From c076298cf08b25d7c30b9bdec6a5dfbe8387c0e8 Mon Sep 17 00:00:00 2001
From: konrad <konrad@kola-entertainments.de>
Date: Sun, 21 Feb 2021 15:13:58 +0000
Subject: [PATCH] Add notifications overview (#414)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/414
Co-authored-by: konrad <konrad@kola-entertainments.de>
Co-committed-by: konrad <konrad@kola-entertainments.de>
---
 src/components/home/topNavigation.vue         |   3 +
 .../notifications/notifications.vue           | 135 ++++++++++++++++++
 src/components/tasks/partials/heading.vue     |   7 +-
 src/helpers/parseDateOrNull.js                |   6 +
 src/models/notification.js                    |  84 +++++++++++
 src/models/notificationNames.json             |   7 +
 src/models/task.js                            |  26 ++--
 src/services/notification.js                  |  22 +++
 src/styles/components/_all.scss               |   1 +
 src/styles/components/notifications.scss      | 110 ++++++++++++++
 src/styles/theme/navigation.scss              |   1 +
 11 files changed, 385 insertions(+), 17 deletions(-)
 create mode 100644 src/components/notifications/notifications.vue
 create mode 100644 src/helpers/parseDateOrNull.js
 create mode 100644 src/models/notification.js
 create mode 100644 src/models/notificationNames.json
 create mode 100644 src/services/notification.js
 create mode 100644 src/styles/components/notifications.scss

diff --git a/src/components/home/topNavigation.vue b/src/components/home/topNavigation.vue
index 5c1f4e13f..c0c17ce32 100644
--- a/src/components/home/topNavigation.vue
+++ b/src/components/home/topNavigation.vue
@@ -37,6 +37,7 @@
 
 		<div class="navbar-end">
 			<update/>
+			<notifications/>
 			<div class="user">
 				<img :src="userAvatar" alt="" class="avatar"/>
 				<dropdown class="is-right">
@@ -86,10 +87,12 @@ import Rights from '@/models/rights.json'
 import Update from '@/components/home/update'
 import ListSettingsDropdown from '@/components/list/list-settings-dropdown'
 import Dropdown from '@/components/misc/dropdown'
+import Notifications from '@/components/notifications/notifications'
 
 export default {
 	name: 'topNavigation',
 	components: {
+		Notifications,
 		Dropdown,
 		ListSettingsDropdown,
 		Update,
diff --git a/src/components/notifications/notifications.vue b/src/components/notifications/notifications.vue
new file mode 100644
index 000000000..d1fcca478
--- /dev/null
+++ b/src/components/notifications/notifications.vue
@@ -0,0 +1,135 @@
+<template>
+	<div class="notifications">
+		<a @click.stop="showNotifications = !showNotifications" class="trigger">
+			<span class="unread-indicator" v-if="unreadNotifications > 0"></span>
+			<icon icon="bell"/>
+		</a>
+
+		<transition name="fade">
+			<div class="notifications-list" v-if="showNotifications" ref="popup">
+				<span class="head">Notifications</span>
+				<div
+					v-for="(n, index) in notifications"
+					:key="n.id"
+					class="single-notification"
+				>
+					<div class="read-indicator" :class="{'read': n.readAt !== null}"></div>
+					<user
+						:user="n.notification.doer"
+						:show-username="true"
+						:avatar-size="16"
+						v-if="n.notification.doer"/>
+					<span class="detail">
+						<a @click="() => to(n, index)()">
+							{{ n.toText(userInfo) }}
+						</a>
+						<span class="created" v-tooltip="formatDate(n.created)">
+							{{ formatDateSince(n.created) }}
+						</span>
+					</span>
+				</div>
+				<p class="nothing" v-if="notifications.length === 0">
+					You don't have any notifications. Have a nice day!<br/>
+					<span class="explainer">
+						Notifications will appear here when actions on namespaces, lists or tasks you subscribed to happen.
+					</span>
+				</p>
+			</div>
+		</transition>
+	</div>
+</template>
+
+<script>
+import NotificationService from '@/services/notification'
+import User from '@/components/misc/user'
+import names from '@/models/notificationNames.json'
+import {closeWhenClickedOutside} from '@/helpers/closeWhenClickedOutside'
+import {mapState} from 'vuex'
+
+export default {
+	name: 'notifications',
+	components: {User},
+	data() {
+		return {
+			notificationService: NotificationService,
+			notifications: [],
+			showNotifications: false,
+			interval: null,
+		}
+	},
+	created() {
+		this.notificationService = new NotificationService()
+	},
+	mounted() {
+		this.loadNotifications()
+		document.addEventListener('click', this.hidePopup)
+		this.interval = setInterval(this.loadNotifications, 10000)
+	},
+	beforeDestroy() {
+		document.removeEventListener('click', this.hidePopup)
+		clearInterval(this.interval)
+	},
+	computed: {
+		unreadNotifications() {
+			return this.notifications.filter(n => n.readAt === null).length
+		},
+		...mapState({
+			userInfo: state => state.auth.info,
+		}),
+	},
+	methods: {
+		hidePopup(e) {
+			if (this.showNotifications) {
+				closeWhenClickedOutside(e, this.$refs.popup, () => this.showNotifications = false)
+			}
+		},
+		loadNotifications() {
+			this.notificationService.getAll()
+				.then(r => {
+					this.$set(this, 'notifications', r)
+				})
+				.catch(e => {
+					this.error(e, this)
+				})
+		},
+		to(n, index) {
+			const to = {
+				name: '',
+				params: {},
+			}
+
+			switch (n.name) {
+				case names.TASK_COMMENT:
+				case names.TASK_ASSIGNED:
+					to.name = 'task.detail'
+					to.params.id = n.notification.task.id
+					break
+				case names.TASK_DELETED:
+					// Nothing
+					break
+				case names.LIST_CREATED:
+					to.name = 'task.index'
+					to.params.listId = n.notification.list.id
+					break
+				case names.TEAM_MEMBER_ADDED:
+					to.name = 'teams.edit'
+					to.params.id = n.notification.team.id
+					break
+			}
+
+			return () => {
+				if (to.name !== '') {
+					this.$router.push(to)
+				}
+
+				n.read = true
+				this.notificationService.update(n)
+					.then(r => {
+						this.$set(this.notifications, index, r)
+					})
+					.catch(e => this.error(e, this))
+			}
+		},
+	},
+}
+</script>
diff --git a/src/components/tasks/partials/heading.vue b/src/components/tasks/partials/heading.vue
index ac10fd51e..04b748a57 100644
--- a/src/components/tasks/partials/heading.vue
+++ b/src/components/tasks/partials/heading.vue
@@ -1,10 +1,7 @@
 <template>
 	<div class="heading">
-		<h1 class="title task-id" v-if="task.identifier === ''">
-			#{{ task.index }}
-		</h1>
-		<h1 class="title task-id" v-else>
-			{{ task.identifier }}
+		<h1 class="title task-id">
+			{{ task.getTextIdentifier() }}
 		</h1>
 		<div class="is-done" v-if="task.done">Done</div>
 		<h1
diff --git a/src/helpers/parseDateOrNull.js b/src/helpers/parseDateOrNull.js
new file mode 100644
index 000000000..08022e8a8
--- /dev/null
+++ b/src/helpers/parseDateOrNull.js
@@ -0,0 +1,6 @@
+export const parseDateOrNull = date => {
+	if (date && !date.startsWith('0001')) {
+		return new Date(date)
+	}
+	return null
+}
diff --git a/src/models/notification.js b/src/models/notification.js
new file mode 100644
index 000000000..779cb7fbd
--- /dev/null
+++ b/src/models/notification.js
@@ -0,0 +1,84 @@
+import AbstractModel from '@/models/abstractModel'
+import {parseDateOrNull} from '@/helpers/parseDateOrNull'
+import UserModel from '@/models/user'
+import TaskModel from '@/models/task'
+import TaskCommentModel from '@/models/taskComment'
+import ListModel from '@/models/list'
+import TeamModel from '@/models/team'
+import names from './notificationNames.json'
+
+export default class NotificationModel extends AbstractModel {
+	constructor(data) {
+		super(data)
+
+		switch (this.name) {
+			case names.TASK_COMMENT:
+				this.notification.doer = new UserModel(this.notification.doer)
+				this.notification.task = new TaskModel(this.notification.task)
+				this.notification.comment = new TaskCommentModel(this.notification.comment)
+				break
+			case names.TASK_ASSIGNED:
+				this.notification.doer = new UserModel(this.notification.doer)
+				this.notification.task = new TaskModel(this.notification.task)
+				this.notification.assignee = new UserModel(this.notification.assignee)
+				break
+			case names.TASK_DELETED:
+				this.notification.doer = new UserModel(this.notification.doer)
+				this.notification.task = new TaskModel(this.notification.task)
+				break
+			case names.LIST_CREATED:
+				this.notification.doer = new UserModel(this.notification.doer)
+				this.notification.list = new ListModel(this.notification.list)
+				break
+			case names.TEAM_MEMBER_ADDED:
+				this.notification.doer = new UserModel(this.notification.doer)
+				this.notification.member = new UserModel(this.notification.member)
+				this.notification.team = new TeamModel(this.notification.team)
+				break
+		}
+
+		this.created = new Date(this.created)
+		this.readAt = parseDateOrNull(this.readAt)
+	}
+
+	defaults() {
+		return {
+			id: 0,
+			name: '',
+			notification: null,
+			read: false,
+			readAt: null,
+		}
+	}
+
+	toText(user = null) {
+		let who = ''
+
+		switch (this.name) {
+			case names.TASK_COMMENT:
+				return `commented on ${this.notification.task.getTextIdentifier()}`
+			case names.TASK_ASSIGNED:
+				who = `${this.notification.assignee.getDisplayName()}`
+
+				if (user !== null && user.id === this.notification.assignee.id) {
+					who = 'you'
+				}
+
+				return `assigned ${who} to ${this.notification.task.getTextIdentifier()}`
+			case names.TASK_DELETED:
+				return `deleted ${this.notification.task.getTextIdentifier()}`
+			case names.LIST_CREATED:
+				return `created ${this.notification.list.title}`
+			case names.TEAM_MEMBER_ADDED:
+				who = `${this.notification.member.getDisplayName()}`
+
+				if (user !== null && user.id === this.notification.memeber.id) {
+					who = 'you'
+				}
+
+				return `added ${who} to the ${this.notification.team.title} team`
+		}
+
+		return ''
+	}
+}
diff --git a/src/models/notificationNames.json b/src/models/notificationNames.json
new file mode 100644
index 000000000..62260fe34
--- /dev/null
+++ b/src/models/notificationNames.json
@@ -0,0 +1,7 @@
+{
+  "TASK_COMMENT": "task.comment",
+  "TASK_ASSIGNED": "task.assigned",
+  "TASK_DELETED": "task.deleted",
+  "LIST_CREATED": "list.created",
+  "TEAM_MEMBER_ADDED": "team.member.added"
+}
\ No newline at end of file
diff --git a/src/models/task.js b/src/models/task.js
index d6385d506..9ef7fab68 100644
--- a/src/models/task.js
+++ b/src/models/task.js
@@ -3,13 +3,7 @@ import UserModel from './user'
 import LabelModel from './label'
 import AttachmentModel from './attachment'
 import SubscriptionModel from '@/models/subscription'
-
-const parseDate = date => {
-	if (date && !date.startsWith('0001')) {
-		return new Date(date)
-	}
-	return null
-}
+import {parseDateOrNull} from '@/helpers/parseDateOrNull'
 
 export default class TaskModel extends AbstractModel {
 
@@ -22,10 +16,10 @@ export default class TaskModel extends AbstractModel {
 		this.listId = Number(this.listId)
 
 		// Make date objects from timestamps
-		this.dueDate = parseDate(this.dueDate)
-		this.startDate = parseDate(this.startDate)
-		this.endDate = parseDate(this.endDate)
-		this.doneAt = parseDate(this.doneAt)
+		this.dueDate = parseDateOrNull(this.dueDate)
+		this.startDate = parseDateOrNull(this.startDate)
+		this.endDate = parseDateOrNull(this.endDate)
+		this.doneAt = parseDateOrNull(this.doneAt)
 
 		// Cancel all scheduled notifications for this task to be sure to only have available notifications
 		this.cancelScheduledNotifications()
@@ -76,7 +70,7 @@ export default class TaskModel extends AbstractModel {
 			this.identifier = ''
 		}
 
-		if(typeof this.subscription !== 'undefined' && this.subscription !== null) {
+		if (typeof this.subscription !== 'undefined' && this.subscription !== null) {
 			this.subscription = new SubscriptionModel(this.subscription)
 		}
 
@@ -119,6 +113,14 @@ export default class TaskModel extends AbstractModel {
 		}
 	}
 
+	getTextIdentifier() {
+		if(this.identifier === '') {
+			return `#${this.index}`
+		}
+
+		return this.identifier
+	}
+
 	/////////////////
 	// Helper functions
 	///////////////
diff --git a/src/services/notification.js b/src/services/notification.js
new file mode 100644
index 000000000..ff21251f3
--- /dev/null
+++ b/src/services/notification.js
@@ -0,0 +1,22 @@
+import AbstractService from '@/services/abstractService'
+import {formatISO} from 'date-fns'
+import NotificationModel from '@/models/notification'
+
+export default class NotificationService extends AbstractService {
+	constructor() {
+		super({
+			getAll: '/notifications',
+			update: '/notifications/{id}',
+		})
+	}
+
+	modelFactory(data) {
+		return new NotificationModel(data)
+	}
+
+	beforeUpdate(model) {
+		model.created = formatISO(new Date(model.created))
+		model.readAt = formatISO(new Date(model.readAt))
+		return model
+	}
+}
\ No newline at end of file
diff --git a/src/styles/components/_all.scss b/src/styles/components/_all.scss
index 345cf7761..4a1720de2 100644
--- a/src/styles/components/_all.scss
+++ b/src/styles/components/_all.scss
@@ -22,3 +22,4 @@
 @import 'keyboard-shortcuts';
 @import 'api-config';
 @import 'datepicker';
+@import 'notifications';
diff --git a/src/styles/components/notifications.scss b/src/styles/components/notifications.scss
new file mode 100644
index 000000000..b3adbccb0
--- /dev/null
+++ b/src/styles/components/notifications.scss
@@ -0,0 +1,110 @@
+.notifications {
+	width: 50px;
+
+	.trigger {
+		cursor: pointer;
+		color: $grey-400;
+		padding: 1rem;
+		font-size: 1.25rem;
+		position: relative;
+
+		.unread-indicator {
+			position: absolute;
+			top: 1rem;
+			right: .75rem;
+			width: .75rem;
+			height: .75rem;
+
+			background: $primary;
+			border-radius: 100%;
+			border: 2px solid $white;
+		}
+	}
+
+	.notifications-list {
+		position: fixed;
+		right: 1rem;
+		margin-top: 1rem;
+		max-height: 400px;
+		overflow-y: auto;
+
+		background: $white;
+		width: 350px;
+		max-width: calc(100vw - 2rem);
+		padding: .75rem .25rem;
+		border-radius: $radius;
+		box-shadow: $shadow-sm;
+		font-size: .85rem;
+
+		@media screen and (max-width: $tablet) {
+			max-height: calc(100vh - 1rem - #{$navbar-height});
+		}
+
+		.head {
+			font-family: $vikunja-font;
+			font-size: 1rem;
+			padding: .5rem;
+		}
+
+		.single-notification {
+			display: flex;
+			align-items: center;
+
+			transition: background-color $transition;
+
+			&:hover {
+				background: $grey-100;
+				border-radius: $radius;
+			}
+
+			.read-indicator {
+				width: .35rem;
+				height: .35rem;
+				background: $primary;
+				border-radius: 100%;
+				margin-left: .5rem;
+
+				&.read {
+					background: transparent;
+				}
+			}
+
+			.user {
+				display: flex;
+				align-items: center;
+				width: auto;
+				margin-right: .25rem;
+
+				span {
+					font-family: $family-sans-serif;
+				}
+
+				.avatar {
+					height: 16px;
+				}
+			}
+
+			.detail .created {
+				color: $grey-400;
+			}
+
+			&:last-child {
+				margin-bottom: .25rem;
+			}
+
+			a {
+				color: $grey-800;
+			}
+		}
+
+		.nothing {
+			text-align: center;
+			padding: 1rem 0;
+			color: $grey-500;
+
+			.explainer {
+				font-size: .75rem;
+			}
+		}
+	}
+}
diff --git a/src/styles/theme/navigation.scss b/src/styles/theme/navigation.scss
index db98fedd6..cd327d2f5 100644
--- a/src/styles/theme/navigation.scss
+++ b/src/styles/theme/navigation.scss
@@ -29,6 +29,7 @@
   .navbar-end {
     margin-left: 0;
     align-items: center;
+    display: flex;
   }
 
   @media screen and (max-width: $desktop) {