use markdown to edit

Html/apps/views/lessons.py

@@ -5,9 +5,18 @@ from bson import ObjectId
 from datetime import datetime
 from ..auth.decorators import require_role
 from ..services.course_service import load_material,save_materials_markdown_cos
+from ..services.cos_service import upload_file
+import uuid
 
 bp = Blueprint('lesson', __name__)
 
+@bp.route("/api/upload", methods=["POST"])
+def upload():
+    f = request.files['file']
+    url = upload_file(f, "image_" + str(uuid.uuid4()))
+    return jsonify({"url": url})
+
+
 # 返回课时元信息（含三份 markdown 的可访问链接或直接内容）
 @bp.route('/api/materials/<material_id>/chapters/<chapter_name>/lessons/<lesson_name>', methods=['GET'])
 @require_role(roles="teacher")