file = $file;
$this->version = $version;
$this->define_constants();
$this->includes();
$this->init_hooks();
}
/**
* Define the plugin constants.
*
* @since 1.0.0
* @return void
*/
private function define_constants() {
define( 'AICW_VERSION', $this->version );
define( 'AICW_FILE', $this->file );
define( 'AICW_PATH', plugin_dir_path( $this->file ) );
define( 'AICW_URL', plugin_dir_url( $this->file ) );
define( 'AICW_ASSETS_URL', AICW_URL . 'assets/' );
}
/**
* Include the required files.
*
* @since 1.0.0
* @return void
*/
private function includes() {
require_once __DIR__ . '/functions.php';
// Require the deprecated functions file.
require_once __DIR__ . '/deprecated.php';
}
/**
* Initialize the plugin hooks.
*
* @since 1.0.0
* @return void
*/
private function init_hooks() {
register_activation_hook( AICW_FILE, array( $this, 'activate' ) );
add_filter( 'plugin_action_links_' . plugin_basename( AICW_FILE ), array( $this, 'action_links' ) );
add_action( 'admin_notices', array( $this, 'display_flash_notices' ), 12 );
add_action( 'init', array( $this, 'init' ), 0 );
}
/**
* Add action links to the plugin.
*
* @param array $links The plugin action links.
*
* @since 1.0.0
* @return array The modified plugin action links.
*/
public function action_links( $links ) {
$action_links = array(
'settings' => sprintf(
/* translators: %1$s: Settings URL, %2$s: Settings text */
'%2$s',
esc_url( admin_url( 'admin.php?page=aicw-settings' ) ),
esc_html__( 'Settings', 'ai-content-writer' )
),
);
return array_merge( $action_links, $links );
}
/**
* Activate the plugin.
*
* @since 1.0.0
* @return void
*/
public function activate() {
update_option( 'aicw_version', AICW_VERSION );
}
/**
* Add a flash notice.
*
* @param string $notice Notice message.
* @param string $type This can be "info", "warning", "error" or "success", "success" as default.
* @param boolean $dismissible Whether the notice is-dismissible or not.
*
* @since 1.0.0
* @return void
*/
public function flash_notice( $notice = '', $type = 'success', $dismissible = true ) {
$notices = get_option( 'aicw_flash_notices', array() );
$dismissible_text = ( $dismissible ) ? 'is-dismissible' : '';
// Add new notice.
array_push(
$notices,
array(
'notice' => $notice,
'type' => $type,
'dismissible' => $dismissible_text,
)
);
// Update the notices array.
update_option( 'aicw_flash_notices', $notices );
}
/**
* Display flash notices after that, remove the option to prevent notices being displayed forever.
*
* @since 1.0.0
* @return void
*/
public function display_flash_notices() {
$notices = get_option( 'aicw_flash_notices', array() );
foreach ( $notices as $notice ) {
printf(
'',
esc_attr( $notice['type'] ),
esc_attr( $notice['dismissible'] ),
esc_html( $notice['notice'] ),
);
}
// Reset options to prevent notices being displayed forever.
if ( ! empty( $notices ) ) {
delete_option( 'aicw_flash_notices', array() );
}
}
/**
* Initialize the plugin.
*
* @since 1.0.0
* @return void
*/
public function init() {
// Load admin classes.
if ( is_admin() ) {
new Admin\Admin();
new Admin\Actions();
}
}
/**
* Generate content with the help of Open AI API.
* This method is used to generate content based on the user input configurations and settings.
*
* @param array $prompt_data The prompt data to generate content.
*
* @since 1.0.0
* @return string|\WP_Error The generated content.
*/
public function generate_content( $prompt_data ) {
// Retrieve API key from settings.
$api_key = get_option( 'aicw_gemini_api_key' );
if ( empty( $api_key ) ) {
return new \WP_Error( 'aicw_api_key_not_set', esc_html__( 'Please configure the API settings. A valid Gemini API key is required to generate the content.', 'ai-content-writer' ) );
}
// Define the API URL.
// https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-flash-latest:generateContent.
$url = 'https://generativelanguage.googleapis.com/v1/models/gemini-pro:generateContent';
// The data payload to send to the Gemini API.
$data = array(
'contents' => array(
array(
'role' => 'user',
'parts' => array(
$prompt_data,
),
),
),
);
// Set up the arguments for the request.
$args = array(
'body' => wp_json_encode( $data ),
'headers' => array(
'Content-Type' => 'application/json',
'x-goog-api-key' => $api_key,
),
'method' => 'POST',
'data_format' => 'body',
'timeout' => 300,
);
// Make the request.
$response = wp_remote_post( $url, $args );
// Check if the request returned an error.
if ( is_wp_error( $response ) ) {
// Handle the error appropriately.
$error_msg = $response->get_error_message();
return new \WP_Error( 'api_error', $error_msg );
}
// Get the response body.
$body = wp_remote_retrieve_body( $response );
// Decode the JSON response.
$result = json_decode( $body, true );
// Handle the response data.
if ( isset( $result['candidates'][0]['content']['parts'][0]['text'] ) ) {
$generated_text = $result['candidates'][0]['content']['parts'][0]['text'];
return $generated_text;
} else {
// Handle the case where the response does not contain the expected data.
return new \WP_Error( 'unexpected_api_response', esc_html__( 'An unexpected error occurred while generating the content.', 'ai-content-writer' ) );
}
}
/**
* Generate content with the help of ChatGPT Open AI API.
* This method is used to generate content based on the user input configurations and settings.
*
* @param array $prompt_data The prompt data to generate openAI content.
*
* @since 1.0.0
* @return string|\WP_Error The generated content.
*/
public function generate_openai_content( $prompt_data ) {
$api_secret_key = isset( $prompt_data['secret_key'] ) ? $prompt_data['secret_key'] : '';
// Bail if the API Secret key is not set.
if ( empty( $api_secret_key ) ) {
return new \WP_Error( 'aicw_api_secret_key_not_set', esc_html__( 'Please configure the API settings. A valid ChatGPT OpenAI API key is required to generate the content.', 'ai-content-writer' ) );
}
$prompt = isset( $prompt_data['prompt'] ) ? $prompt_data['prompt'] : '';
if ( empty( $prompt ) ) {
return new \WP_Error( 'aicw_prompt_not_set', esc_html__( 'Please provide a prompt to generate the content.', 'ai-content-writer' ) );
}
$system_tone = isset( $prompt_data['system_tone'] ) ? $prompt_data['system_tone'] : esc_html__( 'You are an expert SEO content writer. Generate factually accurate, engaging, and well-structured articles optimized for readability and search engines.', 'ai-content-writer' );
$max_tokens = isset( $prompt_data['max_tokens'] ) ? $prompt_data['max_tokens'] : 1000;
$temperature = isset( $prompt_data['temperature'] ) ? $prompt_data['temperature'] : 0.7;
$chatgpt_ai_model = get_option( 'aicw_chatgpt_ai_model', 'gpt-3.5-turbo' );
// Define the API URL.
$api_url = 'https://api.openai.com/v1/chat/completions';
// The data payload to send to the OpenAI API.
$data = array(
'model' => $chatgpt_ai_model,
'messages' => array(
array(
'role' => 'system',
'content' => $system_tone,
),
array(
'role' => 'user',
'content' => $prompt,
),
),
'max_tokens' => $max_tokens,
'temperature' => $temperature,
'top_p' => 1,
'frequency_penalty' => 0,
'presence_penalty' => 0,
);
// Set up the arguments for the request.
$args = array(
'headers' => array(
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $api_secret_key,
),
'body' => wp_json_encode( $data ),
'timeout' => 300,
);
// Make the request.
$response = wp_remote_post( $api_url, $args );
// Check if the request returned an error.
if ( is_wp_error( $response ) ) {
$error_msg = $response->get_error_message();
return new \WP_Error( 'api_error', $error_msg );
}
// Get the response body.
$body = wp_remote_retrieve_body( $response );
// Decode the JSON response.
$result = json_decode( $body, true );
// Check if the response contains the expected data.
if ( ! isset( $result['choices'][0]['message']['content'] ) ) {
return new \WP_Error( 'unexpected_api_response', esc_html__( 'An unexpected error occurred while generating the content.', 'ai-content-writer' ) );
}
// Return the generated content.
return $result['choices'][0]['message']['content'];
}
/**
* Generate image with the help of Pexels API.
*
* @param string $query The query to search images.
*
* @since 1.0.0
* @return array|\WP_Error The images array.
*/
public function generate_images( $query ) {
// Retrieve the Pexels API key.
$api_key = get_option( 'aicw_pexels_api_key' );
if ( empty( $api_key ) ) {
return new \WP_Error( 'aicw_api_key_not_set', esc_html__( 'Please configure the API settings. A valid Pexels API key is required to generate the images.', 'ai-content-writer' ) );
}
// Define the API URL.
$url = 'https://api.pexels.com/v1/search?query=' . rawurlencode( $query ) . '&per_page=20';
// Set up the arguments for the request.
$args = array(
'headers' => array(
'Authorization' => $api_key,
),
);
// Make the request.
$response = wp_remote_get( $url, $args );
// Check if the request returned an error.
if ( is_wp_error( $response ) ) {
// Handle the error appropriately.
return new \WP_Error( 'api_error', $response->get_error_message() );
}
// Get the response body.
$body = wp_remote_retrieve_body( $response );
// Decode the JSON response.
$data = json_decode( $body, true );
// Handle the response data.
if ( isset( $data['photos'] ) && ! empty( $data['photos'] ) ) {
return $data['photos'];
} else {
// Handle the case where the response does not contain the expected data.
return new \WP_Error( 'unexpected_api_response', esc_html__( 'An unexpected error occurred while generating the images.', 'ai-content-writer' ) );
}
}
}