sync attach ok

node_modules/api.js

@@ -222,8 +222,6 @@ var Api = {
 				callback(false);
 			} else {
 				var typeStr = resp.headers['content-type'];
-				log(resp.headers);
-				log(typeStr);
 				var type = 'png';
 				if(typeStr) {
 					var typeArr = typeStr.split('/');
@@ -249,6 +247,69 @@ var Api = {
 		});
 	},
 
+	// 获取附件
+	// FileService调用
+	getAttach: function(serverFileId, callback) {
+		var me = this;
+		var url = me.getUrl('file/getAttach', {fileId: serverFileId});
+		console.log(url);
+		needle.get(url, function(err, resp) {
+			if(err) {
+				return callback && callback(false);
+			}
+			// log(resp.body);
+			/*
+			{ 'accept-ranges': 'bytes',
+			  'content-disposition': 'inline; filename="logo.png"',
+			  'content-length': '8583',
+			  'content-type': 'image/png', ""
+			  date: 'Mon, 19 Jan 2015 15:01:47 GMT',
+
+			  'accept-ranges': 'bytes',
+			  'content-disposition': 'attachment; filename="box.js"',
+			  'content-length': '45503',
+			  'content-type': 'application/javascript',
+  			*/
+			// console.log(resp.headers);
+			// return;
+			if(err) {
+				callback(false);
+			} else {
+				// TODO 这里, 要知道文件类型
+				var typeStr = resp.headers['content-type'];
+				var contentDisposition = resp.headers['content-disposition'];
+				var matches = contentDisposition.match(/filename="(.+?)"/);
+				var filename = matches && matches.length == 2 ? matches[1] : "";
+				// log(resp.headers);
+				// log(typeStr);
+				var type = '';
+				if(filename) {
+					type = filename.split('.').pop();
+				}
+				if(!filename && typeStr) {
+					var typeArr = typeStr.split('/');
+					if(typeStr.length > 1) {
+						type = typeArr[1];
+					}
+				}
+
+				var filename = Common.uuid() + '.' + type;
+				var attachPath = User.getCurUserAttachsPath();
+				var attachPathAll = attachPath + '/' + filename;
+				log(attachPathAll);
+				fs.writeFile(attachPathAll, resp.body, function(err) {
+					if(err) {
+						log(err);
+						log('local save attach failed 本地保存失败');
+						callback(false);
+					} else {
+						callback(true, attachPathAll, filename);
+					}
+				});
+			}
+		});
+	},
+
 	//------------
 	// 笔记本操作
 	//------------

node_modules/evt.js

@@ -9,6 +9,9 @@ var Evt = {
 	getImageLocalUrl: function(fileId) {
 		return this.localUrl + '/api/file/getImage?fileId=' + fileId;
 	},
+	getAttachLocalUrl: function(fileId) {
+		return this.localUrl + '/api/file/getAttach?fileId=' + fileId;
+	},
 	// 项目绝对地址
 	getBasePath: function() {
 		return process.cwd();

node_modules/file.js

@@ -205,6 +205,35 @@ var File = {
 		});
 	},
 
+	// 下载, 复制一份文件
+	download: function(srcPath, toPath, callback) {
+		var srcIsExists = fs.existsSync(srcPath);
+		if(!srcIsExists) {
+			return callback(false, 'File Not Exists');
+		}
+		console.log(srcPath);
+		console.log(toPath);
+		var toIsExists = fs.existsSync(toPath);
+		function cp() {
+			Common.copyFile(srcPath, toPath, function(ok) {
+				callback(ok);
+			});
+		}
+		if(toIsExists) {
+			fs.unlink(toPath, function(error) {
+				if(!error) {
+					cp();
+				} else {
+					callback(false, 'The Target File Cannot Overwrite');
+				}
+			});
+		} else {
+			cp();
+		}
+	},
+
+
+
 	// 附件操作
 	addAttach: function(filePaths, noteId, callback) {
 		if(!noteId || !filePaths) {

node_modules/note.js

@@ -1086,6 +1086,68 @@ var Note = {
 		}
 	},
 
+	/*
+	1) sync时判断是否有attach, 如果有, 则异步下载之
+	2) 前端render note时, 判断是否有未Path的attach, 调用该服务
+	从服务器端下载文件, 并通过到前端已下载完成
+	*/
+	inDownload: {}, // 正在下载的文件 fileId => true
+	downloaded: {}, // 下载完成的
+	downloadAttachFromServer: function(noteId, serverFileId, fileId) {
+		var me = this;
+		if(me.inDownload[serverFileId]) {
+			return;
+		}
+		if(!Api) {
+			Api = require('api');
+		}
+
+		me.inDownload[serverFileId] = true;
+		Api.getAttach(serverFileId, function(ok, toPath, filename) { 
+			me.inDownload[serverFileId] = false;
+			if(ok) {
+				me.downloaded[serverFileId] = fileId;
+				// 更新serverFileId与fileId的映射, 修改的是note
+				me.syncAttach(noteId, serverFileId, fileId, toPath, filename, function(ok, attachs, attach) {
+					if(ok) {
+						// 通知web
+						Web.attachSynced(attachs, attach, noteId);
+					}
+				});
+			} else {
+				// 下次再下载 ?
+				// 或者放到一个队列中 ?
+				// TODO
+			}
+		});
+	},
+
+	// 同步附件, 更新serverFileId
+	syncAttach: function(noteId, serverFileId, fileId, path, filename, callback) {
+		var me = this;
+		me.getNote(noteId, function(note) {
+			if(!note) {
+				callback(false);
+			}
+			var attachs = note.Attachs;
+			for(var i in attachs) {
+				var attach = attachs[i];
+				if(attach.FileId == fileId) {
+					attach.ServerFileId = serverFileId;
+					attach.Path = path;
+					// attach.Title = filename;
+					// attach.Filename = filename;
+
+					Notes.update({_id: note._id}, {$set: {Attachs: attachs}}, function() {
+						callback(true, attachs, attach);
+					});
+					break;
+				}
+			}
+			callback(false);
+		});
+	},
+
 	// 根据标签得到笔记数量
 	countNoteByTag: function(title, callback) {
 		var userId = User.getCurActiveUserId();

node_modules/web.js

@@ -11,10 +11,11 @@ var Web = {
 	Tag: null,
 
 	// 注入前端变量
-	set: function(notebook, note, tag) {
+	set: function(notebook, note, attach, tag) {
 		var me = this;
 		me.Notebook = notebook;
 		me.Note = note;
+		me.Attach = attach;
 		me.Tag = tag;
 	},
 
@@ -32,6 +33,12 @@ var Web = {
 		me.Tag.addTagsNav(adds);
 		var deletes = tagSyncInfo.deletes;
 		me.Tag.deleteTagsNav(deletes);
+	},
+
+	// 通过attach已同步成功
+	attachSynced: function(attachs, attach, noteId) {
+		var me = this;
+		me.Attach.attachSynced(attachs, attach, noteId);
 	}
 };
 module.exports = Web;