leanote protocol移到main进程, 所有图片的操作通过db_client进行操作

node_modules/api_main.js

@@ -0,0 +1,91 @@
+var async = require('async');
+var Common = require('common');
+var needle = require('needle');
+var fs = require('fs');
+var Evt = require('evt_main');
+
+function log(o) {
+	// console.log(o);
+}
+
+// timeout 0无限等待, 60,000 1分钟
+needle.defaults({
+	timeout: 60000
+});
+
+// 远程数据服务
+var Api = {
+	// 检查错误
+	checkError: function(error, resp) { 
+		var me = this;
+	},
+
+	getUrl: function(url, param) {
+		var url = Evt.leanoteUrl + '/api/' + url;
+		var token = Evt.getToken();
+		param = param || {};
+		param.token = token;
+		if(param) {
+			var paramStr = '';
+			for(var i in param) {
+				paramStr += i + '=' + param[i] + '&';
+			}
+		}
+		if(url.indexOf('?') >= 0) {
+			url =  url + '&' + paramStr;
+		}
+		url =  url + '?' + paramStr;
+		return url;
+	},
+	
+	getImage: function(fileId, callback) {
+		var me = this;
+		var url = me.getUrl('file/getImage', {fileId: fileId});
+		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',
+  			*/
+			// log(resp.headers);
+			if(err) {
+				callback(false);
+			} else {
+				var typeStr = resp.headers['content-type'];
+				var type = 'png';
+				if(typeStr) {
+					var typeArr = typeStr.split('/');
+					if(typeStr.length > 1) {
+						type = typeArr[1];
+					}
+				}
+
+				var filename = Common.uuid() + '.' + type;
+				var imagePath = User.getCurUserImagesPath();
+				var imagePathAll = imagePath + '/' + filename;
+				log(imagePathAll);
+				fs.writeFile(imagePathAll, resp.body, function(err) {
+					if(err) {
+						log(err);
+						log('local save image failed 本地保存失败');
+						callback(false);
+					} else {
+						callback(imagePathAll, filename);
+					}
+				});
+			}
+		});
+	},
+};
+module.exports = Api;
+
+
+
+