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Merge pull request #1 from rstockm/Mastowall-1.0
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Mastowall 1.0
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@rstockm
rstockm authored May 19, 2023
2 parents e33a7e2 + 8a038f1 commit 2e53e46
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Showing 4 changed files with 157 additions and 170 deletions.
6 changes: 6 additions & 0 deletions config.json
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{
"navbarBrandText": "Mastowall 1.0 - written by ChatGPT4 - Prompting: Ralf Stockmann (rstockm)",
"defaultServerUrl": "https://mastodon.social",
"navbarColor": "#333355",
"includeReplies": false
}
6 changes: 2 additions & 4 deletions index.html
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Expand Up @@ -9,7 +9,7 @@
</head>
<body>
<nav class="navbar navbar-light">
<a class="navbar-brand" href="#">Mastowall 0.2 - written by ChatGPT4 - Prompting: Ralf Stockmann (rstockm)</a>
<a class="navbar-brand" href="#" id="navbar-brand"></a>
<span class="navbar-info d-none d-md-block" id="hashtag-display"></span>
</nav>

Expand Down Expand Up @@ -44,8 +44,6 @@ <h2>Welcome to the Mastowall</h2>
</div>
</div>



<div id="app-content" class="container">
<div class="row masonry-grid" id="wall"></div>
</div>
Expand All @@ -55,7 +53,7 @@ <h2>Welcome to the Mastowall</h2>
<span class="text-muted">Host your own Mastowall - check </span>
<a href="https://github.com/rstockm/mastowall" target="_blank">GitHub</a>
</div>
</footer>
</footer>

<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script src="https://unpkg.com/masonry-layout@4/dist/masonry.pkgd.min.js"></script>
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306 changes: 142 additions & 164 deletions script.js
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// The existingPosts array is used to track already displayed posts
let existingPosts = [];

// Function to calculate relative time
const timeAgo = function(date) {
let seconds = Math.floor((new Date() - date) / 1000);
let interval = seconds / 31536000;
if (interval > 1) {
return Math.floor(interval) + " years ago";
}
interval = seconds / 2592000;
if (interval > 1) {
return Math.floor(interval) + " months ago";
}
interval = seconds / 86400;
if (interval > 1) {
return Math.floor(interval) + " days ago";
}
interval = seconds / 3600;
if (interval > 1) {
return Math.floor(interval) + " hours ago";
}
interval = seconds / 60;
if (interval > 1) {
return Math.floor(interval) + " minutes ago";
// getUrlParameter helps to fetch URL parameters
function getUrlParameter(name) {
name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
var results = regex.exec(location.search);
return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
}

// secondsAgo calculates how many seconds have passed since the provided date
const secondsAgo = date => Math.floor((new Date() - date) / 1000);

// timeAgo formats the time elapsed in a human readable format
const timeAgo = function(seconds) {
// An array of intervals for years, months, days, hours, and minutes.
const intervals = [
{ limit: 31536000, text: 'years' },
{ limit: 2592000, text: 'months' },
{ limit: 86400, text: 'days' },
{ limit: 3600, text: 'hours' },
{ limit: 60, text: 'minutes' }
];

// Loop through the intervals to find which one is the best fit.
for (let interval of intervals) {
if (seconds >= interval.limit) {
return Math.floor(seconds / interval.limit) + ` ${interval.text} ago`;
}
}
return Math.floor(seconds) + " seconds ago";
}
};

// Function to update times
const updateTimes = function() {
// Find each timestamp element in the DOM
$('.card-text a').each(function() {
// Get the original date of the post
let date = new Date($(this).attr('data-time'));
let includeReplies;

// fetchConfig fetches the configuration from the config.json file
const fetchConfig = async function() {
try {
const config = await $.getJSON('config.json');
$('#navbar-brand').text(config.navbarBrandText);
$('.navbar').css('background-color', config.navbarColor);
includeReplies = config.includeReplies;
return config.defaultServerUrl;
} catch (error) {
console.error("Error loading config.json:", error);
}
}

// Calculate the new relative time
let newTimeAgo = timeAgo(date);
// fetchPosts fetches posts from the server using the given hashtag
const fetchPosts = async function(serverUrl, hashtag) {
try {
const posts = await $.get(`${serverUrl}/api/v1/timelines/tag/${hashtag}?limit=20`);
return posts;
} catch (error) {
console.error(`Error loading posts for hashtag #${hashtag}:`, error);
}
};

// Update the timestamp with the new relative time
// updateTimesOnPage updates the time information displayed for each post
const updateTimesOnPage = function() {
$('.card-text a').each(function() {
const date = new Date($(this).attr('data-time'));
const newTimeAgo = timeAgo(secondsAgo(date));
$(this).text(newTimeAgo);
});
};

// Function to get a parameter by name from URL
function getUrlParameter(name) {
name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
var results = regex.exec(location.search);
return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
}
// displayPost creates and displays a post
const displayPost = function(post) {
if (existingPosts.includes(post.id) || (!includeReplies && post.in_reply_to_id !== null)) return;

// Get hashtags from URL parameters
let hashtags = getUrlParameter('hashtags');
existingPosts.push(post.id);

// Split the hashtags string into an array
let hashtagsArray = hashtags.split(',');
let cardHTML = `
<div class="col-sm-3">
<div class="card m-2 p-2">
<div class="d-flex align-items-center mb-2">
<img src="${post.account.avatar}" class="avatar-img rounded-circle mr-2">
<p class="m-0">${post.account.display_name}</p>
</div>
${post.media_attachments[0] ? `<img src="${post.media_attachments[0].url}" class="card-img-top mb-2">` : ''}
<p class="card-text">${post.content}</p>
${post.spoiler_text ? `<p class="card-text text-muted spoiler">${post.spoiler_text}</p>` : ''}
<p class="card-text"><small class="text-muted"><a href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(secondsAgo(new Date(post.created_at)))}</a></small></p>
</div>
</div>
`;

let $card = $(cardHTML);
$('#wall').prepend($card);
$('.masonry-grid').masonry('prepended', $card);
};

// updateWall displays all posts
const updateWall = function(posts) {
if (!posts || posts.length === 0) return;

// Get server from URL parameters or use default
let server = getUrlParameter('server') || 'https://mastodon.social';
posts.sort((a, b) => new Date(a.created_at) - new Date(b.created_at));
posts.forEach(post => displayPost(post));
};

// Function to fetch posts for a given hashtag
const getPosts = function(hashtag) {
return $.get(`${server}/api/v1/timelines/tag/${hashtag}?limit=20`);
}
// updateHashtagsOnPage updates the displayed hashtags
const updateHashtagsOnPage = function(hashtagsArray) {
$('#hashtag-display').text(hashtagsArray.length > 0 ? `${hashtagsArray.map(hashtag => `#${hashtag}`).join(' ')}` : 'No hashtags set');
};

// handleHashtagDisplayClick handles the event when the hashtag display is clicked
const handleHashtagDisplayClick = function(serverUrl) {
$('#app-content').addClass('d-none');
$('#zero-state').removeClass('d-none');

// Function to fetch and display posts
const fetchAndDisplayPosts = function() {

// Fetch posts for each hashtag
$.when(...hashtagsArray.map(hashtag => getPosts(hashtag))).then(function(...hashtagPosts) {
let allPosts;

// Check if there are multiple hashtags or just one
if (hashtagsArray.length > 1) {
// If there are multiple hashtags, `hashtagPosts` is an array of arrays
// We use Array.prototype.flat() to combine them into one array
allPosts = hashtagPosts.map(postData => postData[0]).flat();
} else {
// If there's only one hashtag, `hashtagPosts` is a single array
allPosts = hashtagPosts[0];
}

// Sort the posts by date/time
allPosts.sort((a, b) => new Date(a.created_at) - new Date(b.created_at));

// Loop through the sorted posts
$.each(allPosts, function(i, post) {
// Check if the post is not already displayed and is not a mention
if (!existingPosts.includes(post.id) && post.in_reply_to_id === null) {
// Add the post id to existingPosts
existingPosts.push(post.id);

let cardHTML = `
<div class="col-sm-3">
<div class="card m-2 p-2">
<div class="d-flex align-items-center mb-2">
<img src="${post.account.avatar}" class="rounded-circle mr-2" width="50" height="50">
<h5 class="card-title m-0"><a href="${post.account.url}" target="_blank">${post.account.username}</a></h5>
</div>
<p class="card-text">${post.content}</p>
${post.media_attachments.length > 0 ? `<img src="${post.media_attachments[0].preview_url}" class="card-img-top mb-2" alt="Image">` : ''}
<p class="card-text text-right"><a href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(new Date(post.created_at))}</a></p>
</div>
</div>
`;
const currentHashtags = getUrlParameter('hashtags').split(',');

for (let i = 0; i < currentHashtags.length; i++) {
$(`#hashtag${i+1}`).val(currentHashtags[i]);
}

$('#serverUrl').val(serverUrl);
};

// Convert the HTML string into a jQuery object
let $card = $(cardHTML);
// handleHashtagFormSubmit handles the submission of the hashtag form
const handleHashtagFormSubmit = function(e, hashtagsArray) {
e.preventDefault();

// Prepend the new card to the wall
$('#wall').prepend($card);
let hashtags = [
$('#hashtag1').val(),
$('#hashtag2').val(),
$('#hashtag3').val()
];

// Refresh Masonry layout after all new cards have been added
$('.masonry-grid').masonry('prepended', $card);
}
});
hashtags = hashtags.filter(function(hashtag) {
return hashtag !== '' && /^[\w]+$/.test(hashtag);
});

let serverUrl = $('#serverUrl').val();

if (!/^https:\/\/[\w.\-]+\/?$/.test(serverUrl)) {
alert('Invalid server URL.');
return;
}

const newUrl = window.location.origin + window.location.pathname + `?hashtags=${hashtags.join(',')}&server=${serverUrl}`;

window.location.href = newUrl;
};

$(document).ready(function() {
// Initialize Masonry
// On document ready, the script configures Masonry, handles events, fetches and displays posts
$(document).ready(async function() {
const defaultServerUrl = await fetchConfig();
$('.masonry-grid').masonry({
itemSelector: '.col-sm-3',
columnWidth: '.col-sm-3',
percentPosition: true
});

// Re-arrange Masonry layout every 30 seconds
setInterval(function() {
$('.masonry-grid').masonry('layout');
}, 10000);

// Event listener for clicking on the hashtags
$('#hashtag-display').on('click', function() {
// Hide the main app content
$('#app-content').addClass('d-none');

// Show the form screen
$('#zero-state').removeClass('d-none');

// Get the current hashtags
let currentHashtags = $(this).text().split(' ');
const hashtags = getUrlParameter('hashtags');
const hashtagsArray = hashtags ? hashtags.split(',') : [];
const serverUrl = getUrlParameter('server') || defaultServerUrl;

// Pre-fill the form fields with the current hashtags
for (let i = 0; i < currentHashtags.length; i++) {
$(`#hashtag${i+1}`).val(currentHashtags[i].substring(1)); // Remove the leading '#'
}

// Pre-fill the server field with the current server
$('#serverUrl').val(server);
$('#hashtag-display').on('click', function() {
handleHashtagDisplayClick(serverUrl);
});

// Check if hashtags are provided
if (hashtagsArray[0] !== '') {
// Fetch posts for each hashtag on page load
fetchAndDisplayPosts();

// Fetch posts for each hashtag every 10 seconds
setInterval(fetchAndDisplayPosts, 10000);
if (hashtagsArray.length > 0 && hashtagsArray[0] !== '') {
const allPosts = await Promise.all(hashtagsArray.map(hashtag => fetchPosts(serverUrl, hashtag)));
updateWall(allPosts.flat());
setInterval(async function() {
const newPosts = await Promise.all(hashtagsArray.map(hashtag => fetchPosts(serverUrl, hashtag)));
updateWall(newPosts.flat());
}, 10000);
} else {
// Show the zero state and hide the app content
$('#zero-state').removeClass('d-none');
$('#app-content').addClass('d-none');
}

// Update the navbar info with the provided hashtags
$('#hashtag-display').text(`${hashtagsArray.map(hashtag => `#${hashtag}`).join(' ')}`);
updateHashtagsOnPage(hashtagsArray);


// Handle the form submit event
$('#hashtag-form').on('submit', function(e) {
// Prevent the default form submission
e.preventDefault();

// Get the entered hashtags
let hashtags = [
$('#hashtag1').val(),
$('#hashtag2').val(),
$('#hashtag3').val()
];

// Filter out any empty strings and validate hashtag format
hashtags = hashtags.filter(function(hashtag) {
return hashtag !== '' && /^[\w]+$/.test(hashtag);
});

// Get the entered server URL
let serverUrl = $('#serverUrl').val();

// Validate server URL format
if (!/^https:\/\/[\w.\-]+\/?$/.test(serverUrl)) {
alert('Invalid server URL.');
return;
}

// Create a new URL with the entered hashtags and server URL
let newUrl = window.location.origin + window.location.pathname + `?hashtags=${hashtags.join(',')}&server=${serverUrl}`;

// Reload the page with the new URL
window.location.href = newUrl;
handleHashtagFormSubmit(e, hashtagsArray);
});


// Update the times once when the page loads
updateTimes();

// Then update every 60 seconds
setInterval(updateTimes, 60000);
updateTimesOnPage();
setInterval(updateTimesOnPage, 60000);
});
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