subscribe to all available categories, instead of subscribing to them when you click on them if that makes sense

bfrontend/src/Components/Categories/CategoryButton.js

@@ -3,9 +3,12 @@ import gatewayConnection from '../../Gateway/globalGatewayConnection';
 
 import { useHistory } from 'react-router-dom';
 
-export default function CategoryButton({ category }) {
+export default function CategoryButton({ category, selected }) {
     const history = useHistory();
 
+    let buttonClasses = 'button category-button';
+    if (selected) buttonClasses += ' pressed';
+
     const handleClick = () => {
         if (gatewayConnection.isConnected) {
             history.push(`/categories/${category._id}`);
@@ -13,7 +16,7 @@ export default function CategoryButton({ category }) {
     };
 
     return (
-        <button className="button category-button" onClick={ handleClick }>
+        <button className={ buttonClasses } onClick={ handleClick }>
             <CategoryProfile category={ category } size="32" /> 
         </button>
     );

bfrontend/src/Components/Categories/CategoryList.js

@@ -3,13 +3,14 @@ import CategoryButton from './CategoryButton';
 import APIRequest from '../../APIRequest';
 import { couldNotReach } from '../../Errors';
 
-import { useDispatch } from 'react-redux'
+import { connect, useDispatch } from 'react-redux'
 import { useState, useEffect } from 'react';
 import Logger from '../../Logger';
+import gatewayConnection from '../../Gateway/globalGatewayConnection';
 
 const { log: loaderLog } = Logger([ 'CategoryList', 'Loader' ]);
 
-export default function CategoryList() {
+function CategoryList({ selectedCategoryId }) {
     const [ categoryList, setCategoryList ] = useState();
     const [ error, setError ] = useState();
 
@@ -24,6 +25,9 @@ export default function CategoryList() {
                 loaderLog('Got category list from server, dispatching...');
                 setCategoryList(json.categories || []);
                 dispatch({ type: 'categories/updatecategorylist', categories: json.categories });
+                loaderLog('Subscribing to all categories...');
+                // TODO: IMPORTANT: Subscribing to a lot of channels puts strain on the server
+                gatewayConnection.subscribeToCategoryChats(json.categories.map(category => category._id));
             })
             .catch(() => {
                 setError(true);
@@ -49,10 +53,16 @@ export default function CategoryList() {
     } else {
         return (
             <div className="category-list">
-                {categoryList.map((category) =>
-                    <CategoryButton key={ category._id } category={ category } />
-                )}
+                { categoryList.map((category) => ( <CategoryButton key={ category._id } category={ category } selected={ (category._id === selectedCategoryId) } /> )) }
             </div>
         );
     }
 }
+
+const stateToProps = (state) => {
+    return {
+        selectedCategoryId: state?.selectedCategoryId
+    };
+};
+
+export default connect(stateToProps)(CategoryList);

bfrontend/src/Components/Categories/CategoryProfileLink.js

@@ -1,24 +1,7 @@
-import defaultProfile from '../../Images/defaultprofile_256px-256px.png'
+import ProfileLink from '../UI/ProfileLink'
 
 export default function CategoryProfile({ category, size }) {
-    let picture;
-
-    if (!size) size = 32;
-
-    // TODO: Make a debug error message for then the size does not exist
-    const pictureClass = `profile-picture profile-picture-${size}`;
-
-    if (category.picture) {
-        // Not actually implemented on the server and can be unsafe, this is just futureproofing
-        picture = <img className={ pictureClass } src={ category.picture } alt="Profile"></img>
-    } else {
-        picture = <img className={ pictureClass } src={ defaultProfile } alt="Profile"></img>
-    }
-
     return (
-        <div className="profile-link">
-            { picture }
-            <span className="profile-username">{ category.title }</span>
-        </div>
-    )
+        <ProfileLink object={ category } size={ size } type="category" />
+    );
 }

bfrontend/src/Components/Categories/CategoryView.js

@@ -7,7 +7,7 @@ import { useParams } from 'react-router-dom';
 import { connect, useDispatch } from 'react-redux';
 import { useState, useRef, useEffect } from 'react';
 
-function CategoryView({ categories, messages, isHandlingRoute=true, subscribedToCategories, gateway: { isConnected: isGatewayConnected } }) {
+function CategoryView({ categories, messages }) {
     const { id } = useParams();
     const [ textInput, setTextInput ] = useState('');
     const [ category, setCategory ] = useState();
@@ -32,29 +32,24 @@ function CategoryView({ categories, messages, isHandlingRoute=true, subscribedTo
         }
     }
 
-    useEffect(() => {
-        if (isHandlingRoute) {
-            if (!id || id === '') return;
-            if (!isGatewayConnected ) return;
-            if (subscribedToCategories.includes(id)) return;
-
-            dispatch({ type: 'categories/selectcategory', categoryId: id });
-            gatewayConnection.subscribeToCategoryChat(id);
-        }
-    }, [dispatch, id, isHandlingRoute, subscribedToCategories, isGatewayConnected]);
-
     useEffect(() => {
         if (!categories) return;
 
         setCategory(categories.find(x => x._id === id));
     }, [ categories, id ]);
 
+    useEffect(() => {
+        if (!category) return;
+
+        dispatch({ type: 'categories/selectcategory', categoryId: category._id });
+    }, [ category, dispatch ]);
+
     if (category) {
         let messagesView = messages.map(m => <Message key={ m._id } message={ m } />);
 
         if (messagesView === undefined || messagesView.length <= 0) {
             messagesView = (
-                <div class='no-messages-warning'>
+                <div className='no-messages-warning'>
                     A bit empty in here...
                 </div>
             );
@@ -98,8 +93,6 @@ const stateToProps = (state, ownProps) => {
     return {
         categories: state?.categories,
         messages: state?.messages[categoryId] || [],
-        subscribedToCategories: state?.subscribedToCategories || [],
-        gateway: state?.gateway
     };
 };
 

bfrontend/src/Components/UI/ProfileLink.js

@@ -0,0 +1,30 @@
+import defaultProfile from '../../Images/defaultprofile_256px-256px.png'
+
+export default function ProfileLink({ object, size, type }) {
+    let picture;
+
+    if (!size) size = 32;
+    if (size !== 0) {
+        // TODO: Make a debug error message for then the size does not exist
+        const pictureClass = `profile-picture profile-picture-${size}`;
+
+        if (object.picture) {
+            // Not actually implemented on the server and can be unsafe, this is just futureproofing
+            picture = <img className={ pictureClass } src={ object.picture } alt="Profile"></img>
+        } else {
+            picture = <img className={ pictureClass } src={ defaultProfile } alt="Profile"></img>
+        }
+    } else {
+        picture = null;
+    }
+
+    const classes = type === 'user' ? 'profile-link user-profile-link' : 'profile-link';
+    const title = type === 'category' ? object.title : object.username;
+
+    return (
+        <div className={ classes }>
+            { picture }
+            <span className="profile-username">{ title }</span>
+        </div>
+    )
+}

bfrontend/src/Components/Users/UserProfileLink.js

@@ -1,27 +1,7 @@
-import defaultProfile from '../../Images/defaultprofile_256px-256px.png'
-
-export default function UserProfileLink({ user, size }) {
-    let picture;
-
-    if (!size) size = 32;
-    if (size !== 0) {
-        // TODO: Make a debug error message for then the size does not exist
-        const pictureClass = `profile-picture profile-picture-${size}`;
-
-        if (user.picture) {
-            // Not actually implemented on the server and can be unsafe, this is just futureproofing
-            picture = <img className={ pictureClass } src={ user.picture } alt="Profile"></img>
-        } else {
-            picture = <img className={ pictureClass } src={ defaultProfile } alt="Profile"></img>
-        }
-    } else {
-        picture = null;
-    }
+import ProfileLink from '../UI/ProfileLink'
 
+export default function CategoryProfile({ user, size }) {
     return (
-        <div className="profile-link user-profile-link">
-            { picture }
-            <span className="profile-username">{ user.username }</span>
-        </div>
-    )
+        <ProfileLink object={ user } size={ size } type="user" />
+    );
 }

bfrontend/src/Gateway/GatewayConnection.js

@@ -74,14 +74,12 @@ GatewayConnection.prototype.sendMessage = function(categoryId, content) {
     });
 };
 
-GatewayConnection.prototype.subscribeToCategoryChat = function(categoryId) {
+GatewayConnection.prototype.subscribeToCategoryChats = function(categoryIds) {
     if (!this.isConnected) return;
 
-    const request = [categoryId];
+    gatewayLog('Subscribing to channel(s)', categoryIds);
 
-    gatewayLog('Subscribing to channel(s)', request);
-
-    this.socket.emit('subscribe', request);
+    this.socket.emit('subscribe', categoryIds);
 };
 
 export default GatewayConnection;

bfrontend/src/Styles/App.scss

@@ -1,7 +1,7 @@
 $nord0darker: #22262e;
 $nord1darker: #282b36;
 $nord2darker: #333947;
-
+$nord3darker: #40495a;
 $nord4darker: #9da2ad;
 
 $nord0: #2E3440;
@@ -32,6 +32,7 @@ $nord15: #B48EAD;
 
     --accent-color-dark: #{$nord1darker};
     --accent-color-light: #{$nord2darker};
+    --accent-color-very-light: #{$nord3darker};
 
     --category-top-bar-color: var(--accent-color-light);
     --category-bottom-text-bar-color: var(--accent-color-light);
@@ -171,11 +172,11 @@ body {
     }
 
     &.pressed {
-        background-color: var(--accent-color-light);
+        background-color: var(--accent-color-very-light);
     }
 }
 
-.button:hover {
+.button:hover:not(.pressed) {
     background-color: var(--accent-color-light);
 }
 
@@ -274,6 +275,10 @@ body {
     color: var(--darker-text-color);
 }
 
+.unread-indicator {
+    float: right;
+}
+
 @media only screen and (max-width: 600px) {
     .button.category-button {
         min-width: 100px;

bfrontend/src/store.js

@@ -2,11 +2,14 @@ import { createStore } from 'redux';
 
 const intitialState = {
     user: null,
+
     categories: null,
+
     gateway: { isConnected: false },
     messages: {},
-    subscribedToCategories: [],
-    categoryPresenceClientList: {}
+    categoryPresenceClientList: {},
+    
+    selectedCategoryId: undefined
 };
 
 const reducer = (state = intitialState, payload) => {
@@ -50,10 +53,7 @@ const reducer = (state = intitialState, payload) => {
         case 'categories/selectcategory': {
             return {
                 ...state,
-                subscribedToCategories: [
-                    ...state.subscribedToCategories || [],
-                    payload.categoryId
-                ]
+                selectedCategoryId: payload.categoryId
             };
         }