Add initial support for viewing new purchase batch as Order Form

tailbone/templates/newbatch/view.mako

@@ -36,23 +36,35 @@
 </%def>
 
 <%def name="buttons()">
-## TODO: the refreshable thing still seems confusing...
     <div class="buttons">
-      % if master.refreshable:
+      ${self.leading_buttons()}
-          % if form.readonly:
+      ${refresh_button()}
-              % if not batch.executed:
+      ${execute_button()}
-                  <button type="button" id="refresh-data">Refresh Data</button>
-              % endif
-          % elif batch.refreshable:
-              ${h.submit('save-refresh', "Save & Refresh Data")}
-          % endif
-      % endif
-      % if not batch.executed and request.has_perm('{}.execute'.format(permission_prefix)):
-          <button type="button" id="execute-batch"${'' if execute_enabled else ' disabled="disabled"'}>${execute_title}</button>
-      % endif
     </div>
 </%def>
 
+<%def name="leading_buttons()">
+</%def>
+
+<%def name="refresh_button()">
+## TODO: the refreshable thing still seems confusing...
+  % if master.refreshable:
+      % if form.readonly:
+          % if not batch.executed:
+              <button type="button" id="refresh-data">Refresh Data</button>
+          % endif
+      % elif batch.refreshable:
+          ${h.submit('save-refresh', "Save & Refresh Data")}
+      % endif
+  % endif
+</%def>
+
+<%def name="execute_button()">
+  % if not batch.executed and request.has_perm('{}.execute'.format(permission_prefix)):
+      <button type="button" id="execute-batch"${'' if execute_enabled else ' disabled="disabled"'}>${execute_title}</button>
+  % endif
+</%def>
+
 <ul id="context-menu">
   ${self.context_menu_items()}
 </ul>

tailbone/templates/purchases/batches/order_form.mako

@@ -0,0 +1,161 @@
+## -*- coding: utf-8 -*-
+<%inherit file="/base.mako" />
+
+<%def name="title()">Purchase Order Form</%def>
+
+<%def name="head_tags()">
+  ${parent.head_tags()}
+  ${h.javascript_link(request.static_url('tailbone:static/js/numeric.js'))}
+  <script type="text/javascript">
+    $(function() {
+
+        $('.order-form td.current-order input').keydown(function(event) {
+            if (key_allowed(event) || key_modifies(event)) {
+                return true;
+            }
+            if (event.which == 13) {
+                var input = $(this);
+                var row = input.parents('tr:first');
+                var data = {
+                    product_uuid: row.data('uuid'),
+                    cases_ordered: input.val() || '0'
+                };
+                $.post('${url('purchases.batch.order_form_update', uuid=batch.uuid)}', data, function(data) {
+                    if (data.error) {
+                        alert(data.error);
+                    } else {
+                        input.val(data.row_cases_ordered);
+                        row.find('td:last').html(data.row_po_total);
+                        $('.po-total .field').html(data.batch_po_total);
+                    }
+                });
+            }
+            return false;
+        });
+
+    });
+  </script>
+  <style type="text/css">
+
+    .order-form th.department {
+        border-top: 1px solid black;
+        font-size: 1.2em;
+        padding: 15px;
+        text-align: left;
+        text-transform: uppercase;
+    }
+
+    .order-form th.subdepartment {
+        background-color: white;
+        border-bottom: 1px solid black;
+        border-top: 1px solid black;
+        padding: 15px;
+        text-align: left;
+    }
+
+    .order-form td {
+        border-right: 1px solid #000000;
+        border-top: 1px solid #000000;
+    }
+
+    .order-form td.upc,
+    .order-form td.case-qty,
+    .order-form td.code,
+    .order-form td.preferred {
+        text-align: center;
+    }
+
+    .order-form td.scratch_pad {
+        width: 40px;
+    }
+
+    .order-form td.current-order input {
+        text-align: center;
+        width: 3em;
+    }
+
+    .order-form td.po-total {
+        text-align: right;
+    }
+
+  </style>
+</%def>
+
+
+<%def name="context_menu_items()">
+  <li>${h.link_to("Back to Purchase Batch", url('purchases.batch.view', uuid=batch.uuid))}</li>
+</%def>
+
+
+<ul id="context-menu">
+  ${self.context_menu_items()}
+</ul>
+
+
+<div class="form-wrapper">
+
+  <div class="field-wrapper">
+    <label>Vendor</label>
+    <div class="field">${vendor}</div>
+  </div>
+
+  <div class="field-wrapper">
+    <label>Order Date</label>
+    <div class="field">${batch.date_ordered}</div>
+  </div>
+
+  <div class="field-wrapper po-total">
+    <label>PO Total</label>
+    <div class="field">$${'{:0,.2f}'.format(batch.po_total or 0)}</div>
+  </div>
+
+</div><!-- form-wrapper -->
+
+
+<div class="newgrid">
+  <table class="order-form">
+    % for department in sorted(departments.itervalues(), key=lambda d: d.name if d else ''):
+        <thead>
+          <tr>
+            <th class="department" colspan="22">Department:&nbsp; ${department.number} ${department.name}</th>
+          </tr>
+          % for subdepartment in sorted(department._order_subdepartments.itervalues(), key=lambda s: s.name if s else ''):
+              <tr>
+                <th class="subdepartment" colspan="22">Subdepartment:&nbsp; ${subdepartment.number} ${subdepartment.name}</th>
+              </tr>
+              <tr>
+                <th>UPC</th>
+                <th>Brand</th>
+                <th>Description</th>
+                <th>Size</th>
+                <th>Case</th>
+                <th>Vend. Code</th>
+                <th>Pref.</th>
+                <th colspan="7">&nbsp;</th>
+                <th>PO Total</th>
+              </tr>
+            </thead>
+            <tbody>
+              % for cost in subdepartment._order_costs:
+                  <tr data-uuid="${cost.product_uuid}">
+                    <td class="upc">${get_upc(cost.product)}</td>
+                    <td class="brand">${cost.product.brand or ''}</td>
+                    <td class="desc">${cost.product.description}</td>
+                    <td class="size">${cost.product.size or ''}</td>
+                    <td class="case-qty">${cost.case_size} ${"LB" if cost.product.weighed else "EA"}</td>
+                    <td class="code">${cost.code or ''}</td>
+                    <td class="preferred">${'X' if cost.preference == 1 else ''}</td>
+                    % for i in range(6):
+                        <td class="scratch_pad">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
+                    % endfor
+                    <td class="current-order">
+                       ${h.text('cases_ordered_{}'.format(cost.uuid), value=int(cost._batchrow.cases_ordered) if cost._batchrow else None)}
+                    </td>
+                    <td class="po-total">${'${:0,.2f}'.format(cost._batchrow.po_total) if cost._batchrow else ''}</td>
+                  </tr>
+              % endfor
+            </tbody>
+        % endfor
+    % endfor
+  </table>
+</div>

tailbone/templates/purchases/batches/view.mako

@@ -0,0 +1,29 @@
+## -*- coding: utf-8 -*-
+<%inherit file="/newbatch/view.mako" />
+
+<%def name="head_tags()">
+  ${parent.head_tags()}
+  <script type="text/javascript">
+    $(function() {
+        $('#order-form').click(function() {
+            % if vendor_cost_count > 199:
+                if (! confirm("This vendor has ${'{:,d}'.format(vendor_cost_count)} cost records.\n\n" +
+                              "It is not recommended to use Order Form mode for such a large catalog.\n\n" +
+                              "Are you sure you wish to do it anyway?")) {
+                    return;
+                }
+            % endif
+            $(this).button('disable').button('option', 'label', "Working, please wait...");
+            location.href = '${url('purchases.batch.order_form', uuid=instance.uuid)}';
+        });
+    });
+  </script>
+</%def>
+
+<%def name="leading_buttons()">
+  % if not instance.executed and request.has_perm('purchases.batch.order_form'):
+      <button type="button" id="order-form">View as Order Form</button>
+  % endif
+</%def>
+
+${parent.body()}

tailbone/views/purchases/batch.py

@@ -30,6 +30,7 @@ from rattail.db import model, api
 from rattail.gpc import GPC
 from rattail.db.batch.purchase.handler import PurchaseBatchHandler
 from rattail.time import localtime
+from rattail.core import Object
 
 import formalchemy as fa
 
@@ -118,6 +119,14 @@ class PurchaseBatchView(BatchMasterView):
             # default order date is today
             fs.model.date_ordered = localtime(self.rattail_config).date()
 
+    def template_kwargs_view(self, **kwargs):
+        kwargs = super(PurchaseBatchView, self).template_kwargs_view(**kwargs)
+        vendor = kwargs['batch'].vendor
+        kwargs['vendor_cost_count'] = Session.query(model.ProductCost)\
+                                             .filter(model.ProductCost.vendor == vendor)\
+                                             .count()
+        return kwargs
+
     def _preconfigure_row_grid(self, g):
         super(PurchaseBatchView, self)._preconfigure_row_grid(g)
 
@@ -222,11 +231,151 @@ class PurchaseBatchView(BatchMasterView):
         self.request.session.flash("Added item: {} {}".format(row.upc.pretty(), row.product))
         return self.redirect(self.request.current_route_url())
 
+    def delete_row(self):
+        """
+        Update the PO total in addition to marking row as removed.
+        """
+        row = self.Session.query(self.model_row_class).get(self.request.matchdict['uuid'])
+        if not row:
+            raise httpexceptions.HTTPNotFound()
+        if row.po_total:
+            row.batch.po_total -= row.po_total
+        row.removed = True
+        return self.redirect(self.get_action_url('view', row.batch))
+
     # TODO: redirect to new purchase...
     # def get_execute_success_url(self, batch, result, **kwargs):
     #     # return self.get_action_url('view', batch)
     #     return
 
+    def order_form(self):
+        """
+        View for editing a purchase batch as an order form.
+        """
+        batch = self.get_instance()
+        vendor = batch.vendor
+        costs = Session.query(model.ProductCost)\
+                       .join(model.Product)\
+                       .outerjoin(model.Brand)\
+                       .filter(model.ProductCost.vendor == vendor)\
+                       .order_by(model.Brand.name,
+                                 model.Product.description,
+                                 model.Product.size)
+
+        # organize existing batch rows by product
+        order_items = {}
+        for row in batch.data_rows:
+            if not row.removed:
+                order_items[row.product_uuid] = row
+
+        # organize product costs by dept / subdept
+        departments = {}
+        for cost in costs:
+
+            department = cost.product.department
+            if department:
+                departments.setdefault(department.uuid, department)
+            else:
+                if None not in departments:
+                    department = Object()
+                    departments[None] = department
+                department = departments[None]
+            
+            subdepartments = getattr(department, '_order_subdepartments', None)
+            if subdepartments is None:
+                subdepartments = department._order_subdepartments = {}
+
+            subdepartment = cost.product.subdepartment
+            if subdepartment:
+                subdepartments.setdefault(subdepartment.uuid, subdepartment)
+            else:
+                if None not in subdepartments:
+                    subdepartment = Object()
+                    subdepartments[None] = subdepartment
+                subdepartment = subdepartments[None]
+
+            subdept_costs = getattr(subdepartment, '_order_costs', None)
+            if subdept_costs is None:
+                subdept_costs = subdepartment._order_costs = []
+            subdept_costs.append(cost)
+            cost._batchrow = order_items.get(cost.product_uuid)
+
+        title = self.get_instance_title(batch)
+        return self.render_to_response('order_form', {
+            'batch': batch,
+            'instance': batch,
+            'instance_title': title,
+            'index_title': "{}: {}".format(self.get_model_title(), title),
+            'index_url': self.get_action_url('view', batch),
+            'vendor': vendor,
+            'departments': departments,
+            'get_upc': lambda p: p.upc,
+        })
+
+    def order_form_update(self):
+        """
+        Handles AJAX requests to update current batch, from Order Form view.
+        """
+        batch = self.get_instance()
+
+        quantity = self.request.POST.get('cases_ordered')
+        if not quantity or not quantity.isdigit():
+            return {'error': "Invalid quantity: {}".format(quantity)}
+        quantity = int(quantity)
+
+        uuid = self.request.POST.get('product_uuid')
+        product = Session.query(model.Product).get(uuid) if uuid else None
+        if not product:
+            return {'error': "Product not found"}
+
+        rows = [row for row in batch.data_rows if row.product_uuid == uuid]
+        if rows:
+            assert len(rows) == 1
+            row = rows[0]
+            if row.po_total and not row.removed:
+                batch.po_total -= row.po_total
+            if quantity:
+                row.cases_ordered = quantity
+                row.removed = False
+                self.handler.refresh_row(row)
+            else:
+                row.removed = True
+
+        elif quantity:
+            row = model.PurchaseBatchRow()
+            row.sequence = max([0] + [r.sequence for r in batch.data_rows]) + 1
+            row.product = product
+            batch.data_rows.append(row)
+            row.cases_ordered = quantity
+            self.handler.refresh_row(row)
+
+        return {
+            'row_cases_ordered': '' if row.removed else int(row.cases_ordered),
+            'row_po_total': '' if row.removed else '${:0,.2f}'.format(row.po_total),
+            'batch_po_total': '${:0,.2f}'.format(batch.po_total),
+        }
+
+    @classmethod
+    def defaults(cls, config):
+        route_prefix = cls.get_route_prefix()
+        url_prefix = cls.get_url_prefix()
+        permission_prefix = cls.get_permission_prefix()
+        model_key = cls.get_model_key()
+        model_title = cls.get_model_title()
+
+        cls._batch_defaults(config)
+        cls._defaults(config)
+
+        # order form
+        config.add_tailbone_permission(permission_prefix, '{}.order_form'.format(permission_prefix),
+                                       "Edit new {} in Order Form mode".format(model_title))
+        config.add_route('{}.order_form'.format(route_prefix), '{}/{{{}}}/order-form'.format(url_prefix, model_key))
+        config.add_view(cls, attr='order_form', route_name='{}.order_form'.format(route_prefix),
+                        permission='{}.order_form'.format(permission_prefix))
+        config.add_route('{}.order_form_update'.format(route_prefix), '{}/{{{}}}/order-form/update'.format(url_prefix, model_key))
+        config.add_view(cls, attr='order_form_update', route_name='{}.order_form_update'.format(route_prefix),
+                        renderer='json', permission='{}.order_form'.format(permission_prefix))
+
 
 def includeme(config):
     PurchaseBatchView.defaults(config)