feat: Order Amount calculation integration

app/components/public/ticket-list.js

@@ -1,5 +1,6 @@
 import Component from '@ember/component';
 import { computed } from '@ember/object';
+import { debounce } from '@ember/runloop';
 import FormMixin from 'open-event-frontend/mixins/form';
 import { inject as service } from '@ember/service';
 import { sumBy, merge } from 'lodash-es';
@@ -10,6 +11,8 @@ export default Component.extend(FormMixin, {
 
   promotionalCodeApplied: false,
 
+  orderAmount: null,
+
   isUnverified: computed('session.isAuthenticated', 'authManager.currentUser.isVerified', function() {
     return this.session.isAuthenticated
       && !this.authManager.currentUser.isVerified;
@@ -25,21 +28,31 @@ export default Component.extend(FormMixin, {
     }
   }),
 
-  showTaxIncludedMessage: computed('taxInfo.isTaxIncludedInPrice', function() {
-    if (this.taxInfo !== null) {
-      return (this.taxInfo.isTaxIncludedInPrice);
-    }
-    return false;
-  }),
-
   accessCodeTickets : A(),
   discountedTickets : A(),
 
   invalidPromotionalCode: false,
 
-  tickets: computed(function() {
-    return this.data.sortBy('position');
+  tickets: computed('orderAmount', function() {
+    const ticketMap = {};
+    if (this.orderAmount) {
+      this.orderAmount.tickets.forEach(ticket => {
+        ticketMap[ticket.id] = ticket;
+      });
+    }
+
+    return this.data.sortBy('position').map(ticket => {
+      const ticketExtra = ticketMap[ticket.id];
+
+      if (ticketExtra) {
+        ticket.set('subTotal', ticketExtra.sub_total);
+        ticket.set('discountInfo', ticketExtra.discount);
+      }
+
+      return ticket;
+    });
   }),
+
   hasTicketsInOrder: computed('tickets.@each.orderQuantity', function() {
     return sumBy(this.tickets.toArray(),
       ticket => (ticket.orderQuantity || 0)
@@ -68,6 +81,19 @@ export default Component.extend(FormMixin, {
       ticket => ((ticket.price || 0) - (ticket.discount || 0)) * (ticket.orderQuantity || 0)
     );
   }),
+
+  orderAmountInput: computed('tickets.@each.price', 'order.tickets.@each.orderQuantity', 'order.discountCode', function() {
+
+    return {
+      tickets: this.order.tickets.toArray().map(ticket => ({
+        id       : ticket.id,
+        quantity : ticket.orderQuantity,
+        price    : ticket.price
+      })),
+      'discount-code': this.order.get('discountCode.id')
+    };
+  }),
+
   actions: {
     async togglePromotionalCode(queryParam) {
       this.toggleProperty('enterPromotionalCode');
@@ -82,24 +108,16 @@ export default Component.extend(FormMixin, {
           this.set('code', null);
           this.order.set('accessCode', undefined);
           this.order.set('discountCode', undefined);
+          this.tickets.forEach(ticket => {
+            ticket.set('discount', null);
+          });
           this.accessCodeTickets.forEach(ticket => {
             ticket.set('isHidden', true);
             this.tickets.removeObject(ticket);
           });
-          this.discountedTickets.forEach(ticket => {
-            let taxRate = ticket.get('event.tax.rate');
-            let ticketPrice = ticket.get('price');
-            if (taxRate && !this.showTaxIncludedMessage) {
-              let ticketPriceWithTax = ticketPrice * (1 + taxRate / 100);
-              ticket.set('ticketPriceWithTax', ticketPriceWithTax);
-            } else if (taxRate && this.showTaxIncludedMessage) {
-              let includedTaxAmount = (taxRate * ticketPrice) / (100 + taxRate);
-              ticket.set('includedTaxAmount', includedTaxAmount);
-            }
-            ticket.set('discount', 0);
-          });
           this.accessCodeTickets.clear();
           this.discountedTickets.clear();
+          this.send('updateOrderAmount');
         }
 
       }
@@ -126,22 +144,11 @@ export default Component.extend(FormMixin, {
         const discountCode = await this.store.queryRecord('discount-code', { eventIdentifier: this.event.id, code: this.promotionalCode, include: 'event,tickets' });
         const discountCodeEvent = await discountCode.event;
         if (this.currentEventIdentifier === discountCodeEvent.identifier) {
-          const discountType = discountCode.type;
-          const discountValue = discountCode.value;
           this.order.set('discountCode', discountCode);
           const tickets = await discountCode.tickets;
           tickets.forEach(ticket => {
-            const ticketPrice = ticket.price;
-            const taxRate = ticket.get('event.tax.rate');
-            const discount = discountType === 'amount' ? Math.min(ticketPrice, discountValue) : ticketPrice * (discountValue / 100);
+            const discount = discountCode.type === 'amount' ? Math.min(ticket.price, discountCode.value) : ticket.price * (discountCode.value / 100);
             ticket.set('discount', discount);
-            if (taxRate && !this.showTaxIncludedMessage) {
-              const ticketPriceWithTax = (ticketPrice - ticket.discount) * (1 + taxRate / 100);
-              ticket.set('ticketPriceWithTax', ticketPriceWithTax);
-            } else if (taxRate && this.showTaxIncludedMessage) {
-              const includedTaxAmount = (taxRate * (ticketPrice - discount)) / (100 + taxRate);
-              ticket.set('includedTaxAmount', includedTaxAmount);
-            }
             this.discountedTickets.addObject(ticket);
             this.set('invalidPromotionalCode', false);
           });
@@ -163,29 +170,50 @@ export default Component.extend(FormMixin, {
         this.set('promotionalCodeApplied', true);
         this.set('promotionalCode', 'Promotional code applied successfully');
       }
-      this.order.set('amount', this.total);
-
+      this.send('updateOrderAmount');
     },
-    updateOrder(ticket, count) {
+
+    async updateOrder(ticket, count) {
       ticket.set('orderQuantity', count);
-      this.order.set('amount', this.total);
-      if (!this.total) {
-        this.order.set('amount', 0);
-      }
       if (count > 0) {
         this.order.tickets.addObject(ticket);
       } else {
+        ticket.set('subTotal', null);
+        ticket.set('discountInfo', null);
         if (this.order.tickets.includes(ticket)) {
           this.order.tickets.removeObject(ticket);
         }
       }
+
+      this.send('updateOrderAmount');
+    },
+
+    async updateOrderAmount() {
+      if (this.shouldDisableOrderButton) {
+        this.set('orderAmount', null);
+        return;
+      }
+
+      try {
+        this.set('orderAmount', await this.loader.post('/orders/calculate-amount', this.orderAmountInput));
+        this.order.amount = this.orderAmount.total;
+      } catch (e) {
+        console.error('Error while calculating order amount', e);
+        this.notify.error(e.response.errors[0].detail, {
+          id: 'order-amount-error'
+        });
+      }
     },
 
     handleKeyPress() {
       if (event.code === 'Enter') {
         this.send('applyPromotionalCode');
         this.set('code', this.promotionalCode);
       }
+    },
+
+    onChangeDonation() {
+      debounce(this, () => this.send('updateOrderAmount'), this.tickets, 250);
     }
   },
   didInsertElement() {

app/helpers/currency-symbol.js

@@ -4,7 +4,7 @@ import { paymentCurrencies } from 'open-event-frontend/utils/dictionary/payment'
 
 export function currencySymbol(params) {
   const currency = find(paymentCurrencies, ['code', params[0]]);
-  return currency ? currency.symbol : 'UNKNOWN';
+  return currency ? currency.symbol : params[0];
 }
 
 export default Helper.helper(currencySymbol);

app/styles/partials/utils.scss

@@ -35,3 +35,7 @@
 .mb-8 {
   margin-bottom: 2rem;
 }
+
+.m-0 {
+  margin: 0 !important;
+}

app/templates/components/public/ticket-list.hbs

@@ -4,8 +4,8 @@
     <thead class="full-width">
       <tr>
         <th>{{t 'Type'}}</th>
-        <th class="four wide">{{t 'Sales Ends'}}</th>
-        <th class="ui three wide single line">{{t 'Ticket Price'}}</th>
+        <th class="three wide"></th>
+        <th class="ui four wide single line">{{t 'Price'}}</th>
         <th class="one wide">{{t 'Quantity'}}</th>
         <th class="ui right aligned two wide">{{t 'Subtotal'}}</th>
       </tr>
@@ -27,62 +27,53 @@
               {{#if ticket.isDescriptionVisible}}
                 <small class="ui gray-text tiny">{{ticket.description}}</small>
               {{/if}}
+              <div>
+                <small class="ui gray-text small">Sale ends on {{moment-format ticket.salesEndsAt 'ddd, DD MMMM YY, h:mm A'}}</small>
+              </div>
             </td>
-            <td>{{moment-format ticket.salesEndsAt 'ddd, DD MMMM YY, h:mm A'}}</td>
-            {{#if ticket.discount}}
-              <td>
-                <div id="{{ticket.id}}_price" class="strike text">
-                  {{this.eventCurrency}} {{format-money ticket.price}}
-                </div>
-                <div id="{{ticket.id}}_discount">
-                  {{this.eventCurrency}} {{format-money (sub ticket.price ticket.discount)}}
-                  {{#if this.taxInfo}}
-                    {{#if this.showTaxIncludedMessage}}
-                      <small class="ui gray-text small">
-                        {{t 'includes'}} {{this.eventCurrency}} {{format-money ticket.includedTaxAmount}}
-                      </small>
-                    {{else}}
-                      <small class="ui gray-text small">
-                        + {{this.eventCurrency}}
-                        {{format-money (add (sub ticket.ticketPriceWithTax ticket.price) ticket.discount)}}
-                      </small>
-                    {{/if}}
-                    <div>
-                      <small class="ui gray-text tiny aligned right">({{this.taxInfo.name}})</small>
-                    </div>
-                  {{/if}}
-                </div>
-              </td>
-            {{else}}
-              <td id="{{ticket.id}}_price">
-                {{#if (eq ticket.type 'donation') }}
-                  <div class="field">
+            <td></td>
+            <td id="{{ticket.id}}_price">
+              {{#if (eq ticket.type 'donation') }}
+                <div class="field m-0">
+                  <div class="ui labeled input">
+                    <label for="i_{{ticket.id}}_price" class="ui label">{{currency-symbol this.eventCurrency}}</label>
                     <Input
+                      id="i_{{ticket.id}}_price"
                       @type="number"
                       @name={{ticket.id}} placeholder={{t "Enter Donation"}}
                       @min={{ticket.minPrice}}
                       @max={{ticket.maxPrice}}
-                      @value={{ticket.price}} /><br>
+                      @value={{ticket.price}}
+                      @keyUp={{action "onChangeDonation"}} />
+                  </div>
+                </div>
+              {{else}}
+                <div class="{{if ticket.discount 'strike text'}}">
+                  {{currency-symbol this.eventCurrency}} {{format-money ticket.price}}
+                </div>
+                {{#if ticket.discount}}
+                  <div>
+                    {{currency-symbol this.eventCurrency}} {{format-money (sub ticket.price ticket.discount)}}
                   </div>
-                {{else}}
-                  {{this.eventCurrency}} {{format-money ticket.price}}
                 {{/if}}
-                {{#if (and this.taxInfo (not-eq ticket.type 'free'))}}
-                  {{#if this.showTaxIncludedMessage}}
+              {{/if}}
+              {{#if (and this.taxInfo (not-eq ticket.type 'free'))}}
+                <p>
+                  {{#if this.taxInfo.isTaxIncludedInPrice}}
                     <small class="ui gray-text small">
-                      {{t 'includes'}} {{this.eventCurrency}} {{format-money ticket.includedTaxAmount}}
+                      {{t 'includes'}} {{currency-symbol this.eventCurrency}} {{format-money ticket.includedTaxAmount}}
                     </small>
                   {{else}}
                     <small class="ui gray-text small">
-                      + {{this.eventCurrency}} {{format-money (sub ticket.ticketPriceWithTax ticket.price)}}
+                      + {{currency-symbol this.eventCurrency}} {{format-money (sub ticket.ticketPriceWithTax ticket.price)}}
                     </small>
                   {{/if}}
-                  <div>
+                  <span>
                     <small class="ui gray-text tiny aligned right">({{this.taxInfo.name}})</small>
-                  </div>
-                {{/if}}
-              </td>
-            {{/if}}
+                  </span>
+                </p>
+              {{/if}}
+            </td>
             <td>
               <div class="field">
                 <UiDropdown
@@ -105,28 +96,35 @@
               </div>
             </td>
             <td id='{{ticket.id}}_subtotal' class="ui right aligned">
-              {{#if this.taxInfo}}
-                {{this.eventCurrency}}
-                {{format-money (mult (sub ticket.ticketPriceWithTax ticket.discount) ticket.orderQuantity)}}
-              {{else}}
-                {{this.eventCurrency}} {{format-money (mult (sub ticket.price ticket.discount) ticket.orderQuantity)}}
-              {{/if}}
+              {{currency-symbol this.eventCurrency}} {{format-money ticket.subTotal}}
             </td>
           </tr>
         {{/unless}}
       {{/each}}
     </tbody>
     <tfoot class="full-width">
       <tr>
-        <th></th>
-        <th></th>
-        <th></th>
-        <th></th>
-        <th colspan="4">
-          <div class="ui right aligned small primary icon">
-            {{t 'Total'}}: {{this.eventCurrency}} {{format-money this.total}}
-          </div>
-        </th>
+        <td></td>
+        <td></td>
+        <td colspan="3">
+            <table class="ui small" style="float: right;">
+              <tbody>
+                {{#if orderAmount.tax}}
+                  <tr><td>{{t 'Sub-Total'}}</td><td>{{currency-symbol this.eventCurrency}} {{format-money this.orderAmount.sub_total}}</td></tr>
+                  <tr>
+                    <td>
+                      <div>{{t 'Tax'}} ({{this.orderAmount.tax.percent}}% {{this.orderAmount.tax.name}})</div>
+                      {{#if orderAmount.tax.included}}
+                        <small class="ui gray-text small">Included in Total</small>
+                      {{/if}}
+                    </td>
+                    <td>{{currency-symbol this.eventCurrency}} {{this.orderAmount.tax.amount}}</td>
+                  </tr>
+                {{/if}}
+                <tr><td>{{t 'Total'}}</td><td>{{currency-symbol this.eventCurrency}} {{format-money this.orderAmount.total}}</td></tr>
+              </tbody>
+            </table>
+        </td>
       </tr>
     </tfoot>
   </table>

app/utils/dictionary/payment.ts

@@ -135,7 +135,7 @@ export const paymentCurrencies: PaymentCurrency[] = [
   {
     paypal : true,
     code   : 'USD',
-    symbol : 'US$',
+    symbol : '$',
     name   : 'United States dollar',
     stripe : true,
     alipay : true,

tests/integration/helpers/currency-symbol-test.js

@@ -11,7 +11,7 @@ module('Integration | Helper | currency-symbol', function(hooks) {
 
     await render(hbs`{{currency-symbol inputValue}}`);
 
-    assert.equal(this.element.textContent.trim(), 'US$');
+    assert.equal(this.element.textContent.trim(), '$');
   });
 });