my-video-workflow/controller/api/bilirecorder_blueprint.py
2022-04-15 12:26:43 +08:00

135 lines
4.6 KiB
Python

import os.path
from datetime import datetime, timedelta
from glob import glob
from flask import Blueprint, jsonify, request, current_app
from typing import Optional
from config import BILILIVE_RECORDER_DIRECTORY, VIDEO_TITLE
from model import db
from model.DanmakuClip import DanmakuClip
from model.VideoClip import VideoClip
from model.Workflow import Workflow
blueprint = Blueprint("api_bilirecorder", __name__, url_prefix="/api/bilirecorder")
bili_record_workflow_item: Optional[Workflow] = None
def clear_item():
global bili_record_workflow_item
bili_record_workflow_item = None
def commit_item():
global bili_record_workflow_item
if bili_record_workflow_item is None:
return
bili_record_workflow_item.calculate_start_time()
db.session.commit()
def safe_create_item():
global bili_record_workflow_item
if bili_record_workflow_item is None:
bili_record_workflow_item = Workflow.query.filter(
Workflow.update_time > (datetime.now() - timedelta(hours=8)),
Workflow.automatic == 1
).first()
if bili_record_workflow_item is None:
bili_record_workflow_item = Workflow()
else:
if bili_record_workflow_item is not None and bili_record_workflow_item.id is not None:
bili_record_workflow_item.editing = False
commit_item()
bili_record_workflow_item = Workflow()
if bili_record_workflow_item is None:
bili_record_workflow_item = Workflow()
bili_record_workflow_item.name = VIDEO_TITLE.format(datetime.now().strftime("%Y%m%d"))
bili_record_workflow_item.automatic = True
bili_record_workflow_item.editing = True
db.session.commit()
return bili_record_workflow_item
def safe_get_item() -> Workflow:
global bili_record_workflow_item
if bili_record_workflow_item is None:
return safe_create_item()
return bili_record_workflow_item
def collect_danmaku_files(workflow: Optional[Workflow]):
if workflow is None:
return
clip: VideoClip
for clip in workflow.video_clips:
full_path = clip.full_path
pre_file_name = os.path.splitext(full_path)[0]
# 理论上也只有一个结果
for danmaku_file in glob("{}*xml".format(pre_file_name)):
if os.path.exists(danmaku_file):
relpath = os.path.relpath(danmaku_file, BILILIVE_RECORDER_DIRECTORY)
# 确认是否已经添加
already_add = False
for danmaku_clip in workflow.danmaku_clips:
if danmaku_clip.file == relpath and danmaku_clip.base_path == BILILIVE_RECORDER_DIRECTORY:
already_add = True
break
if not already_add:
danmaku = DanmakuClip()
danmaku.file = relpath
danmaku.base_path = BILILIVE_RECORDER_DIRECTORY
danmaku.offset = 0
danmaku.workflow = workflow
db.session.add(danmaku)
workflow.danmaku_clips.append(danmaku)
commit_item()
@blueprint.post("/")
def bilirecorder_event():
payload = request.json
current_app.logger.debug(payload)
if 'EventType' not in payload:
response = jsonify({
'error': "异常",
'payload': payload,
})
response.status_code = 403
return response
if payload['EventType'] == "SessionStarted":
# 录制开始
safe_create_item()
elif payload['EventType'] == "SessionEnded":
# 录制结束
item = safe_get_item()
item.editing = False
commit_item()
clear_item()
return jsonify(item.to_dict())
elif payload['EventType'] == "FileClosed":
# 文件关闭
item = safe_get_item()
event_data = payload.get("EventData", {})
video_file = event_data.get("RelativePath", None)
# 判断是否重复
already_add = False
for clip in item.video_clips:
if video_file == clip.file and clip.base_path == BILILIVE_RECORDER_DIRECTORY:
already_add = True
break
if not already_add:
video_clip = VideoClip()
video_clip.file = video_file
video_clip.base_path = BILILIVE_RECORDER_DIRECTORY
video_clip.duration = event_data.get("Duration", 0)
item.video_clips.append(video_clip)
commit_item()
collect_danmaku_files(item)
return jsonify(item.to_dict())
commit_item()
item = safe_get_item()
return jsonify(item.to_dict())