Notes

@RestResource(urlMapping = '/omnichannel/task') // This opens the endpoint at /services/apexrest/omnichannel/task
global class OmniChannelTaskService {

// Inner class to represent the request body for deserialization
private class OmniTaskRequest {
public String type; // Type of communication
public List<String> recipients; // List of emails or numbers
public String origin; // Origin emailbox
public String title; // Subject or title
public String body; // Body of the message
public String accountNumber; // account number of the cliente
}

// Inner class for the response that will be sent back
global class TaskResponse {
public String status; // Success or failure
public String message; // Message providing more context
public String taskId; // ID of the Task that was created (if successful)
}

// Method to handle POST requests
@HttpPost
global static TaskResponse createTask() {
// Initialize the response object
TaskResponse response = new TaskResponse();

try {
// Parse the request body (JSON to Apex Object)
String requestBody = RestContext.request.requestBody.toString();
OmniTaskRequest taskRequest = (OmniTaskRequest) JSON.deserialize(requestBody, OmniTaskRequest.class);

// Validate that all required fields are present in the request
if (isEmpty(taskRequest.type) || isEmpty(taskRequest.title) || isEmpty(taskRequest.body)) {
RestContext.response.statusCode = 400; // Bad Request
response.status = 'Error';
response.message = 'Missing required fields: type, title, or body.';
return response;
}

// Create a new Task record
Task newTask = new Task();
// Set required fields - mandatory fields
newTask.Subject = taskRequest.title; // The title sent in the request
newTask.ActivityDate = Date.newInstance(2040, 12, 30); // Static date for now
newTask.Priority = 'Normal'; // Static priority
newTask.OwnerId = '005Qs000002WsYnIAK'; // Static Owner ID (your User ID for now)
newTask.RecordTypeId = '0127Q0000013ViQQAU'; // Standard Task record type

// Set the custom fields sent by the Omni-channel team
//newTask.OMNI_Type__c = taskRequest.type; // Maps to "Tipo De Comunicação"
//newTask.OMNI_recipients__c = String.join(taskRequest.recipients, ', '); // Combines recipients into a string
//newTask.OMNI_originMailbox__c = taskRequest.origin; // Maps to "Emailbox de Origem"
newTask.Description = taskRequest.body; // Maps to "Description" (standard Salesforce field)

// Insert the Task into Salesforce
insert newTask;

// Populate the response with success status
response.status = 'Success';
response.message = 'Task created successfully';
response.taskId = newTask.Id;
RestContext.response.statusCode = 201; // HTTP 201 Created

return response;

} catch (Exception e) {
// Handle any unexpected errors
RestContext.response.statusCode = 500; // Internal Server Error
response.status = 'Error';
response.message = 'An internal error occurred: ' + e.getMessage();
return response;
}
}
// Helper method to check if a string is null or empty
private static Boolean isEmpty(String str) {
return str == null || str.trim().length() == 0;
}
}