Make donation amounts a customisable setting

assets/javascripts/discourse/components/stripe-card.js.es6

@@ -3,14 +3,6 @@ import { getRegister } from 'discourse-common/lib/get-owner';
 import { default as computed } from 'ember-addons/ember-computed-decorators';
 
 export default Ember.Component.extend({
-  donateAmounts: [
-    { value: 1, name: '1.00'},
-    { value: 2, name: '2.00'},
-    { value: 5, name: '5.00'},
-    { value: 10, name: '10.00'},
-    { value: 20, name: '20.00'},
-    { value: 50, name: '50.00'}
-  ],
   result: [],
   amount: 1,
   stripe: null,
@@ -26,6 +18,21 @@ export default Ember.Component.extend({
     this.set('stripe', Stripe(this.get('settings').discourse_donations_public_key));
   },
 
+  @computed
+  donateAmounts() {
+    const setting = Discourse.SiteSettings.discourse_donations_amounts.split('|');
+    if (setting.length) {
+      return setting.map((amount) => {
+        return {
+          value: parseInt(amount, 10),
+          name: `${amount}.00`
+        };
+      });
+    } else {
+      return [];
+    }
+  },
+
   @computed('stripe')
   card(stripe) {
     let elements = stripe.elements();

config/locales/client.en.yml

@@ -15,6 +15,10 @@ en:
     discourse_donations_enable_transaction_fee: "Give the user the option of including the Stripe transaction fee in their donation."
     discourse_donations_transaction_fee_fixed: "Fixed part of Stripe transaction fee (changes per region). See <a href='https://stripe.com/pricing'>Stripe's pricing for your region</a> and <a href='https://support.stripe.com/questions/can-i-charge-my-stripe-fees-to-my-customers'>Stripe's explaination of passing fees onto customers</a>."
     discourse_donations_transaction_fee_percent: "Percent part of Stripe transaction fee (changes per region). See <a href='https://stripe.com/pricing'>Stripe's pricing for your region</a> and <a href='https://support.stripe.com/questions/can-i-charge-my-stripe-fees-to-my-customers'>Stripe's explaination of passing fees onto customers</a>."
+    discourse_donations_amounts: "Donation amounts available to user"
+    discourse_donations_custom_amount: "Allow custom donation amount"
+    errors:
+      discourse_donations_amount_must_be_number: "Amounts must be numbers"
 
   js:
     discourse_donations:

config/settings.yml

@@ -44,3 +44,9 @@ plugins:
   discourse_donations_transaction_fee_percent:
     client: true
     default: 0.029
+  discourse_donations_amounts:
+    client: true
+    type: list
+    default: '1|2|5|10|20|50'
+    regex: "^[0-9\\|]+$"
+    regex_error: "site_settings.errors.discourse_donations_amount_must_be_number"