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feat: Live Chat with event polling for real-time #13

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Merged
mpge merged 3 commits into from
Apr 8, 2026
Merged

feat: Live Chat with event polling for real-time #13

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555674e
feat: add live chat with event polling for real-time messaging
mpge Apr 8, 2026
f33ff07
Fix ChatSessionService: use AssignmentService for assign, TicketServi…
mpge Apr 8, 2026
0d31bd4
Fix snooze service: query ticket_meta directly instead of SHOW TABLES…
mpge Apr 8, 2026
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2 changes: 2 additions & 0 deletions includes/Api/class-api-bootstrap.php
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ public function register_routes(): void
new Saved_View_Controller,
new Ticket_Snooze_Controller,
new Ticket_Split_Controller,
new Chat_Controller,
new Widget_Chat_Controller,
];

foreach ($controllers as $controller) {
Expand Down
226 changes: 226 additions & 0 deletions includes/Api/class-chat-controller.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,226 @@
<?php

/**
* Chat Controller - agent-facing REST API endpoints for live chat.
*/

namespace Escalated\Api;

use Escalated\Services\ChatSessionService;
use WP_REST_Request;
use WP_REST_Server;

class Chat_Controller extends Base_Controller
{
/**
* Route base.
*
* @var string
*/
protected $rest_base = 'chat';

/**
* Register chat routes.
*/
public function register_routes(): void
{
// Get waiting queue.
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/queue',
[
[
'methods' => WP_REST_Server::READABLE,
'callback' => [$this, 'get_queue'],
'permission_callback' => [$this, 'token_permissions_check'],
],
]
);

// Get active sessions for an agent.
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/active',
[
[
'methods' => WP_REST_Server::READABLE,
'callback' => [$this, 'get_active'],
'permission_callback' => [$this, 'token_permissions_check'],
'args' => [
'agent_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
],
],
]
);

// Accept a chat session.
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/(?P<session_id>\d+)/accept',
[
[
'methods' => WP_REST_Server::CREATABLE,
'callback' => [$this, 'accept_session'],
'permission_callback' => [$this, 'token_permissions_check'],
'args' => [
'session_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
'agent_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
],
],
]
);

// Send a message in a chat session (as agent).
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/(?P<session_id>\d+)/messages',
[
[
'methods' => WP_REST_Server::CREATABLE,
'callback' => [$this, 'send_message'],
'permission_callback' => [$this, 'token_permissions_check'],
'args' => [
'session_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
'body' => [
'required' => true,
'type' => 'string',
],
'agent_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
],
],
]
);

// End a chat session.
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/(?P<session_id>\d+)/end',
[
[
'methods' => WP_REST_Server::CREATABLE,
'callback' => [$this, 'end_session'],
'permission_callback' => [$this, 'token_permissions_check'],
'args' => [
'session_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
],
],
]
);

// Get a specific session.
register_rest_route(
$this->namespace,
'/'.$this->rest_base.'/(?P<session_id>\d+)',
[
[
'methods' => WP_REST_Server::READABLE,
'callback' => [$this, 'get_session'],
'permission_callback' => [$this, 'token_permissions_check'],
'args' => [
'session_id' => [
'required' => true,
'type' => 'integer',
'sanitize_callback' => 'absint',
],
],
],
]
);
}

public function get_queue(): \WP_REST_Response
{
$service = new ChatSessionService;

return $this->success($service->get_waiting());
}

public function get_active(WP_REST_Request $request): \WP_REST_Response
{
$service = new ChatSessionService;
$agent_id = (int) $request->get_param('agent_id');

return $this->success($service->get_active_for_agent($agent_id));
}

public function accept_session(WP_REST_Request $request)
{
$service = new ChatSessionService;
$session_id = (int) $request->get_param('session_id');
$agent_id = (int) $request->get_param('agent_id');

try {
$session = $service->accept($session_id, $agent_id);

return $this->success($session);
} catch (\Throwable $e) {
return $this->error('escalated_chat_error', $e->getMessage(), 400);
}
}

public function send_message(WP_REST_Request $request)
{
$service = new ChatSessionService;
$session_id = (int) $request->get_param('session_id');
$body = $request->get_param('body');
$agent_id = (int) $request->get_param('agent_id');

try {
$reply = $service->send_message($session_id, $body, $agent_id, 'agent');

return $this->success($reply, 201);
} catch (\Throwable $e) {
return $this->error('escalated_chat_error', $e->getMessage(), 400);
}
}

public function end_session(WP_REST_Request $request)
{
$service = new ChatSessionService;
$session_id = (int) $request->get_param('session_id');

try {
$session = $service->end($session_id);

return $this->success($session);
} catch (\Throwable $e) {
return $this->error('escalated_chat_error', $e->getMessage(), 400);
}
}

public function get_session(WP_REST_Request $request)
{
$session_id = (int) $request->get_param('session_id');
$session = \Escalated\Models\ChatSession::find($session_id);

if (! $session) {
return $this->error('escalated_not_found', __('Chat session not found.', 'escalated'), 404);
}

return $this->success($session);
}
}
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