loan: update loan

* Adds route to update loan.
* Adds update_loan method in api.

Co-Authored-by: Alicia Zangger <alicia.zangger@rero.ch>

rero_ils/modules/items/api.py

@@ -894,6 +894,17 @@ def checkout(self, current_loan, **kwargs):
         actions.update({LoanAction.CHECKOUT: loan})
         return self, actions
 
+
+    @add_loans_parameters_and_flush_indexes
+    def update_loan(self, current_loan, **kwargs):
+        """Update a loan."""
+        loan = Loan.get_record_by_pid(kwargs.get('pid'))
+        if kwargs.get("pickup_location_pid"):
+            data = {'pickup_location_pid': kwargs.get("pickup_location_pid")}
+            loan.update(data, dbcommit=True, reindex=True)
+        return self, { }
+
+
     @add_loans_parameters_and_flush_indexes
     def cancel_loan(self, current_loan, **kwargs):
         """Cancel a given item loan for a patron."""

rero_ils/modules/items/api_views.py

@@ -167,6 +167,15 @@ def cancel_loan(item, params):
     return item.cancel_loan(**params)
 
 
+@api_blueprint.route("/update_loan", methods=['POST'])
+@check_authentication
+@jsonify_action
+def update_loan(item, params):
+    """HTTP request for cancel action."""
+    # print('update', item, params)
+    return item.update_loan(**params)
+
+
 @api_blueprint.route("/lose", methods=['POST'])
 @check_authentication
 @jsonify_action