/app/models/upload/upload-req.js

//----

// Copyright (c) 2010-2011 hankei6km

// License: MIT License (http://opensource.org/licenses/mit-license.php)

//----

var UploadReq = Class.create({

	initialize: function(){

	},

	imageUploadSettings: {

		providerMethod: "GET",

		providerAction: "https://api.twitter.com/1/account/verify_credentials.json",

		apiKey: "ca611a17f58706682c325d9dd8c45a03",

		api: {

			upload: {

				method: "POST",

				url: "http://api.twitpic.com/2/upload.json"

			}

		}

	},

	

	// == DownloadManager関連の操作 =====================

	// タイムアウトの制御、キャンセルなどを行う

	// =================================================

	uploadRequest: function(target, inParams){

		var params = Object.extend({

			onSuccess: function(transport){

			},

			onFailure: function(transport, errText){

			},

			onComplete: function(){

			},

			//timeout: 2 //アップロードは60分 -> は多すぎか？  ※※※いまテストで値を小さくしてある。あとで直すこと

			timeout: 3600 //アップロードは60分 -> は多すぎか？

		}, inParams ||

		{});

		

		var onComplete = function(transport){

			this.uploadRequestComplete(params, timeoutId, transport);

		}.bind(this);

		params.uploadComplete = onComplete; //onSuccessなどで実行される

		params.uploadProgress = this.uploadProgress.bind(this.params);

		

		var req = new Mojo.Service.Request("palm://com.palm.downloadmanager", {

			method: "upload",

			parameters: {

				fileName: params.parameters.media,

				url: target,

				fileLabel: "media", //この指定がpostParametersのkeyに相当する？

				postParameters: [{

					key: "key",

					data: params.parameters.key

				}, {

					key: "message",

					data: params.parameters.message

				}],

				customHttpHeaders: params.requestHeaders,

				subscribe: true

			},

			onSuccess: this.uploadRequestSuccess.bind(this, params),

			onFailure: this.uploadRequestFailure.bind(this, params)

		});

		

		//タイムアウトを設定する(downloadmanagerのタイムアウト設定方法がわからなかったので、独自に処理を入れる)

		//とりあえず60分で様子を見る。

		var timeoutId = window.setTimeout(this.uploadRequestTimeout.bind(this, req, params), 1000 * params.timeout);

		

		return this.uploadRequestAbort.bind(this, req, params);

		

	},

	uploadRequestAbort: function(req, params){

		//Mojo.Log.info("+++++ uploadRequestAbort params.ticket:" + params.ticket)

		//params.ticketはuploadのonSuccessで受け取っている

		if (params.ticket) {

			var cancelReq = new Mojo.Service.Request('palm://com.palm.downloadmanager/', {

				method: 'cancelDownload',

				parameters: {

					"ticket": params.ticket

				},

				onSuccess: function(resp){

					//uploadメソッドのonCompleteが動くので、ここはとくになにもしない。

				},

				onFailure: function(e){

					this.uploadRequestFailure(params, e);

				}

			});

		}

		

		//req.cancel(); //serviceを使っている

	},

	

	uploadRequestTimeout: function(req, params){

		//Mojo.Log.info("+++++ uploadRequestTimeout ")

		this.uploadRequestFailure(params, {

			httpCode: this.err.timeOutError.status,

			responseString: this.err.timeOutError.text

		}, this.err.timeOutError.text);

		this.uploadRequestAbort(req, params);

	},

	

	uploadRequestTimeoutClear: function(timeoutId){

		if (timeoutId != undefined) {

			//Mojo.Log.info("+++++ timeout clear")

			window.clearTimeout(timeoutId);

		}

	},

	//--

	uploadProgress: function(params, resp){

	

	},

	//----

	uploadRequestSuccess: function(params, resp){

		//Mojo.Log.info("----upload success:" + Object.toJSON(resp));

		if (resp.completed) {

			if (resp.completionCode == 0 && resp.httpCode == 200) {

				params.onSuccess({

					status: resp.httpCode,

					responseText: resp.responseString

				});

				params.uploadComplete({

					status: resp.httpCode,

					responseText: resp.responseString

				});//完了したのでonComplete実行

			} else if (resp.httpCode == 0) {

				//resp.completionCodeが0以外でもresp.httpCodeが0ならおそらくキャンセルなどと思われるのでfailureにはしない

				params.uploadComplete({

					status: resp.httpCode,

					responseText: resp.responseString

				});//0のときはonCompleteのみ実行

			} else {

				this.uploadRequestFailure(params, resp);

			}

		} else {

			if (resp.httpCode == undefined && !params.ticket) {

				//ticketを持っていないので、upload開始直後

				params.ticket = resp.ticket;

				//StatusQueryを開始する(現状では使えない->DevForumを見ると要望はあがっているようなので残しておく)

				//params.progressReq = new Mojo.Service.Request('palm://com.palm.downloadmanager/', {

				//	method: 'downloadStatusQuery',

				//	parameters: {"ticket": params.ticket,},

				//	onSuccess: function(resp){},

				//	onFailure: function(e){}

				//});

			} else {

				if (resp.httpCode == 0) {

					//resp.completionCodeが0以外でもresp.httpCodeが0ならおそらくキャンセルなどと思われるのでfailureにはしない

					params.uploadComplete({

						status: resp.httpCode,

						responseText: resp.responseString

					});//0のときはonCompleteのみ実行

				} else {

					this.uploadRequestFailure(params, resp);

				}

			}

		}

	},

	uploadRequestFailure: function(params, e){

		//Mojo.Log.info("====upload failure:" + Object.toJSON(e));

		var errText = this.getErrorText(e.responseString); //errors要素からのテキストを取り出す

		params.onFailure({

			status: e.httpCode,

			responseText: e.responseString

		}, errText);

		params.uploadComplete({

			status: e.httpCode,

			responseText: e.responseString

		});//完了したのでonComplete実行

	},

	uploadRequestComplete: function(params, timeoutId, transport){

		//Mojo.Log.info("+++++ uploadRequestComplete")

		//reqを削除して、通信状態を解除する

		this.uploadRequestTimeoutClear(timeoutId);

		if (params.progressReq != undefined) {

			params.progressReq.cancel();

		}

		params.onComplete();

	},

	// == OAuth echo関連の操作 ===========================

	// 署名されたtargetからOAuth echo用にヘッダ組み立て直しなど

	// =================================================

	splitParameters: function(target){

		//parametersを切り分ける

		var ret = {};

		var tstr = target.split("?");

		var ptbl = tstr[1].split("&");

		for (var idx = 0; idx < ptbl.length; idx++) {

			pstr = ptbl[idx].split("=");

			ret[pstr[0]] = pstr[1];

		}

		return ret;

	},

	getRequestHeaders: function(tParameters){

		requestHeaders = new Array(0);

		

		//X-Verify-Credentials-Authorizationの処理

		var XVerifyCredentialsAuthorizationTbl = ["oauth_consumer_key", "oauth_signature_method", "oauth_token", "oauth_timestamp", "oauth_nonce", "oauth_version", "oauth_signature"];

		var dParameters = 'OAuth realm="http://api.twitter.com/",';

		for (var idx = 0; idx < XVerifyCredentialsAuthorizationTbl.length; idx++) {

			var p = XVerifyCredentialsAuthorizationTbl[idx];

			var val = tParameters[p];

			if (val) {

				dParameters = dParameters + p + '="' + val + '"';

			}

			dParameters = dParameters + ",";

		}

		dParameters = dParameters.replace(/,$/, "");

		requestHeaders.push("X-Verify-Credentials-Authorization: " + (dParameters))

		

		//X-Auth-Service-Providerの処理

		requestHeaders.push("X-Auth-Service-Provider: " + (this.imageUploadSettings.providerAction));

		

		return requestHeaders;

	},

	getDelegateParameters: function(params){

		var parameters = Object.extend({

			//apiKeyがあればをセットしておく

			key: this.imageUploadSettings.apiKey

		}, params.parameters ||

		{});

		return parameters;

	},

	imageUpload: function(target, inParams){

		var params = Object.extend({

			onSuccess: function(transport){

			},

			onFailure: function(transport){

			},

			onComplete: function(){

			},

			args: {}

		}, inParams ||

		{});

		

		//delegate用にヘッダを組み立て直す

		var tParameters = this.splitParameters(target); //parametersの切り出し

		var requestHeaders = this.getRequestHeaders(tParameters); //ヘッダの作成

		//delegate用のparametersを取得する

		var parameters = this.getDelegateParameters(params);

		

		var onSuccess = function(transport){

			params.onSuccess(transport);

		}.bind(this);

		var onFailure = function(transport, errText){

			params.onFailure(transport, errText);

		}.bind(this);

		var onComplete = function(){

			params.onComplete();

		}.bind(this);

		

		

		return this.uploadRequest(this.imageUploadSettings.api.upload.url, {

			controller: params.controller,

			method: this.imageUploadSettings.api.upload.method, //uploadではmethodは指定できないがとりあえずのコテしておく

			requestHeaders: requestHeaders,

			parameters: parameters,

			onSuccess: onSuccess,

			onFailure: onFailure,

			onComplete: onComplete

		})

		

	},

	// == エラー関連 =====================================

	// エラー一覧と、errorテキストを取り出す処理など

	// =================================================

	err: {

		timeOutError: {

			status: "408",

			text: $L("Request Time-out"),

		}

	},

	getErrorText: function(responseText){

		var ret = "";

		try {

			var json = Mojo.parseJSON(responseText);

			if (json) {

				//if (json.errors&&json.errors&&json.errors.length>0&&json.errors[0].message) { //TwitPicエラーフォーマット->複数かえってきたとの情報も見たいのでする

				//	ret = json.errors[0].message;

				//}

			}

		} catch (e) {

		}

		return ret;

	}

	

});