From bc4f9b5f51f8705252dad20f52c1e9cc96bdb94b Mon Sep 17 00:00:00 2001
From: Pavel Djundik <xPaw@users.noreply.github.com>
Date: Mon, 4 Nov 2019 11:21:05 +0200
Subject: [PATCH] Track mentions and add a window to view them

---
 client/components/App.vue           |   3 +
 client/components/Chat.vue          |  10 ++
 client/components/Mentions.vue      | 173 ++++++++++++++++++++++++++++
 client/css/style.css                |   6 +
 client/js/socket-events/index.js    |   1 +
 client/js/socket-events/mentions.js |   8 ++
 client/js/store.js                  |   4 +
 client/themes/morning.css           |   1 +
 src/client.js                       |   1 +
 src/plugins/irc-events/message.js   |  16 +++
 src/server.js                       |  16 +++
 11 files changed, 239 insertions(+)
 create mode 100644 client/components/Mentions.vue
 create mode 100644 client/js/socket-events/mentions.js

diff --git a/client/components/App.vue b/client/components/App.vue
index 49ba5a88..b4e8c023 100644
--- a/client/components/App.vue
+++ b/client/components/App.vue
@@ -3,6 +3,7 @@
 		<Sidebar v-if="$store.state.appLoaded" :overlay="$refs.overlay" />
 		<div id="sidebar-overlay" ref="overlay" @click="$store.commit('sidebarOpen', false)" />
 		<router-view ref="window"></router-view>
+		<Mentions />
 		<ImageViewer ref="imageViewer" />
 		<ContextMenu ref="contextMenu" />
 		<ConfirmDialog ref="confirmDialog" />
@@ -21,6 +22,7 @@ import Sidebar from "./Sidebar.vue";
 import ImageViewer from "./ImageViewer.vue";
 import ContextMenu from "./ContextMenu.vue";
 import ConfirmDialog from "./ConfirmDialog.vue";
+import Mentions from "./Mentions.vue";
 
 export default {
 	name: "App",
@@ -29,6 +31,7 @@ export default {
 		ImageViewer,
 		ContextMenu,
 		ConfirmDialog,
+		Mentions,
 	},
 	computed: {
 		viewportClasses() {
diff --git a/client/components/Chat.vue b/client/components/Chat.vue
index 8ad6efb4..f4b55a6a 100644
--- a/client/components/Chat.vue
+++ b/client/components/Chat.vue
@@ -38,6 +38,11 @@
 							:network="network"
 							:text="channel.topic"
 					/></span>
+					<button
+						class="mentions"
+						aria-label="Open your mentions"
+						@click="openMentions"
+					/>
 					<button
 						class="menu"
 						aria-label="Open the context menu"
@@ -198,6 +203,11 @@ export default {
 				network: this.network,
 			});
 		},
+		openMentions() {
+			this.$root.$emit("mentions:toggle", {
+				event: event,
+			});
+		},
 	},
 };
 </script>
diff --git a/client/components/Mentions.vue b/client/components/Mentions.vue
new file mode 100644
index 00000000..0e75b67d
--- /dev/null
+++ b/client/components/Mentions.vue
@@ -0,0 +1,173 @@
+<template>
+	<div
+		v-if="isOpen"
+		id="mentions-popup-container"
+		@click="containerClick"
+		@contextmenu.prevent="containerClick"
+	>
+		<div class="mentions-popup">
+			<div class="mentions-popup-title">
+				Recent mentions
+				<span v-if="isLoading">- Loading…</span>
+			</div>
+			<template v-if="resolvedMessages.length === 0">
+				<p>There are no recent mentions.</p>
+			</template>
+			<template v-for="message in resolvedMessages" v-else>
+				<div :key="message.id" :class="['msg', message.type]">
+					<span class="from">
+						<Username :user="message.from" />
+						<template v-if="message.channel">
+							in {{ message.channel.channel.name }} on
+							{{ message.channel.network.name }}
+						</template>
+						<template v-else>
+							in unknown channel
+						</template>
+					</span>
+					<span :title="message.time | localetime" class="time">
+						{{ messageTime(message.time) }}
+					</span>
+					<button
+						class="msg-hide"
+						aria-label="Hide this mention"
+						@click="hideMention(message)"
+					></button>
+					<div class="content" dir="auto">
+						<ParsedMessage :network="null" :message="message" />
+					</div>
+				</div>
+			</template>
+		</div>
+	</div>
+</template>
+
+<style>
+.mentions-popup {
+	background-color: var(--window-bg-color);
+	position: absolute;
+	width: 400px;
+	right: 80px;
+	top: 55px;
+	max-height: 400px;
+	overflow-y: scroll;
+	z-index: 2;
+	padding: 10px;
+}
+
+.mentions-popup > .mentions-popup-title {
+	margin-bottom: 10px;
+	font-size: 20px;
+}
+
+.mentions-popup .msg {
+	margin-bottom: 15px;
+	user-select: text;
+}
+
+.mentions-popup .msg:last-child {
+	margin-bottom: 0;
+}
+
+.mentions-popup .msg .content {
+	background-color: var(--highlight-bg-color);
+	border-radius: 5px;
+	padding: 6px;
+	margin-top: 2px;
+}
+
+.mentions-popup .msg-hide::before {
+	font-size: 20px;
+	font-weight: normal;
+	display: inline-block;
+	line-height: 16px;
+	text-align: center;
+	content: "×";
+}
+
+@media (max-width: 768px) {
+	.mentions-popup {
+		border-radius: 0;
+		border: 0;
+		box-shadow: none;
+		width: 100%;
+		max-height: none;
+		right: 0;
+		left: 0;
+		bottom: 0;
+		top: 45px; /* header height */
+	}
+}
+</style>
+
+<script>
+import Username from "./Username.vue";
+import ParsedMessage from "./ParsedMessage.vue";
+import socket from "../js/socket";
+import dayjs from "dayjs";
+import relativeTime from "dayjs/plugin/relativeTime";
+
+dayjs.extend(relativeTime);
+
+export default {
+	name: "Mentions",
+	components: {
+		Username,
+		ParsedMessage,
+	},
+	data() {
+		return {
+			isOpen: false,
+			isLoading: false,
+		};
+	},
+	computed: {
+		resolvedMessages() {
+			const messages = this.$store.state.mentions.slice().reverse();
+
+			for (const message of messages) {
+				message.channel = this.$store.getters.findChannel(message.chanId);
+			}
+
+			return messages;
+		},
+	},
+	watch: {
+		"$store.state.mentions"() {
+			this.isLoading = false;
+		},
+	},
+	mounted() {
+		this.$root.$on("mentions:toggle", this.openPopup);
+	},
+	destroyed() {
+		this.$root.$off("mentions:toggle", this.openPopup);
+	},
+	methods: {
+		messageTime(time) {
+			return dayjs(time).fromNow();
+		},
+		hideMention(message) {
+			this.$store.state.mentions.splice(
+				this.$store.state.mentions.findIndex((m) => m.msgId === message.msgId),
+				1
+			);
+
+			socket.emit("mentions:hide", message.msgId);
+		},
+		containerClick(event) {
+			if (event.currentTarget === event.target) {
+				this.isOpen = false;
+			}
+		},
+		openPopup() {
+			this.isOpen = !this.isOpen;
+
+			if (this.isOpen) {
+				this.isLoading = true;
+				socket.emit("mentions:get");
+			}
+		},
+	},
+};
+</script>
diff --git a/client/css/style.css b/client/css/style.css
index 2e54c2c9..6ae56997 100644
--- a/client/css/style.css
+++ b/client/css/style.css
@@ -283,6 +283,7 @@ p {
 
 #viewport .lt::before,
 #viewport .rt::before,
+#chat button.mentions::before,
 #chat button.menu::before,
 .channel-list-item::before,
 #footer .icon,
@@ -336,6 +337,7 @@ p {
 #viewport .lt::before { content: "\f0c9"; /* http://fontawesome.io/icon/bars/ */ }
 #viewport .rt::before { content: "\f0c0"; /* https://fontawesome.com/icons/users?style=solid */ }
 #chat button.menu::before { content: "\f142"; /* http://fontawesome.io/icon/ellipsis-v/ */ }
+#chat button.mentions::before { content: "\f1fa"; /* https://fontawesome.com/icons/at?style=solid */ }
 
 .context-menu-join::before { content: "\f067"; /* http://fontawesome.io/icon/plus/ */ }
 .context-menu-user::before { content: "\f007"; /* http://fontawesome.io/icon/user/ */ }
@@ -547,6 +549,7 @@ p {
 
 #viewport .lt,
 #viewport .rt,
+#chat button.mentions,
 #chat button.menu {
 	color: #607992;
 	display: flex;
@@ -560,6 +563,7 @@ p {
 
 #viewport .lt::before,
 #viewport .rt::before,
+#chat button.mentions::before,
 #chat button.menu::before {
 	width: 36px;
 	line-height: 36px; /* Fix alignment in Microsoft Edge */
@@ -2166,6 +2170,7 @@ part/quit messages where we don't load previews (adds a blank line otherwise) */
 	opacity: 0.5;
 }
 
+#mentions-popup-container,
 #context-menu-container {
 	position: absolute;
 	top: 0;
@@ -2176,6 +2181,7 @@ part/quit messages where we don't load previews (adds a blank line otherwise) */
 	background: transparent;
 }
 
+.mentions-popup,
 #context-menu,
 .textcomplete-menu {
 	position: absolute;
diff --git a/client/js/socket-events/index.js b/client/js/socket-events/index.js
index 0384acd2..b0b62aa2 100644
--- a/client/js/socket-events/index.js
+++ b/client/js/socket-events/index.js
@@ -24,3 +24,4 @@ import "./configuration";
 import "./changelog";
 import "./setting";
 import "./history_clear";
+import "./mentions";
diff --git a/client/js/socket-events/mentions.js b/client/js/socket-events/mentions.js
new file mode 100644
index 00000000..b70ade0b
--- /dev/null
+++ b/client/js/socket-events/mentions.js
@@ -0,0 +1,8 @@
+"use strict";
+
+import socket from "../socket";
+import store from "../store";
+
+socket.on("mentions:list", function (data) {
+	store.commit("mentions", data);
+});
diff --git a/client/js/store.js b/client/js/store.js
index 3c2ed5d3..3d336d06 100644
--- a/client/js/store.js
+++ b/client/js/store.js
@@ -26,6 +26,7 @@ const store = new Vuex.Store({
 		isAutoCompleting: false,
 		isConnected: false,
 		networks: [],
+		mentions: [],
 		hasServiceWorker: false,
 		pushNotificationState: "unsupported",
 		serverConfiguration: null,
@@ -60,6 +61,9 @@ const store = new Vuex.Store({
 		networks(state, networks) {
 			state.networks = networks;
 		},
+		mentions(state, mentions) {
+			state.mentions = mentions;
+		},
 		removeNetwork(state, networkId) {
 			state.networks.splice(
 				store.state.networks.findIndex((n) => n.uuid === networkId),
diff --git a/client/themes/morning.css b/client/themes/morning.css
index 5f4c9796..dd407335 100644
--- a/client/themes/morning.css
+++ b/client/themes/morning.css
@@ -112,6 +112,7 @@ body {
 
 #viewport .lt,
 #viewport .rt,
+#chat button.mentions,
 #chat button.menu,
 #form #submit {
 	color: #b7c5d1;
diff --git a/src/client.js b/src/client.js
index 9ee23b4d..74385db7 100644
--- a/src/client.js
+++ b/src/client.js
@@ -56,6 +56,7 @@ function Client(manager, name, config = {}) {
 		idMsg: 1,
 		name: name,
 		networks: [],
+		mentions: [],
 		manager: manager,
 		messageStorage: [],
 		highlightRegex: null,
diff --git a/src/plugins/irc-events/message.js b/src/plugins/irc-events/message.js
index e1f3f2ca..f115fc4b 100644
--- a/src/plugins/irc-events/message.js
+++ b/src/plugins/irc-events/message.js
@@ -179,5 +179,21 @@ module.exports = function (irc, network) {
 				true
 			);
 		}
+
+		// Keep track of all mentions in channels for this client
+		if (msg.highlight && chan.type === Chan.Type.CHANNEL) {
+			client.mentions.push({
+				chanId: chan.id,
+				msgId: msg.id,
+				type: msg.type,
+				time: msg.time,
+				text: msg.text,
+				from: msg.from,
+			});
+
+			if (client.mentions.length > 100) {
+				client.mentions.splice(0, client.mentions.length - 100);
+			}
+		}
 	}
 };
diff --git a/src/server.js b/src/server.js
index 0d450117..a5a08c06 100644
--- a/src/server.js
+++ b/src/server.js
@@ -536,6 +536,22 @@ function initializeClient(socket, client, token, lastMessage, openChannel) {
 		}
 	});
 
+	socket.on("mentions:get", () => {
+		socket.emit("mentions:list", client.mentions);
+	});
+
+	socket.on("mentions:hide", (msgId) => {
+		if (typeof msgId !== "number") {
+			return;
+		}
+
+		client.mentions.splice(
+			client.mentions.findIndex((m) => m.msgId === msgId),
+			1
+		);
+		// TODO: emit to other clients?
+	});
+
 	if (!Helper.config.public) {
 		socket.on("push:register", (subscription) => {
 			if (!Object.prototype.hasOwnProperty.call(client.config.sessions, token)) {