From d30ed659de70a2cd833a18c02005b5c9a3b84bd8 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 28 Oct 2022 13:49:18 +0300
Subject: Basic profile caching

---
 vnext/src/api/index.js   | 19 ++++++++++++++-----
 vnext/src/ui/Thread.js   |  4 ++--
 vnext/src/ui/UserInfo.js |  4 ++--
 3 files changed, 18 insertions(+), 9 deletions(-)

(limited to 'vnext/src')

diff --git a/vnext/src/api/index.js b/vnext/src/api/index.js
index f88695f2..aa0ddc6e 100644
--- a/vnext/src/api/index.js
+++ b/vnext/src/api/index.js
@@ -213,6 +213,8 @@ export function markReadTracker(msg, visitor) {
     return `${apiBaseUrl}/api/thread/mark_read/${msg.mid}-${msg.rid || 0}.gif?hash=${visitor.hash}`;
 }
 
+let profileCache = {};
+
 /**
  * Fetch user profile
  *
@@ -220,10 +222,17 @@ export function markReadTracker(msg, visitor) {
  */
 export function fetchUserUri(profileUrl) {
     return new Promise((resolve, reject) => {
-        client.get(profileUrl, {
-            headers: {
-                'Accept': 'application/ld+json'
-            }
-        }).then(response => resolve(response)).catch(reject);
+        if (profileCache[profileUrl]) {
+            resolve(profileCache[profileUrl]);
+        } else {
+            client.get(profileUrl, {
+                headers: {
+                    'Accept': 'application/ld+json'
+                }
+            }).then(response => {
+                profileCache[profileUrl] = response.data;
+                resolve(response.data);
+            }).catch(reject);
+        }
     });
 }
diff --git a/vnext/src/ui/Thread.js b/vnext/src/ui/Thread.js
index a290acd7..4982daed 100644
--- a/vnext/src/ui/Thread.js
+++ b/vnext/src/ui/Thread.js
@@ -53,8 +53,8 @@ function Comment({ msg, draft, visitor, active, setActive, onStartEditing, postC
         if (isMounted) {
           setAuthor({
             uid: 0,
-            uname: remote_user.data.preferredUsername,
-            avatar: remote_user.data.icon && remote_user.data.icon.url,
+            uname: remote_user.preferredUsername,
+            avatar: remote_user.icon && remote_user.icon.url,
             uri: author.uri
           });
         }
diff --git a/vnext/src/ui/UserInfo.js b/vnext/src/ui/UserInfo.js
index 9a663829..9239c58c 100644
--- a/vnext/src/ui/UserInfo.js
+++ b/vnext/src/ui/UserInfo.js
@@ -104,8 +104,8 @@ export function UserLink(props) {
                 if (isMounted) {
                     setUser({
                         uid: 0,
-                        uname: remote_user.data.preferredUsername,
-                        avatar: remote_user.data.icon && remote_user.data.icon.url,
+                        uname: remote_user.preferredUsername,
+                        avatar: remote_user.icon && remote_user.icon.url,
                         uri: userRef.current.uri
                     });
                 }
-- 
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