add: order paths & mds

api/markdown.py

@@ -1,4 +1,5 @@
 from flask import Blueprint, request, jsonify
+
 import api
 from api import require_auth, etag_response
 from contexts.RequestContext import RequestContext
@@ -113,4 +114,42 @@ def delete_markdown(markdown_id):
             return jsonify({"error": f"file not found - {errno}"}), 404
         session.delete(markdown)
         session.commit()
-        return jsonify({"message": "deleted"}), 200
+        return jsonify({"message": "deleted"}), 200
+
+
+@markdown_bp.route('/move_forward/<int:markdown_id>', methods=['PATCH'])
+@require_auth(roles=['admin'])
+@limiter.limit(api.get_rate_limit)
+def move_forward(markdown_id):
+    with get_db() as session:
+        markdown = session.query(Markdown).get(markdown_id)
+        if not markdown:
+            return jsonify({"error": "file not found"}), 404
+        siblings = session.query(Markdown).filter(Markdown.path_id == markdown.path_id).order_by(Markdown.order).all()
+        current_index = siblings.index(markdown)
+        if current_index == 0:
+            return jsonify({"error": "already at the first position"}), 400
+        previous_markdown = siblings[current_index - 1]
+        markdown.order, previous_markdown.order = previous_markdown.order, markdown.order
+        session.commit()
+        return jsonify(markdown.to_dict()), 200
+
+
+@markdown_bp.route('/move_backward/<int:markdown_id>', methods=['PATCH'])
+@require_auth(roles=['admin'])
+@limiter.limit(api.get_rate_limit)
+def move_backward(markdown_id):
+    with get_db() as session:
+        markdown = session.query(Markdown).get(markdown_id)
+        if not markdown:
+            return jsonify({"error": "file not found"}), 404
+        siblings = session.query(Markdown).filter(Markdown.path_id == markdown.path_id).order_by(Markdown.order).all()
+        current_index = siblings.index(markdown)
+        if current_index == len(siblings) - 1:
+            return jsonify({"error": "already at the last position"}), 400
+
+        next_markdown = siblings[current_index + 1]
+        markdown.order, next_markdown.order = next_markdown.order, next_markdown.order
+        session.commit()
+        return jsonify(markdown.to_dict()), 200
+