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first release of pos_localstorage

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Markus Schneider 10 years ago
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3 changed files with 288 additions and 0 deletions
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  1. 21
      pos_localstorage/__init__.py
  2. 43
      pos_localstorage/__openerp__.py
  3. 224
      pos_localstorage/static/src/js/models.js

21
pos_localstorage/__init__.py
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# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2010-2013 OpenERP s.a. (<http://openerp.com>).
# Copyright (C) 2013 initOS GmbH & Co. KG (<http://www.initos.com>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

43
pos_localstorage/__openerp__.py
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# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (C) 2015 initOS GmbH & Co. KG (<http://www.initos.com>).
# Author Thomas Rehn <thomas.rehn at initos.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
{
'name': 'POS Local Storage Product Cache',
'version': '0.1',
'category': 'Point Of Sale',
'author': 'initOS GmbH & Co. KG, '
'Odoo Community Association (OCA)',
'description': """
Local Storage Cache for Point of Sale
=====================================
Stores product data in localStorage to improve booting time.
""",
'depends': ["point_of_sale",
],
'data': [
],
'js': [
'static/src/js/models.js',
],
'installable': True,
'application': False,
'auto_install': False,
}

224
pos_localstorage/static/src/js/models.js
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openerp.pos_localstorage = function(instance){
var module = instance.point_of_sale;
var UpdateProducts = {
runOnce: function(pos) {
var self = this;
// We subtract the following period from the last update time
// to make sure that we get all changes (including those that happened
// during the last update phase).
var _searchGracePeriod = 30 * 60 * 1000; // 30 minutes
// List of product attributes that the POS uses.
var productAttributeList = ['name', 'list_price','price','pos_categ_id', 'taxes_id', 'ean13', 'default_code', 'variants',
'to_weight', 'uom_id', 'uos_id', 'uos_coeff', 'mes_type', 'description_sale', 'description'];
var lastUpdate = pos.db.load('last_product_update');
if (!lastUpdate)
lastUpdate = '1970-01-01T00:00:00Z';
// Fetch all products that we sell and that have not been changed since
// we updated for the last time.
return pos.fetch(
'product.product',
['id'],
[['sale_ok', '=', true], ['available_in_pos', '=', true], ['write_date', '<', lastUpdate]]
).then(function(products){
var products_to_add = [];
var products_to_fetch = [];
for (var i in products) {
// Try to get product information from localStorage.
// If this fails, we load the information from the server.
var product = pos.db.load('product_' + products[i].id);
if (product) {
products_to_add.push(product);
} else {
products_to_fetch.push(products[i].id);
}
}
// Add products that we have in localStorage
pos.db.add_products(products_to_add);
// Fetch all products that we don't have the data
// because they were not in localStorage or they are new
return pos.fetch('product.product',
productAttributeList,
['|', ['id', 'in', products_to_fetch],
'&', '&', ['sale_ok', '=', true], ['available_in_pos', '=', true], ['write_date', '>=', lastUpdate]],
{pricelist: pos.get('shop').pricelist_id[0]} // context for price
);
}).then(function(products){
pos.db.add_products(products);
lastUpdate = new Date(Date.now() - _searchGracePeriod).toISOString();
pos.db.save('last_product_update', lastUpdate);
});
},
};
var _old_initialize = module.PosModel.prototype.initialize;
module.PosModel.prototype.initialize = function(session, attributes) {
var ret = _old_initialize.call(this, session, attributes);
// HACK to make localStorage abstraction dependent of the database
this.db.name = session.db;
// clear database again after setting the name;
this.db.clear('products','categories');
return ret;
};
// Overwrite method to additionally save product data in localStorage
var _old_add_products = module.PosLS.prototype.add_products;
module.PosLS.prototype.add_products = function(products) {
_old_add_products.call(this, products);
try {
for (var i in products) {
var product = products[i];
this.save('product_' + product.id, product);
}
} catch(e) {
if (console) {
console.log("Could not store all products into LocalStorage");
console.log(e);
}
// We delete the last ~100 products to free up space.
// If localStorage is full, some other features may crash.
var length = localStorage.length;
for (var i = 1; i <= 100; ++i) {
var key = localStorage.key(length - i);
if (/product_\d+$/.exec(key)) {
localStorage.removeItem(key);
}
}
}
};
// overwrite method in order to replace product loading
module.PosModel.prototype.load_server_data = function(){
var self = this;
var loaded = self.fetch('res.users',['name','company_id'],[['id','=',this.session.uid]])
.then(function(users){
self.set('user',users[0]);
return self.fetch('res.company',
[
'currency_id',
'email',
'website',
'company_registry',
'vat',
'name',
'phone',
'partner_id',
],
[['id','=',users[0].company_id[0]]]);
}).then(function(companies){
self.set('company',companies[0]);
return self.fetch('res.partner',['contact_address'],[['id','=',companies[0].partner_id[0]]]);
}).then(function(company_partners){
self.get('company').contact_address = company_partners[0].contact_address;
return self.fetch('product.uom', null, null);
}).then(function(units){
self.set('units',units);
var units_by_id = {};
for(var i = 0, len = units.length; i < len; i++){
units_by_id[units[i].id] = units[i];
}
self.set('units_by_id',units_by_id);
return self.fetch('product.packaging', null, null);
}).then(function(packagings){
self.set('product.packaging',packagings);
return self.fetch('res.users', ['name','ean13'], [['ean13', '!=', false]]);
}).then(function(users){
self.set('user_list',users);
return self.fetch('res.partner', ['name','ean13'], [['ean13', '!=', false]]);
}).then(function(partners){
self.set('partner_list',partners);
return self.fetch('account.tax', ['amount', 'price_include', 'type']);
}).then(function(taxes){
self.set('taxes', taxes);
return self.fetch(
'pos.session',
['id', 'journal_ids','name','user_id','config_id','start_at','stop_at'],
[['state', '=', 'opened'], ['user_id', '=', self.session.uid]]
);
}).then(function(sessions){
self.set('pos_session', sessions[0]);
return self.fetch(
'pos.config',
['name','journal_ids','shop_id','journal_id',
'iface_self_checkout', 'iface_led', 'iface_cashdrawer',
'iface_payment_terminal', 'iface_electronic_scale', 'iface_barscan', 'iface_vkeyboard',
'iface_print_via_proxy','iface_cashdrawer','state','sequence_id','session_ids'],
[['id','=', self.get('pos_session').config_id[0]]]
);
}).then(function(configs){
var pos_config = configs[0];
self.set('pos_config', pos_config);
self.iface_electronic_scale = !!pos_config.iface_electronic_scale;
self.iface_print_via_proxy = !!pos_config.iface_print_via_proxy;
self.iface_vkeyboard = !!pos_config.iface_vkeyboard;
self.iface_self_checkout = !!pos_config.iface_self_checkout;
self.iface_cashdrawer = !!pos_config.iface_cashdrawer;
return self.fetch('sale.shop',[],[['id','=',pos_config.shop_id[0]]]);
}).then(function(shops){
self.set('shop',shops[0]);
return self.fetch('product.pricelist',['currency_id'],[['id','=',self.get('shop').pricelist_id[0]]]);
}).then(function(pricelists){
self.set('pricelist',pricelists[0]);
return self.fetch('res.currency',['symbol','position','rounding','accuracy'],[['id','=',self.get('pricelist').currency_id[0]]]);
}).then(function(currencies){
self.set('currency',currencies[0]);
return self.fetch('product.packaging',['ean','product_id']);
}).then(function(packagings){
self.db.add_packagings(packagings);
return self.fetch('pos.category', ['id','name','parent_id','child_id','image'])
}).then(function(categories){
self.db.add_categories(categories);
return UpdateProducts.runOnce(self);
}).then(function(products){
return self.fetch(
'account.bank.statement',
['account_id','currency','journal_id','state','name','user_id','pos_session_id'],
[['state','=','open'],['pos_session_id', '=', self.get('pos_session').id]]
);
}).then(function(bank_statements){
var journals = new Array();
_.each(bank_statements,function(statement) {
journals.push(statement.journal_id[0])
});
self.set('bank_statements', bank_statements);
return self.fetch('account.journal', undefined, [['id','in', journals]]);
}).then(function(journals){
self.set('journals',journals);
// associate the bank statements with their journals.
var bank_statements = self.get('bank_statements');
for(var i = 0, ilen = bank_statements.length; i < ilen; i++){
for(var j = 0, jlen = journals.length; j < jlen; j++){
if(bank_statements[i].journal_id[0] === journals[j].id){
bank_statements[i].journal = journals[j];
bank_statements[i].self_checkout_payment_method = journals[j].self_checkout_payment_method;
}
}
}
self.set({'cashRegisters' : new module.CashRegisterCollection(self.get('bank_statements'))});
});
return loaded;
};
}
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