photochamber-webserver/static/public/js/medias.js

function MediaStorage()
{
    this.medias = [];
    this.oldest = null;
    this.newest = null;
}

MediaStorage.prototype.pushAll = function(arr) {
    for (let i of arr) {
        this.medias.push(i);
        this.oldest = !this.oldest || this.oldest.date.getTime() < i.date.getTime() ? i : this.oldest;
        this.newest = !this.newest || this.newest.date.getTime() > i.date.getTime() ? i : this.newest;
    }
}

MediaStorage.Instance = new MediaStorage();

function Media(data) {
    this.date = new Date(data.date);
    this.md5sum = data.md5sum;
    this.path = data.path;
    this.meta = data.meta || {};
    this.tags = data.tags || [];
    this.thumbnail = data.thumbnail;
}