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#REST API

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Representational state transfer (REST) is a software architectural style that defines a set of constraints to be used for creating Web services. Web services that conform to the REST architectural style, called RESTful Web services (RWS), provide interoperability between computer systems on the Internet. RESTful Web services allow the requesting systems to access and manipulate textual representations of Web resources by using a uniform and predefined set of stateless operations. Other kinds of Web services, such as SOAP Web services, expose their own arbitrary sets of operations.

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Hi,

I want to create a table with a dynamic display of data using the DataGrid.

On the page there dataCombo and the table.

According to the plan, when the user selects an item in dataCombo the table is filled with data. If select another item - data is updated.

But in fact, the data in the table are loaded once when the page is loaded, and when I select value in DataCombo, I receive an error:

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Integrating frontend React applications with backend services like IRIS database via REST APIs can be a powerful way to build robust web applications. However, one common hurdle developers often encounter is the Cross-Origin Resource Sharing (CORS) issue, which can prevent the frontend from accessing resources on the backend due to security restrictions enforced by web browsers. In this article, we'll explore how to tackle CORS issues when integrating React web apps with IRIS backend services.

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Hello fellow community members,

I would like to offer my services as an Intersystems Professional and am available to work on projects.

I have more than a decade experience into Intersystems stack of technologies including IRIS, Ensemble, Healthshare, Healthconnect, Cache Objectscript, Mumps, Zen, Analytics etc. with companies spread over US and UK involved in multiple domains.

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Monitoring your IRIS deployment is crucial. With the deprecation of System Alert and Monitoring (SAM), a modern, scalable solution is necessary for real-time insights, early issue detection, and operational efficiency. This guide covers setting up Prometheus and Grafana in Kubernetes to monitor InterSystems IRIS effectively.

This guide assumes you already have an IRIS cluster deployed using the InterSystems Kubernetes Operator (IKO), which simplifies deployment, integration and mangement.

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When using the REST API classes for building services on a spec-first approach, the implementation class methods are usually built this format:

ClassMethod <method-name>(body As %DynamicObject) As %Stream.Object

But sometimes it keeps building the endpoint implementation method like this:

ClassMethod <method-name>(body As %Stream.Object) As %DynamicObject

It has been a problem because the rest of my implementation rely on the fact that the "body" object is a DynamicObject.

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I am trying to create REST API following these instructions: https://docs.intersystems.com/irislatest/csp/docbook/Doc.View.cls?KEY=GREST_apimgmnt

However it does not work.

I tried downloaded the v2.0 schema.json of the OpenAPI specification and pasted it on Postman with the parameters as speicifed, but I get this error message back:

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I am working on an angular applications and build a web application (Rest API) on IRIS for health, the web application uses a password authentication and setup with the default csp session time out (15 minutes). If the user make an REST API call from the angular application after the session expired, it displays a login prompt...is that anyway that we can disable the login prompt and just simply return http status 401? When the angular application received the status 401, it can redirect to angular error page.

Thanks,

Hoi

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I work as an Integration Engineer for United States Department of Veterans Affairs (VA). I work on a Health Connect production which processes many RecordMap files. I do not fully understand RecordMaps and I wanted to develop an application for the Interoperability contest where I could learn more about working with RecordMaps. I browsed InterSystems documentation for inspiration on how to start. I was happy to find CSV Record Wizard.

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I have an interoperability production that functions as a FHIR proxy. I have a need to add an HTTP Header value to the outbound request. I've subclassed HS.FHIRServer.Interop.HTTPOperation, but I cannot find a way to add an HTTP Header to the request. The HTTP class used in HS.FHIRServer.Interop.HTTPOperation is HS.FHIRServer.RestClient.HTTP. That RestClient class does not seem to expose or allow modification of the actual HttpRequest.

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Hello community,

I have a very simple REST API connection doing a POST of JSON messages via AZURE APIM.

It worked successfully for few weeks until a day ago when i started receiving a bad response as below.

<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW"><meta name="format-detection" content="telephone=no"><meta name="viewport" content="initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><script type="text/javascript" src="/_Incapsula_Resource?......................................

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FIrst of all thank you for your time in reading this question and writing a response,

We would need some help,

-> Our objective is to control which method is being used in the service: GET POST PUT

We have tried to understand the example REST Service: Demo.REST.DirectoryService

After that we have tried to create our own custom rest service,

please take a few minutes to examine the following code:

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Article
· Oct 5, 2020 2m read
File Passthrough Feeder

IRIS Interoperability Productions formerly known as Ensemble are fun to work with. Yes, I really think my work is fun. I have seen File Passthrough Services and File Passthrough Operations come in handy. At one point we placed test messages in files, then we utilized a File Passthrough Service with Inbound File Adapter to send the contents of the file as a Stream to a File Passthrough Operation with Outbound TCP Adapter.

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Our company is looking for someone with expert object script skills and experience developing with REST using Caché. We have an existing application that currently supports a mobile application and a web application. The API is up and running but we need another developer to add new features and keep up with demand.

Experience with Amazon AWS is highly desired as the api is running on Windows in EC2. Familiarity with GitHub is also required.

Pay can be negotiated on a per hour basis after you provide an estimate for the time required to complete a given feature.

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Hi everyone, I have and Zen Mojo application, it's all working but I have some doubts about what is recommended to use: There is some reports of employees, for example, and actually I'm using some plugins : "Excelent export" to generate Excel reports and "jspdf" to generate PDF reports in client side.

I have an REST service, that receives the request, process and returns JSON, after client side receive the response it's processed.

- This can be slow/bad in applications with large data?

- It's better/recommended to use ZenReports even with ZenMojo applications?

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Hello everyone!
I need to build something that will receive a REST request. As of now I have tried my luck with using an EnsLib.HTTP.InboundAdapter. But i am not so sure how I am supposed to configure it to be able to receive the REST request together with the JSON body.
I have specified the OnProcessInput in the adapter so that it receives a GlobalCharacterStream. However, I have not had any good luck finding out to actually make the request to the EnsLib.HTTP.InboundAdapter.

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We are using an F5 load balancer to route public traffic to our IS server. My goal is to block public access to the Management Portal, and only allow what we want to expose, such as REST/SOAP services. At the F5, they can block URL wildcards or specific ports, so those are our options.

Since the URLs for the web services are in the same path ([host]/csp/healthshare/[namespace]/*), I can't see any URL wildcards happening. That leads me to ports; is there a way to put services on a specific port for all services, and everything else stay on a standard web port?

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I have a Enslib.REST.operation which I want to use to send a JSON message. In Ensemble I am using the request message to the Business operation as an input for ObjectToJsonStream function so I can send it out (this is the way to go right?). However, I am now running into the fact that one of the attributes (template_name) contains an underscore and that I am not allowed to use the underscore to define the property in my ensemble RequestMessage:

Property template_name As %String;

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