Allow restricting to supported vendors only, for Receiving

tailbone/templates/receiving/configure.mako

@@ -3,9 +3,13 @@
 
 <%def name="form_content()">
 
-  <h3 class="block is-size-3">Supported Workflows</h3>
+  <h3 class="block is-size-3">Workflows</h3>
   <div class="block" style="padding-left: 2rem;">
 
+    <p class="block">
+      Users can only choose from the workflows enabled below.
+    </p>
+
     <b-field>
       <b-checkbox name="rattail.batch.purchase.allow_receiving_from_scratch"
                   v-model="simpleSettings['rattail.batch.purchase.allow_receiving_from_scratch']"
@@ -53,6 +57,20 @@
 
   </div>
 
+  <h3 class="block is-size-3">Vendors</h3>
+  <div class="block" style="padding-left: 2rem;">
+
+    <b-field message="If set, user must choose a &quot;supported&quot; vendor; otherwise they may choose &quot;any&quot; vendor.">
+      <b-checkbox name="rattail.batch.purchase.supported_vendors_only"
+                  v-model="simpleSettings['rattail.batch.purchase.supported_vendors_only']"
+                  native-value="true"
+                  @input="settingsNeedSaved = true">
+        Only allow batch for "supported" vendors
+      </b-checkbox>
+    </b-field>
+
+  </div>
+
   <h3 class="block is-size-3">Display</h3>
   <div class="block" style="padding-left: 2rem;">
 

tailbone/views/purchasing/receiving.py

@@ -311,6 +311,24 @@ class ReceivingBatchView(PurchasingBatchView):
         # configure vendor field
         app = self.get_rattail_app()
         vendor_handler = app.get_vendor_handler()
+        if self.rattail_config.getbool('rattail.batch', 'purchase.supported_vendors_only'):
+            # only show vendors for which we have dedicated invoice parsers
+            vendors = {}
+            for parser in self.batch_handler.get_supported_invoice_parsers():
+                if parser.vendor_key:
+                    vendor = vendor_handler.get_vendor(self.Session(),
+                                                       parser.vendor_key)
+                    if vendor:
+                        vendors[vendor.uuid] = vendor
+            vendors = sorted(vendors.values(), key=lambda v: v.name)
+            vendor_values = [(vendor.uuid, vendor_handler.render_vendor(vendor))
+                             for vendor in vendors]
+            if use_buefy:
+                form.set_widget('vendor', dfwidget.SelectWidget(values=vendor_values))
+            else:
+                form.set_widget('vendor', forms.widgets.JQuerySelectWidget(values=vendor_values))
+        else:
+            # user may choose *any* available vendor
             use_dropdown = vendor_handler.choice_uses_dropdown()
             if use_dropdown:
                 vendors = self.Session.query(model.Vendor)\
@@ -1876,7 +1894,7 @@ class ReceivingBatchView(PurchasingBatchView):
         config = self.rattail_config
         return [
 
-            # supported workflows
+            # workflows
             {'section': 'rattail.batch',
              'option': 'purchase.allow_receiving_from_scratch',
              'type': bool},
@@ -1893,6 +1911,11 @@ class ReceivingBatchView(PurchasingBatchView):
              'option': 'purchase.allow_truck_dump_receiving',
              'type': bool},
 
+            # vendors
+            {'section': 'rattail.batch',
+             'option': 'purchase.supported_vendors_only',
+             'type': bool},
+
             # display
             {'section': 'rattail.batch',
              'option': 'purchase.receiving.show_ordered_column_in_grid',