add simple accessor methods

src/data.ts

@@ -1,9 +1,46 @@
 /**
  * Records users by id
  */
-let users: Record<string, Carpool.User> = {};
+export const users: Record<string, Carpool.User> = {};
 
 /**
  * Records groups by id
  */
-let groups: Record<string, Carpool.Group> = {};
+export const groups: Record<string, Carpool.Group> = {};
+
+/**
+ * Records posts by id
+ */
+export const posts: Record<string, Carpool.Post> = {};
+
+/**
+ *
+ * @param userID The userID to find
+ * @returns The group IDs with that userID as a member
+ */
+export function getGroupsWithUser(userID: string) {
+	let groupIDs = [];
+	for (let group of Object.values(groups)) {
+		if (group.member_ids.includes(userID)) {
+			groupIDs.push(group.id);
+		}
+	}
+
+	return groupIDs;
+}
+
+/**
+ *
+ * @param userID The userID to find
+ * @returns The post IDs with that userID as the author
+ */
+export function getPostsByUser(userID: string) {
+	let postIDs = [];
+	for (let post of Object.values(posts)) {
+		if (post.author_id == userID) {
+			postIDs.push(post.id);
+		}
+	}
+
+	return postIDs;
+}

src/index.ts

@@ -6,4 +6,4 @@ app.get('/', (req, res) => {
 	res.send('Hello!');
 });
 
-app.listen(8080, () => void console.log('Listening on port 80'));
+app.listen(8080, () => void console.log('Listening on port 8080'));

src/types.ts

@@ -16,7 +16,7 @@ namespace Carpool {
 		author_id: string;
 	}
 
-	export type Status = "pending" | "cancelled" | "completed" | "interrupted";
+	export type Status = 'pending' | 'cancelled' | 'completed' | 'interrupted';
 
 	export interface Post {
 		id: string;
@@ -30,5 +30,8 @@ namespace Carpool {
 		group_id: string;
 		status: Status;
 		capacity: number;
+		direction: 'pickup' | 'dropoff';
+		author_id: string;
+		type: 'request' | 'offer';
 	}
 }