297 lines
12 KiB
JavaScript
297 lines
12 KiB
JavaScript
function openerp_pos_db(instance, module){
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/* The PosDB holds reference to data that is either
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* - static: does not change between pos reloads
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* - persistent : must stay between reloads ( orders )
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*/
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module.PosDB = instance.web.Class.extend({
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name: 'openerp_pos_db', //the prefix of the localstorage data
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limit: 100, // the maximum number of results returned by a search
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init: function(options){
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options = options || {};
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this.name = options.name || this.name;
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this.limit = options.limit || this.limit;
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//cache the data in memory to avoid roundtrips to the localstorage
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this.cache = {};
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this.product_by_id = {};
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this.product_by_ean13 = {};
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this.product_by_category_id = {};
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this.product_by_reference = {};
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this.category_by_id = {};
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this.root_category_id = 0;
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this.category_products = {};
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this.category_ancestors = {};
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this.category_childs = {};
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this.category_parent = {};
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this.category_search_string = {};
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this.packagings_by_id = {};
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this.packagings_by_product_tmpl_id = {};
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this.packagings_by_ean13 = {};
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},
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/* returns the category object from its id. If you pass a list of id as parameters, you get
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* a list of category objects.
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*/
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get_category_by_id: function(categ_id){
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if(categ_id instanceof Array){
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var list = [];
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for(var i = 0, len = categ_id.length; i < len; i++){
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var cat = this.category_by_id[categ_id[i]];
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if(cat){
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list.push(cat);
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}else{
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console.error("get_category_by_id: no category has id:",categ_id[i]);
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}
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}
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return list;
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}else{
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return this.category_by_id[categ_id];
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}
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},
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/* returns a list of the category's child categories ids, or an empty list
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* if a category has no childs */
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get_category_childs_ids: function(categ_id){
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return this.category_childs[categ_id] || [];
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},
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/* returns a list of all ancestors (parent, grand-parent, etc) categories ids
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* starting from the root category to the direct parent */
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get_category_ancestors_ids: function(categ_id){
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return this.category_ancestors[categ_id] || [];
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},
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/* returns the parent category's id of a category, or the root_category_id if no parent.
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* the root category is parent of itself. */
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get_category_parent_id: function(categ_id){
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return this.category_parent[categ_id] || this.root_category_id;
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},
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/* adds categories definitions to the database. categories is a list of categories objects as
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* returned by the openerp server. Categories must be inserted before the products or the
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* product/ categories association may (will) not work properly */
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add_categories: function(categories){
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var self = this;
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if(!this.category_by_id[this.root_category_id]){
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this.category_by_id[this.root_category_id] = {
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id : this.root_category_id,
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name : 'Root',
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};
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}
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for(var i=0, len = categories.length; i < len; i++){
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this.category_by_id[categories[i].id] = categories[i];
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}
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for(var i=0, len = categories.length; i < len; i++){
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var cat = categories[i];
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var parent_id = cat.parent_id[0] || this.root_category_id;
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this.category_parent[cat.id] = cat.parent_id[0];
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if(!this.category_childs[parent_id]){
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this.category_childs[parent_id] = [];
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}
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this.category_childs[parent_id].push(cat.id);
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}
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function make_ancestors(cat_id, ancestors){
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self.category_ancestors[cat_id] = ancestors;
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ancestors = ancestors.slice(0);
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ancestors.push(cat_id);
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var childs = self.category_childs[cat_id] || [];
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for(var i=0, len = childs.length; i < len; i++){
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make_ancestors(childs[i], ancestors);
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}
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}
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make_ancestors(this.root_category_id, []);
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},
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/* loads a record store from the database. returns default if nothing is found */
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load: function(store,deft){
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if(this.cache[store] !== undefined){
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return this.cache[store];
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}
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var data = localStorage[this.name + '_' + store];
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if(data !== undefined && data !== ""){
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data = JSON.parse(data);
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this.cache[store] = data;
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return data;
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}else{
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return deft;
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}
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},
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/* saves a record store to the database */
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save: function(store,data){
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var str_data = JSON.stringify(data);
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localStorage[this.name + '_' + store] = JSON.stringify(data);
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this.cache[store] = data;
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},
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_product_search_string: function(product){
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var str = '' + product.id + ':' + product.name;
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if(product.ean13){
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str += '|' + product.ean13;
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}
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if(product.default_code){
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str += '|' + product.default_code;
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}
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var packagings = this.packagings_by_product_tmpl_id[product.product_tmpl_id] || [];
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for(var i = 0; i < packagings.length; i++){
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str += '|' + packagings[i].ean;
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}
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return str + '\n';
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},
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add_products: function(products){
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var stored_categories = this.product_by_category_id;
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if(!products instanceof Array){
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products = [products];
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}
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for(var i = 0, len = products.length; i < len; i++){
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var product = products[i];
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var search_string = this._product_search_string(product);
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var categ_id = product.pos_categ_id ? product.pos_categ_id[0] : this.root_category_id;
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if (product.variants){
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product.name = product.name+" ("+product.variants+")";
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}
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product.product_tmpl_id = product.product_tmpl_id[0];
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if(!stored_categories[categ_id]){
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stored_categories[categ_id] = [];
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}
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stored_categories[categ_id].push(product.id);
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if(this.category_search_string[categ_id] === undefined){
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this.category_search_string[categ_id] = '';
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}
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this.category_search_string[categ_id] += search_string;
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var ancestors = this.get_category_ancestors_ids(categ_id) || [];
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for(var j = 0, jlen = ancestors.length; j < jlen; j++){
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var ancestor = ancestors[j];
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if(! stored_categories[ancestor]){
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stored_categories[ancestor] = [];
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}
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stored_categories[ancestor].push(product.id);
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if( this.category_search_string[ancestor] === undefined){
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this.category_search_string[ancestor] = '';
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}
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this.category_search_string[ancestor] += search_string;
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}
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this.product_by_id[product.id] = product;
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if(product.ean13){
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this.product_by_ean13[product.ean13] = product;
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}
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if(product.default_code){
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this.product_by_reference[product.default_code] = product;
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}
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}
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},
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add_packagings: function(packagings){
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for(var i = 0, len = packagings.length; i < len; i++){
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var pack = packagings[i];
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this.packagings_by_id[pack.id] = pack;
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if(!this.packagings_by_product_tmpl_id[pack.product_tmpl_id[0]]){
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this.packagings_by_product_tmpl_id[pack.product_tmpl_id[0]] = [];
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}
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this.packagings_by_product_tmpl_id[pack.product_tmpl_id[0]].push(pack);
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if(pack.ean){
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this.packagings_by_ean13[pack.ean] = pack;
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}
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}
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},
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/* removes all the data from the database. TODO : being able to selectively remove data */
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clear: function(stores){
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for(var i = 0, len = arguments.length; i < len; i++){
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localStorage.removeItem(this.name + '_' + arguments[i]);
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}
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},
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/* this internal methods returns the count of properties in an object. */
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_count_props : function(obj){
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var count = 0;
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for(var prop in obj){
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if(obj.hasOwnProperty(prop)){
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count++;
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}
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}
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return count;
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},
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get_product_by_id: function(id){
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return this.product_by_id[id];
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},
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get_product_by_ean13: function(ean13){
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if(this.product_by_ean13[ean13]){
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return this.product_by_ean13[ean13];
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}
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var pack = this.packagings_by_ean13[ean13];
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if(pack){
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return this.product_by_id[pack.product_id[0]];
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}
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return undefined;
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},
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get_product_by_reference: function(ref){
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return this.product_by_reference[ref];
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},
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get_product_by_category: function(category_id){
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var product_ids = this.product_by_category_id[category_id];
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var list = [];
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if (product_ids) {
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for (var i = 0, len = Math.min(product_ids.length, this.limit); i < len; i++) {
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list.push(this.product_by_id[product_ids[i]]);
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}
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}
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return list;
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},
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/* returns a list of products with :
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* - a category that is or is a child of category_id,
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* - a name, package or ean13 containing the query (case insensitive)
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*/
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search_product_in_category: function(category_id, query){
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var re = RegExp("([0-9]+):.*?"+query,"gi");
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var results = [];
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for(var i = 0; i < this.limit; i++){
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r = re.exec(this.category_search_string[category_id]);
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if(r){
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var id = Number(r[1]);
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results.push(this.get_product_by_id(id));
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}else{
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break;
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}
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}
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return results;
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},
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add_order: function(order){
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var order_id = order.uid;
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var orders = this.load('orders',[]);
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// if the order was already stored, we overwrite its data
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for(var i = 0, len = orders.length; i < len; i++){
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if(orders[i].id === order_id){
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orders[i].data = order;
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this.save('orders',orders);
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return order_id;
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}
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}
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orders.push({id: order_id, data: order});
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this.save('orders',orders);
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return order_id;
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},
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remove_order: function(order_id){
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var orders = this.load('orders',[]);
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orders = _.filter(orders, function(order){
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return order.id !== order_id;
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});
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this.save('orders',orders);
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},
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get_orders: function(){
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return this.load('orders',[]);
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},
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get_order: function(order_id){
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var orders = this.get_orders();
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for(var i = 0, len = orders.length; i < len; i++){
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if(orders[i].id === order_id){
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return orders[i];
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}
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}
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return undefined;
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},
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});
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}
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