1 files changed, 105 insertions, 0 deletions
diff --git a/backend/src/routes/events.ts b/backend/src/routes/events.ts
new file mode 100644
index 0000000..df65eb5
--- /dev/null
+++ b/backend/src/routes/events.ts
@@ -0,0 +1,105 @@
+import db from "../db.js";
+import { Router } from "express";
+import { getUser } from "./users.js";
+import { type Event, type Id, type Rsvps, type User } from "../types.js";
+
+const router = Router();
+
+const joinHost = (event: Event) => {
+  const host = getUser(event.host_id) as User;
+  return { ...event, host };
+};
+
+const joinRSVPs = (event: Event) => {
+  const { id } = event;
+  const getRSVPs = db.prepare("SELECT * FROM rsvps WHERE event_id = @id");
+  const rsvps = getRSVPs.all({ id }) as Rsvps[];
+  return { ...event, rsvps };
+};
+
+const getEvent = (eventId: Id) => {
+  const byId = db.prepare("SELECT * FROM events WHERE id = @eventId");
+  const event = byId.get({ eventId }) as Event;
+  return joinHost(event);
+};
+
+router.get("/", (_req, res) => {
+  const listEvents = db.prepare(`SELECT * FROM events`);
+  const events = listEvents.all() as Event[];
+  res.json(events.map(joinHost).map(joinRSVPs));
+});
+
+const insertEvent = db.prepare(
+  `INSERT INTO events VALUES (@id, @title, @description, @image_url, @date, @host_id)`,
+);
+
+router.post("/new", (req, res) => {
+  const data = req.body;
+  const { lastInsertRowid } = insertEvent.run(data);
+  const id = lastInsertRowid as number;
+  const event = getEvent(id);
+  res.status(201).json(event);
+});
+
+router.get("/:id", (req, res) => {
+  const id = parseInt(req.params.id);
+  const event = getEvent(id);
+  if (!event) {
+    return res.status(404).json({ error: "Event not found" });
+  }
+  res.json(event);
+});
+
+router.patch("/:id", (req, res) => {
+  const eventId = parseInt(req.params.id);
+  const patch = req.body;
+
+  const updateCol = db.prepare(`
+    UPDATE events SET @col = @val WHERE id = @eventId
+  `);
+  const updateEvent = db.transaction((patch) => {
+    for (const [col, val] of Object.entries(patch)) {
+      updateCol.run({ col, val, eventId });
+    }
+  });
+
+  updateEvent(Object.entries(patch));
+  const updated = getEvent(eventId);
+  res.json(updated);
+});
+
+router.delete("/:id", (req, res) => {
+  const deleteEvent = db.prepare(`DELETE FROM events WHERE id = @eventId`);
+  const eventId = parseInt(req.params.id);
+  const event = getEvent(eventId);
+  if (!event) {
+    return res.status(404).json({ error: "Event not found" });
+  }
+  deleteEvent.run({ eventId });
+  res.json(event);
+});
+
+router.post("/:id/rsvp", (req, res) => {
+  const eventId = parseInt(req.params.id);
+  const { name, email } = req.body;
+
+  const getRSVP = db.prepare(
+    `SELECT * FROM rsvps WHERE (event_id = ${eventId} AND email = '${email}')`,
+  );
+  const insertRSVP = db.prepare(
+    `INSERT INTO rsvps VALUES (@eventId, @name, @email)`,
+  );
+
+  let [rsvp] = getRSVP.all({ eventId, email });
+  if (rsvp) {
+    // This email has already RSVPed
+    res.status(200).json({ rsvp });
+  } else {
+    // New RSVP
+    insertRSVP.run({ name, email, eventId });
+    rsvp = getRSVP.run({ eventId, email });
+    res.status(201).json({ rsvp });
+  }
+});
+
+export default router;