mirror of
https://gitlab.com/animath/si/plateforme.git
synced 2024-12-26 07:02:24 +00:00
370 lines
12 KiB
JavaScript
370 lines
12 KiB
JavaScript
(async () => {
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// check notification permission
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// This is useful to alert people that they should do something
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await Notification.requestPermission()
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})()
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const MAX_MESSAGES = 50
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const channel_categories = ['general', 'tournament', 'team', 'private']
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let channels = {}
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let messages = {}
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let selected_channel_id = null
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/**
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* Display a new notification with the given title and the given body.
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* @param title The title of the notification
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* @param body The body of the notification
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* @param timeout The time (in milliseconds) after that the notification automatically closes. 0 to make indefinite. Default to 5000 ms.
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* @return Notification
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*/
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function showNotification(title, body, timeout = 5000) {
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Notification.requestPermission().then((status) => {
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if (status === 'granted')
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new Notification(title, {'body': body, 'icon': "/static/tfjm-192.png"})
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})
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}
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function selectChannel(channel_id) {
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let channel = channels[channel_id]
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if (!channel) {
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console.error('Channel not found:', channel_id)
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return
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}
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selected_channel_id = channel_id
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window.history.replaceState({}, null, `#channel-${channel['id']}`)
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let channelTitle = document.getElementById('channel-title')
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channelTitle.innerText = channel['name']
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let messageInput = document.getElementById('input-message')
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messageInput.disabled = !channel['write_access']
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redrawMessages()
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}
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function sendMessage() {
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let messageInput = document.getElementById('input-message')
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let message = messageInput.value
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messageInput.value = ''
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if (!message) {
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return
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}
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socket.send(JSON.stringify({
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'type': 'send_message',
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'channel_id': selected_channel_id,
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'content': message,
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}))
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}
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function setChannels(new_channels) {
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channels = {}
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let categoryLists = {}
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for (let category of channel_categories) {
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categoryLists[category] = document.getElementById(`nav-${category}-channels-tab`)
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categoryLists[category].innerHTML = ''
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categoryLists[category].parentElement.classList.add('d-none')
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}
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for (let channel of new_channels) {
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channels[channel['id']] = channel
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if (!messages[channel['id']])
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messages[channel['id']] = new Map()
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let categoryList = categoryLists[channel['category']]
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categoryList.parentElement.classList.remove('d-none')
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let navItem = document.createElement('li')
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navItem.classList.add('list-group-item')
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navItem.id = `tab-channel-${channel['id']}`
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navItem.setAttribute('data-bs-dismiss', 'offcanvas')
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navItem.onclick = () => selectChannel(channel['id'])
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categoryList.appendChild(navItem)
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let channelButton = document.createElement('button')
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channelButton.classList.add('nav-link')
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channelButton.type = 'button'
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channelButton.innerText = channel['name']
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navItem.appendChild(channelButton)
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fetchMessages(channel['id'])
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}
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if (new_channels && (!selected_channel_id || !channels[selected_channel_id])) {
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if (window.location.hash) {
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let channel_id = parseInt(window.location.hash.substring(9))
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if (channels[channel_id])
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selectChannel(channel_id)
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else
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selectChannel(Object.keys(channels)[0])
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}
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else
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selectChannel(Object.keys(channels)[0])
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}
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}
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function receiveMessage(message) {
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let scrollableContent = document.getElementById('chat-messages')
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let isScrolledToBottom = scrollableContent.scrollHeight - scrollableContent.clientHeight <= scrollableContent.scrollTop + 1
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messages[message['channel_id']].set(message['id'], message)
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redrawMessages()
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// Scroll to bottom if the user was already at the bottom
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if (isScrolledToBottom)
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scrollableContent.scrollTop = scrollableContent.scrollHeight - scrollableContent.clientHeight
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if (message['content'].includes("@everyone"))
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showNotification(channels[message['channel_id']]['name'], `${message['author']} : ${message['content']}`)
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}
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function fetchMessages(channel_id, offset = 0, limit = MAX_MESSAGES) {
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socket.send(JSON.stringify({
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'type': 'fetch_messages',
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'channel_id': channel_id,
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'offset': offset,
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'limit': limit,
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}))
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}
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function fetchPreviousMessages() {
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let channel_id = selected_channel_id
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let offset = messages[channel_id].size
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fetchMessages(channel_id, offset, MAX_MESSAGES)
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}
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function receiveFetchedMessages(data) {
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let channel_id = data['channel_id']
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let new_messages = data['messages']
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if (!messages[channel_id])
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messages[channel_id] = new Map()
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for (let message of new_messages)
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messages[channel_id].set(message['id'], message)
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// Sort messages by timestamp
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messages[channel_id] = new Map([...messages[channel_id].values()]
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.sort((a, b) => new Date(a['timestamp']) - new Date(b['timestamp']))
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.map(message => [message['id'], message]))
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redrawMessages()
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}
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function startPrivateChat(data) {
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let channel = data['channel']
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if (!channel) {
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console.error('Private chat not found:', data)
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return
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}
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if (!channels[channel['id']]) {
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channels[channel['id']] = channel
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messages[channel['id']] = new Map()
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setChannels(Object.values(channels))
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}
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selectChannel(channel['id'])
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}
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function redrawMessages() {
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let messageList = document.getElementById('message-list')
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messageList.innerHTML = ''
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let lastMessage = null
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let lastContentDiv = null
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for (let message of messages[selected_channel_id].values()) {
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if (lastMessage && lastMessage['author'] === message['author']) {
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let lastTimestamp = new Date(lastMessage['timestamp'])
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let newTimestamp = new Date(message['timestamp'])
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if ((newTimestamp - lastTimestamp) / 1000 < 60 * 10) {
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let messageContentDiv = document.createElement('div')
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messageContentDiv.innerText = message['content']
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lastContentDiv.appendChild(messageContentDiv)
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continue
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}
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}
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let messageElement = document.createElement('li')
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messageElement.classList.add('list-group-item')
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messageList.appendChild(messageElement)
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let authorDiv = document.createElement('div')
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messageElement.appendChild(authorDiv)
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let authorSpan = document.createElement('span')
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authorSpan.classList.add('text-muted', 'fw-bold')
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authorSpan.innerText = message['author']
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authorDiv.appendChild(authorSpan)
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authorSpan.addEventListener('contextmenu', (menu_event) => {
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menu_event.preventDefault()
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const popover = bootstrap.Popover.getOrCreateInstance(authorSpan, {
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'title': message['author'],
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'content': `<a id="send-private-message-link-${message['id']}" class="nav-link" href="#" tabindex="0">Envoyer un message privé</a>`,
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'html': true,
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'placement': "bottom",
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})
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popover.show()
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document.getElementById('send-private-message-link-' + message['id']).addEventListener('click', event => {
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event.preventDefault()
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popover.hide()
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socket.send(JSON.stringify({
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'type': 'start_private_chat',
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'user_id': message['author_id'],
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}))
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})
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})
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let dateSpan = document.createElement('span')
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dateSpan.classList.add('text-muted', 'float-end')
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dateSpan.innerText = new Date(message['timestamp']).toLocaleString()
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authorDiv.appendChild(dateSpan)
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let contentDiv = document.createElement('div')
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messageElement.appendChild(contentDiv)
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let messageContentDiv = document.createElement('div')
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messageContentDiv.innerText = message['content']
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contentDiv.appendChild(messageContentDiv)
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lastMessage = message
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lastContentDiv = contentDiv
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}
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let fetchMoreButton = document.getElementById('fetch-previous-messages')
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if (!messages[selected_channel_id].size || messages[selected_channel_id].size % MAX_MESSAGES !== 0)
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fetchMoreButton.classList.add('d-none')
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else
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fetchMoreButton.classList.remove('d-none')
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}
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function toggleFullscreen() {
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let chatContainer = document.getElementById('chat-container')
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if (!chatContainer.getAttribute('data-fullscreen')) {
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chatContainer.setAttribute('data-fullscreen', 'true')
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chatContainer.classList.add('position-absolute', 'top-0', 'start-0', 'vh-100', 'z-3')
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window.history.replaceState({}, null, `?fullscreen=1#channel-${selected_channel_id}`)
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}
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else {
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chatContainer.removeAttribute('data-fullscreen')
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chatContainer.classList.remove('position-absolute', 'top-0', 'start-0', 'vh-100', 'z-3')
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window.history.replaceState({}, null, `?fullscreen=0#channel-${selected_channel_id}`)
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}
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}
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document.addEventListener('DOMContentLoaded', () => {
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/**
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* Process the received data from the server.
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* @param data The received message
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*/
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function processMessage(data) {
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switch (data['type']) {
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case 'fetch_channels':
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setChannels(data['channels'])
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break
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case 'send_message':
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receiveMessage(data)
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break
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case 'fetch_messages':
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receiveFetchedMessages(data)
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break
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case 'start_private_chat':
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startPrivateChat(data)
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break
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default:
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console.log(data)
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console.error('Unknown message type:', data['type'])
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break
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}
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}
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function setupSocket(nextDelay = 1000) {
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// Open a global websocket
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socket = new WebSocket(
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(document.location.protocol === 'https:' ? 'wss' : 'ws') + '://' + window.location.host + '/ws/chat/'
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)
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let socketOpen = false
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// Listen on websockets and process messages from the server
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socket.addEventListener('message', e => {
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// Parse received data as JSON
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const data = JSON.parse(e.data)
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processMessage(data)
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})
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// Manage errors
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socket.addEventListener('close', e => {
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console.error('Chat socket closed unexpectedly, restarting…')
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setTimeout(() => setupSocket(socketOpen ? 1000 : 2 * nextDelay), nextDelay)
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})
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socket.addEventListener('open', e => {
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socketOpen = true
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socket.send(JSON.stringify({
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'type': 'fetch_channels',
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}))
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})
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}
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function setupSwipeOffscreen() {
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const offcanvas = new bootstrap.Offcanvas(document.getElementById('channelSelector'))
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let lastX = null
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document.addEventListener('touchstart', (event) => {
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if (event.touches.length === 1)
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lastX = event.touches[0].clientX
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})
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document.addEventListener('touchmove', (event) => {
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if (event.touches.length === 1 && lastX !== null) {
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const diff = event.touches[0].clientX - lastX
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if (diff > window.innerWidth / 10 && lastX < window.innerWidth / 4) {
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offcanvas.show()
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lastX = null
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}
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else if (diff < -window.innerWidth / 10) {
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offcanvas.hide()
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lastX = null
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}
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}
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})
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document.addEventListener('touchend', () => {
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lastX = null
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})
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}
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function setupPWAPrompt() {
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let deferredPrompt = null
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window.addEventListener("beforeinstallprompt", (e) => {
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e.preventDefault()
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deferredPrompt = e
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let btn = document.getElementById('install-app-home-screen')
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let alert = document.getElementById('alert-download-chat-app')
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btn.classList.remove('d-none')
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alert.classList.remove('d-none')
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btn.onclick = function () {
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deferredPrompt.prompt()
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deferredPrompt.userChoice.then((choiceResult) => {
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if (choiceResult.outcome === 'accepted') {
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deferredPrompt = null
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btn.classList.add('d-none')
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alert.classList.add('d-none')
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}
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})
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}
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})
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}
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setupSocket()
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setupSwipeOffscreen()
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setupPWAPrompt()
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})
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