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<?php
require 'vendor/autoload.php';
use GuzzleHttp\Client;
class DifyClient {
protected $api_key;
protected $base_url;
protected $client;
public function __construct($api_key) {
$this->api_key = $api_key;
$this->base_url = "https://api.dify.ai/v1/";
$this->client = new Client([
'base_uri' => $this->base_url,
'headers' => [
'Authorization' => 'Bearer ' . $this->api_key,
'Content-Type' => 'application/json',
],
]);
$this->file_client = new Client([
'base_uri' => $this->base_url,
'headers' => [
'Authorization' => 'Bearer ' . $this->api_key,
'Content-Type' => 'multipart/form-data',
],
]);
}
protected function send_request($method, $endpoint, $data = null, $params = null, $stream = false) {
$options = [
'json' => $data,
'query' => $params,
'stream' => $stream,
];
$response = $this->client->request($method, $endpoint, $options);
return $response;
}
public function message_feedback($message_id, $rating, $user) {
$data = [
'rating' => $rating,
'user' => $user,
];
return $this->send_request('POST', "messages/{$message_id}/feedbacks", $data);
}
public function get_application_parameters($user) {
$params = ['user' => $user];
return $this->send_request('GET', 'parameters', null, $params);
}
public function file_upload($user, $files) {
$data = ['user' => $user];
$options = [
'multipart' => $this->prepareMultipart($data, $files)
];
return $this->file_client->request('POST', 'files/upload', $options);
}
protected function prepareMultipart($data, $files) {
$multipart = [];
foreach ($data as $key => $value) {
$multipart[] = [
'name' => $key,
'contents' => $value
];
}
foreach ($files as $file) {
$multipart[] = [
'name' => 'file',
'contents' => fopen($file['tmp_name'], 'r'),
'filename' => $file['name']
];
}
return $multipart;
}
}
class CompletionClient extends DifyClient {
public function create_completion_message($inputs, $response_mode, $user, $files = null) {
$data = [
'inputs' => $inputs,
'response_mode' => $response_mode,
'user' => $user,
'files' => $files,
];
return $this->send_request('POST', 'completion-messages', $data, null, $response_mode === 'streaming');
}
}
class ChatClient extends DifyClient {
public function create_chat_message($inputs, $query, $user, $response_mode = 'blocking', $conversation_id = null, $files = null) {
$data = [
'inputs' => $inputs,
'query' => $query,
'user' => $user,
'response_mode' => $response_mode,
'files' => $files,
];
if ($conversation_id) {
$data['conversation_id'] = $conversation_id;
}
return $this->send_request('POST', 'chat-messages', $data, null, $response_mode === 'streaming');
}
public function get_conversation_messages($user, $conversation_id = null, $first_id = null, $limit = null) {
$params = ['user' => $user];
if ($conversation_id) {
$params['conversation_id'] = $conversation_id;
}
if ($first_id) {
$params['first_id'] = $first_id;
}
if ($limit) {
$params['limit'] = $limit;
}
return $this->send_request('GET', 'messages', null, $params);
}
public function get_conversations($user, $first_id = null, $limit = null, $pinned = null) {
$params = [
'user' => $user,
'first_id' => $first_id,
'limit' => $limit,
'pinned'=> $pinned,
];
return $this->send_request('GET', 'conversations', null, $params);
}
public function rename_conversation($conversation_id, $name, $user) {
$data = [
'name' => $name,
'user' => $user,
];
return $this->send_request('PATCH', "conversations/{$conversation_id}", $data);
}
}
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