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Fix vendor filter/sort issues in products grid.

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This commit is contained in:
Lance Edgar 2014-04-12 19:14:14 -07:00
parent 0d65691952
commit e4ef46d4fc
1 changed files with 31 additions and 16 deletions
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47
tailbone/views/products.py
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@ -27,7 +27,7 @@ Product Views
""" """
from sqlalchemy import and_ from sqlalchemy import and_
from sqlalchemy.orm import joinedload from sqlalchemy.orm import joinedload, aliased
from webhelpers.html.tags import link_to from webhelpers.html.tags import link_to
@ -60,18 +60,32 @@ class ProductsGrid(SearchableAlchemyGridView):
config_prefix = 'products' config_prefix = 'products'
sort = 'description' sort = 'description'
# These aliases enable the grid queries to filter products which may be
# purchased from *any* vendor, and yet sort by only the "preferred" vendor
# (since that's what shows up in the grid column).
ProductCostAny = aliased(ProductCost)
VendorAny = aliased(Vendor)
def join_map(self): def join_map(self):
# def join_vendor(q): def join_vendor(q):
# q = q.outerjoin( q = q.outerjoin(
# ProductCost, ProductCost,
# ProductCost.product_uuid == Product.uuid, and_(
# and_( ProductCost.product_uuid == Product.uuid,
# ProductCost.product_uuid == Product.uuid, ProductCost.preference == 1,
# ProductCost.preference == 1, ))
# )) q = q.outerjoin(Vendor)
# q = q.outerjoin(Vendor) return q
# return q
def join_vendor_any(q):
q = q.outerjoin(
self.ProductCostAny,
self.ProductCostAny.product_uuid == Product.uuid)
q = q.outerjoin(
self.VendorAny,
self.VendorAny.uuid == self.ProductCostAny.vendor_uuid)
return q
return { return {
'brand': 'brand':
@ -88,10 +102,10 @@ class ProductsGrid(SearchableAlchemyGridView):
'current_price': 'current_price':
lambda q: q.outerjoin(ProductPrice, lambda q: q.outerjoin(ProductPrice,
ProductPrice.uuid == Product.current_price_uuid), ProductPrice.uuid == Product.current_price_uuid),
# 'vendor': 'vendor':
# join_vendor, join_vendor,
'vendor_any': 'vendor_any':
lambda q: q.outerjoin(ProductCost, ProductCost.product_uuid == Product.uuid).outerjoin(Vendor), join_vendor_any,
'code': 'code':
lambda q: q.outerjoin(ProductCode), lambda q: q.outerjoin(ProductCode),
} }
@ -126,8 +140,8 @@ class ProductsGrid(SearchableAlchemyGridView):
brand=self.filter_ilike(Brand.name), brand=self.filter_ilike(Brand.name),
department=self.filter_ilike(Department.name), department=self.filter_ilike(Department.name),
subdepartment=self.filter_ilike(Subdepartment.name), subdepartment=self.filter_ilike(Subdepartment.name),
# vendor=self.filter_ilike(Vendor.name), vendor=self.filter_ilike(Vendor.name),
vendor_any=self.filter_ilike(Vendor.name), vendor_any=self.filter_ilike(self.VendorAny.name),
code=self.filter_ilike(ProductCode.code)) code=self.filter_ilike(ProductCode.code))
def filter_config(self): def filter_config(self):
@ -141,6 +155,7 @@ class ProductsGrid(SearchableAlchemyGridView):
filter_type_description='lk', filter_type_description='lk',
include_filter_department=True, include_filter_department=True,
filter_type_department='lk', filter_type_department='lk',
filter_label_vendor="Vendor (preferred)",
include_filter_vendor_any=True, include_filter_vendor_any=True,
filter_label_vendor_any="Vendor (any)", filter_label_vendor_any="Vendor (any)",
filter_type_vendor_any='lk') filter_type_vendor_any='lk')