order.js

var OrderCtrl = function ($scope, $http, $storage, security, $location, tools) {
    $scope.products = [];
    $scope.variants = [];
    $scope.orderGrid = [];
    $scope.grades = [];
    $scope.totalStudents = 0;
    $scope.orderSubTotal = 0;
    $scope.orderTotal = 0;
    $scope.servicesSubTotal = 0;
    $scope.posterVariantsRequired = false;
    $scope.editMode = false;

    populateVariants();
    populatePricingTable();
    populateOrderGrid();

    function populatePricingTable() {
        $http.get('data/products.json')
            .success(function (response) {
                $scope.products = response;
            });
    }

    function populateVariants() {
        $http.get('data/variants.json')
            .success(function (response) {
                $scope.variants = response;
            });
    }

    function populateOrderGrid() {
        for (var i = 3; i <= 12; i++) {
            $scope.grades.push({name:'Grade ' + i, quantity:0, number:i});
        }
        $http.get('data/products.json')
            .success(function (response) {
                var products = response;
                var grid = [];
                products.forEach(function (item) {
                    var gridRow = item;
                    if (item.type == 1)
                        gridRow.gradeQuantities = angular.copy($scope.grades);
                    gridRow.total = 0;
                    gridRow.quantity = 0;
                    grid.push(gridRow);
                });
                $scope.orderGrid = grid;

                // enter edit mode if any
                edit();
            });
    }

    $scope.calculateServicesSubTotal = function (item) {
        if (item) {
            var quantity = (isNaN(parseInt(item.quantity))) ? 0 : parseInt(item.quantity);
            if (item.id == 8) {
                item.price = tools.getPriceForQuantity($scope.variants, item, quantity).price;
            }
            item.total = item.price * quantity;
        }
        var tempServicesSubTotal = 0;
        $scope.orderGrid.forEach(function (item) {
            if (item.type == 2) {
                tempServicesSubTotal += item.total;
            }
        });
        $scope.servicesSubTotal = tempServicesSubTotal;
        $scope.orderTotal = $scope.orderSubTotal + tempServicesSubTotal;
    }

    $scope.calculatePosterSubTotal = function (item) {
        var price = tools.getPriceForQuantity($scope.variants, item, item.quantity).price;
        item.total = item.quantity * price;
        $scope.calculateServicesSubTotal();
    };

    $scope.calculateTotals = function () {
        var tempTotalStudents = 0;
        var tempOrderSubTotal = 0;
        var price = 0;
        $scope.orderGrid.forEach(function (row) {
            if (row.type == 1) {
                row.gradeQuantities.forEach(function (grade) {
                    var quantity = (isNaN(parseInt(grade.quantity))) ? 0 : parseInt(grade.quantity);
                    tempTotalStudents += quantity;
                    price = tools.getPriceForQuantity($scope.variants, row, quantity).price;
                    tempOrderSubTotal += price * quantity;
                });
            }
        });
        $scope.orderSubTotal = tempOrderSubTotal;
        $scope.totalStudents = tempTotalStudents;
        $scope.orderTotal = tempOrderSubTotal + $scope.servicesSubTotal;
    };

    function edit() {
        var editMode = $storage('editMode').getItem(0);
        if (editMode && editMode.value == true) {
            $scope.editMode = true;
        }
        var orderTable = $storage('order');
        var order = orderTable.getItem(0);
        if (order) {
            $scope.totalStudents = order.totalStudents;
            $scope.orderSubTotal = order.orderSubTotal;
            $scope.servicesSubTotal = order.servicesSubTotal;
            $scope.orderGrid = order.orderGradesQuantities;
            $scope.orderTotal = order.orderSubTotal + order.servicesSubTotal;
        }
    }

    $scope.cancelEdit = function () {
        tools.cancelEditMode();
        $location.path('/confirm');
    };

    $scope.checkout = function () {
        if ($scope.frmRubricPosters.$valid) {
            var order = {
                totalStudents:$scope.totalStudents,
                orderSubTotal:$scope.orderSubTotal,
                servicesSubTotal:$scope.servicesSubTotal,
                orderGradesQuantities:$scope.orderGrid
            }
            var orderTable = $storage('order');
            //remove previous orders
            orderTable.removeItem(0);
            orderTable.setItem(order);
            if ($scope.editMode) {
                tools.cancelEditMode();
                $location.path('/confirm');
            }
            else
                $location.path('/payment');
        }
    };
}