asciiflow2/js-lib/drive-controller.js

138 lines
3.7 KiB
JavaScript

/** @const */
var CLIENT_ID = '125643747010-9s9n1ne2fnnuh5v967licfkt83r4vba5.apps.googleusercontent.com';
/** @const */
var SCOPES = 'https://www.googleapis.com/auth/drive';
/** @const */
var DEVELOPER_KEY = 'AIzaSyBbKO_v9p-G9StQjYmtUYLP6Px4MkGions';
/**
*
* @constructor
*/
ascii.DriveController = function(state) {
/** @type {ascii.State} */
this.state = state;
// This is a file resource, as defined by the Drive API.
/** @type {Object} */
this.file = null;
$('#save-button').click(function(e) {
this.save();
}.bind(this));
};
/**
* Check if the current user has authorized the application.
*/
ascii.DriveController.prototype.checkAuth = function(callback) {
window['gapi']['auth']['authorize']({
'client_id': CLIENT_ID,
'scope': SCOPES,
'immediate': true},
function(result) {
if (result && !result.error) {
callback(true);
} else {
window['gapi']['auth']['authorize']({
'client_id': CLIENT_ID,
'scope': SCOPES,
'immediate': false},
function(result) {
callback(result && !result.error);
});
}
});
};
/**
* Handles a file resource being returned from Drive.
*/
ascii.DriveController.prototype.handleFile = function(file) {
this.file = file;
$('#drive-filename').text(file['title']);
$('#drive-filename')['editable'](function(value, settings) {
this.file['title'] = value;
this.save();
// Remove the event handler.
$('#drive-filename').off();
return value;
}.bind(this),
{
type : 'text',
submit : 'OK',
});
};
/**
* Loads the picker.
* TODO: Implement this...
*/
ascii.DriveController.prototype.load = function() {
/*
window['gapi']['client']['load']('picker',
{'callback': function() {
var picker = new window['google']['picker']['PickerBuilder']().
addView(google.picker.ViewId.PHOTOS).
setOAuthToken(oauthToken).
setDeveloperKey(developerKey).
setCallback(pickerCallback).
build();
picker.setVisible(true);
}});
*/
};
/**
* Saves the current diagram to drive.
*/
ascii.DriveController.prototype.save = function() {
window['gapi']['client']['load']('drive', 'v2', function() {
this.checkAuth(function(authed) {
if (authed) {
this.getSaveRequest().execute(function(result) {
this.handleFile(result);
}.bind(this));
}
}.bind(this))
}.bind(this));
};
ascii.DriveController.prototype.getSaveRequest = function() {
var text = this.state.outputText();
var boundary = '-------314159265358979323846';
var delimiter = "\r\n--" + boundary + "\r\n";
var close_delim = "\r\n--" + boundary + "--";
var title = this.file == null ? 'Untitled ASCII Diagram' : this.file['title'];
var metadata = {
'title': title,
'mimeType': 'text/plain'
};
var multipartRequestBody =
delimiter +
'Content-Type: application/json\r\n\r\n' +
JSON.stringify(metadata) +
delimiter +
'Content-Type: ' + 'text/plain' + '\r\n' +
'\r\n' +
text +
close_delim;
// Choose upload path and method depending on whether we have create a file already.
var fileId = this.file == null ? '' : '/' + this.file['id'];
var method = this.file == null ? 'POST' : 'PUT';
return window['gapi']['client']['request']({
'path': '/upload/drive/v2/files' + fileId,
'method': method,
'params': {'uploadType': 'multipart'},
'headers': {
'Content-Type': 'multipart/mixed; boundary="' + boundary + '"'
},
'body': multipartRequestBody});
};