Rails allow POST for Ajax on index action without breaking CREATE - ajax

I have a simple setup for a resource, currently in routes.rb I have:
resources :leave_requests
This works exactly as expected, on the index view I have a datatable setup using Ajax via a GET, this is also working but the URI is getting very large during the Ajax request. I would prefer this to be a POST action, for this to work I require a POST instead of a GET on the index action in my routes.
However, this will break the CREATE action i.e. will simply load the index page on submitting a new request. i.e. If I do this:
post '/leave_requests', to: 'leave_requests#index'
resources :leave_requests
How can I get these to co-exist happily?

Have you try to do something like in this Rails , Ajax , Post Function , Jquery the code looks something like
$('form').submit(function()
{
var myForm = $('form').serialize();
$.ajax
({
url:'/leave_request/create',
type:"POST",
dataType:'json',
data: myForm,
processData:false,
success: function (msg)
{
alert(msg);
},
error: function (xhr, status)
{
alert(xhr.error);
}
});
});
you can also take a look at jQuery post to Rails

Related

Flask Ajax POST data scope

I need to render a Flask template but the ajax data is only accessible within the POST if statement and does not show when I call a get direct after a posted the data.
I have a working ajax here
$.ajax({
type: 'post',
url: "/query",
dataType: 'text',
data: JSON.stringify({hostname:hostname, bf_id:computerID}),
contentType: 'application/json;charset=UTF-8',
success: function () {
window.location.href = "/query";
}
});
});
The data is successfully posted and the redirect is working. But when the redirect calls the function to render the template, the posted ajax cannot be retrieved.
#app.route('/query', methods=["GET", "POST"])
def query():
hostname=""
if request.method == "POST":
#these values only exist in if statement
hostname = request.json['hostname']
bf_id = request.json['bf_id']
return render_template('query.html', hostname=hostname)
Am I using an incorrect work flow?
Am I using an incorrect work flow?
Yes.
You make the POST request with the data.
You get a response which does things with that data
You then make a GET request without the data
You get a response which can't do things with the data that it doesn't have
The point of Ajax is to make an HTTP request without loading a whole new page.
If you want to load a whole new page, then use a regular form submission without involving JavaScript at all.

Manually adding google analytic code to different urls through jQuery AJAX

I'm working on a progressive page loading script where new pages will load continuously when bottom of the page is reached. I'm using ajax to fetch the data dynamically through jQuery ajax from the server, the return data will return the url of the new post as well as its content.
My problem is what code should I use to submit my returned post url to analytic so that it registers as a valid page view?
$.ajax({
type: 'GET',
url: 'http://somedomain.com/fetch_pages.php',
data: { 'page': this.$loadMoreCounter , 'section': that.$section },
dataType: 'json',
success: function (data) {
//analytic code upon each successful callback.
});

get data from ajax as an attribute value for callback function

Im new to ajax. I was trying to find the answer but was not lucky to find the corresponsing one. Basically I need to use an ajax to get some data and after that to put this data to the variable that later will be used as an attribute for the callback function with custom code.
This ajax part is just a method of myObject.
So, in the end I need this kind of functionality:
myObject.getData(url, callback(data) {
//my custom code of what I wanna do after ajax is complete
});
My code
/*
HERE COME SOME PROPERTIES AND OTHER METHODS WICH IS NOT THE CASE
*/
//This is where Im stuck
var getData = function getFromUrl($url) {
$.ajax({
type: 'get',
url: $url,
dataType: 'html',
success: function(html) {
$obj = html;//Im lost on this step!
},
});
};
P.S. Im trying to find an async way (without using async:false). Hope its possible
First I encountered many problems. My first problem was No Access-Control-Allow-Origin, most websites dont allow you to just scrap get their data for security reasons. Luckily someone already made a proxy: http://cors.io/ . Second problem is that you cant embed http on https, so I cant use jsfiddle to show you this working, it works on my local enviroment. After you get the raw html you have to parse it, you can do it with full regex, or you can power yourself with jquery like I'm doing on this example. What we're doing is checking stackoverflow.com and getting the amount of featured questions with .find(".bounty-indicator-tab").first().html(); But once you have the full html you can get any data you need.
var getData = function getFromUrl(url) {
$.ajax({
url: 'http://cors.io/?' + url,
crossDomain: true,
dataType: 'html',
success: function (html) {
var match = $(html).find(".bounty-indicator-tab").first().html();
console.log(match);
return match;
},
error: function(e) {
console.log('Error: '+e);
}
});
};
url = 'http://stackoverflow.com/';
data = getData(url);
//You cant use data yet because its working async

How to perform ajax call to doaction in ofbiz

I would like to use Ajax to perform an action in OFBiz without the page refreshing. The task will be like filters. When I choose any Checkbox it should perform some action and display the result in the very same page.
What are all the steps i need to do?
I would appreciate some sample code for controller.xml,javascript calling Ajax ..etc
Thanks.
You can use form submission through ajax on an event in your ftl's. Here's a sample code for ajax call from say an ExampleCreateParty.ftl:
$.ajax({
url: '<#ofbizUrl>addSecurityPermissionToSecurityGroup</#ofbizUrl>',
type: 'POST',
accepts: 'xml',
data: $("form#Permissions").serialize(),
success: function(e) { console.log(e);
var xmlDoc;
try {
xmlDoc = $.parseXML(e);
var error = $(xmlDoc).find("Message").find("Error").find("ErrorCode").text();
var errorMsg = $(xmlDoc).find("Message").find("Error").find("ErrorMessage").text();
if (error=='0'){alert(errorMsg);}
console.log(xmlDoc);
} catch (err) {
alert('Saved Successfully!');
}
},
error: function(e) { console.log(e); }
})
Here in response to the service called i.e. addSecurityPermissionToSecurityGroup you can specify the response in the controller.xml which you can get within the success key in the ajax call itself.
To see a full end-to-end example have a look at this OFBiz page
As you can see whenever you change the product configuration, the product price is updated with Ajax call. Then you can find out for yourself the freemarker file containing javascript and the controller doing calculations and returning it back.

Grails: Passing a javascript variable to a template

I am new to ajax so maybe this is obvious. I've tried many different not-working approaches. I have javascript that when you click on a button:
an ajax call that grabs some data from a controller - returns an object
display that data in a template that I will show on the page
Here is the javascript/ajax:
<script type="text/javascript">
$("#show").click(function () {
$.ajax({ url: '/Myproject/result/index',
type: "POST",
data: { id: id},
success: function(result) {
alert("Success:" + result); // Can see getting object back.
}});
$(".resulttable").show();
});
Here is the key line in grails view template:
<g:each in="${allResults}" status="i" var="result">
How do I get the data from the javascript to the gsp code (ie allResults)?
Do I have to "refresh" this template to display new data?
thanks.
You just can't make your javascript/jquery code populate things in the gsp, since the gsp is processed server-side and javascript is processed client-side, after the gsp rendered all html documents and populated them with your model. You need to be aware that your page was already processed, so things like ${variables} won't be reloaded anymore. So when you do this:
$(".resulttable").show();
It's not gonna show the result you're waiting for. You have to use javascript code to reload your result table.
So if you're using ajax here, you should use the function success to alter your html table via javascript/jquery since you already have the response you wanted. Maybe this read can help you. Oh, and I think it would be better if in your ajax call, you would define a dataType (json works great in your case), like this:
$("#show").click(function () {
$.ajax({ url: '/Myproject/result/index',
type: "POST",
data: { id: id},
dataType: 'json',
success: function(result) {
alert("Success:" + result); // Can see getting object back.
}});
$(".resulttable").show();
});
Just to make clear what kind of response you're getting from the controller.
You do not need to write your ajax calls the hard way. There are some Grails intern tags you can use inside your html:
http://grails.org/doc/latest/ref/Tags/remoteFunction.html
http://grails.org/doc/latest/ref/Tags/submitToRemote.html
http://grails.org/doc/latest/ref/Tags/remoteLink.html
Following the links you will find some nice examples...

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