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(function() {
function errorHandler(error, callback) {
if (error) {
callback && callback(error);
throw error;
}
}
function pageview(_AV, options) {
var AV = _AV;
var appId, appKey, appClass;
appId = options.appId;
appKey = options.appKey;
appClass = options.appClass;
AV.init({
serverURLs: 'https://avoscloud.com',
appId: appId,
appKey: appKey
});
return {
get: get,
increase: increase
};
function searchKey(key) {
var query = new AV.Query(appClass);
query.equalTo('key', key);
return query.first();
}
function insert(key, title) {
var Blog = AV.Object.extend(appClass);
var blog = new Blog();
blog.set('title', title);
blog.set('key', key);
blog.set('views', 0);
return blog.save();
}
function increment(result) {
result.increment('views', 1);
return result.save(null, {
fetchWhenSave: true
});
}
function get(key, callback) {
searchKey(key).then(function(result) {
if (result) {
callback && callback(result.attributes.views);
}
}, errorHandler);
}
function increase(key, title, callback) {
searchKey(key).then(function(result) {
if (result) {
increment(result).then(function(result) {
callback && callback(result.attributes.views);
});
} else {
insert(key, title).then(function(result) {
increment(result).then(function(result) {
callback && callback(result.attributes.views);
});
}, errorHandler);
}
}, errorHandler);
}
}
window.pageview = pageview;
})();
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