♻️ Create backend package (#643)

packages/backend/trpc/routers/feedback.ts

@@ -0,0 +1,37 @@
+import { prisma } from "@rallly/database";
+import { sendRawEmail } from "@rallly/emails";
+import { z } from "zod";
+
+import { publicProcedure, router } from "../trpc";
+
+export const feedback = router({
+  send: publicProcedure
+    .input(z.object({ content: z.string() }))
+    .mutation(async ({ input, ctx }) => {
+      let replyTo: string | undefined;
+      let name = "Guest";
+
+      if (!ctx.user.isGuest) {
+        const user = await prisma.user.findUnique({
+          where: { id: ctx.user.id },
+          select: { email: true, name: true },
+        });
+
+        if (user) {
+          replyTo = user.email;
+          name = user.name;
+        }
+      }
+
+      await sendRawEmail({
+        to: process.env.NEXT_PUBLIC_FEEDBACK_EMAIL,
+        from: {
+          name: "Rallly Feedback Form",
+          address: process.env.SUPPORT_EMAIL ?? "",
+        },
+        subject: "Feedback",
+        replyTo,
+        text: `${name} says:\n\n${input.content}`,
+      });
+    }),
+});