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pos_product_category_filter/__init__.py

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+import models

pos_product_category_filter/__openerp__.py

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+{
+    'name': 'POS Product Category Filter',
+    'version': '1.0',
+    'category': 'Point of Sale',
+    'author': 'Cybrosys Techno Solutions',
+    'company': 'Cybrosys Techno Solutions',
+    'website': 'http://www.cybrosys.com',
+    'sequence': 6,
+    'summary': 'Show only specified categories of product in point of sale ',
+    'description': """
+
+=======================
+
+Customization of produc availablity in PoS.
+
+""",
+    'depends': ['point_of_sale'],
+    'data': ['views/category.xml',
+             'views/template.xml'],
+    'installable': True,
+    'auto_install': False,
+}

pos_product_category_filter/models/__init__.py

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+import category

pos_product_category_filter/models/category.py

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+# -*- coding: utf-8 -*-
+
+from openerp import models, fields, api
+
+class PosProductCateg(models.Model):
+
+    _inherit = 'pos.config'
+
+    available_categ = fields.Many2many('pos.category', string='Available Product Categories')
+

pos_product_category_filter/static/src/js/category.js

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+odoo.define('pos_product_category_filter.pos_product_category_filter', function (require) {
+    "use strict";
+    var models = require('point_of_sale.models');
+    var screens = require('point_of_sale.screens');
+    var PosBaseWidget = require('point_of_sale.BaseWidget');
+    var PosDB = require('point_of_sale.DB');
+    var core = require('web.core');
+    var gui = require('point_of_sale.gui');
+    var Widget = require('web.Widget');
+    var QWeb = core.qweb;
+
+
+
+
+    var model1 = {
+           model:  'pos.category',
+            fields: ['id','name','parent_id','child_id','image'],
+            domain: null,
+            loaded: function(self, categories){
+                for(var i = 0, len =  categories.length; i < len; i++){
+                    categories[i].available = false;
+                    for(var j = 0, jlen =  self.config.available_categ.length; j < jlen; j++){
+                        if(categories[i].id == self.config.available_categ[j]){
+                           categories[i].available = true;
+                        }
+                    }
+                }
+                self.db.add_categories(categories);
+            },
+    }
+
+    for(var i=0; i< models.PosModel.prototype.models.length; i++){
+        var model = models.PosModel.prototype.models[i];
+        if(model.model === 'pos.category'){
+            models.PosModel.prototype.models[i] = model1;
+        }
+    }
+
+    PosDB.include({
+        add_categories: function(categories){
+            var self = this;
+            if(!this.category_by_id[this.root_category_id]){
+                this.category_by_id[this.root_category_id] = {
+                    id : this.root_category_id,
+                    name : 'Root',
+                };
+            }
+            for(var i=0, len = categories.length; i < len; i++){
+                if(categories[i].available === true){
+                    categories[i].parent_id[0] = 0;
+                }
+            }
+            for(var i=0, len = categories.length; i < len; i++){
+                this.category_by_id[categories[i].id] = categories[i];
+            }
+            for(var i=0, len = categories.length; i < len; i++){
+
+                var cat = categories[i];
+                var parent_id = cat.parent_id[0] || this.root_category_id;
+                this.category_parent[cat.id] = cat.parent_id[0];
+                if(!this.category_childs[parent_id]){
+                    this.category_childs[parent_id] = [];
+                }
+                this.category_childs[parent_id].push(cat.id);
+            }
+            function make_ancestors(cat_id, ancestors){
+                self.category_ancestors[cat_id] = ancestors;
+                ancestors = ancestors.slice(0);
+                ancestors.push(cat_id);
+                var childs = self.category_childs[cat_id] || [];
+                for(var i=0, len = childs.length; i < len; i++){
+                    make_ancestors(childs[i], ancestors);
+                }
+            }
+            make_ancestors(this.root_category_id, []);
+
+        },
+
+        add_products: function(products){
+            console.log(this.category_by_id);
+            var stored_categories = this.product_by_category_id;
+//            for(var i = 0, len = stored_categories.length; i < len; i++){
+//                if(stored_categories[i].available == true){
+//                    console.log(stored_categories[i].name)
+//                }
+//            }
+            for(var i = 0, len = products.length; i < len; i++){
+                var ancestor_ids = this.get_category_ancestors_ids(products[i].pos_categ_id[0]);
+                products[i].pos_categ_ancestors = ancestor_ids;
+            }
+            for(var i = 0, len = products.length; i < len; i++){
+                products[i].available = false;
+                var category = this.get_category_by_id(products[i].pos_categ_id[0]);
+                if(category && category.available == true){
+                    products[i].available = true;
+                }else{
+                    if(products[i].pos_categ_ancestors){
+                        for(var j = 0, jlen = products[i].pos_categ_ancestors.length; j < jlen; j++){
+                            var temp_categ = this.get_category_by_id(products[i].pos_categ_ancestors[j])
+                            if(temp_categ != 0 && temp_categ.available == true){
+                                products[i].available = true;
+                            }
+                        }
+                    }
+                }
+            }
+            if(!products instanceof Array){
+                products = [products];
+
+            }
+            for(var i = 0, len = products.length; i < len; i++){
+                var product = products[i];
+                var search_string = this._product_search_string(product);
+                var categ_id = product.pos_categ_id ? product.pos_categ_id[0] : this.root_category_id;
+                product.product_tmpl_id = product.product_tmpl_id[0];
+                if(!stored_categories[categ_id]){
+                    stored_categories[categ_id] = [];
+                }
+                stored_categories[categ_id].push(product.id);
+                if(this.category_search_string[categ_id] === undefined){
+                    this.category_search_string[categ_id] = '';
+                }
+                this.category_search_string[categ_id] += search_string;
+                var ancestors = this.get_category_ancestors_ids(categ_id) || [];
+                for(var j = 0, jlen = ancestors.length; j < jlen; j++){
+                    var ancestor = ancestors[j];
+                    if(! stored_categories[ancestor]){
+                        stored_categories[ancestor] = [];
+                    }
+                    stored_categories[ancestor].push(product.id);
+
+                    if( this.category_search_string[ancestor] === undefined){
+                        this.category_search_string[ancestor] = '';
+                    }
+                    this.category_search_string[ancestor] += search_string;
+                }
+                this.product_by_id[product.id] = product;
+                if(product.barcode){
+                    this.product_by_barcode[product.barcode] = product;
+                }
+            }
+        },
+    });
+
+    screens.ProductCategoriesWidget.include({
+        renderElement: function(){
+            var db = this.pos.db;
+            var self = this;
+            var el_str  = QWeb.render(this.template, {widget: this});
+            var el_node = document.createElement('div');
+
+            el_node.innerHTML = el_str;
+            el_node = el_node.childNodes[1];
+
+            if(this.el && this.el.parentNode){
+                this.el.parentNode.replaceChild(el_node,this.el);
+            }
+
+            this.el = el_node;
+
+            var withpics = this.pos.config.iface_display_categ_images;
+
+            var list_container = el_node.querySelector('.category-list');
+            if (list_container) {
+                if (!withpics) {
+                    list_container.classList.add('simple');
+                } else {
+                    list_container.classList.remove('simple');
+                }
+                for(var i = 0, len = this.subcategories.length; i < len; i++){
+                    if(this.subcategories[i].available == true){
+                        list_container.appendChild(this.render_category(this.subcategories[i],withpics));
+                    }else{
+                        var ancestor_ids = db.get_category_ancestors_ids(this.subcategories[i].id)
+                        for(var j = 0, jlen = ancestor_ids.length; j < jlen; j++){
+                            if(ancestor_ids[j] != 0){
+                                var ancestor = db.get_category_by_id(ancestor_ids[j])
+                                if(ancestor.available == true){
+                                    list_container.appendChild(this.render_category(this.subcategories[i],withpics));
+                                }
+                            }
+                        }
+                    }
+
+                }
+//                for(var i = 0, len = this.subcategories.length; i < len; i++){
+//                    list_container.appendChild(this.render_category(this.subcategories[i],withpics));
+//                }
+            }
+
+            var buttons = el_node.querySelectorAll('.js-category-switch');
+            for(var i = 0; i < buttons.length; i++){
+                buttons[i].addEventListener('click',this.switch_category_handler);
+            }
+
+            var products = this.pos.db.get_product_by_category(this.category.id);
+            this.product_list_widget.set_product_list(products); // FIXME: this should be moved elsewhere ...
+
+            this.el.querySelector('.searchbox input').addEventListener('keypress',this.search_handler);
+
+            this.el.querySelector('.searchbox input').addEventListener('keydown',this.search_handler);
+
+            this.el.querySelector('.search-clear').addEventListener('click',this.clear_search_handler);
+
+            if(this.pos.config.iface_vkeyboard && this.chrome.widget.keyboard){
+                this.chrome.widget.keyboard.connect($(this.el.querySelector('.searchbox input')));
+            }
+        },
+
+    });
+});

pos_product_category_filter/views/category.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+
+        <record id="pos_config_main_form_view2" model="ir.ui.view">
+            <field name="name">pos.config.form.view.inherit</field>
+            <field name="model">pos.config</field>
+            <field name="inherit_id" ref="point_of_sale.view_pos_config_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//form/sheet/group[@name='features']/group/field[@name='cash_control']" position="after">
+                    <field name="available_categ" widget="many2many_tags"></field>
+                </xpath>
+
+            </field>
+        </record>
+
+    </data>
+</openerp>

pos_product_category_filter/views/template.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+
+        <template id="assets" inherit_id="point_of_sale.assets">
+          <xpath expr="." position="inside">
+
+              <script type="text/javascript" src="/pos_product_category_filter/static/src/js/category.js"></script>
+          </xpath>
+        </template>
+
+    </data>
+</openerp>