simplify and automate offer creation

api/src/pg.ts

@@ -2,6 +2,7 @@ import bcrypt from 'bcrypt';
 import type Log from 'bunyan';
 import type { PrismaClient, Want, User, Listing, Offer, Prisma } from '@prisma/client';
 import * as Bluebird from 'bluebird';
+import omit from 'lodash/omit';
 
 import { Status } from './offers';
 
@@ -54,7 +55,7 @@ export default function createPg(log: Log, prisma: PrismaClient): Pg {
                 want: true,
             },
             orderBy: {
-                status: 'desc',
+                total: 'asc',
             },
         });
     }
@@ -184,6 +185,8 @@ export default function createPg(log: Log, prisma: PrismaClient): Pg {
                 seller, count(distinct("wantId")), array_agg(id) as listings
             from
                 listings
+            where
+                seller not in (3709203)
             group by
                 seller
             order by
@@ -208,13 +211,10 @@ export default function createPg(log: Log, prisma: PrismaClient): Pg {
         return await prisma.$transaction(
             offers.map(offer => prisma.offer.upsert({
                 where: {
-                    userId_wantId: {
-                        userId: offer.userId,
-                        wantId: offer.wantId,
-                    },
+                    listingId: offer.listingId,
                 },
                 create: offer,
-                update: offer
+                update: omit(offer, ['status']),
             }))
         );
     }