desktop-app/node_modules/image.js

var db = require('db');
var fs = require('fs');
var Evt = require('evt');
var User = require('user');
var Images = db.images;

function log(o) {
	console.log(o);
}
/*
type File struct {
	FileId         bson.ObjectId `bson:"_id,omitempty"` //
	UserId         bson.ObjectId `bson:"UserId"`
	AlbumId        bson.ObjectId `bson:"AlbumId"`
	Name           string        `Name`  // file name
	Title          string        `Title` // file name or user defined for search
	Size           int64         `Size`  // file size (byte)
	Type           string        `Type`  // file type, "" = image, "doc" = word
	Path           string        `Path`  // the file path
	IsDefaultAlbum bool          `IsDefaultAlbum`
	CreatedTime    time.Time     `CreatedTime`

	FromFileId bson.ObjectId `bson:"FromFileId,omitempty"` // copy from fileId, for collaboration
}

*/

// 图片服务
var Image = {
	// path是相对于项目路径
	addImage: function(path, callback) {
		var absolutePath = Evt.getBasePath() + '/' + path;
		// 得到文件大小
		var stat = fs.statSync(absolutePath);
		var paths = path.split('/');
		var name = paths[paths.length-1];
		var names = name.split('.');
		var ext = names[names.length-1];
		var image = {
			Path: path,
			Name: name,
			UserId: User.getCurActiveUserId(),
			Title: name,
			Type: ext,
			Size: stat && stat.size,
			CreatedTime: new Date()
		}
		Images.insert(image, function(err, doc) {
			log(err);
			if(err) {
				callback && callback(false);
			} else {
				callback && callback(doc);
			}
		})
	}
};

module.exports = Image;