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##############################################################################
#
# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
# Jean-Paul Smets-Solanes <jp@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
class Resource:
"""
Properties which allow to define a generic Resource.
The underlying idea is that we only define 'base' properties
which correspond to a generic variations of the resource.
Variations can change the base properties by introduction
new attributions such as 'option' properties.
"""
_properties = (
# Pricing properties
{ 'id' : 'source_base_price',
'description' : 'A typical per unit price at which this resource can be sourced (bought)',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'source_base_price_validity',
'description' : 'Validity of the typical per unit price at which this resource can be sourced',
'type' : 'date',
'mode' : 'w' },
{ 'id' : 'destination_base_price',
'description' : 'A typical per unit price at which this resource can be supplied (sold)',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'destination_base_price_validity',
'description' : 'Validity of the typical per unit price at which this resource can be supplied',
'type' : 'date',
'mode' : 'w' },
{ 'id' : 'base_price',
'description' : 'A default per unit price used for internal price calculations',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'priced_quantity',
'description' : 'Number of units involved in base prices',
'type' : 'float',
'default' : 1.0,
'mode' : 'w' },
{ 'id' : 'consumer_unit_quantity',
'description' : 'Number of consumer_unit involved in the resoure (sku)',
'type' : 'float',
'default' : 1.0,
'mode' : 'w' },
{ 'id' : 'base_unit_quantity',
'description' : 'The smallest transferrable amount expressed in the default unit',
'type' : 'float',
'default' : 1.0,
'mode' : 'w' },
# Physical properties
{ 'id' : 'base_weight',
'description' : 'A typical per unit weight of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'base_volume',
'description' : 'A typical per unit volume of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'base_length',
'description' : 'A typical per unit length of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'base_width',
'description' : 'A typical per unit width of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'base_height',
'description' : 'A typical per unit height of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'base_surface',
'description' : 'A typical per unit surface of the resource',
'type' : 'float',
'mode' : 'w' },
# Basic conversion properties
# A property is set on categories to define if it is length, weight etc.
# another property defines the conversion to the default lenght
# (ie. nomber of meters in 1 inch)
# This allows to implement universal conversions
{ 'id' : 'length_quantity',
'description' : 'length of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'weight_quantity',
'description' : 'weight of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'height_quantity',
'description' : 'height of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'width_quantity',
'description' : 'width of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'surface_quantity',
'description' : 'surface area of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'volume_quantity',
'description' : 'volume of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'unit_quantity',
'description' : 'units of the resource',
'type' : 'float',
'mode' : 'w' },
{ 'id' : 'time_quantity',
'description' : 'time of the resource',
'type' : 'float',
'mode' : 'w' },
# Sourcing / planning properties
{ 'id' : 'source_title',
'storage_id' : 'default_source_title', # Compatibility
'description' : 'The titles of the sources of this resource',
'type' : 'string',
'acquisition_base_category' : ('source',),
'acquisition_portal_type' : ('Organisation','MetaNode'),
'acquisition_copy_value' : 0,
'acquisition_accessor_id' : 'getTitle',
'acquisition_depends' : None,
'mode' : 'w' },
{ 'id' : 'destination_title',
'storage_id' : 'default_destination_title', # Compatibility
'description' : 'The titles of the destinations of this resource',
'type' : 'string',
'acquisition_base_category' : ('destination',),
'acquisition_portal_type' : ('Organisation','MetaNode'),
'acquisition_copy_value' : 0,
'acquisition_accessor_id' : 'getTitle',
'acquisition_depends' : None,
'mode' : 'w' },
# Default attributes overriden in supply lines (should be in supply line)
{ 'id' : 'trade_description',
'description' : 'A description of the document intended for client',
'type' : 'text',
'default' : '',
'mode' : 'w' },
{ 'id' : 'instructions',
'description' : 'instructions in order to explain how to use the resource',
'type' : 'text',
'default' : '',
'mode' : 'w' },
# Pricing
{ 'id' : 'p_variation_base_category',
# XXX Compatibility
'description' : 'Base category range of matrix',
'type' : 'lines',
'default' : [],
'multivalued' : 1,
'mode' : 'w' },
)
_categories = ( 'source', 'destination', 'quantity_unit',
'base_contribution',
'use',
'price_currency', 'product_line',
'industrial_phase')