Encountering a Issue while implementing caching feature in AngularJS

When I load my modal HTML page for the first time, I get the proper data. However, when I try to load it a second time, an error occurs.

Below is my JS code:

var cache = $cacheFactory('cacheId');
var cacheData = cache.get('xml');

if (!cacheData) {
    MyRestApi.getData($scope.data1).then(function(response) {
        cacheData = response;
        cache.put('xml', cacheData);
    });
} else {
    var processdata = cache.get('xml');
}

In MyRestApi.js, the following code is used:

getData: function(Key) {
    return $http.get(baseURL + '/getDetails/' + Key, {
        headers: header,
        cache: true
    });
}

This is my first time using $cache in AngularJS. Please help me understand why I am encountering this error. The error occurs when I try to load the same modal page for the second time.

Angular.js:13568 Error: [$cacheFactory:iid] CacheId 'cacheId' is already taken!

Answer №1

Here is all the information you need:

retrieveData: function(Key) {
    return $http.get(baseURL + '/fetchDetails/' + Key, {
        headers: header,
        cache: true
    });
}

When you request the data for the first time, it will be saved in an HTTP cache. Next time you make the same request, it will use the cached data instead of fetching it again. You can verify this by checking the network tab in the developer tools.

This behavior only applies to single-page applications; refreshing the page will clear the cache.

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