Improvements on bills app

2014-08-19 18:59:23 +00:00 · 2014-08-19 18:59:23 +00:00 · 1403329d1b
parent 26ee8bdfab
commit 1403329d1b
17 changed files with 999 additions and 62 deletions
--- a/orchestra/admin/options.py
+++ b/orchestra/admin/options.py
@ -1,47 +1,11 @@
 from django import forms
+from django.conf.urls import patterns, url
 from django.contrib import admin
 from django.forms.models import BaseInlineFormSet

-from .utils import set_url_query
+from orchestra.utils.functional import cached

-
-class ExtendedModelAdmin(admin.ModelAdmin):
-    add_fields = ()
-    add_fieldsets = ()
-    add_form = None
-    change_readonly_fields = ()
-    
-    def get_readonly_fields(self, request, obj=None):
-        fields = super(ExtendedModelAdmin, self).get_readonly_fields(request, obj=obj)
-        if obj:
-            return fields + self.change_readonly_fields
-        return fields
-    
-    def get_fieldsets(self, request, obj=None):
-        if not obj:
-            if self.add_fieldsets:
-                return self.add_fieldsets
-            elif self.add_fields:
-                return [(None, {'fields': self.add_fields})]
-        return super(ExtendedModelAdmin, self).get_fieldsets(request, obj=obj)
-    
-    def get_inline_instances(self, request, obj=None):
-        """ add_inlines and inline.parent_object """
-        self.inlines = getattr(self, 'add_inlines', self.inlines)
-        if obj:
-            self.inlines = type(self).inlines
-        inlines = super(ExtendedModelAdmin, self).get_inline_instances(request, obj=obj)
-        for inline in inlines:
-            inline.parent_object = obj
-        return inlines
-    
-    def get_form(self, request, obj=None, **kwargs):
-        """ Use special form during user creation """
-        defaults = {}
-        if obj is None and self.add_form:
-            defaults['form'] = self.add_form
-        defaults.update(kwargs)
-        return super(ExtendedModelAdmin, self).get_form(request, obj, **defaults)
+from .utils import set_url_query, action_to_view


 class ChangeListDefaultFilter(object):
@ -58,8 +22,10 @@ class ChangeListDefaultFilter(object):
        for key, value in self.default_changelist_filters:
             set_url_query(request, key, value)
             defaults.append(key)
-        # hack response cl context in order to hook default filter awaearness into search_form.html template
-        response = super(ChangeListDefaultFilter, self).changelist_view(request, extra_context=extra_context)
+        # hack response cl context in order to hook default filter awaearness
+        # into search_form.html template
+        response = super(ChangeListDefaultFilter, self).changelist_view(request,
+                extra_context=extra_context)
        if hasattr(response, 'context_data') and 'cl' in response.context_data:
            response.context_data['cl'].default_changelist_filters = defaults
        return response
@ -74,3 +40,92 @@ class AtLeastOneRequiredInlineFormSet(BaseInlineFormSet):
        if not any(cleaned_data and not cleaned_data.get('DELETE', False)
            for cleaned_data in self.cleaned_data):
            raise forms.ValidationError('At least one item required.')
+
+
+class ChangeViewActionsMixin(object):
+    """ Makes actions visible on the admin change view page. """
+    
+    change_view_actions = ()
+    change_form_template = 'orchestra/admin/change_form.html'
+    
+    def get_urls(self):
+        """Returns the additional urls for the change view links"""
+        urls = super(ChangeViewActionsMixin, self).get_urls()
+        admin_site = self.admin_site
+        opts = self.model._meta
+        new_urls = patterns('')
+        for action in self.get_change_view_actions():
+            new_urls += patterns('',
+                url('^(\d+)/%s/$' % action.url_name,
+                    admin_site.admin_view(action),
+                    name='%s_%s_%s' % (opts.app_label,
+                                       opts.module_name,
+                                       action.url_name)))
+        return new_urls + urls
+    
+    @cached
+    def get_change_view_actions(self):
+        views = []
+        for action in self.change_view_actions:
+            if isinstance(action, basestring):
+                action = getattr(self, action)
+            view = action_to_view(action, self)
+            view.url_name = getattr(action, 'url_name', action.__name__)
+            view.verbose_name = getattr(action, 'verbose_name',
+                    view.url_name.capitalize().replace('_', ' '))
+            view.css_class = getattr(action, 'css_class', 'historylink')
+            view.description = getattr(action, 'description', '')
+            views.append(view)
+        return views
+    
+    def change_view(self, *args, **kwargs):
+        if not 'extra_context' in kwargs:
+            kwargs['extra_context'] = {}
+        kwargs['extra_context']['object_tools_items'] = [
+            action.__dict__ for action in self.get_change_view_actions()
+        ]
+        return super(ChangeViewActionsMixin, self).change_view(*args, **kwargs)
+
+
+class ChangeAddFieldsMixin(object):
+    """ Enables to specify different set of fields for change and add views """
+    add_fields = ()
+    add_fieldsets = ()
+    add_form = None
+    change_readonly_fields = ()
+    
+    def get_readonly_fields(self, request, obj=None):
+        fields = super(ChangeAddFieldsMixin, self).get_readonly_fields(request, obj=obj)
+        if obj:
+            return fields + self.change_readonly_fields
+        return fields
+    
+    def get_fieldsets(self, request, obj=None):
+        if not obj:
+            if self.add_fieldsets:
+                return self.add_fieldsets
+            elif self.add_fields:
+                return [(None, {'fields': self.add_fields})]
+        return super(ChangeAddFieldsMixin, self).get_fieldsets(request, obj=obj)
+    
+    def get_inline_instances(self, request, obj=None):
+        """ add_inlines and inline.parent_object """
+        self.inlines = getattr(self, 'add_inlines', self.inlines)
+        if obj:
+            self.inlines = type(self).inlines
+        inlines = super(ChangeAddFieldsMixin, self).get_inline_instances(request, obj=obj)
+        for inline in inlines:
+            inline.parent_object = obj
+        return inlines
+    
+    def get_form(self, request, obj=None, **kwargs):
+        """ Use special form during user creation """
+        defaults = {}
+        if obj is None and self.add_form:
+            defaults['form'] = self.add_form
+        defaults.update(kwargs)
+        return super(ChangeAddFieldsMixin, self).get_form(request, obj, **defaults)
+
+
+class ExtendedModelAdmin(ChangeViewActionsMixin, ChangeAddFieldsMixin, admin.ModelAdmin):
+    pass
--- a/orchestra/admin/utils.py
+++ b/orchestra/admin/utils.py
@ -4,6 +4,7 @@ from django.conf import settings
 from django.contrib import admin
 from django.core.urlresolvers import reverse
 from django.db import models
+from django.shortcuts import redirect
 from django.utils import importlib
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
@ -74,6 +75,19 @@ def set_url_query(request, key, value):
        request.META['QUERY_STRING'] = request.GET.urlencode()


+def action_to_view(action, modeladmin):
+    """ Converts modeladmin action to view function """
+    def action_view(request, object_id=1, modeladmin=modeladmin, action=action):
+        queryset = modeladmin.model.objects.filter(pk=object_id)
+        response = action(modeladmin, request, queryset)
+        if not response:
+            opts = modeladmin.model._meta
+            url = 'admin:%s_%s_change' % (opts.app_label, opts.module_name)
+            return redirect(url, object_id)
+        return response
+    return action_view
+
+
@admin_field
 def admin_link(*args, **kwargs):
    instance = args[-1]
--- a/orchestra/apps/accounts/models.py
+++ b/orchestra/apps/accounts/models.py
@ -27,5 +27,9 @@ class Account(models.Model):
    def name(self):
        return self.user.username
    
+    @classmethod
+    def get_main(cls):
+        return cls.objects.get(pk=settings.ACCOUNTS_MAIN_PK)
+

 services.register(Account, menu=False)
--- a/orchestra/apps/accounts/settings.py
+++ b/orchestra/apps/accounts/settings.py
@ -19,3 +19,6 @@ ACCOUNTS_LANGUAGES = getattr(settings, 'ACCOUNTS_LANGUAGES', (


 ACCOUNTS_DEFAULT_LANGUAGE = getattr(settings, 'ACCOUNTS_DEFAULT_LANGUAGE', 'en')
+
+
+ACCOUNTS_MAIN_PK = getattr(settings, 'ACCOUNTS_MAIN_PK', 1)
--- a/orchestra/apps/accounts/templates/admin/accounts/account/change_form.html
+++ b/orchestra/apps/accounts/templates/admin/accounts/account/change_form.html
@ -1,4 +1,4 @@
-{% extends "admin/change_form.html" %}
+{% extends "orchestra/admin/change_form.html" %}
 {% load i18n admin_urls admin_static admin_modify %}


@ -43,9 +43,6 @@
 <li>
    <a href="disable/" class="historylink">{% trans "Disable" %}</a>
 </li>
-<li>
-    {% url opts|admin_urlname:'history' original.pk|admin_urlquote as history_url %}
-    <a href="{% add_preserved_filters history_url %}" class="historylink">{% trans "History" %}</a>
-</li>
+{{ block.super }}
 {% endblock %}

--- a/orchestra/apps/bills/actions.py
+++ b/orchestra/apps/bills/actions.py
@ -0,0 +1,3 @@
+def generate_bill(modeladmin, request, queryset):
+    for bill in queryset:
+        bill.close()
--- a/orchestra/apps/bills/admin.py
+++ b/orchestra/apps/bills/admin.py
@ -2,9 +2,11 @@ from django.contrib import admin
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _

+from orchestra.admin import ExtendedModelAdmin
 from orchestra.admin.utils import admin_link, admin_date
 from orchestra.apps.accounts.admin import AccountAdminMixin

+from .actions import generate_bill
 from .filters import BillTypeListFilter
 from .models import (Bill, Invoice, AmendmentInvoice, Fee, AmendmentFee, Budget,
        BillLine, BudgetLine)
@ -24,24 +26,26 @@ class BudgetLineInline(admin.TabularInline):
    )


-class BillAdmin(AccountAdminMixin, admin.ModelAdmin):
+class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
    list_display = (
-        'ident', 'status', 'bill_type_link', 'account_link', 'created_on_display'
+        'ident', 'status', 'type_link', 'account_link', 'created_on_display'
    )
    list_filter = (BillTypeListFilter, 'status',)
+    change_view_actions = [generate_bill]
+    change_readonly_fields = ('account', 'type', 'status')
    readonly_fields = ('ident',)
    inlines = [BillLineInline]
    
    account_link = admin_link('account')
    created_on_display = admin_date('created_on')
    
-    def bill_type_link(self, bill):
-        bill_type = bill.bill_type.lower()
+    def type_link(self, bill):
+        bill_type = bill.type.lower()
        url = reverse('admin:bills_%s_changelist' % bill_type)
-        return '<a href="%s">%s</a>' % (url, bill.get_bill_type_display())
-    bill_type_link.allow_tags = True
-    bill_type_link.short_description = _("type")
-    bill_type_link.admin_order_field = 'bill_type'
+        return '<a href="%s">%s</a>' % (url, bill.get_type_display())
+    type_link.allow_tags = True
+    type_link.short_description = _("type")
+    type_link.admin_order_field = 'type'
    
    def get_inline_instances(self, request, obj=None):
        if self.model is Budget:
--- a/orchestra/apps/bills/models.py
+++ b/orchestra/apps/bills/models.py
@ -1,7 +1,10 @@
 from django.db import models
+from django.template import loader, Context
 from django.utils import timezone
+from django.utils.functional import cached_property
 from django.utils.translation import ugettext_lazy as _

+from orchestra.apps.accounts.models import Account
 from orchestra.core import accounts

 from . import settings
@ -12,7 +15,7 @@ class BillManager(models.Manager):
        queryset = super(BillManager, self).get_queryset()
        if self.model != Bill:
            bill_type = self.model.get_type()
-            queryset = queryset.filter(bill_type=bill_type)
+            queryset = queryset.filter(type=bill_type)
        return queryset


@ -44,7 +47,7 @@ class Bill(models.Model):
            blank=True)
    account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
             related_name='%(class)s')
-    bill_type = models.CharField(_("type"), max_length=16, choices=TYPES)
+    type = models.CharField(_("type"), max_length=16, choices=TYPES)
    status = models.CharField(_("status"), max_length=16, choices=STATUSES,
            default=OPEN)
    created_on = models.DateTimeField(_("created on"), auto_now_add=True)
@ -61,13 +64,25 @@ class Bill(models.Model):
    def __unicode__(self):
        return self.ident
    
+    @cached_property
+    def seller(self):
+        return Account.get_main().invoicecontact
+    
+    @cached_property
+    def buyer(self):
+        return self.account.invoicecontact
+    
+    @property
+    def lines(self):
+        return self.billlines
+    
    @classmethod
    def get_type(cls):
        return cls.__name__.upper()
    
    def set_ident(self):
        cls = type(self)
-        bill_type = self.bill_type or cls.get_type()
+        bill_type = self.type or cls.get_type()
        if bill_type == 'BILL':
            raise TypeError("get_new_ident() can not be used on a Bill class")
        # Bill number resets every natural year
@ -91,11 +106,31 @@ class Bill(models.Model):
    
    def close(self):
        self.status = self.CLOSED
+        self.html = self.render()
        self.save()
    
+    def render(self):
+        context = Context({
+            'bill': self,
+            'lines': self.lines.all(),
+            'seller': self.seller,
+            'buyer': self.buyer,
+            'seller_info': {
+                'phone': settings.BILLS_SELLER_PHONE,
+                'website': settings.BILLS_SELLER_WEBSITE,
+                'email': settings.BILLS_SELLER_EMAIL,
+            },
+            'currency': settings.BILLS_CURRENCY,
+        })
+        template = getattr(settings, 'BILLS_%s_TEMPLATE' % self.get_type())
+        bill_template = loader.get_template(template)
+        html = bill_template.render(context)
+        html = html.replace('-pageskip-', '<pdf:nextpage />')
+        return html
+    
    def save(self, *args, **kwargs):
-        if not self.bill_type:
-            self.bill_type = type(self).get_type()
+        if not self.type:
+            self.type = type(self).get_type()
        if not self.ident or (self.ident.startswith('O') and self.status != self.OPEN):
            self.set_ident()
        super(Bill, self).save(*args, **kwargs)
@ -125,6 +160,10 @@ class Budget(Bill):
    class Meta:
        proxy = True
    
+    @property
+    def lines(self):
+        return self.budgetlines
+

 class BaseBillLine(models.Model):
    bill = models.ForeignKey(Bill, verbose_name=_("bill"),
@ -145,7 +184,7 @@ class BudgetLine(BaseBillLine):


 class BillLine(BaseBillLine):
-    order_id = models.PositiveIntegerField(blank=True)
+    order_id = models.PositiveIntegerField(blank=True, null=True)
    order_last_bill_date = models.DateTimeField(null=True)
    order_billed_until = models.DateTimeField(null=True)
    auto = models.BooleanField(default=False)
--- a/orchestra/apps/bills/settings.py
+++ b/orchestra/apps/bills/settings.py
@ -1,8 +1,27 @@
 from django.conf import settings

+
 BILLS_IDENT_NUMBER_LENGTH = getattr(settings, 'BILLS_IDENT_NUMBER_LENGTH', 4)
+
 BILLS_INVOICE_IDENT_PREFIX = getattr(settings, 'BILLS_INVOICE_IDENT_PREFIX', 'I')
+
 BILLS_AMENDMENT_INVOICE_IDENT_PREFIX = getattr(settings, 'BILLS_AMENDMENT_INVOICE_IDENT_PREFIX', 'A')
+
 BILLS_FEE_IDENT_PREFIX = getattr(settings, 'BILLS_FEE_IDENT_PREFIX', 'F')
+
 BILLS_AMENDMENT_FEE_IDENT_PREFIX = getattr(settings, 'BILLS_AMENDMENT_FEE_IDENT_PREFIX', 'B')
+
 BILLS_BUDGET_IDENT_PREFIX = getattr(settings, 'BILLS_BUDGET_IDENT_PREFIX', 'Q')
+
+
+BILLS_INVOICE_TEMPLATE = getattr(settings, 'BILLS_INVOICE_TEMPLATE', 'bills/invoice.html')
+
+
+BILLS_CURRENCY = getattr(settings, 'BILLS_CURRENCY', 'euro')
+
+
+BILLS_SELLER_PHONE = getattr(settings, 'BILLS_SELLER_PHONE', '111-112-11-222')
+
+BILLS_SELLER_EMAIL = getattr(settings, 'BILLS_SELLER_EMAIL', 'sales@orchestra.lan')
+
+BILLS_SELLER_WEBSITE = getattr(settings, 'BILLS_SELLER_WEBSITE', 'www.orchestra.lan')
--- a/orchestra/apps/bills/templates/bills/altinvoice.html
+++ b/orchestra/apps/bills/templates/bills/altinvoice.html
@ -0,0 +1,309 @@
+<style>
+
+body {
+    max-width: 1048px;
+    margin: 60 auto !important;
+    float: none !important;
+    font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
+}
+
+#logo {
+    float: left;
+    font-size: 25;
+    font-weight: bold;
+    color: grey;
+    border-bottom: 5px solid grey;
+    margin: 38px;
+    margin-left: 60px;
+    padding: 5px;
+}
+
+#bill-number {
+    float: right;
+    margin-top: 80px;
+    text-align: right;
+    font-size: 25;
+    font-weight: bold;
+    color: grey;
+}
+
+#bill-number .value {
+    font-size: 40;
+    color: #B23;
+    font-weight: normal;
+}
+
+hr {
+    margin-top: 20px;
+    color: #ccc;
+    margin-bottom: 0px;
+}
+
+
+#bill-summary > * {
+    float: right;
+    border-style: solid;
+    border-width: thin;
+    border-color: grey;
+    padding: 10px;
+    text-align: center;
+    font-size: large;
+    width: 130px;
+}
+
+#bill-summary .title {
+    color: black;
+    font-size: small;
+    font-weight: bold;
+    position: relative;
+    top: -7px;
+}
+
+#bill-summary #total, #total .title{
+    background-color: #B23;
+    color: white;
+    font-weight: bold;
+}
+
+
+#seller-details, #buyer-details {
+    margin: 20px;
+}
+
+#buyer-details {
+    margin-left: 60px;
+}
+
+
+#lines > * {
+    float: left;
+    padding-top: 5px;
+    padding-bottom: 5px;
+    text-align: center;
+}
+
+#lines .title {
+    font-weight: bold;
+    border-bottom: 2px solid grey;
+    color: #B23;
+}
+
+#lines .value {
+    border-bottom: 1px solid grey;
+}
+
+#lines .column-id {
+    width: 5%;
+    text-align: right;
+}
+
+#lines .column-description {
+    width: 55%;
+    text-align: left;
+}
+
+#lines .column-quantity {
+    width: 20%;
+}
+
+#lines .column-rate {
+    width: 10%;
+}
+
+#lines .column-subtotal {
+    width: 10%;
+    text-align: right;
+}
+
+
+#totals {
+    padding-top: 100px;
+}
+
+#totals > * {
+    text-align: right;
+    padding-top: 5px;
+    padding-bottom: 5px;
+}
+
+
+#totals .column-title {
+    font-weight: bold;
+    color: #B23;
+    width: 85%;
+    float: left;
+}
+
+#totals .column-value {
+    width: 15%;
+    float: left;
+}
+
+#totals .subtotal {
+    border-bottom: 1px solid grey;
+    font-weight: normal;
+}
+
+
+#totals .tax {
+    border-bottom: 2px solid grey;
+    font-weight: normal;
+}
+
+
+
+#pagination {
+    color: #B23;
+    font-weight: bold;
+}
+
+#footer .title {
+    color: #B23;
+    font-weight: bold;
+}
+
+#footer > * > * {
+    margin: 10px;
+    color: #666;
+}
+
+#pagination {
+    margin-left: 20px;
+    clear: right;
+}
+
+#footer-column-1 {
+    float: left;
+    width: 48%;
+    margin: 10px;
+}
+
+#footer-column-2 {
+    float: right;
+    width: 48%;
+    margin: 10px;
+}
+
+
+
+</style>
+<body>
+    <div id="bill-number">
+            Invoice<br>
+            <div class="value">F20110232</div><br>
+    </div>
+    <div id="logo">
+        YOUR<br>
+        LOGO<br>
+        HERE<br>
+    </div>
+    <div id="seller-details">
+        <table>
+            <tr>
+                <td>
+                    <strong>Associacio Pangea - Coordinadora Comunicacio per a la Cooperacio</strong><br>
+                    ES2323233<br>
+                    <address>
+                    Pl eusebi guell 6-7, planta 0<br>
+                    08034 - Barcelona<br>
+                    Spain<br>
+                    </address>
+                    <br>
+                    93-803-21-32<br>
+                    <a href="mailto:sales@pangea.org">sales@pangea.org</a><br>
+                    <a href="http://www.pangea.org">www.pangea.org</a><br>
+                </td>
+            </tr>
+        </table>
+    </div>
+    <hr>
+    <div id="bill-summary">
+        <div id="due-date">
+            <span class="title">DUE DATE</span><br>
+            <psan class="value">Nov 21, 2011</span>
+        </div>
+        <div id="total">
+            <span class="title">TOTAL</span><br>
+            <psan class="value">122,03 &euro;</span>
+        </div>
+        <div id="bill-date">
+            <span class="title">INVOICE DATE</span><br>
+            <psan class="value">Oct 20, 2012</span>
+        </div>
+    </div>
+    <div id="buyer-details">
+        <address>
+        <strong>Aadults</strong><br>
+        ES01939933<br>
+        Carrer nnoseque, 0<br>
+        08034 - Barcelona<br>
+        Spain<br>
+        </address>
+    </div>
+
+    <div id="lines">
+        <span class="title column-id">id</span>
+        <span class="title column-description">description</span>
+        <span class="title column-quantity">hrs/qty</span>
+        <span class="title column-rate">rate/price</span>
+        <span class="title column-subtotal">subtotal</span>
+        <br>
+        <span class="value column-id">1</span>
+        <span class="value column-description">Hola que passa</span>
+        <span class="value column-quantity">1</span>
+        <span class="value column-rate">1 &euro;</span>
+        <span class="value column-subtotal">111 &euro;</span>
+        <br>
+        <span class="value column-id">1</span>
+        <span class="value column-description">Merda pura</span>
+        <span class="value column-quantity">1</span>
+        <span class="value column-rate">1 &euro;</span>
+        <span class="value column-subtotal">111 &euro;</span>
+        <br>
+        <span class="value column-id">1</span>
+        <span class="value column-description">I tu que et passa</span>
+        <span class="value column-quantity">1</span>
+        <span class="value column-rate">1 &euro;</span>
+        <span class="value column-subtotal">111 &euro;</span>
+        <br>
+        <span class="value column-id">1</span>
+        <span class="value column-description">Joder hostia puta</span>
+        <span class="value column-quantity">1</span>
+        <span class="value column-rate">1 &euro;</span>
+        <span class="value column-subtotal">111 &euro;</span>
+        <br>
+    </div>
+    <div id="totals">
+        <span class="subtotal column-title">subtotal</span>
+        <span class="subtotal column-value">33,03 &euro;</span>
+        <br>
+        <span class="tax column-title">tax</span>
+        <span class="tax column-value">33,03 &euro;</span>
+        <br>
+        <span class="total column-title">total</span>
+        <span class="total column-value">33,03 &euro;</span>
+        <br>
+    </div>
+    <div id="footer">
+        <div id="pagination">
+            Page 1 of 1
+        </div>
+        <div id="footer-column-1">
+            <div id="comments">
+                <span class="title">COMMENTS</span> The comments should be here. The comments should be here. The comments should be here. The comments should be here.
+            </div>
+        </div>
+        <div id="footer-column-2">
+            <div id="payment">
+                <span class="title">PAYMENT</span> You can pay our invoice by bank transfer
+                llkdskdlsdk The comments should be here. The comments should be here. The comments should be here. The comments should be here.
+            </div>
+            <div id="questions">
+                <span class="title">QUESTIONS</span> If you have any question about your bill, please
+                feel free to contact us at your convinience. We will reply as soon as we get
+                your message.
+            </div>
+        </div>
+    </div>
+</body>
+
--- a/orchestra/apps/bills/templates/bills/invoice.html
+++ b/orchestra/apps/bills/templates/bills/invoice.html
@ -0,0 +1,217 @@
+<html>
+<style>
+@page {
+    margin: 1cm;
+    margin-bottom: 0cm;
+    margin-top: 3cm;
+    size: a4 portrait;
+    background-image: url('img/letter_head.png');
+    @frame footer {
+        -pdf-frame-content: footerContent;
+        bottom: 0cm;
+        margin-left: 1cm;
+        margin-right: 1cm;
+        height: 2cm; 
+    }
+    @frame simple {
+        -pdf-frame-content: simple;
+        bottom: 2.0cm;
+        height: 2.5cm;
+        margin-left: 1cm;
+        margin-right: 1cm;
+    }
+}
+
+div#buyer-details{
+    font-size: 120%;
+}
+
+div#specification{
+    margin-top: 20px;
+}
+
+div#specification td{
+    vertical-align: middle;
+    padding-top: 5px;
+    padding-bottom: 3px;
+}
+
+
+table td {
+    vertical-align: top;
+    padding: 2px 0;
+    height: 16px;
+}
+
+table td.amount{
+    text-align: right;
+    padding-right: 2px;
+}
+
+table td.total{
+    padding-top: 5px;
+}
+
+table th {
+    text-align: left;
+    border-bottom: 1px solid #000;
+}
+
+tr.uneven {
+    background-color: #efefef;
+}
+
+div#footerContent {
+    color: #777777;
+}
+
+div#footerContent a {
+    color: #790000;
+    text-decoration: none;
+}
+
+.date {
+    font-size: 90%;
+    color: #777;
+}
+
+div#totals {
+    margin: 20px 0;
+}
+
+div#simple td {
+    margin-left: 10px;
+    background-color: #efefef;
+}
+
+div#simple tr {
+    border-right: 1px solid #333;
+}
+
+div#simple table{
+    text-align: center;
+    border-left: 1px solid #999;
+}
+</style>
+
+<body>
+    <h1>{{ bill_type }}</h1>
+    <div id="buyer-details">
+        <table>
+            <tr>
+                <td width="60%">
+                    <strong>{{ buyer.name }}</strong><br>
+                    {{ buyer.address }}<br>
+                    {{ buyer.zipcode }} {{ buyer.city }}<br>
+                    {{ buyer.country }}<br>
+                    {{ buyer.vat_number }}<br>
+                </td>
+                <td width="20%">
+                    <strong>Invoice number</strong><br />
+                    <strong>Date</strong><br />
+                    <strong>Due date</strong>
+                </td>
+                <td width="20%">
+                    : {{ bill.ident }}<br />
+                    : {{ bill.date|date:"d F, Y" }}<br />
+                    : {{ bill.due_on|date:"d F, Y" }}<br />
+                </td>
+            </tr>
+        </table>
+    </div>
+    <div id="specification">
+        <table width="100%">
+            <tr>
+                <th width="5%">ID</th>
+                <th width="65%">Description</th>
+                <th width="20%">Amount</th>
+                <th width="10%">Price</th>
+            </tr>
+            {% for line in lines %}
+            <tr class="{% cycle 'even' 'uneven' %}"{% if forloop.last %} style="border-bottom: 1px solid #000;"{% endif %}>
+                <td class="ID">{{ line.order_id }}</td>
+                <td style="padding-left: 2px;">{{ line.description }}
+                    <span class="date">({{ line.initial_date|date:"d-m-Y" }}{% if line.initial_date != line.final_date %} - {{ line.final_date|date:"d-m-Y" }}{% endif %})</span></td>
+                <td class="quantity">{{ line.amount }}</td>
+                <td class="amount total">&{{ currency }}; {{ line.price }}</td>
+            </tr>
+            {% endfor %}
+        </table>
+    </div>
+    <div id="totals">
+        <table width="100%">
+            <tr>
+                {% for tax, base in bases.items %}
+                <td width="60%">&nbsp;</td>
+                <td width="20%">Subtotal{% if bases.items|length > 1 %} (for {{ tax }}% taxes){% endif %}</td>
+                <td width="20%" class="amount">&{{ currency }}; {{ base }}</td>
+                {% endfor %}
+            </tr>
+            <tr>
+                {% for tax, value in taxes.items %}
+                <td width="60%">&nbsp;</td>
+                <td width="20%">Total {{ tax }}%</td>
+                <td width="20%" class="amount" style="border-bottom: 1px solid #333;">&{{ currency }}; {{ value }}</td>
+                {% endfor %}
+            </tr> 
+            <tr>
+                <td width="60%">&nbsp;</td>
+                <td width="20%" class="total"><strong>Total</strong></td>
+                <td width="20%" class="amount total">&{{ currency }}; {{ total }}</td>
+            </tr>
+        </table>
+    </div>
+    <div id="simple">
+        <table>
+            <tr>
+                <td width="33%" style="padding-top: 5px;">IBAN</th>
+                <td width="34%" style="padding-top: 5px;">Invoice ID</th>
+                <td width="33%" style="padding-top: 5px;">Amount {{ currency.upper }}</th>
+            </tr>
+            <tr>
+                <td><strong>NL28INGB0004954664</strong></td>
+                <td><strong>{{ bill.ident }}</strong></td>
+                <td><strong>{{ total }}</strong></td>
+            </tr>
+        </table>
+        <p style="text-align:center;">The invoice is to be paid before <strong>{{ invoice.exp_date|date:"F jS, Y" }}</strong> with the mention of the invoice id.</p>
+    </div>
+    <div id="footerContent">
+        <table>
+            <tr>
+                <td width="33%">
+                    {{ seller.name }}<br />
+                    {{ seller.address }}<br />
+                    {{ seller.city }}<br />
+                    {{ seller.country }}<br />
+                </td>
+                <td width="5%">
+                    Tel<br />
+                    Web<br />
+                    Email<br />
+                </td>
+                <td width="29%">
+                    {{ seller_info.phone }}<br />
+                    <a href="http://{{ seller_info.website }}">{{ seller_info.website }}</a><br />
+                    {{ seller_info.email }}
+                </td>
+                <td width="8%">
+                    Bank ING<br />
+                    IBAN<br />
+                    BTW<br />
+                    KvK<br />
+                </td>
+                <td width="25%">
+                    4954664<br />
+                    NL28INGB0004954664<br />
+                    NL 8207.29.449.B01<br />
+                    27343027
+                </td>
+            </tr>
+        </table>
+    </div>
+    Payment info
+
+</body>
+</html>
+
--- a/orchestra/apps/bills/templates/bills/plans/PL_EN.html
+++ b/orchestra/apps/bills/templates/bills/plans/PL_EN.html
@ -0,0 +1,5 @@
+{% extends 'bills/plans/invoice_base.html' %}
+{% block title %}{{ invoice.full_number }}{% endblock %}
+{% block body %}
+{% include 'bills/plans/PL_EN_layout.html' %}
+{% endblock %}
--- a/orchestra/apps/bills/templates/bills/plans/PL_EN_layout.html
+++ b/orchestra/apps/bills/templates/bills/plans/PL_EN_layout.html
@ -0,0 +1,171 @@
+    {% if logo_url %}
+        <img src="{{ logo_url }}" alt="company logo">
+    {% endif %}
+
+    <div style="float:right; text-align: right;">
+        <h1>
+            <label><span class="pl invoice_header">{% if invoice.type == invoice.INVOICE_TYPES.INVOICE %}Faktura VAT nr{% endif %}{% if invoice.type == invoice.INVOICE_TYPES.PROFORMA %}Faktura PROFORMA nr{% endif %}{% if invoice.type == invoice.INVOICE_TYPES.DUPLICATE %}Faktura VAT DUPLIKAT nr{% endif %}</span> <span class="en">{% if invoice.type == invoice.INVOICE_TYPES.INVOICE %}Invoice ID{% endif %}{% if invoice.type == invoice.INVOICE_TYPES.PROFORMA %}Order confirmation ID{% endif %}{% if invoice.type == invoice.INVOICE_TYPES.DUPLICATE %}Invoice (duplicate) ID{% endif %}</span></label> <span id="full_number">{{ invoice.full_number }}</span>
+        </h1>
+        <h2>{% if not copy %}ORYGINAŁ{% else %}KOPIA{% endif %}</h2>
+        <p> <label><span class="pl">Data wystawienia:</span> <span class="en">Issued</span></label> {{ invoice.issued|date:"Y-m-d" }}</p>
+        {% if invoice.type != invoice.INVOICE_TYPES.PROFORMA %}{# Not a PROFORMA #}
+            <p> <label><span class="pl">Data sprzedaży:</span> <span class="en">Date of order</span></label> {{ invoice.selling_date|date:"Y-m-d" }}</p>
+        {% else %}
+            <p>&nbsp;</p>
+        {% endif %}
+    </div>
+
+    <table style="width: 100%; margin-bottom: 40px; font-size: 12px;" >
+        <tr>
+            <td style="width: 50%;">
+            </td>
+            <td style="width: 50%; padding-right: 4em; font-weight: bold; font-size: 15px;" id="shipping">
+                <strong> <label><span class="pl">Adres wysyłki:</span> <span class="en">Shipping address</span></label></strong><br><br>
+
+                {{ buyer.name }}<br>
+                {{ buyer.address }}<br>
+                {{ buyer.zipcode }}<br>
+                {{ buyer.country }}
+
+
+            </td>
+        </tr>
+        <tr>
+            <td style="width: 50%; 	vertical-align: top;">
+
+                <strong> <label><span class="pl">Sprzedawca:</span> <span class="en">Seller</span></label></strong><br><br>
+                {{ seller.name }}<br>
+                {{ seller.address }}<br>
+                {{ seller.zipcode }}<br>
+                {{ seller.country }}<p>
+            <label><span class="pl">Numer NIP:</span><span class="en">VAT ID</span></label> {{ invoice.issuer_tax_number }}<br>
+            </td>
+            <td style="width: 50%; 	vertical-align: top;">
+
+                <strong> <label><span class="pl">Nabywca:</span> <span class="en">Buyer</span></label></strong><br><br>
+                {{ buyer.name }}<br>
+                {{ buyer.address }}<br>
+                {{ buyer.zipcode }}<br>
+                {{ buyer.country }}
+
+                {%  if invoice.buyer_tax_number %}
+                    <p>
+
+                        <label><span class="pl">Numer NIP:</span><span class="en">VAT ID</span></label> {{ invoice.buyer_tax_number }}
+
+                    </p>
+                {% endif %}
+                <br>
+            </td>
+        </tr>
+    </table>
+
+    <table style="margin-bottom: 40px; width: 100%;" id="items">
+        <thead>
+        <tr>
+            <td>
+                <span class="pl">L.p.</span>
+            </td>
+            <td>
+                <span class="pl">Nazwa&nbsp;usługi</span><br>
+                <span class="en">Description</span>
+
+            </td>
+
+            <td>
+                <span class="pl">Cena&nbsp;j.&nbsp;netto</span><br>
+                <span class="en">Unit&nbsp;price</span>
+
+            </td>
+            <td>
+
+                <span class="pl">Ilość</span><br>
+                <span class="en">Qty.</span>
+            </td>
+            <td>
+                <span class="pl">J.m.</span>
+            </td>
+            {% if invoice.rebate %}
+
+                <td>
+                    <span class="pl">Rabat</span><br><span class="en">Rebate</span>
+
+                </td>
+            {%  endif %}
+            <td>
+                <span class="pl">Wartość&nbsp;netto</span><br>
+                <span class="en">Subtotal</span>
+            </td>
+            <td style="width: 3%;">
+                <span class="pl">VAT</span><br> <span class="en">TAX</span>
+            </td>
+            <td>
+
+                <span class="pl">Kwota&nbsp;VAT</span><br><span class="en">TAX/VAT&nbsp;Amount</span>
+            </td>
+            <td style="width: 8%;">
+
+                <span class="pl">Wartość&nbsp;brutto</span><br>
+                <span class="en">Subtotal&nbsp;with&nbsp;TAX/VAT</span>
+            </td>
+        </tr>
+        </thead>
+        <tbody>
+        <tr>
+            <td>
+                1
+            </td>
+            <td class="center">{{ invoice.item_description }}</td>
+            <td class="number">{{ invoice.unit_price_net|floatformat:2 }}&nbsp;{{ invoice.currency }}</td>
+            <td class="center">{{ invoice.quantity }}</td>
+            <td class="center"><span class="pl">sztuk</span><br><span class="en">units</span></td>
+
+            {% if invoice.rebate %}
+                <td class="number">{{ invoice.rebate|floatformat:2 }}&nbsp;%</td>
+            {%  endif %}
+            <td class="number">{{ invoice.total_net|floatformat:2 }}&nbsp;{{ invoice.currency }}</td>
+            <td class="number">{% if invoice.tax != None %}{{ invoice.tax|floatformat:2 }}&nbsp;%{% else %}<span class="pl">n.p.</span><br><span class="en">n/a</span>{% endif %}</td>
+            <td class="number">{% if invoice.tax_total != None %}{{ invoice.tax_total|floatformat:2 }}&nbsp;{{ invoice.currency }}{% else %}<span class="pl">n.p.</span><br><span class="en">n/a</span>{% endif %}</td>
+            <td class="number">{{ invoice.total|floatformat:2 }}&nbsp;{{ invoice.currency }}</td>
+        </tr>
+        </tbody>
+        <tfoot>
+        <tr>
+            <td colspan="{% if invoice.rebate %}6{% else %}5{%  endif %}" style="background-color: #EEE;"><label><span class="pl">Razem:</span><span class="en">Total</span></label>  </td>
+            <td>{{ invoice.total_net|floatformat:2 }}&nbsp;{{ invoice.currency }}</td>
+            <td>{% if invoice.tax != None %}{{ invoice.tax|floatformat:2 }}&nbsp;%{% else %}<span class="pl">n.p.</span><br><span class="en">n/a</span>{% endif %}</td>
+            <td>{% if invoice.tax_total != None %}{{ invoice.tax_total|floatformat:2 }}&nbsp;{{ invoice.currency }}{% else %}<span class="pl">n.p.</span><br><span class="en">n/a</span>{% endif %}</td>
+            <td>{{ invoice.total|floatformat:2 }}&nbsp;{{ invoice.currency }}</td>
+        </tr>
+        </tfoot>
+    </table>
+    <div style="width: 100%;">
+
+        {% if invoice.type != invoice.INVOICE_TYPES.PROFORMA %}
+            <strong><label><span class="pl">Sposób zapłaty:</span><span class="en">Payment</span></label></strong>  <label><span class="pl">płatność elektroniczna</span>  <span class="en">electronic payment</span></label><br><br>
+        {% endif %}
+
+
+        <strong><label><span class="pl">Termin zapłaty:</span><span class="en">Payment till</span></label></strong>
+
+        {% if invoice.type == invoice.INVOICE_TYPES.PROFORMA %}
+
+
+        {% else %}
+            <label> <span class="pl">zapłacono dnia</span> <span class="en"> paid</span></label>
+        {% endif %}
+
+        {{ invoice.payment_date|date:"Y-m-d" }}
+        <br><br>
+        <hr>
+
+        {% if invoice.type == invoice.INVOICE_TYPES.PROFORMA %}<p><span class="pl">Ten dokument <strong>nie jest</strong> fakturą VAT (nie jest dokumentem księgowym).</span><span class="en">This document <strong>is not</strong> an invoice.</span></p> {% endif %}
+
+        {% if invoice.tax == None and invoice.is_UE_customer %}
+            <p>
+                <span class="pl">Odwrotne obciążenie.</span><span class="en">-Reverse charge.</span>
+            </p>
+        {% endif %}
+
+
+    </div>
--- a/orchestra/apps/bills/templates/bills/plans/invoice_base.html
+++ b/orchestra/apps/bills/templates/bills/plans/invoice_base.html
@ -0,0 +1,83 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>{% block title %}{% endblock %}</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+    <style type="text/css">
+        html, body{
+            font-size: 12px;
+            font-family: Helvetica;
+        }
+        span.en {
+            font-size: 10px;
+            color:gray;
+        }
+        span.pl {
+            font-size: 14px;
+            color: black;
+        }
+        table {
+            border-collapse: collapse;
+        }
+
+        table td, table th {
+            border: 1px solid black;
+            padding: 1em;
+        }
+        table thead{
+            text-align: center;
+        }
+        #shipping{
+            text-align: right;
+        }
+        table#items thead {
+            background-color: #EEE;
+        }
+        table#items tfoot td{
+            text-align: right;
+            font-weight: bold;
+            font-size: 14px;
+        }
+        table td.number{
+            text-align: right;
+
+        }
+        table td.center{
+            text-align: center;
+        }
+
+        strong{
+            font-size: 14px;
+        }
+        #full_number , span.invoice_header{
+            font-size: 26px;
+            font-weight: bold;
+        }
+
+
+        label{
+            display: inline-block;
+            position: relative;
+            margin-bottom: .5em;
+
+        }
+
+        label span.pl {
+            display: block;
+        }
+
+        label span.en{
+            position: absolute;
+            right: .5em;
+
+        }
+
+    </style>
+
+    {% block head %}{% endblock %}
+
+</head>
+<body style="width: 960px; margin: 0 auto;" {% if auto_print %}onload="window.print();"{% endif %}>
+{% block body %}{% endblock %}
+</body>
+</html>
--- a/orchestra/apps/payments/admin.py
+++ b/orchestra/apps/payments/admin.py
@ -31,6 +31,10 @@ class TransactionAdmin(admin.ModelAdmin):
    account_link = admin_link('bill__account')
    display_state = admin_colored('state', colors=STATE_COLORS)
    
+    def get_queryset(self, request):
+        qs = super(TransactionAdmin, self).get_queryset(request)
+        return qs.select_related('source', 'bill__account__user')
+

 class PaymentSourceAdmin(AccountAdminMixin, admin.ModelAdmin):
    list_display = ('label', 'method', 'number', 'account_link', 'is_active')
@ -54,7 +58,8 @@ class PaymentProcessAdmin(admin.ModelAdmin):
        ids = []
        lines = []
        counter = 0
-        tx_ids = process.transactions.order_by('id').values_list('id', flat=True)
+        # Because of values_list this query doesn't benefit from prefetch_related
+        tx_ids = process.transactions.values_list('id', flat=True)
        for tx_id in tx_ids:
            ids.append(str(tx_id))
            counter += 1
--- a/orchestra/templates/orchestra/admin/change_form.html
+++ b/orchestra/templates/orchestra/admin/change_form.html
@ -0,0 +1,10 @@
+{% extends "admin/change_form.html" %}
+{% load i18n admin_urls utils %}
+
+
+{% block object-tools-items %}
+{% for item in object_tools_items %}
+    <li><a href="{{ item.url_name }}/" class="{{ item.css_class }}" title="{{ item.description }}">{{ item.verbose_name }}</a></li>
+{% endfor %}
+{{ block.super }}
+{% endblock %}
--- a/orchestra/templatetags/utils.py
+++ b/orchestra/templatetags/utils.py
@ -44,4 +44,3 @@ def size(value, length):
@register.filter(name='is_checkbox')
 def is_checkbox(field):
    return isinstance(field.field.widget, CheckboxInput)
-