Add confirmation field for incomplete purchase orders (#3615)

* Add confirmation field for incomplete purchase orders

* Add similar functionality for SalesOrder

- Complete form is now context sensitive
- Allow user to specify if order should be closed with incomplete lines

* Update API version

* JS linting

* Updated unit tests

InvenTree/templates/js/translated/forms.js

@@ -328,8 +328,6 @@ function constructForm(url, options) {
         constructFormBody({}, options);
     }
 
-    options.fields = options.fields || {};
-
     // Save the URL
     options.url = url;
 
@@ -351,6 +349,13 @@ function constructForm(url, options) {
         // Extract any custom 'context' information from the OPTIONS data
         options.context = OPTIONS.context || {};
 
+        // Construct fields (can be a static parameter or a function)
+        if (options.fieldsFunction) {
+            options.fields = options.fieldsFunction(options);
+        } else {
+            options.fields = options.fields || {};
+        }
+
         /*
          * Determine what "type" of form we want to construct,
          * based on the requested action.

InvenTree/templates/js/translated/order.js

@@ -24,6 +24,7 @@
     cancelPurchaseOrder,
     cancelSalesOrder,
     completePurchaseOrder,
+    completeSalesOrder,
     completeShipment,
     completePendingShipments,
     createPurchaseOrder,
@@ -282,6 +283,17 @@ function completePurchaseOrder(order_id, options={}) {
             method: 'POST',
             title: '{% trans "Complete Purchase Order" %}',
             confirm: true,
+            fieldsFunction: function(opts) {
+                var fields = {
+                    accept_incomplete: {},
+                };
+
+                if (opts.context.is_complete) {
+                    delete fields['accept_incomplete'];
+                }
+
+                return fields;
+            },
             preFormContent: function(opts) {
 
                 var html = `
@@ -373,6 +385,59 @@ function issuePurchaseOrder(order_id, options={}) {
 }
 
 
+/*
+ * Launches a modal form to mark a SalesOrder as "complete"
+ */
+function completeSalesOrder(order_id, options={}) {
+
+    constructForm(
+        `/api/order/so/${order_id}/complete/`,
+        {
+            method: 'POST',
+            title: '{% trans "Complete Sales Order" %}',
+            confirm: true,
+            fieldsFunction: function(opts) {
+                var fields = {
+                    accept_incomplete: {},
+                };
+
+                if (opts.context.is_complete) {
+                    delete fields['accept_incomplete'];
+                }
+
+                return fields;
+            },
+            preFormContent: function(opts) {
+                var html = `
+                <div class='alert alert-block alert-info'>
+                    {% trans "Mark this order as complete?" %}
+                </div>`;
+
+                if (opts.context.pending_shipments) {
+                    html += `
+                    <div class='alert alert-block alert-danger'>
+                    {% trans "Order cannot be completed as there are incomplete shipments" %}<br>
+                    </div>`;
+                }
+
+                if (!opts.context.is_complete) {
+                    html += `
+                    <div class='alert alert-block alert-warning'>
+                    {% trans "This order has line items which have not been completed." %}<br>
+                    {% trans "Completing this order means that the order and line items will no longer be editable." %}
+                    </div>`;
+                }
+
+                return html;
+            },
+            onSuccess: function(response) {
+                handleFormSuccess(response, options);
+            }
+        }
+    );
+}
+
+
 /*
  * Launches a modal form to mark a SalesOrder as "cancelled"
  */