mirage/config: Implement "GET /summary" handler

Author: Turbo87

mirage/config.js

@@ -1,9 +1,29 @@
 import Response from 'ember-cli-mirage/response';
 
-import summaryFixture from '../mirage/fixtures/summary';
-
 export default function() {
-    this.get('/summary', () => summaryFixture);
+    this.get('/summary', function(schema) {
+        let crates = schema.crates.all();
+
+        let just_updated = crates.sort((a, b) => compareIsoDates(b.updated_at, a.updated_at)).slice(0, 10);
+        let most_downloaded = crates.sort((a, b) => b.downloads - a.downloads).slice(0, 10);
+        let new_crates = crates.sort((a, b) => compareIsoDates(b.created_at, a.created_at)).slice(0, 10);
+
+        let num_crates = crates.length;
+        let num_downloads = crates.models.reduce((sum, crate) => sum + crate.downloads, 0);
+
+        let popular_categories = schema.categories.all().sort((a, b) => b.crates_cnt - a.crates_cnt).slice(0, 10);
+        let popular_keywords = schema.keywords.all().sort((a, b) => b.crates_cnt - a.crates_cnt).slice(0, 10);
+
+        return {
+            just_updated: this.serialize(just_updated).crates,
+            most_downloaded: this.serialize(most_downloaded).crates,
+            new_crates: this.serialize(new_crates).crates,
+            num_crates,
+            num_downloads,
+            popular_categories: this.serialize(popular_categories).categories,
+            popular_keywords: this.serialize(popular_keywords).keywords,
+        };
+    });
 
     this.namespace = '/api/v1';
 
@@ -201,3 +221,9 @@ function withMeta(response, meta) {
 function compareStrings(a, b) {
     return (a < b) ? -1 : (a > b) ? 1 : 0;
 }
+
+function compareIsoDates(a, b) {
+    let aDate = new Date(a);
+    let bDate = new Date(b);
+    return (aDate < bDate) ? -1 : (aDate > bDate) ? 1 : 0;
+}