Develop Reference

Ajax Data Call with or without slash in Codeigniter getting error

suppose my URL is example.com/controller/method/
when I use this ajax code it makes URL like example.com/controller/method/method which not getting data.
function getProductList() {
var category = document.getElementById('Category').value;
$.ajax({
type: 'POST',
url: 'GetProductList',
data: {CategoryId: category},
dataType: 'json',
cache:false,
success: function (response) {
}
});
}
but when my URL is example.com/controller/method then ajax getting data correctly. but i want to get data from the database on both situations.

Typically there is a one-to-one relationship between a URL string and its corresponding controller class/method. So you can not use example.com/controller/method/method.The segments in a URI normally follow this pattern: example.com/class/function/id/ , So your last method argument treated as a id. so create method in controller with the default argument Ex. public function mymethod($method = ''){ /** Your logic goes here */ }

How to write JSON array to file in node.js and request it again client side

I'm trying to create a drag-and-drop table with save and load functionality. I'm using code from REDIPS.drag.
When using the REDIPS save function the table content is returned, client side, to the console and alert like this:
[["d2",2,2,"blue","A1"],["d1",4,5,"blue","A2"],["d3",3,2,"blue","A3"],["d4",1,4,"blue","A4"]].
I've tried a few different ways to POST the data to node and write it to file.
With this method:
script.js
$.ajax({
type: "POST",
url:"post6/json",
data: {table_content},
dataType:'json',
contentType: "application/x-www-form-urlencoded"
});
App.js
var testjson = req.body;
var tablestringify2 = JSON.stringify(testjson);
fs.writeFile('views/test.json', tablestringify2,'utf8', function (err) {
if (err) {
// append failed
} else {
// done
}
})
The data saved to file is:
{"table_content":"[[\"ns1.8b\",3,1,\"\",\"ns1.8b\"],[\"ns3.1\",4,2,\"\",\"ns3.1\"]]"}
With this method:
script.js
$.ajax({
type: "POST",
url:"post6/json",
data: table_content,
dataType:'json',
});
The data is saved to file as:
{"[":{"\"ns1.8b\",3,0,\"\",\"ns1.8b\"":{"\"ns3.1\",3,2,\"\",\"ns3.1\"":""}}}
When I use a GET, I parse the data which returns;
{ table_content: '[["ns1.8b",3,1,"","ns1.8b"],["ns3.1",5,3,"","ns3.1"]]' }
or
{[:{"ns1.8b",3,0,"","ns1.8b":{"ns3.1",3,2,"","ns3.1":""}}}
Either form cant be loaded back into the table using the REDIPS load function.
Is there any way I could get the data in the following format;
[["ns1.8b",3,0,"","ns1.8b"],["ns3.1",3,2,"","ns3.1"]]
...returned on the client side?
Or would it be possible to save it to file like that?

Perform the stringify at the client side:
$.ajax({
type: "POST",
url:"post6/json",
data: {table_content: JSON.stringify(table_content)},
dataType:'json',
});
At the server side you should be able to access req.body.table_content which will be the (JSON) string representation of the array.

How to get Google maps URL with a 'placeid' with AJAX?

I have a URL which I can open on browser and view the JSON data. The URL looks something like this:
https://maps.googleapis.com/maps/api/place/details/json?placeid=ChIJZeH1eyl344kRA3v52Jl3kHo&key=API_KEY_HERE
Now when I try to access this with jQuery AJAX, I fail to get any results, instead I get an error.
My AJAX call looks some like this:
$.ajax({
url: https://maps.googleapis.com/maps/api/place/details/json,
data: {
'placeid': 'ChIJZeH1eyl344kRA3v52Jl3kHo',
'key': 'API_KEY_HERE'
},
dataType: 'json',
success: function(response) {
alert(JSON.stringify(response));
},
error: function(error) {
alert(JSON.stringify(error));
}
});

var API_KEY = api_key;
var placeid = placeid;
var API_URL = `https://maps.googleapis.com/maps/api/place/details/json?placeid=${placeid}&key=${API_KEY}`
$.getJSON(API_URL, {
tags: placeid,
tagmode: "any",
format: "json"
},
function(data) {
alert(data);
});
If I build it up correctly, this should be the way to send the data correctly to the api, using the placeid inside the url string together with the api_key.
Then you use a getJSON instead of json because I assume you want to get the place data? Assuming to what you're doing in the ajax you made.
Maybe explain further what you mean with how to get google maps url with place id? Hope it helps you out :)

Trouble receiving JSON data from nodejs application?

The below jQuery ajax method makes a call to node.js application that returns a json formatted data. I did check the console and it returns the json in this format
{ "SQLDB_ASSIGNED": 607, "SQLDB_POOLED":285, "SQLDB_RELEVANT":892, "SQLDB_TOTSERVERS":19}
However, when i try to access the element using the key name i get "undefined" on the console ?
Nodejs
res.send(JSON.stringify(" { \"SQLDB_ASSIGNED\": "+assigned_tot+", \"SQLDB_POOLED\":"+pooled_tot+", \"SQLDB_RELEVANT\":"+relevant_tot+", \"SQLDB_TOTSERVERS\":"+servertotal+"}"));
Jquery Ajax
$.ajax({
url: '/currentdata',
async: false,
dataType: 'json',
success: function (data) {
console.log(data);
for(var i in data)
{
console.log(data[i].SQLDB_ASSIGNED+"---"+data[i].SQLDB_POOLED+"---"+data[i].SQLDB_RELEVANT+"---"+data[i].SQLDB_TOTSERVERS );
}
}
});

Your Node.js part is very weird. You are stringifying a string:
res.send(JSON.stringify(" { \"SQLDB_ASSIGNED\": "+assigned_tot+", \"SQLDB_POOLED\":"+pooled_tot+", \"SQLDB_RELEVANT\":"+relevant_tot+", \"SQLDB_TOTSERVERS\":"+servertotal+"}"));
Why not just this? That's probably what you are looking for:
res.send(JSON.stringify({
SQLDB_ASSIGNED: assigned_tot,
SQLDB_POOLED: pooled_tot,
SQLDB_RELEVANT: relevant_tot,
SQLDB_TOTSERVERS: servertotal
}));
And then in the callback just this:
data.SQLDB_ASSIGNED; // Here you go

I don't know why you are iterating over the keys of the json. You want this:
console.log(data.SQLDB_ASSIGNED+"---"+data.SQLDB_POOLED+"---"+data.SQLDB_RELEVANT+"---"+data.SQLDB_TOTSERVERS );
So the code would be:
$.ajax({
url: '/currentdata',
async: false,
dataType: 'json',
success: function (data) {
console.log(data.SQLDB_ASSIGNED+"---"+data.SQLDB_POOLED+"---"+data.SQLDB_RELEVANT+"---"+data.SQLDB_TOTSERVERS );
}
});

You seem to be treating the data variable as an array of objects, containing the keys you specify. I guess what you would like to do is this:
for(var key in data) {
console.log(key+": "+data[key]);
}
Or what?

Pass objects in ajax request

I need to pass objects in ajax request in order to "PUT" files or data to my rest service. How can i do it? Thank you.
update
i have this code:
var invoice = {};
invoice.POSWorkstationID = "POS7";
invoice.POSClerkID = "admin";
invoice.CustomerName = "Alice in Wonderland Tours";
invoice.IsFreightOverwrite = true;
should i do this:
parameter = "{BillToCode:"+invoice.CustomerName+",POSWorkstationID:"+invoice.POSWorkstationID+",POSClerkID:"+invoice.POSClerkID+",IsFreightOverwrite:"+invoice.IsFrieghtOverwrite+"}";
and this:
data: JSON.stringify(parameter),

Normally, you can use jquery to do this may be like this:
$.ajax(
{
type: "PUT",
dataType: "json",
data:POSTData,
url: 'www.youurlhere.com/path',
complete: function(xhr, statusText)
{
switch(xhr.status)
{
//here handle the response
}
}
});
POSTData is the data in json format that u supply to the rest, you can turn an object into a json format by simply pushing the attributes but respecting JSON Format syntax

Take a look at jQuery post http://api.jquery.com/jQuery.post/
you have few options there:
$.post("test.php", $("#testform").serialize());
$.post("test.php", { name: "John", time: "2pm" } );

The best way to communicate client and server side is (IMHO) JSON.
You could serialize your object into json format, with this lightweight library =>
http://www.json.org/js.html
Look for stringify method.