introduce TRPC and service layer

server/trpc/context.ts

@@ -0,0 +1,43 @@
+import { PrismaClient } from '@prisma/client';
+import type { inferAsyncReturnType } from '@trpc/server'
+import { H3Event } from 'h3';
+import { serverSupabaseClient } from '#supabase/server';
+import SupabaseClient from '@supabase/supabase-js/dist/module/SupabaseClient';
+import { User } from '@supabase/supabase-js';
+import UserService from '~~/lib/services/user.service';
+
+let prisma: PrismaClient | undefined
+let supabase: SupabaseClient | undefined
+let user: User | null = null;
+let dbUser: any | undefined
+
+export async function createContext(event: H3Event){
+  if (!supabase) {
+    supabase = serverSupabaseClient(event)
+  }
+  if (!user) {
+    ({data: { user }} = await supabase.auth.getUser());
+  }
+  if (!prisma) {
+    prisma = new PrismaClient()
+  }
+  if (!dbUser && user) {
+    const userService = new UserService(prisma);
+    dbUser = await userService.getUserBySupabaseId(user.id);
+    
+    if (!dbUser && user) {
+      dbUser = await userService.createUser( user.id, user.user_metadata.full_name );
+      console.log(`\n Created user \n ${JSON.stringify(dbUser)}\n`);
+    }
+  }
+
+  // TODO - This seems excessive, trim context when I have figured out what I actually need
+  return {
+    supabase,
+    user,
+    prisma,
+    dbUser,
+  }  
+};
+
+export type Context = inferAsyncReturnType<typeof createContext>