miniflux-legacy/assets/js/src/feed.js

82 lines
2.9 KiB
JavaScript

Miniflux.Feed = (function() {
// List of feeds currently updating
var queue = [];
// Number of concurrent requests when updating all feeds
var queue_length = 5;
var updateInterval = null;
var feeds = [];
return {
Update: function(feed, callback) {
var itemsCounter = feed.querySelector("span.items-count");
if (! itemsCounter) return;
var feed_id = feed.getAttribute("data-feed-id");
var heading = feed.querySelector("h2:first-of-type");
heading.className = "loading-icon";
var request = new XMLHttpRequest();
request.onload = function() {
heading.className = "";
feed.removeAttribute("data-feed-error");
var lastChecked = feed.querySelector(".feed-last-checked");
if (lastChecked) {
lastChecked.innerHTML = lastChecked.getAttribute("data-after-update");
}
var response = JSON.parse(this.responseText);
if (response.result) {
itemsCounter.innerHTML = response.items_count.items_unread + "/" + response.items_count.items_total;
} else {
feed.setAttribute("data-feed-error", "1");
var errorMessageElement = feed.querySelector(".feed-parsing-error");
if (errorMessageElement) {
errorMessageElement.innerHTML = response.feed.parsing_error_message;
}
}
if (callback) {
callback(response);
}
else {
Miniflux.Item.CheckForUpdates();
}
};
request.open("POST", "?action=refresh-feed&feed_id=" + feed_id, true);
request.send();
},
UpdateAll: function(nb_concurrent_requests) {
feeds = Array.prototype.slice.call(document.querySelectorAll("article:not([data-feed-disabled])"));
// Check if a custom amount of concurrent requests was defined
if (nb_concurrent_requests) {
queue_length = nb_concurrent_requests;
}
updateInterval = setInterval(function () {
while (feeds.length > 0 && queue.length < queue_length) {
var feed = feeds.shift();
queue.push(parseInt(feed.getAttribute('data-feed-id'), 10));
Miniflux.Feed.Update(feed, Miniflux.Feed.OnFeedUpdated);
}
}, 100);
},
OnFeedUpdated: function(response) {
var index = queue.indexOf(response.feed_id);
if (index >= 0) queue.splice(index, 1);
if (feeds.length === 0 && queue.length === 0) {
clearInterval(updateInterval);
Miniflux.Item.CheckForUpdates();
}
}
};
})();