From 3807ca175f2541c36b6f07b6c2ff4690bd2672b2 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Mon, 1 Jan 2024 12:50:09 -0600
Subject: [PATCH] Add unblock and unfollow endpoints

---
 src/app.ts                      |  8 ++++++--
 src/controllers/api/accounts.ts | 35 ++++++++++++++++++++++++++++++++-
 2 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/src/app.ts b/src/app.ts
index 59ee717..2c73369 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -30,6 +30,8 @@ import {
   followersController,
   followingController,
   relationshipsController,
+  unblockController,
+  unfollowController,
   updateCredentialsController,
   verifyCredentialsController,
 } from './controllers/api/accounts.ts';
@@ -137,8 +139,10 @@ app.patch(
 app.get('/api/v1/accounts/search', accountSearchController);
 app.get('/api/v1/accounts/lookup', accountLookupController);
 app.get('/api/v1/accounts/relationships', relationshipsController);
-app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/block', blockController);
-app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/follow', followController);
+app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/block', requirePubkey, blockController);
+app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/unblock', requirePubkey, unblockController);
+app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/follow', requirePubkey, followController);
+app.post('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/unfollow', requirePubkey, unfollowController);
 app.get('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/followers', followersController);
 app.get('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/following', followingController);
 app.get('/api/v1/accounts/:pubkey{[0-9a-f]{64}}/statuses', accountStatusesController);
diff --git a/src/controllers/api/accounts.ts b/src/controllers/api/accounts.ts
index 7486b02..b25dbe4 100644
--- a/src/controllers/api/accounts.ts
+++ b/src/controllers/api/accounts.ts
@@ -7,7 +7,7 @@ import { type DittoFilter } from '@/filter.ts';
 import { getAuthor, getFollowedPubkeys } from '@/queries.ts';
 import { booleanParamSchema, fileSchema } from '@/schema.ts';
 import { jsonMetaContentSchema } from '@/schemas/nostr.ts';
-import { addTag } from '@/tags.ts';
+import { addTag, deleteTag } from '@/tags.ts';
 import { uploadFile } from '@/upload.ts';
 import { lookupAccount, nostrNow } from '@/utils.ts';
 import { paginated, paginationSchema, parseBody, updateListEvent } from '@/utils/web.ts';
@@ -213,6 +213,7 @@ const updateCredentialsController: AppController = async (c) => {
   return c.json(account);
 };
 
+/** https://docs.joinmastodon.org/methods/accounts/#follow */
 const followController: AppController = async (c) => {
   const sourcePubkey = c.get('pubkey')!;
   const targetPubkey = c.req.param('pubkey');
@@ -227,6 +228,21 @@ const followController: AppController = async (c) => {
   return c.json(relationship);
 };
 
+/** https://docs.joinmastodon.org/methods/accounts/#unfollow */
+const unfollowController: AppController = async (c) => {
+  const sourcePubkey = c.get('pubkey')!;
+  const targetPubkey = c.req.param('pubkey');
+
+  await updateListEvent(
+    { kinds: [3], authors: [sourcePubkey] },
+    (tags) => deleteTag(tags, ['p', targetPubkey]),
+    c,
+  );
+
+  const relationship = await renderRelationship(sourcePubkey, targetPubkey);
+  return c.json(relationship);
+};
+
 const followersController: AppController = (c) => {
   const pubkey = c.req.param('pubkey');
   const params = paginationSchema.parse(c.req.query());
@@ -254,6 +270,21 @@ const blockController: AppController = async (c) => {
   return c.json(relationship);
 };
 
+/** https://docs.joinmastodon.org/methods/accounts/#unblock */
+const unblockController: AppController = async (c) => {
+  const sourcePubkey = c.get('pubkey')!;
+  const targetPubkey = c.req.param('pubkey');
+
+  await updateListEvent(
+    { kinds: [10000], authors: [sourcePubkey] },
+    (tags) => deleteTag(tags, ['p', targetPubkey]),
+    c,
+  );
+
+  const relationship = await renderRelationship(sourcePubkey, targetPubkey);
+  return c.json(relationship);
+};
+
 const favouritesController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const params = paginationSchema.parse(c.req.query());
@@ -290,6 +321,8 @@ export {
   followersController,
   followingController,
   relationshipsController,
+  unblockController,
+  unfollowController,
   updateCredentialsController,
   verifyCredentialsController,
 };