From 502af2cd487aadb108d083bc4e8509be9d8b69a5 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Wed, 3 May 2023 15:22:24 -0500
Subject: [PATCH] Return first page of statuses in profile

---
 src/app.ts                      |  3 ++-
 src/client.ts                   | 23 +++++++++++++++++------
 src/controllers/api/accounts.ts | 27 ++++++++++++++++++++++++---
 3 files changed, 43 insertions(+), 10 deletions(-)

diff --git a/src/app.ts b/src/app.ts
index 62a10ec..ca7512d 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -4,6 +4,7 @@ import {
   accountController,
   accountLookupController,
   accountSearchController,
+  accountStatusesController,
   credentialsController,
   relationshipsController,
 } from './controllers/api/accounts.ts';
@@ -45,6 +46,7 @@ app.get('/api/v1/accounts/verify_credentials', requireAuth, credentialsControlle
 app.get('/api/v1/accounts/search', accountSearchController);
 app.get('/api/v1/accounts/lookup', accountLookupController);
 app.get('/api/v1/accounts/relationships', relationshipsController);
+app.get('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/statuses', accountStatusesController);
 app.get('/api/v1/accounts/:pubkey{[0-9a-f]{64}}', accountController);
 
 app.get('/api/v1/statuses/:id{[0-9a-f]{64}}/context', contextController);
@@ -55,7 +57,6 @@ app.get('/api/v1/timelines/home', requireAuth, homeController);
 
 // Not (yet) implemented.
 app.get('/api/v1/notifications', emptyArrayController);
-app.get('/api/v1/accounts/:id/statuses', emptyArrayController);
 app.get('/api/v1/bookmarks', emptyArrayController);
 app.get('/api/v1/custom_emojis', emptyArrayController);
 app.get('/api/v1/accounts/search', emptyArrayController);
diff --git a/src/client.ts b/src/client.ts
index db85f92..ba19f44 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -1,4 +1,4 @@
-import { Author, type Filter, findReplyTag, matchFilter, RelayPool } from '@/deps.ts';
+import { Author, findReplyTag, matchFilter, RelayPool } from '@/deps.ts';
 import { type Event, type SignedEvent } from '@/event.ts';
 
 import { poolRelays } from './config.ts';
@@ -7,12 +7,23 @@ import { eventDateComparator, nostrNow } from './utils.ts';
 
 const pool = new RelayPool(poolRelays);
 
+type Filter<K extends number = number> = {
+  ids?: string[];
+  kinds?: K[];
+  authors?: string[];
+  since?: number;
+  until?: number;
+  limit?: number;
+  search?: string;
+  [key: `#${string}`]: string[];
+};
+
 interface GetFilterOpts {
   timeout?: number;
 }
 
 /** Get events from a NIP-01 filter. */
-function getFilter(filter: Filter, opts: GetFilterOpts = {}): Promise<SignedEvent[]> {
+function getFilter<K extends number>(filter: Filter<K>, opts: GetFilterOpts = {}): Promise<SignedEvent<K>[]> {
   return new Promise((resolve) => {
     let tid: number;
     const results: SignedEvent[] = [];
@@ -27,21 +38,21 @@ function getFilter(filter: Filter, opts: GetFilterOpts = {}): Promise<SignedEven
         if (filter.limit && results.length >= filter.limit) {
           unsub();
           clearTimeout(tid);
-          resolve(results);
+          resolve(results as SignedEvent<K>[]);
         }
       },
       undefined,
       () => {
         unsub();
         clearTimeout(tid);
-        resolve(results);
+        resolve(results as SignedEvent<K>[]);
       },
     );
 
     if (typeof opts.timeout === 'number') {
       tid = setTimeout(() => {
         unsub();
-        resolve(results);
+        resolve(results as SignedEvent<K>[]);
       }, opts.timeout);
     }
   });
@@ -121,4 +132,4 @@ function getDescendants(eventId: string): Promise<SignedEvent<1>[]> {
   return getFilter({ kinds: [1], '#e': [eventId], limit: 200 }, { timeout: 2000 }) as Promise<SignedEvent<1>[]>;
 }
 
-export { getAncestors, getAuthor, getDescendants, getEvent, getFeed, getFollows, pool };
+export { getAncestors, getAuthor, getDescendants, getEvent, getFeed, getFilter, getFollows, pool };
diff --git a/src/controllers/api/accounts.ts b/src/controllers/api/accounts.ts
index ddf2175..cf0556a 100644
--- a/src/controllers/api/accounts.ts
+++ b/src/controllers/api/accounts.ts
@@ -1,7 +1,7 @@
 import { type AppController } from '@/app.ts';
-import { nip05 } from '@/deps.ts';
-import { getAuthor } from '@/client.ts';
-import { toAccount } from '@/transmute.ts';
+import { nip05, z } from '@/deps.ts';
+import { getAuthor, getFilter } from '@/client.ts';
+import { toAccount, toStatus } from '@/transmute.ts';
 import { bech32ToPubkey } from '@/utils.ts';
 
 import type { Event } from '@/event.ts';
@@ -83,6 +83,26 @@ const relationshipsController: AppController = (c) => {
   return c.json(result);
 };
 
+const accountStatusesQuerySchema = z.object({
+  pinned: z.coerce.boolean(),
+  limit: z.coerce.number().positive().transform((v) => Math.min(v, 40)).catch(20),
+});
+
+const accountStatusesController: AppController = async (c) => {
+  const pubkey = c.req.param('pubkey');
+  const { pinned, limit } = accountStatusesQuerySchema.parse(c.req.query());
+
+  // Nostr doesn't support pinned statuses.
+  if (pinned) {
+    return c.json([]);
+  }
+
+  const events = await getFilter({ authors: [pubkey], kinds: [1], limit });
+  const statuses = await Promise.all(events.map((event) => toStatus(event)));
+
+  return c.json(statuses);
+};
+
 /** Resolve a bech32 or NIP-05 identifier to an account. */
 async function lookupAccount(value: string): Promise<Event<0> | undefined> {
   console.log(`Looking up ${value}`);
@@ -98,6 +118,7 @@ export {
   accountController,
   accountLookupController,
   accountSearchController,
+  accountStatusesController,
   credentialsController,
   relationshipsController,
 };