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'use strict';
// This is the AngularJS Algolia Search module
// It's using $http to do requests with a JSONP fallback
// $q promises are returned
var inherits = require('inherits');
var forEach = require('foreach');
var AlgoliaSearch = require('../../AlgoliaSearch');
var errors = require('../../errors');
var inlineHeaders = require('../inline-headers');
var jsonpRequest = require('../jsonp-request');
var places = require('../../places.js');
// expose original algoliasearch fn in window
window.algoliasearch = require('./algoliasearch');
if (process.env.NODE_ENV === 'debug') {
require('debug').enable('algoliasearch*');
}
window.angular.module('algoliasearch', [])
.service('algolia', ['$http', '$q', '$timeout', function algoliaSearchService($http, $q, $timeout) {
function algoliasearch(applicationID, apiKey, opts) {
var cloneDeep = require('../../clone.js');
opts = cloneDeep(opts || {});
opts._ua = opts._ua || algoliasearch.ua;
return new AlgoliaSearchAngular(applicationID, apiKey, opts);
}
algoliasearch.version = require('../../version.js');
algoliasearch.ua = 'Algolia for AngularJS ' + algoliasearch.version;
algoliasearch.initPlaces = places(algoliasearch);
// we expose into window no matter how we are used, this will allow
// us to easily debug any website running algolia
window.__algolia = {
debug: require('debug'),
algoliasearch: algoliasearch
};
function AlgoliaSearchAngular() {
// call AlgoliaSearch constructor
AlgoliaSearch.apply(this, arguments);
}
inherits(AlgoliaSearchAngular, AlgoliaSearch);
AlgoliaSearchAngular.prototype._request = function request(url, opts) {
// Support most Angular.js versions by using $q.defer() instead
// of the new $q() constructor everywhere we need a promise
var deferred = $q.defer();
var resolve = deferred.resolve;
var reject = deferred.reject;
var timedOut;
var body = opts.body;
url = inlineHeaders(url, opts.headers);
var timeoutDeferred = $q.defer();
var timeoutPromise = timeoutDeferred.promise;
$timeout(function timedout() {
timedOut = true;
// will cancel the xhr
timeoutDeferred.resolve('test');
reject(new errors.RequestTimeout());
}, opts.timeouts.complete);
var requestHeaders = {};
// "remove" (set to undefined) possible globally set headers
// in $httpProvider.defaults.headers.common
// otherwise we might fail sometimes
// ref: https://github.com/algolia/algoliasearch-client-js/issues/135
forEach(
$http.defaults.headers.common,
function removeIt(headerValue, headerName) {
requestHeaders[headerName] = undefined;
}
);
requestHeaders.accept = 'application/json';
if (body) {
if (opts.method === 'POST') {
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS#Simple_requests
requestHeaders['content-type'] = 'application/x-www-form-urlencoded';
} else {
requestHeaders['content-type'] = 'application/json';
}
}
$http({
url: url,
method: opts.method,
data: body,
cache: false,
timeout: timeoutPromise,
headers: requestHeaders,
transformResponse: transformResponse,
// if client uses $httpProvider.defaults.withCredentials = true,
// we revert it to false to avoid CORS failure
withCredentials: false
}).then(success, error);
function success(response) {
resolve({
statusCode: response.status,
headers: response.headers,
body: JSON.parse(response.data),
responseText: response.data
});
}
// we force getting the raw data because we need it so
// for cache keys
function transformResponse(data) {
return data;
}
function error(response) {
if (timedOut) {
return;
}
// network error
if (response.status === 0) {
reject(
new errors.Network({
more: response
})
);
return;
}
resolve({
body: JSON.parse(response.data),
statusCode: response.status
});
}
return deferred.promise;
};
// using IE8 or IE9 we will always end up here
// AngularJS does not fallback to XDomainRequest
AlgoliaSearchAngular.prototype._request.fallback = function requestFallback(url, opts) {
url = inlineHeaders(url, opts.headers);
var deferred = $q.defer();
var resolve = deferred.resolve;
var reject = deferred.reject;
jsonpRequest(url, opts, function jsonpRequestDone(err, content) {
if (err) {
reject(err);
return;
}
resolve(content);
});
return deferred.promise;
};
AlgoliaSearchAngular.prototype._promise = {
reject: function(val) {
return $q.reject(val);
},
resolve: function(val) {
// http://www.bennadel.com/blog/2735-q-when-is-the-missing-q-resolve-method-in-angularjs.htm
return $q.when(val);
},
delay: function(ms) {
var deferred = $q.defer();
var resolve = deferred.resolve;
$timeout(resolve, ms);
return deferred.promise;
},
all: function(promises) {
return $q.all(promises);
}
};
return {
Client: function(applicationID, apiKey, options) {
return algoliasearch(applicationID, apiKey, options);
},
ua: algoliasearch.ua,
version: algoliasearch.version
};
}]);
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