Capture Trends data into extension storage

src/background/index.ts

@@ -3,7 +3,7 @@ import {
   addGCalButtons,
   listenForTableChange,
   scrapeCourseData,
-} from '~content';
+} from '~contents/galaxy';
 import { neededOrigins } from '~data/config';
 import { type SearchQuery } from '~types/SearchQuery';
 

src/contents/trends-listener.ts

@@ -0,0 +1,15 @@
+import type { PlasmoCSConfig } from 'plasmo';
+
+// Storage prototype is only available in the main world
+
+export const config: PlasmoCSConfig = {
+  matches: ['https://trends.utdnebula.com/*'],
+  world: 'MAIN',
+};
+
+const originalSetItem = Storage.prototype.setItem.bind(localStorage);
+
+Storage.prototype.setItem = (key, value) => {
+  originalSetItem(key, value);
+  window.dispatchEvent(new Event('planner-updated'));
+};

src/contents/trends.ts

@@ -0,0 +1,46 @@
+import { Storage } from '@plasmohq/storage';
+import type { PlasmoCSConfig } from 'plasmo';
+
+export interface ClassData {
+  query: {
+    prefix: string;
+    number: string;
+    profFirst?: string;
+    profLast?: string;
+    sectionNumbers?: string[];
+  };
+  semester: string;
+}
+
+// Trends localStorage format:
+// { query: { prefix, number, profFirst, profLast, sectionNumbers: string[] }, semester }
+
+export const config: PlasmoCSConfig = {
+  matches: ['https://trends.utdnebula.com/*'],
+};
+
+const storage = new Storage();
+
+export async function fetchFromTrends() {
+  const classes = window.localStorage.getItem('planner_v2');
+  const parsedClasses = JSON.parse(classes);
+  const filteredClasses = parsedClasses.filter((entry: ClassData) => {
+    // Only add current semester classes with a specific section
+    return (
+      entry.query.prefix &&
+      entry.query.number &&
+      entry.semester &&
+      entry.semester === '26F' &&
+      entry.query.sectionNumbers &&
+      entry.query.sectionNumbers.length > 0
+    );
+  });
+  storage.set('planner_v2_classData', filteredClasses);
+  console.log('Updated planner_v2_classData with new data:', filteredClasses);
+}
+
+// Listen for changes to localStorage
+window.addEventListener('planner-updated', fetchFromTrends);
+
+// When extensions load, fetch the data from Trends
+fetchFromTrends();