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QueryBuilder fix and feature #29

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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ angular.module('myModuleName')
* find all persons older than 40 years
*/

var myQuery = $indexedDB.queryBuilder().$index('age_idx').$gt(40).$asc.compile();
var myQuery = $indexedDB.queryBuilder().$index('age_idx').$gt(40).$asc().compile();
myObjectStore.each(myQuery).then(function(cursor){
cursor.key;
cursor.value;
Expand Down
37 changes: 29 additions & 8 deletions src/indexeddb.js
Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,7 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
req.onnotify = function(e) {
$rootScope.$apply(function(){
d.notify(e.target.result);
});
});
}
req.onerror = function(e) {
$rootScope.$apply(function(){
Expand Down Expand Up @@ -252,7 +252,7 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
req.onnotify = function(e) {
$rootScope.$apply(function(){
d.notify(e.target.result);
});
});
}
req.onerror = function(e) {
$rootScope.$apply(function(){
Expand Down Expand Up @@ -423,10 +423,10 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
*
* @params {object} options optional query parameters, see defaultQueryOptions
* and QueryBuilder for details
* @returns {object} IDBCursor ...wrapped in a promise
* @returns {object} Array of values from store ...wrapped in a promise
*/
"each": function(options){
var d = $q.defer();
var results = [], d = $q.defer();
return this.internalObjectStore(this.storeName, READWRITE).then(function(store){
var req;
options = options || defaultQueryOptions;
Expand All @@ -436,9 +436,16 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
req = store.openCursor(options.keyRange, options.direction);
}
req.onsuccess = req.onerror = function(e) {
$rootScope.$apply(function(){
d.resolve(e.target.result);
});
var cursor = e.target.result;
if(cursor){
if(!options.filter || options.filter(cursor.value))
results.push(cursor.value);
cursor.continue();
} else {
$rootScope.$apply(function(){
d.resolve(results);
});
}
};
return d.promise;
});
Expand All @@ -453,7 +460,7 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
* @description utility object to easily create IDBKeyRange for cursor queries
*/
var QueryBuilder = function() {
this.result = defaultQueryOptions;
this.result = angular.extend({}, defaultQueryOptions);
};
QueryBuilder.prototype = {
/**
Expand Down Expand Up @@ -588,6 +595,20 @@ angular.module('xc.indexedDB', []).provider('$indexedDB', function() {
this.result.useIndex = indexName;
return this;
},
/**
* @ngdoc method
* @name QueryBuilder.$filter
* @function
*
* @description optionally specify an function to determine if the item should be included
*
* @params {function} filter filter function to use
* @returns {object} this QueryBuilder, for chaining params
*/
"$filter": function(filter) {
this.result.filter = filter;
return this;
},
/**
* @ngdoc method
* @name QueryBuilder.compile
Expand Down