fix: add basic master view for Product Costs

tailbone/menus.py

@@ -394,6 +394,11 @@ class TailboneMenuHandler(WuttaMenuHandler):
                     'route': 'products',
                     'perm': 'products.list',
                 },
+                {
+                    'title': "Product Costs",
+                    'route': 'product_costs',
+                    'perm': 'product_costs.list',
+                },
                 {
                     'title': "Departments",
                     'route': 'departments',
@@ -451,6 +456,11 @@ class TailboneMenuHandler(WuttaMenuHandler):
                     'route': 'vendors',
                     'perm': 'vendors.list',
                 },
+                {
+                    'title': "Product Costs",
+                    'route': 'product_costs',
+                    'perm': 'product_costs.list',
+                },
                 {'type': 'sep'},
                 {
                     'title': "Ordering",

tailbone/views/products.py

@@ -34,7 +34,7 @@ import sqlalchemy_continuum as continuum
 
 from rattail import enum, pod, sil
 from rattail.db import api, auth, Session as RattailSession
-from rattail.db.model import Product, PendingProduct, CustomerOrderItem
+from rattail.db.model import Product, PendingProduct, ProductCost, CustomerOrderItem
 from rattail.gpc import GPC
 from rattail.threads import Thread
 from rattail.exceptions import LabelPrintingError
@@ -2668,6 +2668,78 @@ class PendingProductView(MasterView):
                         permission=f'{permission_prefix}.ignore_product')
 
 
+class ProductCostView(MasterView):
+    """
+    Master view for Product Costs
+    """
+    model_class = ProductCost
+    route_prefix = 'product_costs'
+    url_prefix = '/products/costs'
+    has_versions = True
+
+    grid_columns = [
+        '_product_key_',
+        'vendor',
+        'preference',
+        'code',
+        'case_size',
+        'case_cost',
+        'pack_size',
+        'pack_cost',
+        'unit_cost',
+    ]
+
+    def query(self, session):
+        """ """
+        query = super().query(session)
+        model = self.app.model
+
+        # always join on Product
+        return query.join(model.Product)
+
+    def configure_grid(self, g):
+        """ """
+        super().configure_grid(g)
+        model = self.app.model
+
+        # product key
+        field = self.get_product_key_field()
+        g.set_renderer(field, self.render_product_key)
+        g.set_sorter(field, getattr(model.Product, field))
+        g.set_sort_defaults(field)
+        g.set_filter(field, getattr(model.Product, field))
+
+        # vendor
+        g.set_joiner('vendor', lambda q: q.join(model.Vendor))
+        g.set_sorter('vendor', model.Vendor.name)
+        g.set_filter('vendor', model.Vendor.name, label="Vendor Name")
+
+    def render_product_key(self, cost, field):
+        """ """
+        handler = self.app.get_products_handler()
+        return handler.render_product_key(cost.product)
+
+    def configure_form(self, f):
+        """ """
+        super().configure_form(f)
+
+        # product
+        f.set_renderer('product', self.render_product)
+        if 'product_uuid' in f and 'product' in f:
+            f.remove('product')
+            f.replace('product_uuid', 'product')
+
+        # vendor
+        f.set_renderer('vendor', self.render_vendor)
+        if 'vendor_uuid' in f and 'vendor' in f:
+            f.remove('vendor')
+            f.replace('vendor_uuid', 'vendor')
+
+        # futures
+        # TODO: should eventually show a subgrid here?
+        f.remove('futures')
+
+
 def defaults(config, **kwargs):
     base = globals()
 
@@ -2677,6 +2749,9 @@ def defaults(config, **kwargs):
     PendingProductView = kwargs.get('PendingProductView', base['PendingProductView'])
     PendingProductView.defaults(config)
 
+    ProductCostView = kwargs.get('ProductCostView', base['ProductCostView'])
+    ProductCostView.defaults(config)
+
 
 def includeme(config):
     defaults(config)