page"],
page_size=found_record["page_size"],
current_user=current_user,
)
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if col_albums.find_one({"user": current_user.user, "name": album}) is None:
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raise AlbumNameNotFoundError(album)
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if page <= 0 or page_size <= 0:
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raise SearchPageInvalidError()
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output = {"results": []}
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skip = (page - 1) * page_size
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if q is None and caption is None:
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raise VideoSearchQueryEmptyError()
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if q is None and caption is not None:
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db_query = {
"user": current_user.user,
"album": album,
"caption": re.compile(caption),
}
db_query_count = {
"user": current_user.user,
"album": album,
"caption": re.compile(caption),
}
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elif q is not None and caption is None:
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db_query = list(
col_videos.find(
{"user": current_user.user, "album": album, "filename": re.compile(q)},
limit=page_size,
skip=skip,
).sort("dates.uploaded", DESCENDING)
)
db_query_count = {
"user": current_user.user,
"album": album,
"caption": re.compile(q),
}
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else:
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db_query = list(col_videos.find({"user": current_user.user, "album": album, "filename": re.compile(q), "caption": re.compile(caption)}, limit=page_size, skip=skip).sort("dates.uploaded", DESCENDING)) # type: ignore
db_query_count = {"user": current_user.user, "album": album, "filename": re.compile(q), "caption": re.compile(caption)} # type: ignore
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videos = list(
col_videos.find(db_query, limit=page_size, skip=skip).sort(
"dates.uploaded", DESCENDING
)
)
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for video in videos:
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output["results"].append(
{
"id": video["_id"].__str__(),
"filename": video["filename"],
"caption": video["caption"],
}
)
if col_videos.count_documents(db_query_count) > page * page_size:
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token = str(token_urlsafe(32))
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col_tokens.insert_one(
{
"token": token,
"query": q,
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"caption": caption,
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"page": page + 1,
"page_size": page_size,
}
)
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output["next_page"] = f"/albums/{album}/videos/?token={token}" # type: ignore
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else:
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output["next_page"] = None # type: ignore
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return UJSONResponse(output)