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[WIP] point_of_sale: moving DAO to db 

bzr revid: fva@openerp.com-20120814115630-23cv9s71zh79xcve
This commit is contained in:
Frédéric van der Essen 2012-08-14 13:56:30 +02:00
parent d537abc1b2
commit 7559c2e771
1 changed files with 86 additions and 47 deletions
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133
addons/point_of_sale/static/src/js/pos_db.js
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@ -10,12 +10,9 @@ function openerp_pos_db(instance, module){
options = options || {};
this.name = options.name || this.name;
this.limit = options.limit || this.limit;
this.products = this.name + '_products';
this.categories = this.name + '_categories';
//products cache put the data in memory to avoid roundtrips to the localstorage
this.products_cache = null;
this.categories_cache = null;
//cache the data in memory to avoid roundtrips to the localstorage
this.cache = {};
this.category_by_id = {};
this.root_category_id = 0;
@ -92,43 +89,28 @@ function openerp_pos_db(instance, module){
}
make_ancestors(this.root_category_id, []);
},
/* this internal method returns from disc a dictionary associating ids to the products */
_load_products: function(){
if(this.products_cache){
return this.products_cache;
/* loads a record store from the database. returns default if nothing is found */
load: function(store,deft){
if(this.cache[store] !== undefined){
return this.cache[store];
}
var products = localStorage[this.products];
if(products){
return JSON.parse(products) || {};
var data = localStorage[this.name + '_' + store];
if(data !== undefined){
data = JSON.parse(data);
this.cache[store] = data;
return data;
}else{
return {};
return deft;
}
},
/* this internal method saves a dictionary associating ids to product to the disc */
_save_products: function(products){
localStorage[this.products] = JSON.stringify(products);
this.products_cache = products;
},
/* this internal method returns from disc a dictionary associating ids to the categories */
_load_categories: function(){
if(this.categories_cache){
return this.categories_cache;
}
var categories = localStorage[this.categories];
if(categories){
return JSON.parse(categories) || {};
}else{
return {};
}
},
/* this internal method saves to disc an array associating ids to the categories */
_save_categories: function(categories){
localStorage[this.categories] = JSON.stringify(categories);
this.categories_cache = categories;
/* saves a record store to the database */
save: function(store,data){
localStorage[this.name + '_' + store] = JSON.stringify(data);
this.cache[store] = data;
},
add_products: function(products){
var stored_products = this._load_products();
var stored_categories = this._load_categories();
var stored_products = this.load('products',{});
var stored_categories = this.load('categories',{});
if(!products instanceof Array){
products = [products];
@ -150,13 +132,13 @@ function openerp_pos_db(instance, module){
}
stored_products[product.id] = product;
}
this._save_products(stored_products);
this._save_categories(stored_categories);
this.save('products',stored_products);
this.save('categories',stored_categories);
},
/* removes all the data from the database. TODO : being able to selectively remove data */
clear: function(){
localStorage.removeItem(this.products);
localStorage.removeItem(this.categories);
localStorage.removeItem(this.name + '_products');
localStorage.removeItem(this.name + '_categories');
},
/* this internal methods returns the count of properties in an object. */
_count_props : function(obj){
@ -169,10 +151,10 @@ function openerp_pos_db(instance, module){
return count;
},
get_product_by_id: function(id){
return this._load_products()[id];
return this.load('products',{})[id];
},
get_product_by_ean13: function(ean13){
var products = this._load_products();
var products = this.load('products',{});
for(var i in products){
if( products[i] && products[i].ean13 === ean13){
return products[i];
@ -181,8 +163,8 @@ function openerp_pos_db(instance, module){
return undefined;
},
get_product_by_category: function(category_id){
var stored_categories = this._load_categories();
var stored_products = this._load_products();
var stored_categories = this.load('categories',{});
var stored_products = this.load('products',{});
var product_ids = stored_categories[category_id];
var list = [];
for(var i = 0, len = Math.min(product_ids.length,this.limit); i < len; i++){
@ -198,8 +180,8 @@ function openerp_pos_db(instance, module){
*/
search_product_in_category: function(category_id, fields, query){
var self = this;
var stored_categories = this._load_categories();
var stored_products = this._load_products();
var stored_categories = this.load('categories',{});
var stored_products = this.load('products',{});
var product_ids = stored_categories[category_id];
var list = [];
var count = 0;
@ -226,14 +208,71 @@ function openerp_pos_db(instance, module){
}
return list;
},
// TODO move the order storage from the crappy DAO in pos_models.js
add_order: function(order){
var last_id = this.load('last_order_id',0);
var orders = this.load('orders',[]);
orders.push({id: last_id + 1, data: order});
this.save('last_order_id',last_id+1);
this.save('orders',orders);
},
remove_order: function(order_id){
var orders = this.load('orders',[]);
orders = _.filter(orders, function(order){
return order.id !== order_id;
});
this.save('orders',orders);
},
get_orders: function(){
return this.load('orders',[]);
},
});
/*
module.LocalStorageDAO = instance.web.Class.extend({
add_operation: function(operation) {
var self = this;
return $.async_when().pipe(function() {
var tmp = self._get('oe_pos_operations', []);
var last_id = self._get('oe_pos_operations_sequence', 1);
tmp.push({'id': last_id, 'data': operation});
self._set('oe_pos_operations', tmp);
self._set('oe_pos_operations_sequence', last_id + 1);
});
},
remove_operation: function(id) {
var self = this;
return $.async_when().pipe(function() {
var tmp = self._get('oe_pos_operations', []);
tmp = _.filter(tmp, function(el) {
return el.id !== id;
});
self._set('oe_pos_operations', tmp);
});
},
get_operations: function() {
var self = this;
return $.async_when().pipe(function() {
return self._get('oe_pos_operations', []);
});
},
_get: function(key, default_) {
var txt = localStorage['oe_pos_dao_'+key];
if (! txt)
return default_;
return JSON.parse(txt);
},
_set: function(key, value) {
localStorage['oe_pos_dao_'+key] = JSON.stringify(value);
},
reset_stored_data: function(){
for(key in localStorage){
if(key.indexOf('oe_pos_dao_') === 0){
delete localStorage[key];
}
}
0497 53 82 88
},
});
*/
window.PosLS = module.PosLS;
}