- browsing by subcategory

front-api/controllers/item.rb

@@ -66,11 +66,18 @@ end
 
 # gets items in sub category ( useful for page showing single sub_category )
 get '/item/sub_category/:sub_category_id/offset/:offset/limit/:limit' do |sub_category_id_s, offset_s, limit_s|
+
   sub_category_id, offset, limit = mass_to_i(sub_category_id_s, offset_s, limit_s)
   input_invalid = offset_and_limit_invalid?(offset,limit) or sub_category_id <= 0
   return [].to_json if input_invalid 
 
+  all_in_sub_cat = filter_by_traits(Item.all_in_sub_category(sub_category_id))
+
   items = Item.best_selling_in_sub_category(sub_category_id, offset, limit)
+  items = filter_by_traits(items)
+  
+  add_total_count_header(all_in_sub_cat.count)
+
   prepare_items_for_mass_display(items)
 end
 

front-api/controllers/sub_category.rb

@@ -0,0 +1,18 @@
+
+get '/subcategory' do 
+   SubCategory
+   .eager_load(category: :section)
+   .order(:order)
+   .all
+   .to_json(:include => [filter_criterias: {include: :filter_criteria_values}, category: {include: :section} ])
+end
+
+get '/subcategory/:id' do 
+  id = params[:id].to_i
+
+   SubCategory
+   .eager_load(category: :section)
+   .order(:order)
+   .find(id)
+   .to_json(:include => [filter_criterias: {include: :filter_criteria_values}, category: {include: :section} ])
+end

front-api/models/item.rb

@@ -20,4 +20,5 @@ class Item < ActiveRecord::Base
 
   scope :all_in_category, -> (category_id) { where(on_display: true).joins( sub_category: [:category]).where(["category_id = ?", category_id]) }
 
+  scope :all_in_sub_category, -> (sub_category_id) { where(on_display: true).where(["sub_category_id = ?", sub_category_id]) }
 end

front-ui/app/actions/bySubCategoryActions.js

@@ -0,0 +1,30 @@
+var AppDispatcher = require('../dispatcher/appDispatcher');
+var BySubCategoryConstants = require('../constants/bySubCategoryConstants');
+
+// Define action methods
+var BySubCategoryActions = {
+    load: function(subCategoryId, offset, limit, filter) {
+        AppDispatcher.handleAction({
+            actionType: BySubCategoryConstants.LOAD,
+            subCategoryId : subCategoryId,
+            offset: offset,
+            limit: limit,
+            filter: filter
+        });
+    },
+    filterCriteriaClick: function(fc, fcv) {
+        AppDispatcher.handleAction({
+            actionType: BySubCategoryConstants.FILTER_CRITERIA_CLICK,
+            fc: fc,
+            fcv: fcv
+        });
+    },
+    removeAppliedFilter: function(name) {
+        AppDispatcher.handleAction({
+            actionType: BySubCategoryConstants.REMOVE_APPLIED_FILTER,
+            name: name
+        });
+    },
+};
+
+module.exports = BySubCategoryActions;

front-ui/app/actions/navigationActions.js

@@ -3,7 +3,6 @@ var NavigationConstants = require('../constants/navigationConstants');
 
 // Define action methods
 var NavigationActions = {
-
   // select item
   goToItemDetails: function(item) {
     console.log("Going to item details");
@@ -20,10 +19,7 @@ var NavigationActions = {
       url: '/sekcija/'+ section.get('id') + '/' + section.get('name')
     });
   },
-
-  goToCategory: function(category,section, query, offset, limit) {
-    var url ='/sekcija/' + section.get('name') +'/kategorija/'+ category.get('id') + '/' + category.get('name');
-
+  _getQueryStringPart: function(query, offset, limit) {
     var q = '';
     var qp = [];
 
@@ -46,17 +42,25 @@ var NavigationActions = {
     if (qp.length > 0) {
       q = '?' + qp.join('&');
     }
+
+    return q;
+  },
+
+  goToCategory: function(category,section, query, offset, limit) {
+    var url ='/sekcija/' + section.get('name') +'/kategorija/'+ category.get('id') + '/' + category.get('name');
+    var q = this._getQueryStringPart(query, offset, limit);
     AppDispatcher.handleAction({
       actionType: NavigationConstants.CHANGE_URL,
       url: (url + q)
     });
   },
 
-  goToSubCategory: function(subCategory) {
-   // TODO: implement when ready
+  goToSubCategory: function(subCategory, offset, limit, query) {
+      var q = this._getQueryStringPart(query, offset, limit);
+      var url = '/podkategorija/' + subCategory.get('id') + '/' + subCategory.get('name');
     AppDispatcher.handleAction({
       actionType: NavigationConstants.CHANGE_URL,
-      url: '/'
+      url: (url  + q)
     });
   },
 

front-ui/app/components/browsing/byCategory.js

@@ -1,6 +1,7 @@
 var React = require('react'),
     Router = require('react-router'),
     Category = require('../../models/category'),
+    SubCategory = require('../../models/subCategory'),
     Section = require('../../models/section'),
     ItemCollection = require('../../models/itemCollection'),
     ItemActions = require('../../actions/itemActions.js'),
@@ -10,7 +11,7 @@ var React = require('react'),
     NavigationStore = require('../../stores/navigationStore'),
     ItemList = require('../items/itemList'),
     NavigationActions = require('../../actions/navigationActions'),
-     LinkBanner = require('../linkBanner/linkBanner'),
+    LinkBanner = require('../linkBanner/linkBanner'),
     Globals = require('../../globals');
 
 var FilterCriteriaSelector = require('./filterCriteriaSelector');
@@ -45,6 +46,11 @@ var ByCategory = React.createClass({
       NavigationActions.goToCategory(category, section, this.filter, 0, this.state.pagination.limit);
 
     },
+    onSCClick: function(sc) {
+        var subCategory = new SubCategory(sc);
+        NavigationActions.goToSubCategory(subCategory, 0, Globals.defaultLimit);
+        event.preventDefault();
+    },
     changePage: function(page) {
       var section = new Section(this.state.category.get('section'));
       var category = this.state.category;
@@ -60,7 +66,7 @@ var ByCategory = React.createClass({
           <div>Podkategorije</div>
           <ul>
           {(this.state.category.get('sub_categories') || []).map(function(sc) {
-                                                                                return (<li> <a>{sc.name}</a></li>)
+                                                                                return (<li> <a onClick={self.onSCClick.bind(self, sc)}>{sc.name}</a></li>)
                                                                               })}
           </ul>
 

front-ui/app/components/browsing/bySubCategory.js

@@ -0,0 +1,80 @@
+var React = require('react'),
+    Router = require('react-router');
+
+var BySubCategoryActions = require('../../actions/bySubCategoryActions');
+var BySubCategoryStore = require('../../stores/bySubCategoryStore');
+var ItemStore = require('../../stores/itemStore');
+var CategoryStore = require('../../stores/categoryStore');
+
+var Globals = require('../../globals');
+var FilterCriteriaSelector = require('./filterCriteriaSelector');
+var AppliedFiltersList = require('./appliedFiltersList');
+
+var NavigationActions = require('../../actions/navigationActions');
+var ItemList = require('../items/itemList');
+var BySubCategory = React.createClass({
+    mixins: [Router.State],
+    getInitialState : function() {
+        return BySubCategoryStore.getState();
+    },
+    onFCClick: function(fc, fcv) {
+        BySubCategoryActions.filterCriteriaClick(fc, fcv);
+    },
+    removeAppliedFilter: function(name) {
+        BySubCategoryActions.removeAppliedFilter(name);
+    },
+    render : function() {
+
+        return (<div> 
+            <div className='col-md-2'>
+            
+          <FilterCriteriaSelector filterCriterias={this.state.subCategory.get('filter_criterias')} onFCClick={this.onFCClick} />
+            </div>
+            <div classname='col-md-10'>
+            
+            Podkategorija {this.state.subCategory.get('name')}
+            
+        Number of items in this subcategory: {this.state.items.length}
+    <div>
+          <AppliedFiltersList filters={this.appliedSubCategoryFiltersArray()} onRemove={this.removeAppliedFilter} />
+       
+      </div>
+        <ItemList items={this.state.items} paginationEnabled={true} total={this.state.items.totalCount} limit={this.state.pagination.limit} onPageChange={this.changePage} currentOffset={this.state.pagination.offset} />
+            </div>
+            </div>)
+    },
+    appliedSubCategoryFiltersArray: function() {
+      var filters = [];
+      for(var key in this.state.filter) {
+        if(this.state.filter.hasOwnProperty(key) && key !== 'limit' && key !== 'offset') {
+          filters.push({name: key, value: this.state.filter[key]});
+        }
+      }
+      return filters;
+    },
+    update: function() {
+      var subCategoryId = this.getParams().id;
+      var filter = this.getQuery();
+      var offset = filter.offset || 0;
+      var limit = filter.limit || Globals.DefaultPageSize;
+
+      BySubCategoryActions.load(subCategoryId, offset, limit, filter);
+    },
+    componentWillReceiveProps: function() {
+      this.update();
+    },
+    componentDidMount: function() {
+      BySubCategoryStore.addChangeListener(this._onChange);
+      this.update();
+    },
+    componentWillUnmount: function() {
+      BySubCategoryStore.removeChangeListener(this._onChange);
+    },
+    _onChange: function() {
+      if(this.isMounted()) {
+          this.setState(BySubCategoryStore.getState());
+      }
+    }
+});
+
+module.exports = BySubCategory;

front-ui/app/constants/bySubCategoryConstants.js

@@ -0,0 +1,8 @@
+var keyMirror = require('react/lib/keyMirror');
+
+// Define action constants
+module.exports = keyMirror({
+    LOAD: null,
+    FILTER_CRITERIA_CLICK: null,
+    REMOVE_APPLIED_FILTER: null
+});

front-ui/app/models/subCategory.js

@@ -0,0 +1,13 @@
+var Backbone = require('backbone');
+var Globals = require('../globals');
+
+var SubCategory = Backbone.Model.extend({
+    urlRoot : Globals.ApiUrl + '/subcategory',
+    defaults : {
+        name: '',
+        filter_criterias: []
+    }
+});
+
+
+module.exports = SubCategory;

front-ui/app/router.js

@@ -14,6 +14,7 @@ var CheckoutPage = require('./components/cart/checkoutPage');
 var RootApp = require('./components/rootApp');
 var StartPage = require('./components/startPage/startPage');
 var ByCategory = require('./components/browsing/byCategory');
+var BySubCategory = require('./components/browsing/bySubCategory');
 var BySection = require('./components/browsing/bySection');
 var ThankYouPage = require('./components/thankyou/thankYouPage');
 
@@ -31,6 +32,7 @@ var routes = (
       <Route name='dostava' path="/dostava" handler={CheckoutPage} />
       <Route name='registracija' path="/registracija" handler={Register} />
       <Route name='login' path="/login" handler={Login} />
+      <Route name='podkategorija' path="/podkategorija/:id/*" handler={BySubCategory} />
       <Route name='byCat' path="sekcija/:sekcijaName/kategorija/:id/*" handler={ByCategory} />
       <Route name='hvala' path="/hvala" handler={ThankYouPage} />  
       <Route name='pretraga' path="/pretraga" handler={SearchResultsPage} />

front-ui/app/stores/bySubCategoryStore.js

@@ -0,0 +1,170 @@
+var AppDispatcher = require('../dispatcher/appDispatcher');
+var EventEmitter = require('events').EventEmitter;
+//var SubCategoryCollection = require('../models/subCategoryCollection');
+var SubCategory = require('../models/subCategory');
+
+var NavigationActions = require('../actions/navigationActions');
+var BySubCategoryConstants = require('../constants/bySubCategoryConstants');
+var ItemCollection = require('../models/itemCollection');
+var _ = require('underscore');
+
+var _state = {
+    subCategory : (new SubCategory()),
+    items: (new ItemCollection()),
+    filter: {},
+    pagination: {}
+};
+//var _categoryDetails = new Category();
+
+//var loadSections = function() { 
+  //var sections = new SectionCollection();
+  //sections.fetch({success: function() {
+    //sectionState.sections = sections.models;
+    //// change will be called automatically when
+    //// action is run but we need to emit it again
+    //// when the data arive 
+    //// it's a bit "unfluxy" but convenient.
+    //// "true philosophy" would be to run another "data arrived" action
+    //SectionStore.emitChange(); 
+  //}});
+//};
+var fetchItemsBySubCategory = function(subCategoryId, offset, limit, query) {
+  //var items = _itemsByCategory;
+  query = query || {};
+  var items = new ItemCollection();
+  items.clearFilter();
+  items.setClassificationType(3);
+  items.setClassificationId(subCategoryId);
+  items.setLimit(limit);
+  items.setOffset(offset);
+
+  for(var key in query) {
+    if (query.hasOwnProperty(key) && key != 'limit' && key !='offset') {
+      items.addFilter(key, query[key]);
+    }
+  }
+
+  items.fetch({
+    success: function(collection, response, options) {
+      var total = options.xhr.getResponseHeader('x-total-count');
+      items.setTotalCount(total);
+
+      _state.items = items;
+      BySubCategoryStore.emitChange();
+    }});
+
+};
+var load = function(subCategoryId, offset, limit, filter) {
+
+    var subCategory = new SubCategory({id : subCategoryId});
+    subCategory.fetch({
+        success: function() {
+            _state.subCategory = subCategory;
+            fetchItemsBySubCategory(subCategoryId, offset, limit, filter);
+
+        }
+    });
+    _state.filter = filter;
+    //BySubCategoryStore.emitChange();
+};
+
+var handleFilterCriteriaClick = function(fc, fcv) {
+    _state.filter[fc.field_name]  = fcv.filter_value;
+
+    setTimeout(function() {
+        NavigationActions.goToSubCategory(_state.subCategory, 0, _state.pagination.limit, _state.filter);
+    }, 0);
+};
+
+var handleRemoveAppliedFilter= function(name) {
+      delete _state.filter[name];
+
+    setTimeout(function() {
+        NavigationActions.goToSubCategory(_state.subCategory, 0, _state.pagination.limit, _state.filter);
+    }, 0);
+};
+//var loadCategoryDetails = function(categoryId) {
+  //var category = new Category({id : categoryId});
+  //category.fetch({
+    //success: function() {
+      //_categoryDetails = category;
+      //BySubCategoryStore.emitChange();
+    //}
+  //});
+//};
+
+//var setHovered  = function(id) {
+  //sectionState.hoveredSection = id;
+//}
+
+
+// Extend SectionStore with EventEmitter to add eventing capabilities
+var BySubCategoryStore = _.extend({}, EventEmitter.prototype, {
+
+    getState: function() {
+      return _state;
+    },
+    // Emit Change event
+    emitChange: function() {
+      console.log("Emmiting BySubCategory change!");
+      this.emit('change');
+    },
+
+    // Add change listener
+    addChangeListener: function(callback) {
+      this.on('change', callback);
+    },
+
+    // Remove change listener
+    removeChangeListener: function(callback) {
+      this.removeListener('change', callback);
+    }
+});
+
+
+// Register callback with AppDispatcher
+AppDispatcher.register(function(payload) {
+  var action = payload.action;
+  var text;
+
+  switch(action.actionType) {
+
+      case BySubCategoryConstants.LOAD:
+          load(action.subCategoryId, action.offset, action.limit, action.filter);
+          break;
+
+      case BySubCategoryConstants.FILTER_CRITERIA_CLICK:
+          handleFilterCriteriaClick(action.fc, action.fcv);
+          break;
+      case BySubCategoryConstants.REMOVE_APPLIED_FILTER:
+          handleRemoveAppliedFilter(action.name);
+          break;
+
+    // Respond to SELECT_ITEM action
+    //case SectionConstants.LOAD_SECTIONS:
+      //loadSections();      
+      //break;
+
+    //case SectionConstants.SET_SECTION_HOVER:
+      //setHovered(action.section.get('id'));
+      //break;
+
+    //case SectionConstants.UNSET_SECTION_HOVER:
+      //setHovered('');
+      //break;
+
+    //case CategoryConstants.LOAD_CATEGORY_DETAILS:
+      //loadCategoryDetails(action.categoryId);
+      //break;
+
+    default:
+      return true;
+  }
+
+  // If action was responded to, emit change event
+  BySubCategoryStore.emitChange();
+  return true;
+
+});
+
+module.exports = BySubCategoryStore;