PO Contact (#305)

* Bug fix in API forms

- Allow form fields to specify custom filters at runtime

* Add "contact" model to purchase order edit form

* Add action to create new purchase order from list widget

* widget updates for purchase order

lib/api.dart

@@ -285,6 +285,9 @@ class InvenTreeAPI {
   // ReturnOrder supports API v104 or newer
   bool get supportsReturnOrders => isConnected() && apiVersion >= 104;
 
+  // "Contact" model exposed to API
+  bool get supportsContactModel => isConnected() && apiVersion >= 104;
+
   // Status label endpoints API v105 or newer
   bool get supportsStatusLabelEndpoints => isConnected() && apiVersion >= 105;
 

lib/api_form.dart

@@ -523,18 +523,17 @@ class APIFormField {
       ),
       selectedItem: initial_data,
       asyncItems: (String filter) async {
-        Map<String, String> filters = {};
+        Map<String, String> _filters = {};
 
         filters.forEach((key, value) {
-          filters[key] = value;
+          _filters[key] = value;
         });
 
-        filters["search"] = filter;
-        filters["offset"] = "0";
-        filters["limit"] = "25";
+        _filters["search"] = filter;
+        _filters["offset"] = "0";
+        _filters["limit"] = "25";
 
-        final APIResponse response =
-            await InvenTreeAPI().get(api_url, params: filters);
+        final APIResponse response = await InvenTreeAPI().get(api_url, params: _filters);
 
         if (response.isValid()) {
           List<dynamic> results = [];
@@ -650,6 +649,13 @@ class APIFormField {
           title: Text(name),
           leading: FaIcon(isGroup ? FontAwesomeIcons.users : FontAwesomeIcons.user),
         );
+      case "contact":
+        String name = (data["name"] ?? "") as String;
+        String role = (data["role"] ?? "") as String;
+        return ListTile(
+          title: Text(name),
+          subtitle: Text(role),
+        );
       case "company":
         var company = InvenTreeCompany.fromJson(data);
         return ListTile(

lib/inventree/purchase_order.dart

@@ -26,11 +26,21 @@ class InvenTreePurchaseOrder extends InvenTreeModel {
   Map<String, dynamic> formFields() {
     return {
       "reference": {},
+      "supplier": {
+        "filters": {
+          "is_supplier": true,
+        },
+      },
       "supplier_reference": {},
       "description": {},
       "target_date": {},
       "link": {},
       "responsible": {},
+      "contact": {
+        "filters": {
+          "company": supplierId,
+        }
+      },
     };
   }
 

lib/l10n/app_en.arb

@@ -726,6 +726,9 @@
   "purchaseOrder": "Purchase Order",
   "@purchaseOrder": {},
 
+  "purchaseOrderCreate": "New Purchase Order",
+  "@purchaseOrderCreate": {},
+
   "purchaseOrderEdit": "Edit Purchase Order",
   "@purchaseOrderEdit": {},
 

lib/widget/purchase_order_detail.dart

@@ -83,11 +83,19 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
     );
   }
 
+  // Edit the currently displayed PurchaseOrder
   Future <void> editOrder(BuildContext context) async {
+    var fields = order.formFields();
+    fields.remove("supplier");
+
+    if (!api.supportsContactModel) {
+      fields.remove("contact");
+    }
 
     order.editForm(
       context,
       L10().purchaseOrderEdit,
+      fields: fields,
       onSuccess: (data) async {
         refresh(context);
         showSnackIcon(L10().purchaseOrderUpdated, success: true);
@@ -143,8 +151,8 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
 
     tiles.add(ListTile(
       title: Text(L10().lineItems),
-      leading: FaIcon(FontAwesomeIcons.clipboardList, color: COLOR_CLICK),
-      trailing: Text("${order.lineItemCount}"),
+      leading: FaIcon(FontAwesomeIcons.clipboardCheck),
+      trailing: Text("${completedLines} /  ${order.lineItemCount}"),
     ));
 
     tiles.add(ListTile(
@@ -155,12 +163,6 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
       ),
     ));
 
-    tiles.add(ListTile(
-      title: Text(L10().received),
-      leading: FaIcon(FontAwesomeIcons.clipboardCheck, color: COLOR_CLICK),
-      trailing: Text("${completedLines}"),
-    ));
-
     if (order.issueDate.isNotEmpty) {
       tiles.add(ListTile(
         title: Text(L10().issueDate),
@@ -312,8 +314,6 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
 
     List<Widget> tiles = [];
 
-    tiles.add(headerTile(context));
-
     for (var line in lines) {
 
       InvenTreeSupplierPart? supplierPart = line.supplierPart;
@@ -347,9 +347,6 @@ class _PurchaseOrderDetailState extends RefreshableState<PurchaseOrderDetailWidg
               ),
             ),
             onTap: () {
-              // TODO: ?
-            },
-            onLongPress: () {
               lineItemMenu(context, line);
             },
           )

lib/widget/purchase_order_list.dart

@@ -1,4 +1,5 @@
 import "package:flutter/material.dart";
+import "package:flutter_speed_dial/flutter_speed_dial.dart";
 import "package:font_awesome_flutter/font_awesome_flutter.dart";
 
 import "package:inventree/inventree/company.dart";
@@ -47,6 +48,51 @@ class _PurchaseOrderListWidgetState extends RefreshableState<PurchaseOrderListWi
     )
   ];
 
+  @override
+  List<SpeedDialChild> actionButtons(BuildContext context) {
+    List<SpeedDialChild> actions = [];
+
+    if (api.checkPermission("purchase_order", "add")) {
+      actions.add(
+        SpeedDialChild(
+          child: FaIcon(FontAwesomeIcons.circlePlus),
+          label: L10().purchaseOrderCreate,
+          onTap: () {
+            createPurchaseOrder(context);
+          }
+        )
+      );
+    }
+
+    return actions;
+  }
+
+  Future<void> createPurchaseOrder(BuildContext context) async {
+    var fields = InvenTreePurchaseOrder().formFields();
+
+    fields.remove("contact");
+
+    InvenTreePurchaseOrder().createForm(
+      context,
+      L10().purchaseOrderCreate,
+      fields: fields,
+      onSuccess: (result) async {
+        Map<String, dynamic> data = result as Map<String, dynamic>;
+
+        if (data.containsKey("pk")) {
+          var order = InvenTreePurchaseOrder.fromJson(data);
+
+          Navigator.push(
+            context,
+            MaterialPageRoute(
+              builder: (context) => PurchaseOrderDetailWidget(order)
+            )
+          );
+        }
+      }
+    );
+  }
+
   @override
   Widget getBody(BuildContext context) {
     return PaginatedPurchaseOrderList(filters, showFilterOptions);