Products/photoprint/tool.py

   1 # -*- coding: utf-8 -*-
   2 #######################################################################################
   3 # Copyright © 2009 Benoît Pin <pin@cri.ensmp.fr>                                      #
   4 # Plinn - http://plinn.org                                                            #
   5 #                                                                                     #
   6 #                                                                                     #
   7 #   This program is free software; you can redistribute it and/or                     #
   8 #   modify it under the terms of the GNU General Public License                       #
   9 #   as published by the Free Software Foundation; either version 2                    #
  10 #   of the License, or (at your option) any later version.                            #
  11 #                                                                                     #
  12 #   This program is distributed in the hope that it will be useful,                   #
  13 #   but WITHOUT ANY WARRANTY; without even the implied warranty of                    #
  14 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                     #
  15 #   GNU General Public License for more details.                                      #
  16 #                                                                                     #
  17 #   You should have received a copy of the GNU General Public License                 #
  18 #   along with this program; if not, write to the Free Software                       #
  19 #   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   #
  20 #######################################################################################
  21 """
  22 Photo print tool. Used to link photo to print orders.
  23
  24
  25
  26 """
  27
  28 from AccessControl import ClassSecurityInfo
  29 from AccessControl.requestmethod import postonly
  30 from Acquisition import aq_base, aq_inner
  31 from Globals import InitializeClass
  32 from OFS.OrderedFolder import OrderedFolder
  33 from Products.CMFCore.utils import UniqueObject, getToolByName
  34 from permissions import ManagePrintOrderTemplate
  35 from price import Price
  36 from utils import Message as _
  37 from Products.Plinn.utils import makeValidId
  38 from zope.component import getUtility
  39 from zope.component.interfaces import IFactory
  40 from DateTime import DateTime
  41 from Products.Plinn.utils import _sudo
  42
  43
  44 PRINTING_OPTIONS_ID = 'printingOptions'
  45 COPIES_COUNTERS = '_copies_counters'
  46 SOLD_OUT = 'SOLD_OUT'
  47
  48
  49 class PhotoPrintTool(UniqueObject, OrderedFolder) :
  50         """
  51         Provide utilities to configure possible printing works
  52         over photo of the portal.
  53         """
  54
  55         id = 'portal_photo_print'
  56         meta_type = 'Photo print tool'
  57
  58         security = ClassSecurityInfo()
  59
  60         incomingOrderPath = 'commandes'
  61         no_shipping_threshold = 150
  62         shipping = 6.0
  63         shipping_vat = 0.196
  64         store_name = ''
  65         _order_counter = 0
  66         _transaction_id_counter = 0
  67
  68         _properties = OrderedFolder._properties + (
  69                 {'id' : 'incomingOrderPath',            'type' : 'string',      'mode' : 'w'},
  70                 {'id' : 'no_shipping_threshold',        'type' : 'int',         'mode' : 'w'},
  71                 {'id' : 'shipping',                                     'type' : 'float',       'mode' : 'w'},
  72                 {'id' : 'shipping_vat',                         'type' : 'float',       'mode' : 'w'},
  73                 {'id' : 'store_name',                           'type' : 'string',      'mode' : 'w'}
  74                 )
  75
  76
  77         security.declarePublic('getPrintingOptionsFor')
  78         def getPrintingOptionsFor(self, ob) :
  79                 "returns printing options for the given ob."
  80                 optionsContainer = getattr(aq_inner(ob), PRINTING_OPTIONS_ID, None)
  81                 if optionsContainer is None :
  82                         return None
  83
  84                 counters = self.getCountersFor(ob)
  85                 if counters.get(SOLD_OUT) :
  86                         return None
  87
  88                 options = []
  89                 for o in optionsContainer.objectValues() :
  90                         if o.maxCopies == 0 or \
  91                                 counters.get(o.productReference, 0) < o.maxCopies :
  92                                 options.append(o)
  93
  94                 return options
  95
  96         security.declarePublic('getPrintingOptionsContainerFor')
  97         def getPrintingOptionsContainerFor(self, ob):
  98                 """getPrintingOptionsContainerFor
  99                 """
 100                 return getattr(ob, PRINTING_OPTIONS_ID, None)
 101
 102         security.declarePrivate('getCountersFor')
 103         def getCountersFor(self, ob):
 104                 if hasattr(ob.aq_self, COPIES_COUNTERS) :
 105                         return getattr(ob, COPIES_COUNTERS)
 106                 else :
 107                         return {}
 108
 109
 110         security.declareProtected(ManagePrintOrderTemplate, 'createPrintingOptionsContainer')
 111         def createPrintingOptionsContainer(self, ob):
 112                 container = PrintingOptionsContainer()
 113                 setattr(ob, PRINTING_OPTIONS_ID, container)
 114                 return getattr(ob, PRINTING_OPTIONS_ID)
 115
 116         security.declareProtected(ManagePrintOrderTemplate, 'deletePrintingOptionsContainer')
 117         def deletePrintingOptionsContainer(self, ob):
 118                 if not self.hasPrintingOptions(ob) :
 119                         raise ValueError( _('No printing options found at %r') % ob.absolute_url() )
 120                 else :
 121                         delattr(ob, PRINTING_OPTIONS_ID)
 122
 123         security.declareProtected(ManagePrintOrderTemplate, 'hasPrintingOptions')
 124         def hasPrintingOptions(self, ob):
 125                 """ return boolean that instruct if there's printing
 126                         options especially defined on ob
 127                 """
 128                 return hasattr(aq_base(ob), PRINTING_OPTIONS_ID)
 129
 130
 131         security.declareProtected(ManagePrintOrderTemplate, 'getPrintingOptionsSrc')
 132         def getPrintingOptionsSrc(self, ob) :
 133                 optionsContainer = getattr(ob, PRINTING_OPTIONS_ID, None)
 134                 if optionsContainer is None :
 135                         return None
 136                 src = optionsContainer.aq_inner.aq_parent
 137                 return src
 138
 139         security.declareProtected(ManagePrintOrderTemplate, 'getPrintOrderOptionsContainerFor')
 140         def getPrintOrderOptionsContainerFor(self, ob) :
 141                 """
 142                 returns the printing options container or None.
 143                 """
 144                 if hasattr(aq_base(ob), PRINTING_OPTIONS_ID) :
 145                         return getattr(ob, PRINTING_OPTIONS_ID)
 146
 147         security.declareProtected(ManagePrintOrderTemplate, 'addPrintOrderTemplate')
 148         @postonly
 149         def addPrintOrderTemplate(self
 150                                                         , ob
 151                                                         , title=''
 152                                                         , description=''
 153                                                         , productReference=''
 154                                                         , maxCopies=0
 155                                                         , price=0
 156                                                         , VATRate=0
 157                                                         , REQUEST=None):
 158
 159                 title, maxCopies, price, VATRate = PhotoPrintTool._ckeckTemplateParams(title, maxCopies, price,  VATRate)
 160
 161                 container = getattr(ob, PRINTING_OPTIONS_ID)
 162
 163                 id = makeValidId(container, title)
 164
 165                 factory = getUtility(IFactory, 'photoprint.order_template')
 166                 orderTemplate = factory( id
 167                                                            , title=title
 168                                                            , description=description
 169                                                            , productReference=productReference
 170                                                            , maxCopies=maxCopies
 171                                                            , price=price
 172                                                            , VATRate=VATRate
 173                                                            )
 174                 container._setObject(id, orderTemplate)
 175                 return orderTemplate.__of__(container)
 176
 177
 178         security.declareProtected(ManagePrintOrderTemplate, 'editPrintOrderTemplate')
 179         @postonly
 180         def editPrintOrderTemplate(self, ob, id, REQUEST=None, **kw):
 181                 container = self.getPrintingOptionsContainerFor(ob)
 182                 orderTemplate = getattr(container, id)
 183
 184                 g = kw.get
 185                 title, description, productReference, maxCopies, price, VATRate = \
 186                         g('title', ''), g('description', ''), g('productReference'), g('maxCopies',0), g('price',0), g('VATRate', 0)
 187                 title, maxCopies, price, VATRate = PhotoPrintTool._ckeckTemplateParams(title, maxCopies, price, VATRate)
 188
 189                 orderTemplate.edit( title=title
 190                                                   , description=description
 191                                                   , productReference=productReference
 192                                                   , maxCopies = maxCopies
 193                                                   , price=price
 194                                                   , VATRate=VATRate)
 195
 196                 return orderTemplate
 197
 198         @staticmethod
 199         def _ckeckTemplateParams(title, maxCopies, price, VATRate) :
 200                 title = title.strip()
 201
 202                 if not title :
 203                         raise ValueError(_(u'You must enter a title.'))
 204                 try :
 205                         maxCopies = int(maxCopies)
 206                 except ValueError :
 207                         raise ValueError(_(u'You must enter an integer number\nfor the maximum number of copies.'))
 208                 if maxCopies < 0 :
 209                         raise ValueError(_(u'You must enter a positive value\nfor the maximum number of copies.'))
 210                 try :
 211                         price = float(price.replace(',', '.'))
 212                 except ValueError :
 213                         raise ValueError(_(u'You must enter a numeric value for the price.'))
 214
 215                 try :
 216                         VATRate = float(VATRate.replace(',', '.')) / 100
 217                 except ValueError :
 218                         raise ValueError(_(u'You must enter a numeric value for the VAT rate.'))
 219
 220                 return title, maxCopies, price, VATRate
 221
 222         security.declarePublic('addPrintOrder')
 223         def addPrintOrder(self, cart):
 224                 utool = getToolByName(self, 'portal_url')
 225                 portal = utool.getPortalObject()
 226                 ttool = getToolByName(portal, 'portal_types')
 227
 228                 baseContainer = portal.unrestrictedTraverse(self.getProperty('incomingOrderPath'), None)
 229                 if baseContainer is None:
 230                         parts = self.getProperty('incomingOrderPath').split('/')
 231                         baseContainer = portal
 232                         for id in parts :
 233                                 if not hasattr(baseContainer.aq_base, id) :
 234                                         id = _sudo(lambda:ttool.constructContent('Order Folder', baseContainer, id))
 235                                 baseContainer = getattr(baseContainer, id)
 236
 237                 now = DateTime()
 238                 monthId = now.strftime('%Y-%m')
 239                 if not hasattr(baseContainer.aq_base, monthId) :
 240                         monthId = _sudo(lambda:ttool.constructContent('Order Folder', baseContainer, monthId))
 241
 242                 container = getattr(baseContainer, monthId)
 243
 244                 self._order_counter += 1
 245                 id = '%s-%d' % (monthId, self._order_counter)
 246                 id = container.invokeFactory('Order', id)
 247                 ob = getattr(container,id)
 248                 ob.loadCart(cart)
 249                 return ob
 250
 251         security.declarePublic('getShippingFeesFor')
 252         def getShippingFeesFor(self, shippable=None, price=None):
 253                 # returns Fees
 254                 # TODO: use adapters
 255                 # for the moment, shippable objet must provide a 'price' attribute
 256
 257                 if shippable and price :
 258                         raise AttributeError("'shippable' and 'price' are mutually exclusive.")
 259
 260                 if shippable :
 261                         amount = shippable.price.getValues()['taxed']
 262                 else :
 263                         amount = price.getValues()['taxed']
 264
 265                 threshold = self.getProperty('no_shipping_threshold')
 266
 267                 if amount < threshold :
 268                         fees = Price(self.getProperty('shipping')
 269                                                 , self.getProperty('shipping_vat'))
 270                 else :
 271                         fees = Price(0,0)
 272                 return fees
 273
 274         security.declarePrivate('getNextTransactionId')
 275         def getNextTransactionId(self):
 276                 trid = self._transaction_id_counter
 277                 trid = (trid + 1) % 1000000
 278                 self._transaction_id_counter = trid
 279                 trid = str(trid).zfill(6)
 280                 return trid
 281
 282
 283 InitializeClass(PhotoPrintTool)
 284
 285
 286 class PrintingOptionsContainer(OrderedFolder) :
 287         meta_type = 'Printing options container'
 288         security = ClassSecurityInfo()
 289
 290         def __init__(self) :
 291                 self.id = PRINTING_OPTIONS_ID
 292
 293         def __getitem__(self, k) :
 294                 sd = context.session_data_manager.getSessionData(create = 1)