(function (ns) {
let obj = ns.Ajax = {};
let errorCallback;
obj.requestFactory = function (url, method, params) {
let requestObject;
if(typeof url === 'object'){
requestObject = url;
requestObject.data = params;
}else{
requestObject = {
url: url,
method: method,
data: params
};
}
let req = obj.request(requestObject);
return obj.applyCustomizations(req);
};
obj.get = (url, params) => obj.requestFactory(url, 'GET', params || {});
obj.post = (url, params) => obj.requestFactory(url, 'POST', params || {});
obj.put = (url, params) => obj.requestFactory(url, 'PUT', params || {});
obj.patch = (url, params) => obj.requestFactory(url, 'PATCH', params || {});
obj.delete = (url, params) => obj.requestFactory(url, 'DELETE', params || {});
obj.head = (url, params) => obj.requestFactory(url, 'HEAD', params || {});
obj.submitForm = function (form, options = {}) {
let req = obj.request($.extend({
form: form
}, options));
return obj.applyCustomizations(req);
};
obj.applyCustomizations = function (req) {
req.success = function (callback) {
req.then(function (...args) {
if(args[0].success){
if (args[0].success || args[0].success === undefined) {
let response = args[0];
let returnData = [...args];
returnData[0] = response.data;
returnData[0].__response = response;
callback(...returnData);
}
}
})
return req;
}
req.error = function (callback) {
req.then(function (...args) {
if(! args[0].success){
let response = args[0];
let returnData = [...args];
returnData[0] = response.error;
returnData[0].__response = response;
callback(...returnData);
}
});
return req;
}
return req;
};
obj.request = function (options) {
let requestUrl = options.url;
let requestData = options.data;
let requestMethod = options.method || 'GET';
let requestDataType = options.dataType;// || 'JSON';
//if form element is passed
if (options.form) {
let $form = APP.UI.El.getJQ(options.form);
//if no url is passed, use form action attr value
if (!requestUrl) {
requestUrl = $form.attr('action');
}
//if request method is specified, use it
if ($form.attr('method')) {
requestMethod = $form.attr('method');
}
//blacklisted inputs
let without = options.without || [];
if (requestMethod.toLowerCase() === 'get') {
//Prepare data for get transfer
requestData = {};
$.each($form.serializeArray(), function () {
if (without.indexOf(this.name) === -1) {
requestData[this.name] = this.value;
}
});
} else {
//Prepare data for transfer
let $inputsTypeFile = $form.find('[type="file"]');
//if we have file
if ($inputsTypeFile.length !== 0) {
requestData = new FormData();
options.hasFile = true;
let fileInputs = [];
$inputsTypeFile.each(function () {
if (without.indexOf(this.name) === -1) {
fileInputs.push(this.name);
requestData.append(this.name, this.files[0]);
}
});
$.each($form.serializeArray(), function () {
if (without.indexOf(this.name) === -1 && fileInputs.indexOf(this.name) === -1) {
requestData.append(this.name, this.value);
}
});
} else {
requestData = {};
$.each($form.serializeArray(), function () {
if (without.indexOf(this.name) === -1) {
requestData[this.name] = this.value;
}
});
}
}
}
//Check if we have files to upload that are not in input fields
if(options.files){
if (! (requestData instanceof FormData)){
let objectKeys = Object.keys(requestData || {});
//If data already exists, set it to FormData
if(objectKeys.length > 0){
let newData = new FormData();
objectKeys.forEach(function (key) {
newData.append(key, requestData[key]);
});
requestData = newData;
}
}
//If requestData is not instance of FormData, then initialize is.
if(! (requestData instanceof FormData)){
requestData = new FormData();
}
options.files.forEach(function (file) {
requestData.append(file.name, file.file);
});
//Indicate that we have file
options.hasFile = true;
}
//Check if input data is set
if(options.inputs){
options.inputs.forEach(function (input){
if(requestData instanceof FormData){
requestData.append(input.name, input.value);
}else{
requestData[input.name] = input.value;
}
});
}
requestUrl = obj.url(requestUrl, {});
//check if we have file to upload
if (options.hasFile) {
options.cache = false;
options.processData = false;
options.contentType = false;
}
//Replace the sensitive data with modified one
options.url = requestUrl;
options.data = requestData;
options.method = requestMethod;
options.dataType = requestDataType;
//Delete unnecessary properties
delete options.form;
delete options.hasFile;
//Send request
let $request = $.ajax(options).retry(obj.getRetryValue());
/**
* Modify successful request
* We will snoop in to the request result
* We will handle any success error, like server error...
* @return Jquery ajax object
*/
$request.then(obj.getData);
/**
* Modify error request
* We will snoop in to the request result
* We will handle any error, like form validation...
* @return Jquery ajax object
*/
$request.fail(obj.handleError);
return $request;
};
obj.url = function (link, payload) {
let url = link;
if (link.indexOf('http://') === -1) {
url = window.location.origin + '/api/' + link;
}
if (payload) {
//append payload
let param = $.param(payload);
if (link.indexOf('?') > -1) {
url = url + '&' + param;
} else {
url = url + '?' + param;
}
}
return url;
};
obj.getRetryValue = function () {
//503 = service unavailable
//599 network connect timeout
return {
times: 3,
timeout: 5000,
statusCodes: [
503,
599
]
};
};
//attach ajax token in the data
obj.withToken = function (data = {}) {
let token = localStorage.getItem('token');
if (token) {
data.token = token;
}
return data;
};
obj.getData = function (response) {
if (response.error) {
let errors = response.error.errors;
let modal = new ns.UI.Modal('general');
let html = '<div class="list-group">';
html += '<div class="list-group-item">' + response.error.message + '</div>';
for (let errorName in errors) {
errorName[0] = errorName[0].toLocaleUpperCase();
errors[errorName].forEach(function (errorMessage) {
html += '<div class="list-group-item"><b>' + errorName + ':</b> ' + errorMessage + '</div>';
});
}
modal.header('Request Error');
modal.body(html).show();
}
return response;
};
obj.handleError = function (error) {
let modal = new ns.UI.Modal('general');
let html;
if(error.status !== 200){
if(error.responseJSON){
html = error.responseJSON.message;
}else{
error = error.statusText;
}
}
modal.setHeader('Request Error').footer(false);
modal.body(html).show();
return error;
};
})(window.APP);
$ajax = window.APP.Ajax;
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