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First public commit

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diff --git a/servo/forms/product.py b/servo/forms/product.py
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+# -*- coding: utf-8 -*-
+# Copyright (c) 2013, First Party Software
+# All rights reserved.
+
+# Redistribution and use in source and binary forms, with or without modification, 
+# are permitted provided that the following conditions are met:
+
+# 1. Redistributions of source code must retain the above copyright notice, 
+# this list of conditions and the following disclaimer.
+
+# 2. Redistributions in binary form must reproduce the above copyright notice, 
+# this list of conditions and the following disclaimer in the documentation 
+# and/or other materials provided with the distribution.
+
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+# SUCH DAMAGE.
+
+import re
+from django import forms
+from django.utils.translation import ugettext as _
+from django.core.exceptions import ValidationError
+
+from servo.models import Location, User, TaggedItem
+from servo.models.purchases import PurchaseOrderItem
+from servo.models.product import Product, ProductCategory
+from servo.forms.base import BaseModelForm, DatepickerInput, TextInput
+
+
+class ProductSearchForm(forms.Form):
+    title = forms.CharField(
+        required=False,
+        label=_('Name contains')
+    )
+    code = forms.CharField(
+        required=False,
+        label=_('Code contains')
+    )
+    description = forms.CharField(
+        required=False,
+        label=_('Description contains')
+    )
+    tag = forms.ModelChoiceField(
+        required=False,
+        label=_('Device model is'),
+        queryset=TaggedItem.objects.none()
+    )
+
+    def __init__(self, *args, **kwargs):
+        super(ProductSearchForm, self).__init__(*args, **kwargs)
+        tags = TaggedItem.objects.filter(content_type__model="product").distinct("tag")
+        self.fields['tag'].queryset = tags
+
+
+class ProductUploadForm(forms.Form):
+    datafile = forms.FileField(label=_("Product datafile"))
+    category = forms.ModelChoiceField(
+        required=False,
+        queryset=ProductCategory.objects.all()
+    )
+
+
+class PartsImportForm(forms.Form):
+    partsdb = forms.FileField(label=_("Parts database file"))
+    import_vintage = forms.BooleanField(
+        initial=True,
+        required=False,
+        label=_("Import vintage parts")
+    )
+    update_prices = forms.BooleanField(
+        initial=True,
+        required=False,
+        label=_("Update product prices")
+    )
+
+
+class PurchaseOrderItemEditForm(forms.ModelForm):
+    class Meta:
+        model = PurchaseOrderItem
+        exclude = ('sn',)
+        widgets = {
+            'product': forms.HiddenInput(),
+            'code': forms.TextInput(attrs={'class': 'input-small'}),
+            'amount': forms.TextInput(attrs={'class': 'input-mini'}),
+            'price': forms.TextInput(attrs={'class': 'input-mini'}),
+            'title': forms.TextInput(attrs={'class': 'input-xlarge'}),
+        }
+        localized_fields = ('price',)
+
+
+class PurchaseOrderItemForm(forms.ModelForm):
+    class Meta:
+        model = PurchaseOrderItem
+        fields = ('sn', 'amount',)
+        localized_fields = ('price',)
+
+    def clean(self):
+        cleaned_data = super(PurchaseOrderItemForm, self).clean()
+        return cleaned_data
+
+
+class ProductForm(forms.ModelForm):
+    class Meta:
+        model = Product
+        exclude = ('files',)
+        widgets = {
+            'code': TextInput(),
+            'title': TextInput(attrs={'class': 'input-xlarge'}),
+            'categories': forms.CheckboxSelectMultiple(),
+            'description': forms.Textarea(attrs={'class': 'span12', 'rows': 6}),
+        }
+        localized_fields = (
+            'price_purchase_exchange',
+            'pct_margin_exchange',
+            'price_notax_exchange',
+            'price_sales_exchange',
+            'price_purchase_stock',
+            'pct_margin_stock',
+            'price_notax_stock',
+            'price_sales_stock',
+            'pct_vat',
+            'shipping',
+        )
+
+    def clean_code(self):
+        code = self.cleaned_data.get('code')
+        if not re.match(r'^[\w\-/]+$', code):
+            raise ValidationError(_('Product code %s contains invalid characters') % code)
+
+        return code
+
+
+class CategoryForm(BaseModelForm):
+    class Meta:
+        model = ProductCategory
+        exclude = []
+
+
+class PurchaseOrderSearchForm(forms.Form):
+    state = forms.ChoiceField(
+        required=False,
+        label=_('State is'),
+        choices=(
+            ('', _('Any')),
+            ('open', _('Open')),
+            ('submitted', _('Submitted')),
+            ('received', _('Received')),
+        ),
+        widget=forms.Select(attrs={'class': 'input-small'})
+    )
+    created_by = forms.ModelChoiceField(
+        required=False,
+        queryset=User.objects.filter(is_active=True)
+    )
+    start_date = forms.DateField(
+        required=False,
+        label=_('Start date'),
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('Start date')
+        })
+    )
+    end_date = forms.DateField(
+        required=False,
+        label=_('End date'),
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('End date')
+        })
+    )
+    reference = forms.CharField(
+        required=False,
+        label=_('Reference contains')
+    )
+
+
+class IncomingSearchForm(forms.Form):
+    """
+    A form for searching incoming products
+    """
+    location = forms.ModelChoiceField(
+        label=_('Location is'),
+        queryset=Location.objects.all(),
+        widget=forms.Select(attrs={'class': 'input-medium'})
+    )
+    ordered_start_date = forms.DateField(
+        label=_('Ordered between'),
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('Start date')
+        })
+    )
+    ordered_end_date = forms.DateField(
+        label='',
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('End date')
+        })
+    )
+    received_start_date = forms.DateField(
+        label=_('Received between'),
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('Start date')
+        })
+    )
+    received_end_date = forms.DateField(
+        label='',
+        widget=DatepickerInput(attrs={
+            'class': "input-small",
+            'placeholder': _('End date')
+        })
+    )
+    confirmation = forms.CharField(
+        label=_('Confirmation is')
+    )
+    service_order = forms.CharField(
+        label=_('Service order is')
+    )
+