添加util.flask；video_clip编辑逻辑

controller/api/video_clip_blueprint.py

@@ -0,0 +1,48 @@
+import os
+
+from flask import Blueprint, jsonify, request
+
+from util.flask import not_found_json_response, error_json_response
+from workflow.video import get_video_real_duration, duration_str_to_float
+from model import db
+from model.VideoClip import VideoClip
+
+blueprint = Blueprint("api_video_clip", __name__, url_prefix="/api/video_clip")
+
+
+@blueprint.get("/<int:video_clip_id>")
+def get_video_clip_info(video_clip_id):
+    video_clip = VideoClip.get(video_clip_id)
+    if video_clip is None:
+        return not_found_json_response(id=video_clip_id)
+    return jsonify(video_clip.to_json())
+
+
+@blueprint.put("/<int:video_clip_id>")
+def modify_video_clip(video_clip_id):
+    video_clip = VideoClip.get(video_clip_id)
+    if video_clip is None:
+        return not_found_json_response(id=video_clip_id)
+    payload = request.json
+    if "workflow_id" in payload:
+        try:
+            workflow_id = int(payload["workflow_id"])
+            video_clip.workflow_id = workflow_id
+        except ValueError:
+            return error_json_response("workflow_id is not a int", workflow_id=payload["workflow_id"])
+    if "base_path" in payload:
+        if not os.path.isdir(payload["base_path"]):
+            return error_json_response("base_path is not a dir", base_path=payload["base_path"])
+        video_clip.base_path = payload["base_path"]
+    if "file" in payload:
+        if os.path.isabs(payload["file"]):
+            video_clip.base_path = ""
+        video_clip.file = payload["file"]
+    # file exist check
+    if not os.path.isfile(video_clip.full_path):
+        return error_json_response("file not exist", full_path=video_clip.full_path)
+    # update duration
+    duration = duration_str_to_float(get_video_real_duration(video_clip.full_path))
+    video_clip.duration = duration
+    db.session.commit()
+    return jsonify(video_clip.to_json())