Ghost/ghost/admin/app/services/settings.js

import Ember from 'ember';
import RSVP from 'rsvp';
import Service, {inject as service} from '@ember/service';
import ValidationEngine from 'ghost-admin/mixins/validation-engine';
import {get} from '@ember/object';

// ember-cli-shims doesn't export _ProxyMixin
const {_ProxyMixin} = Ember;

export default Service.extend(_ProxyMixin, ValidationEngine, {
    store: service(),

    // will be set to the single Settings model, it's a reference so any later
    // changes to the settings object in the store will be reflected
    content: null,

    validationType: 'setting',
    _loadingPromise: null,

    // this is an odd case where we only want to react to changes that we get
    // back from the API rather than local updates
    settledIcon: '',

    // the settings API endpoint is a little weird as it's singular and we have
    // to pass in all types - if we ever fetch settings without all types then
    // save we have problems with the missing settings being removed or reset
    _loadSettings() {
        if (!this._loadingPromise) {
            this._loadingPromise = this.store
                .queryRecord('setting', {type: 'blog,theme,private,members,bulk_email'})
                .then((settings) => {
                    this._loadingPromise = null;
                    return settings;
                });
        }

        return this._loadingPromise;
    },

    fetch() {
        if (!this.content) {
            return this.reload();
        } else {
            return RSVP.resolve(this);
        }
    },

    reload() {
        return this._loadSettings().then((settings) => {
            this.set('content', settings);
            this.set('settledIcon', get(settings, 'icon'));
            return this;
        });
    },

    save() {
        let settings = this.content;

        if (!settings) {
            return false;
        }

        return settings.save().then((settings) => {
            this.set('settledIcon', get(settings, 'icon'));
            return settings;
        });
    },

    rollbackAttributes() {
        return this.content.rollbackAttributes();
    },

    changedAttributes() {
        return this.content.changedAttributes();
    },

    parseSubscriptionSettings(settingsString) {
        try {
            return JSON.parse(settingsString);
        } catch (e) {
            return {
                allowSelfSignup: true,
                fromAddress: 'noreply',
                paymentProcessors: [{
                    adapter: 'stripe',
                    config: {
                        secret_token: '',
                        public_token: '',
                        product: {
                            name: this.settings.get('title')
                        },
                        plans: [
                            {
                                name: 'Monthly',
                                currency: 'usd',
                                interval: 'month',
                                amount: ''
                            },
                            {
                                name: 'Yearly',
                                currency: 'usd',
                                interval: 'year',
                                amount: ''
                            }
                        ]
                    }
                }]
            };
        }
    }
});