内的服务有一些问题,现在叫我创建了一个服务使用LokiJS()我的app.config内。问题调用的app.config
我知道在Angular中,你真的不应该试图在应用程序启动期间尝试在配置部分使用服务,而是从堆栈溢出中拼凑的其他答案我已经能够实际访问服务,但是仍然遇到现在看来是LokiJS特有的问题。
下面是我服务的一个副本:
(function(){
angular.module('LocalStorage', [])
.service('localStorageService', [
'Loki',
'$q',
function(Loki, $q) {
var self = this;
var db;
var localstorage;
self.initDB = function() {
var adapter = new LokiCordovaFSAdapter({"prefix": "loki"});
// Store to a file localstorage.json
db = new Loki('localstorage.json',
{
autosave: true,
autosaveInterval: 1000, // 1 second
adapter: adapter
});
// Testing purposes only
console.log('end of Init DB');
};
self.getLocalStorage = function() {
console.log('calling get local storage');
return $q(function (resolve, reject) {
var options = {};
console.log('inside the return');
db.loadDatabase(options, function() {
console.log('right before call getcollection');
localstorage = db.getCollection('localstorage');
console.log('grabbed local storage collection');
if (!localstorage) {
console.log('localstorage did not exist so MAKING NEW ONE');
localstorage = db.addCollection('localstorage');
}
resolve(localstorage.data);
});
});
};
self.getFromLocalStorage = function(value) {
var returnValue = localstorage.findOne({key: value});
return returnValue;
};
self.addToLocalStorage = function(key, value) {
// Format record to be stored
var data = {'key': key, 'value': value};
// Check if this 'key' already exists in localstorage
if (self.getFromLocalStorage(key)) {
console.log('ATTEMPTING TO UPDATE INSTEAD OF INSERT');
// If it exists then run an 'update'
//var lokiValue = self.getFromLocalStorage(key)['$loki'];
var lokiValue = self.getFromLocalStorage(key);
// Replace with new value
lokiValue['value'] = value;
// Now update
localstorage.update(lokiValue);
} else {
console.log('ATTEMPTING TO INSERT INSTEAD OF UPDATE');
// If key does not exist, insert
localstorage.insert(data);
}
};
self.deleteFromLocalStorage = function(value) {
// Grab object that you are trying to delete
var obj = self.getFromLocalStorage(value);
localstorage.remove(obj);
};
// TODO Should only be used for testing purposes
self.deleteDatabase = function() {
console.log('ATTEMPTING TO DELETE DATABASE');
db.deleteDatabase();
};
}]);
})();
而且在app.config:
app.config([
'$stateProvider',
'$httpProvider',
'jwtInterceptorProvider',
'localStorageServiceProvider',
function ($stateProvider, $httpProvider, jwtInterceptorProvider, localStorageServiceProvider) {
localStorageServiceProvider.$get().initDB();
localStorageServiceProvider.$get().getLocalStorage()
.then(
function (result) {
// Auth interception
console.log("INFO", 'Create auth interceptor');
jwtInterceptorProvider.tokenGetter = function (jwtHelper) {
var token = localStorageServiceProvider.$get().getFromLocalStorage('token');
return token;
};
$httpProvider.interceptors.push('jwtInterceptor');
},
function (error) {
// handle errors here
console.log('Something crazy happened with grabbing collection, This should not happen.');
}
);
}]);
所以基本上所发生的事情是,代码永远不会执行过去“的console.log( '在回报里面');“日志语句在localStorageService内的getLocalStorage()函数内。我从来没有看到任何日志出现,所以看起来好像“db.loadDatabase()”实际上甚至不会运行。
如果这是我很困惑,如何“initdb的()”函数getLocalStorage以前更正确地执行()被调用的情况。
我不知道这是否是因为一些洛基依赖问题,即它不能够正确的,因为我试图东西完全调用的app.config里面这个功能,或者说进行访问。
的原因,我甚至试图从app.config中的这里面的服务来运行这些功能,是因为我希望能够存储正在通过JwtInterceptorProvider访问令牌。
任何与此有关的帮助将不胜感激,我对Angular和Loki都很新颖,所以我确信这里只是一个小问题,或者我缺少这个结构设置,这是不正确的。谢谢!