osunyorg/admin

/* global ActiveStorage, Vue */
/* eslint no-console: ["error", { allow: ["error"] }] */

Vue.DirectUploadController = function DirectUploadController (input, file, url) {
    'use strict';
    this.input = input;
    this.file = file;
    this.url = url;
    this.directUpload = new ActiveStorage.DirectUpload(this.file, this.url, this);
    this.dispatch('initialize');
};

Vue.DirectUploadController.prototype.start = function (callback) {
    'use strict';
    this.directUpload.create(function (error, blob) {
        this.dispatch('end');
        if (error) {
            console.error(error);
        } else {
            callback(blob);
        }
    }.bind(this));
};

Vue.DirectUploadController.prototype.uploadRequestDidProgress = function (event) {
    'use strict';
    var progress = event.loaded / event.total * 100;
    if (progress) {
        this.dispatch('progress', { 'progress': progress });
    }
};

Vue.DirectUploadController.prototype.dispatch = function (name, detail) {
    'use strict';
    var event = document.createEvent('Event'),
        eventName = 'direct-upload:' + name,
        eventDetail = detail || {},
        disabled = this.input.disabled;
    eventDetail.file = this.file;
    eventDetail.id = this.directUpload.id;
    event.initEvent(eventName, true, true);
    event.detail = eventDetail;

    this.input.disabled = false;
    this.input.dispatchEvent(event);
    this.input.disabled = disabled;

    return event;
};

// DirectUpload delegate

Vue.DirectUploadController.prototype.directUploadWillStoreFileWithXHR = function (xhr) {
    'use strict';
    xhr.upload.addEventListener('progress', this.uploadRequestDidProgress.bind(this));
};