expand offers

TODO.md

@@ -1,5 +1,4 @@
 # TODO
-
 contact options on landing page
 
 move want add to rpc

api/prisma/schema.prisma

@@ -80,6 +80,9 @@ model Offer {
     wantId          String     @db.Uuid
     want            Want       @relation(fields: [wantId], references: [id], onDelete: Cascade)
 
+    createdAt  DateTime   @default(now())
+    updatedAt  DateTime   @default(now())
+
     // only one offer per want for a user
     // @@unique([userId, wantId])
     @@unique([listingId])

api/src/pg.ts

@@ -21,7 +21,10 @@ export default function createPg(log: Log, prisma: PrismaClient) {
     }
 
     async function userWants(user: User) {
-        return prisma.want.findMany({ where: { userId: user.id }});
+        return prisma.want.findMany({
+            where: { userId: user.id },
+            include: { _count: { select: { offers: true }} },
+        });
     }
 
     async function userOffers(user: User) {
@@ -34,6 +37,7 @@ export default function createPg(log: Log, prisma: PrismaClient) {
                 want: true,
             },
             orderBy: [
+                { updatedAt: 'asc' },
                 { total: 'asc' },
                 { listingId: 'asc' },
             ],
@@ -223,6 +227,7 @@ export default function createPg(log: Log, prisma: PrismaClient) {
         // but for ease of abstraction we get the listings themselves
         // grouped by seller
         const candidates = await prisma.$queryRaw`
+            WITH groups AS (
               select
                   seller, count(distinct("wantId")), array_agg(id) as listings
               from
@@ -233,7 +238,10 @@ export default function createPg(log: Log, prisma: PrismaClient) {
                   seller
               order by
                   count desc
-            limit 5;
+            )
+            select *
+            from groups
+            where count >= 5;
         ` as BundleCandidate[];
 
         return Promise.all(candidates.map(async c => prisma.listing.findMany({

client/src/components/want.tsx

@@ -30,8 +30,8 @@ function Want(want) {
             </div>
             <img src={r.thumb} />
             <div class='details'>
-                <div class='alt'>{r.year}</div>
-                <div class='alt'>{r.formats[0].descriptions.join(' ')}</div>
+                <div class='alt'>{r.year} - {r.formats[0].descriptions.join(' ')}</div>
+                <div class='alt'>{want._count.offers} offers</div>
             </div>
             <button onClick={onClick} >{text}</button>
         </article>

client/src/routes/acp.tsx

@@ -74,14 +74,6 @@ function Home() {
         ws.sendAcpListingsSync();
     }
 
-    if (!offers.length) {
-        return (
-            <div class={'offers'}>
-                loading...
-            </div>
-        );
-    }
-
     return (
         <div>
             <button onClick={sync}> sync listings </button>