Added initial event timeline to dashboard (#1840)

refs https://github.com/TryGhost/Team/issues/469

* Updated stats service to fetch event timeline
* Updated dashboard controller to load events
* Added currency utils
* Added GhEventTimeline component
* Updated dashboard to render GhEventTimeline

ghost/admin/app/components/gh-event-timeline.hbs

@@ -0,0 +1,14 @@
+<div class="gh-event-timeline">
+    <ul class="gh-dashboard-activity-feed">
+        {{#each this.parsedEvents as |event|}}
+        <li>
+            <div class="activity">
+                <div>
+                    <span class="member">{{event.subject}}</span> {{event.action}} {{event.object}} <span class="highlight">{{event.info}}</span>
+                </div>
+            </div>
+            <span class="time">{{event.timestamp}}</span>
+        </li>
+        {{/each}}
+    </ul>
+</div>

ghost/admin/app/components/gh-event-timeline.js

@@ -0,0 +1,98 @@
+import Component from '@glimmer/component';
+import moment from 'moment';
+import {getNonDecimal, getSymbol} from 'ghost-admin/utils/currency';
+import {tracked} from '@glimmer/tracking';
+
+export default class EventTimeline extends Component {
+    @tracked
+    parsedEvents = null;
+
+    constructor(...args) {
+        super(...args);
+        this.parseEvents(this.args.events);
+    }
+
+    getIcon(event) {
+        return event.type;
+    }
+
+    getAction(event) {
+        if (event.type === 'login_event') {
+            return 'logged in';
+        }
+
+        if (event.type === 'payment_event') {
+            return 'made a payment';
+        }
+
+        if (event.type === 'newsletter_event') {
+            if (event.data.subscribed) {
+                return 'subscribed to';
+            } else {
+                return 'unsubscribed from';
+            }
+        }
+
+        if (event.type === 'subscription_event') {
+            if (event.data.from_plan === null) {
+                return 'started';
+            }
+
+            if (event.data.to_plan === null) {
+                return 'cancelled';
+            }
+
+            return 'changed';
+        }
+    }
+
+    getObject(event) {
+        if (event.type === 'login_event') {
+            return '';
+        }
+
+        if (event.type === 'payment_event') {
+            return '';
+        }
+
+        if (event.type === 'newsletter_event') {
+            return 'emails';
+        }
+
+        if (event.type === 'subscription_event') {
+            return 'their subscription';
+        }
+    }
+
+    getInfo(event) {
+        if (event.type === 'subscription_event') {
+            let mrrDelta = getNonDecimal(event.data.mrr_delta, event.data.currency);
+            if (mrrDelta === 0) {
+                return;
+            }
+            let sign = mrrDelta > 0 ? '+' : '-';
+            let symbol = getSymbol(event.data.currency);
+            return `(MRR ${sign}${symbol}${mrrDelta})`;
+        }
+        return;
+    }
+
+    parseEvents(events) {
+        this.parsedEvents = events.map((event) => {
+            let subject = event.data.member.name;
+            let icon = this.getIcon(event);
+            let action = this.getAction(event);
+            let object = this.getObject(event);
+            let info = this.getInfo(event);
+            let timestamp = moment(event.data.created_at).fromNow();
+            return {
+                icon,
+                subject,
+                action,
+                object,
+                info,
+                timestamp
+            };
+        });
+    }
+}

ghost/admin/app/controllers/dashboard.js

@@ -1,7 +1,32 @@
 import Controller from '@ember/controller';
 import {inject as service} from '@ember/service';
+import {tracked} from '@glimmer/tracking';
 
 export default class DashboardController extends Controller {
     @service feature;
     @service session;
+    @service membersStats;
+
+    @tracked
+    events = {
+        data: null,
+        error: null,
+        loading: false
+    };
+
+    constructor(...args) {
+        super(...args);
+        this.loadEvents();
+    }
+
+    loadEvents() {
+        this.events.loading = true;
+        this.membersStats.fetchTimeline().then(({events}) => {
+            this.events.data = events;
+            this.events.loading = false;
+        }, (error) => {
+            this.events.error = error;
+            this.events.loading = false;
+        });
+    }
 }

ghost/admin/app/services/members-stats.js

@@ -9,6 +9,7 @@ export default class MembersStatsService extends Service {
 
     @tracked days = '30';
     @tracked stats = null;
+    @tracked events = null;
 
     fetch() {
         let daysChanged = this._lastFetchedDays !== this.days;
@@ -27,6 +28,20 @@ export default class MembersStatsService extends Service {
         return this._fetchTask.perform();
     }
 
+    fetchTimeline() {
+        let staleData = this._lastFetchedTimeline && this._lastFetchedTimeline - new Date() > 1 * 60 * 1000;
+
+        if (this._fetchTimelineTask.isRunning) {
+            return this._fetchTask.last;
+        }
+
+        if (this.events && !this._forceRefresh && !staleData) {
+            return Promise.resolve(this.events);
+        }
+
+        return this._fetchTimelineTask.perform();
+    }
+
     invalidate() {
         this._forceRefresh = true;
     }
@@ -44,4 +59,13 @@ export default class MembersStatsService extends Service {
         this.stats = stats;
         return stats;
     }
+
+    @task
+    *_fetchTimelineTask() {
+        this._lastFetchedTimeline = new Date();
+        let eventsUrl = this.ghostPaths.url.api('members/events');
+        let events = yield this.ajax.request(eventsUrl);
+        this.events = events;
+        return events;
+    }
 }

ghost/admin/app/templates/dashboard.hbs

@@ -140,32 +140,18 @@
             <div class="gh-dashboard-box grey activity-feed">
                 <h4 class="gh-dashboard-header">Activity feed</h4>
                 <div class="content">
-                    <ul class="gh-dashboard-activity-feed">
-                        <li>
-                            <div class="activity">
-                                <div>
-                                    <span class="member">Kadin Levin</span> subscribed <span class="highlight">(MRR +$38)</span>
-                                </div>
-                            </div>
-                            <span class="time">29 mins ago</span>
-                        </li>
-                        <li>
-                            <div class="activity">
-                                <div>
-                                    <span class="member">Terry Stanton</span> subscribed <span class="highlight">(MRR +$38)</span>
-                                </div>
-                            </div>
-                            <span class="time">1 day ago</span>
-                        </li>
-                        <li>
-                            <div class="activity">
-                                <div>
-                                    <span class="member">Angel Rhiel Madsen</span> subscribed <span class="highlight">(MRR +$38)</span>
-                                </div>
-                            </div>
-                            <span class="time">3 days ago</span>
-                        </li>
-                    </ul>
+                    {{#if this.events.loading}}
+                        Loading...
+                    {{else}}
+                        {{#if this.events.error}}
+                            <p class="error">
+                                There was an error loading events
+                                <code>{{this.events.error.message}}</code>
+                            </p>
+                        {{else}}
+                            <GhEventTimeline @events={{this.events.data}}/>
+                        {{/if}}
+                    {{/if}}
                 </div>
             </div>
             <div class="gh-dashboard-box">

ghost/admin/app/utils/currency.js

@@ -0,0 +1,28 @@
+export function getSymbol(currency) {
+    switch (currency) {
+    case 'usd':
+    case 'aud':
+    case 'cad':
+        return '$';
+    case 'eur':
+        return '€';
+    case 'gbp':
+        return '£';
+    case 'inr':
+        return '₹';
+    }
+    return null;
+}
+
+export function getNonDecimal(amount, currency) {
+    switch (currency) {
+    case 'usd':
+    case 'aud':
+    case 'cad':
+    case 'eur':
+    case 'gbp':
+    case 'inr':
+        return amount / 100;
+    }
+    return null;
+}