me.getNote(noteId, function(note) {
if(!note) {
callback();
return;
}
var everAttachs = note.Attachs || [];
var nowMap = {};
for(var i in attachs) {
nowMap[attachs[i].FileId] = attachs[i];
}
// console.log(note);
// console.log('end');
// console.log(everAttachs.length);
// console.log(attachs.length);
// console.log(attachs == everAttachs);
var fileBasePath = User.getCurUserAttachsPath();
for(var i in everAttachs) {
var attach = everAttachs[i];
var path = attach.Path;
if(!nowMap[attach.FileId]) { // 如果不在, 则删除之
// console.log(">>>>>>>>>");
try {
// 删除源文件, 别删错了啊
if(path.indexOf(fileBasePath) >= 0) {
fs.unlink(path);
}
} catch(e) {
console.log(e);
}
}
}
// 一个坑!!!!!!!!!!!
callback();
});
copyFile: function(originPath, isImage, callback) {
var me = this;
var basePath;
if(isImage) {
basePath = User.getCurUserImagesPath();
} else {
basePath = User.getCurUserAttachsPath();
}
var filePathAttr = Common.splitFile(originPath);
var fileId = Common.objectId();
var newFilename = fileId + '_html_' + '.' + filePathAttr.ext;
var newFilePath = basePath + '/' + newFilename;
Common.copyFile(originPath, newFilePath, function(ret) {
if(ret) {
if(isImage) {
me._addImage(fileId, newFilePath, function(newImg) {
newImg.IsImage = true;
callback(newImg);
});
} else {
me._addAttach(newFilePath, '', function(attach) {
callback(attach);
});
}
} else {
callback(false);
}
});
},
needle.get(url, function(err, resp) {
me.checkError(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);
}
});
}
});
writeBase64: function(data, isImage, type, fileTitle, callback) {
var me = this;
var filename = Common.uuid() + '.' + type;
if(isImage) {
var basePath = User.getCurUserImagesPath();
} else {
var basePath = User.getCurUserAttachsPath();
}
var filePath = basePath + '/' + filename;
// test
// return callback && callback({FileId: Common.objectId(), IsImage: true});
// return;
try {
var bf = new Buffer(data, 'base64');
var err = fs.writeFileSync(filePath, bf);
if(err) {
return callback(false);
}
// 得到文件的hash
var hash = crypto.createHash('md5');
hash.setEncoding('hex');
hash.write(bf);
hash.end();
var fileHash = hash.read();
if(isImage) {
me._addImage(Common.objectId(), filePath, function(newImg) {
newImg.IsImage = true;
newImg.hash = fileHash;
callback && callback(newImg);
});
} else {
me._addAttach(filePath, fileTitle, function(attach) {
attach.hash = fileHash;
callback && callback(attach);
});
}
} catch(e) {
console.log("error!!!");
console.error(e);
}
},
deleteAttachs: function(attachs) {
if (!attachs || attachs.length == 0) {
return;
}
var me = this;
var fileBasePath = User.getCurUserAttachsPath();
for(var i = 0; i < attachs.length; ++i) {
var path = attachs[i].Path;
if(path && path.indexOf(fileBasePath) >= 0) {
try {
fs.unlink(path);
} catch(e) {
console.error(e);
}
}
}
},
deleteAttachs: function(attachs) {
var me = this;
var fileBasePath = User.getCurUserAttachsPath();
if(!attachs) {
return;
}
for(var i in attachs) {
var path = attachs[i].Path;
if(path && path.indexOf(fileBasePath) > 0) {
try {
fs.unlink(path);
} catch(e) {
console.log(e);
}
}
}
},
addAttach: function(filePaths, noteId, callback) {
if(!noteId || !filePaths || filePaths.length == 0) {
return callback && callback(false);
}
// filePaths = filePaths.split(';');
// 复制每一个文件, 保存到数据库中
var targets = [];
for(var i in filePaths) {
var filePath = filePaths[i];
var fileStat = fs.statSync(filePath);
var paths = filePath.split(Common.getPathSep()); // windows的filePath不同
var name = paths[paths.length-1];
// Web.alertWeb(name);
var names = name.split('.');
var ext = names[names.length-1];
var rename = Common.uuid() + "." + ext;
var distPath = User.getCurUserAttachsPath() + '/' + rename;
var readable = fs.createReadStream(filePath);
// 创建写入流
var writable = fs.createWriteStream(distPath);
// 通过管道来传输流
readable.pipe(writable);
var attach = {
FileId: Common.objectId(),
ServerFileId: '',
Path: distPath,
NoteId: noteId,
Name: rename,
UserId: User.getCurActiveUserId(),
Title: name,
IsDirty: true, // 先添加的肯定是dirty, 什么时候不是dirty ? sync 和 send changes后
Type: ext,
Size: fileStat && fileStat.size,
IsDirty: true, // 本地是新添加的, ServerFileId = 0
CreatedTime: new Date()
};
db.attachs.insert(attach);
targets.push(attach);
}
callback && callback(targets);
},
db.attachs.find({NoteId: noteId}, function(err, everAttachs) {
if(err) {
return;
}
var nowMap = {};
for(var i in attachs) {
nowMap[attachs[i].FileId] = attachs[i];
}
var fileBasePath = User.getCurUserAttachsPath();
for(var i in everAttachs) {
var attach = everAttachs[i];
if(!nowMap[attach.FileId]) { // 如果不在, 则删除之
db.attachs.remove({FileId: attach.FileId});
// 删除源文件, 别删错了啊
if(attach.Path.indexOf(fileBasePath) >= 0) {
fs.unlink(attach.Path);
}
}
}
});
writeBase64: function(data, isImage, type, fileTitle, callback) {
var me = this;
var filename = Common.uuid() + '.' + type;
if(isImage) {
var basePath = User.getCurUserImagesPath();
} else {
var basePath = User.getCurUserAttachsPath();
}
var filePath = basePath + '/' + filename;
// test
// return callback && callback({FileId: Common.objectId(), IsImage: true});
// return;
try {
var bf = new Buffer(data, 'base64');
var err = fs.writeFileSync(filePath, bf);
if(err) {
return callback(false);
}
// 得到文件的hash
var hash = crypto.createHash('md5');
hash.setEncoding('hex');
hash.write(bf);
hash.end();
var fileHash = hash.read();
if(isImage) {
me._addImage(Common.objectId(), filePath, function(newImg) {
newImg.IsImage = true;
newImg.hash = fileHash;
callback && callback(newImg);
});
} else {
me._addAttach(filePath, fileTitle, function(attach) {
attach.hash = fileHash;
callback && callback(attach);
});
}
/*
// var buf = new Buffer(data, 'utf-8');
// 读出来
var err = fs.writeFile(filePath, data, 'ascii');
if(err) {
console.log(err);
callback(false);
return;
}
*/
/*
var exec = require('child_process').exec,
last = exec('"/Users/life/Documents/kuaipan/go/go-study/bin/file2" "' + txtPath + '" "' + filePath + '"');
// last = exec('ls /');
// last.stdout.on('data', function (data) {
// console.log('标准输出：' + data);
// });
last.on('exit', function (code) {
console.log('子进程已关闭，代码：' + code);
fs.unlink(txtPath);
if(!code) {
if(isImage) {
me._addImage(Common.objectId(), filePath, function(newImg) {
newImg.IsImage = true;
callback && callback(newImg);
});
} else {
me._addAttach(filePath, fileTitle, callback)
}
} else {
callback(false);
}
});
*/
/*
// console.log(txtPath);
// console.log(filePath);
// 先写到txt中去, 然后调用命令将.txt -> img
var txtPath = filePath + '.txt';
var err = fs.writeFileSync(txtPath, data);
Common.cmd([txtPath, filePath], function(code) {
// console.log('子进程已关闭，代码：' + code);
// fs.unlink(txtPath);
if(!code) {
try {
if(isImage) {
me._addImage(Common.objectId(), filePath, function(newImg) {
newImg.IsImage = true;
callback && callback(newImg);
});
} else {
me._addAttach(filePath, fileTitle, callback)
}
} catch(e) {
console.log(e);
callback(false);
}
} else {
callback(false);
}
});
*/
// return callback && callback({FileId: Common.objectId(), IsImage: true});
} catch(e) {
console.log("error!!!");
console.error(e);
}
},