Move delete user method in users package

app/users/json_routes.py

@@ -0,0 +1,33 @@
+from flask import abort, current_app
+from flask_login import current_user, login_required, logout_user
+from threading import Thread
+from app import db
+from app.decorators import content_negotiation
+from app.models import User
+from . import bp
+
+
+@bp.route('/<hashid:user_id>', methods=['DELETE'])
+@login_required
+@content_negotiation(produces='application/json')
+def delete_user(user_id):
+    def _delete_user(app, user_id):
+        with app.app_context():
+            user = User.query.get(user_id)
+            user.delete()
+            db.session.commit()
+
+    user = User.query.get_or_404(user_id)
+    if not (user == current_user or current_user.is_administrator()):
+        abort(403)
+    thread = Thread(
+        target=_delete_user,
+        args=(current_app._get_current_object(), user_id)
+    )
+    if user == current_user:
+        logout_user()
+    thread.start()
+    response_data = {
+        'message': f'User "{user.username}" marked for deletion'
+    }
+    return response_data, 202