want events

api/src/api.test.ts

@@ -11,7 +11,6 @@ const services = createServices(log);
 const HOST = 'http://localhost:41337';
 
 before(function setup() {
-    console.log('setup')
     services.api.listen();
 });
 

api/src/api.ts

@@ -14,8 +14,9 @@ import type { Listing, User, Want, Prisma } from '@prisma/client';
 
 import { Pg } from './pg';
 import routerAuth from './routers/router.auth';
+import { Events } from './events';
 
-export default function createApi(log: Log, pg: Pg, discogs) {
+export default function createApi(log: Log, pg: Pg, discogs, events) {
     const PORT = 41337;
     const SECRET = 'ohja4Eif9eidah3aj5ta2haa4iemooth';
 
@@ -147,23 +148,40 @@ export default function createApi(log: Log, pg: Pg, discogs) {
         ctx.response.body = listings;
     });
 
-    router.get('/wants', async function wantPost(ctx, next) {
-        const { userId, releaseId } = ctx.request.body;
-        const user = await pg.userFindId(userId);
+    router.post('/want', async function wantPost(ctx, next) {
+        ctx.assert(ctx.isAuthenticated(), 401, 'log in required');
+        const { releaseId } = ctx.request.body;
+        const user = await pg.userFindId(ctx.state.user.id);
         const release = await discogs.release(releaseId);
-        const want = await pg.wantUpsert(release, user);
-        ctx.response.body = want;
+        const want = await pg.wantCreate([release], user);
+
+        // fetch listings
+        const listings = await discogs.listings(want);
+
+        ctx.response.body = { want, listings };
     });
 
-    router.get('/wants', async function wantGet(ctx, next) {
+    router.post('/want/discogs', async function wantListPost(ctx, next) {
         ctx.assert(ctx.isAuthenticated(), 401, 'log in required');
-        log.warn(ctx.state.user);
-        const user = ctx.state.user;
-        const wants = await pg.wantFind(user);
+        const { username } = ctx.request.body;
+        const user = await pg.userFindId(ctx.state.user.id);
+
+        const wants = await discogs.wantListSync(username, user);
+
+        events.emit(Events.WantsAdded, wants);
+
         ctx.response.body = wants;
     });
 
-    router.post('/wants/search', async function wantPost(ctx, next) {
+    router.get('/want/all', async function wantGet(ctx, next) {
+        ctx.assert(ctx.isAuthenticated(), 401, 'log in required');
+        const user = ctx.state.user;
+        const wants = await pg.wantList(user);
+
+        ctx.response.body = wants;
+    });
+
+    router.post('/want/search', async function wantPost(ctx, next) {
         const { artist, title } = ctx.request.body;
         const results = await discogs.search(artist, title);
         ctx.response.body = results;

api/src/discogs.ts

@@ -31,30 +31,15 @@ export default function discogs(log: Log, pg: Pg) {
         return null;
     }
 
-    // async function user(discogs: string) {
-    //     const user = await pg.userFindName(discogs);
-    //     if (user) return user;
-    //     log.debug('fetching user', discogs);
-    //     const { data } = await api.get(`${apiBase}/users/${discogs}`);
-    //     return pg.userUpsert(data.username, data.username, data);
-    // }
-
-    async function wantlist(user: User): Promise<Want[]> {
-        const stored = await pg.userWants(user);
-        if (stored.length) return stored;
-
-        if (!user.discogs) {
-            log.error(user, 'attempted to fetch wantlist of non discogs user');
-            throw new Error('User is not associated with a discogs account');
-        }
-
-        return wantlistLatest(user);
-    }
-
-    async function wantlistLatest(user: User): Promise<Want[]> {
-        const { username } = user.data as { username: string };
+    async function wantListSync(username: string, user: User): Promise<Want[]> {
         const { data: { wants, pagination }} = await api.get(`${apiBase}/users/${username}/wants`);
-        return Bluebird.mapSeries(wants, async r => pg.wantUpsert(r, user));
+        const releases = await Promise.all(wants.map(want => release(want.id)));
+
+        // convert want object to actual release and ignore duplicate errors
+        const results = await Promise.allSettled(releases.map(release => pg.wantCreate(release, user)));
+        // @ts-ignore
+        const additions = results.filter(r => r.status === 'fulfilled').map(r => r.value);
+        return additions;
     }
 
     async function release(id: DiscogsRelease): Promise<any> {
@@ -99,6 +84,7 @@ export default function discogs(log: Log, pg: Pg) {
         try {
             log.debug('fetching listing', id);
             const res = await api.get(`${apiBase}/marketplace/listings/${id}`);
+            log.info(res.data);
             return pg.listingUpsert(res.data, want);
         } catch (e) {
             return handleApiError(e);
@@ -106,9 +92,7 @@ export default function discogs(log: Log, pg: Pg) {
     }
 
     return {
-        // user,
-        wantlist,
-        wantlistLatest,
+        wantListSync,
         inventory,
         listings,
         listing,

api/src/events.ts

@@ -0,0 +1,25 @@
+import { EventEmitter } from 'node:events';
+
+import type Log from 'bunyan';
+import type { Listing, User, Want, Prisma } from '@prisma/client';
+
+import { Pg } from './pg';
+import routerAuth from './routers/router.auth';
+
+export enum Events {
+    WantsAdded = 'WantsAdded',
+}
+
+export function eventService(log: Log, pg: Pg, discogs) {
+    const events = new EventEmitter({ captureRejections: true });
+
+    events.on('error', function eventError(e) {
+        log.error(e);
+    });
+
+    events.on(Events.WantsAdded, async function wantsAdded(wants: Want[]) {
+        log.info('wants added', wants);
+    });
+
+    return events;
+}

api/src/pg.ts

@@ -16,8 +16,8 @@ export interface Pg {
     userCreate:         (params: UserCreateParams) => Promise<User>,
     userWants:          (user: User) => Promise<Want[]>,
 
-    wantUpsert:         (want: Want, user: User) => Promise<Want>,
-    wantFind:           (user: User) => Promise<Want[]>,
+    wantCreate:         (discogsWant: any, user: User) => Promise<Want>,
+    wantList:           (user: User) => Promise<Want[]>,
     listingUpsert:      (listing: Listing, want: Want) => Promise<Listing>,
     listingFind:        (id: DiscogsListing) => Promise<Listing>,
     listingRmUnlisted:  (want: Want, ids: DiscogsListing[]) => Promise<number>,
@@ -60,22 +60,15 @@ export default function createPg(log: Log, prisma: PrismaClient): Pg {
         });
     }
 
-    async function wantUpsert(dcWant, user) {
-        const values: { userId: UUID, release: DiscogsListing, data: any } = {
-            data: dcWant,
-            release: dcWant.id,
+    async function wantCreate(discogsRelease, user) {
+        const data: { userId: UUID, release: DiscogsListing, data: any } = {
+            data: discogsRelease,
+            release: discogsRelease.id,
             userId: user.id,
         };
 
-        return prisma.want.upsert({
-            // get these from the generated types
-            // ./node_modules/.prisma/client/index.d.ts
-            where: { userId_release: {
-                userId: values.userId,
-                release: values.release || null,
-            }},
-            update: values,
-            create: values,
+        return prisma.want.create({
+            data,
         });
     }
 
@@ -154,7 +147,8 @@ export default function createPg(log: Log, prisma: PrismaClient): Pg {
         userCreate,
         userWants,
 
-        wantUpsert,
+        wantCreate,
+        wantList,
         listingUpsert,
         listingFind,
         listingRmUnlisted,

api/src/services.ts

@@ -2,20 +2,22 @@ import { PrismaClient } from '@prisma/client'
 
 import discogsService from './discogs';
 import pgService from './pg';
-import { logAxiosError } from './utils';
 import createLog from './log';
 import createApi from './api';
+import { eventService } from './events';
 
 export default function createServices(log) {
     const prisma = new PrismaClient();
     const pg = pgService(log, prisma);
     const discogs = discogsService(log, pg);
-    const api = createApi(log, pg, discogs);
+    const events = eventService(log, pg, discogs);
+    const api = createApi(log, pg, discogs, events);
 
     return {
-        prisma,
-        pg,
-        discogs,
         api,
+        discogs,
+        events,
+        pg,
+        prisma,
     };
 }