✨ Add procedure for registration tokens management

src/server/api/routers/registrationTokens.ts

@@ -0,0 +1,52 @@
+import dayjs from 'dayjs';
+import { z } from 'zod';
+
+import { createTRPCRouter, publicProcedure } from '../trpc';
+import { randomBytes } from 'crypto';
+
+export const inviteRouter = createTRPCRouter({
+  getAllInvites: publicProcedure
+    .input(
+      z.object({
+        limit: z.number().min(1).max(100).nullish(),
+        cursor: z.string().nullish(),
+      })
+    )
+    .query(async ({ ctx, input }) => {
+      const limit = input.limit ?? 50;
+      const cursor = input.cursor;
+      const registrationTokens = await ctx.prisma.registrationToken.findMany({
+        take: limit + 1, // get an extra item at the end which we'll use as next cursor
+        cursor: cursor ? { id: cursor } : undefined,
+      });
+
+      let nextCursor: typeof cursor | undefined = undefined;
+      if (registrationTokens.length > limit) {
+        const nextItem = registrationTokens.pop();
+        nextCursor = nextItem!.id;
+      }
+
+      return {
+        registrationTokens: registrationTokens.map((token) => ({
+          id: token.id,
+          expires: token.expires,
+        })),
+        nextCursor,
+      };
+    }),
+  createRegistrationToken: publicProcedure.input(
+    z.object({
+      expiration: z
+        .date()
+        .min(dayjs().add(5, 'minutes').toDate())
+        .max(dayjs().add(6, 'months').toDate()),
+    })
+  ).mutation(async ({ ctx, input }) => {
+    await ctx.prisma.registrationToken.create({
+      data: {
+        expires: input.expiration,
+        token: randomBytes(20).toString('hex'),
+      }
+    });
+  }),
+});