itemctrl

'use strict';

var controllersModule = require('../_index');

/**
 * @ngInject
 */
function ItemCtrl($stateParams, api, PaginationService, $scope, $log, _, $state) {
  // ViewModel
  var vm = this;
  vm.pagination = PaginationService.get();
  if($stateParams.page) {
    vm.pagination.currentPage = parseInt($stateParams.page, 10);
  }
  if($stateParams.itemsPerPage) {
    vm.pagination.itemsPerPage = parseInt($stateParams.itemsPerPage, 10);
  }
  vm.orderBy = $stateParams.orderBy || 'id DESC';
  vm.items = null;
  vm.filtereditems = [];
  vm.userId = parseInt($stateParams.userId) || null;

  vm.filter = {
    text: $stateParams.text || '',
    do: function() {
      vm.pagination.currentPage = 1;
      vm.doFilter();
    },
    clear: function() {
      vm.filter.text = null;
      vm.doFilter();
    }
  };

  vm.doFilter = function() {
    vm.filteredItems = vm.items;
    var stateParams = {};

    //Filtering
    if(vm.filter.text && vm.filter.text !== '' && vm.filter.text.length >= 3) {
      vm.filteredItems = _.filter(vm.filteredItems, function(item) {
        function compare(string) {
          if(!string) {
            return false;
          }
          return (string || '').toLowerCase().indexOf(vm.filter.text.toLowerCase()) >= 0;
        }

        if(
          compare(item.name) ||
          compare(item.type)
        ) {
          return true;
        }

        return false;
      });
      stateParams.text = vm.filter.text;
    } else {
      stateParams.text = null;
    }

    if(vm.userId){
      stateParams.userId = vm.userId;
      vm.filteredItems = _.filter(vm.filteredItems, function (item){
        return item.ownerId === vm.userId;
      });
    }

    //Order
    if(vm.orderBy && vm.orderBy.indexOf('DESC') > -1) {
      vm.filteredItems = _.sortBy(vm.filteredItems, vm.orderBy.substring(0, vm.orderBy.indexOf(' DESC'))).reverse();
    } else if(vm.orderBy) {
      vm.filteredItems = _.sortBy(vm.filteredItems, vm.orderBy);
    }
    if(vm.orderBy) {
      stateParams.orderBy = vm.orderBy;
    } else {
      stateParams.orderBy = null;
    }

    //Pagination
    vm.pagination.totalItems = vm.filteredItems.length;
    if(vm.pagination.currentPage && vm.pagination.itemsPerPage) {
      vm.filteredItems = _.slice(vm.filteredItems, (vm.pagination.currentPage - 1) * vm.pagination.itemsPerPage, vm.pagination.currentPage * vm.pagination.itemsPerPage + 1);
      stateParams.page = vm.pagination.currentPage;
      stateParams.itemsPerPage = vm.pagination.itemsPerPage;
    }
    if(vm.userId){
      $state.go('index.itemsOfUser', stateParams, {notify: false});
    }
    else{
      $state.go('index.items', stateParams, {notify: false});
    }
  };

  vm.load = function() {
    api.getItems(function(items) {
      vm.items = items;
      vm.pagination.totalItems = items.length;
      vm.doFilter();
    }, function(errorResponse) {
      $log.error('Loading items failed.', errorResponse);
    });
  };

  vm.load();

  $scope.$watch(function(){
    return vm.orderBy;
  }, vm.doFilter);
  $scope.$watchCollection(function() {
    return vm.pagination;
  }, vm.doFilter);

}

controllersModule.controller('ItemCtrl', ItemCtrl);