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AI Engine: Function Calling
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| <?php | |
| #region Functions Definitions + Callable Functions | |
| function define_userInfo() { | |
| return Meow_MWAI_Query_Function::fromJson( [ | |
| 'id' => 'userInfo', // Anything you like! | |
| 'type' => 'manual', // You can set it to your add-on name (if null, it will be 'manual') | |
| 'name' => 'getCurrentUserInfo', // Important: What's the name of the function? | |
| 'desc' => 'Get the current user information.' // Important: What the function does? | |
| ] ); | |
| } | |
| function call_userInfo() { | |
| $current_user = wp_get_current_user(); | |
| if ( $current_user->exists() ) { | |
| return json_encode( [ | |
| 'user_url' => $current_user->user_url, | |
| 'user_login' => $current_user->user_login, | |
| 'user_email' => $current_user->user_email, | |
| 'display_name' => $current_user->display_name, | |
| ] ); | |
| } | |
| return null; | |
| } | |
| function define_sendEmail() { | |
| return Meow_MWAI_Query_Function::fromJson( [ | |
| 'id' => 'sendEmail', // Anything you like! | |
| 'type' => 'manual', // You can set it to your add-on name (if null, it will be 'manual') | |
| 'name' => 'sendEmail', // Important: What's the name of the function? | |
| 'desc' => 'Send an email to the admin.', // Important: What the function does? | |
| 'args' => [ | |
| [ | |
| 'name' => 'subject', | |
| 'desc' => 'The subject of the email.', | |
| 'type' => 'string', | |
| 'required' => true | |
| ], | |
| [ | |
| 'name' => 'message', | |
| 'desc' => 'The message of the email.', | |
| 'type' => 'string', | |
| 'required' => true | |
| ] | |
| ] | |
| ] ); | |
| } | |
| function call_sendEmail( $subject, $message ) { | |
| $admin_email = get_option( 'admin_email' ); | |
| if ( empty( $admin_email ) ) { | |
| return 'The admin email is not set.'; | |
| } | |
| $headers = 'From: ' . get_bloginfo( 'name' ) . ' <' . $admin_email . '>'; | |
| $result = wp_mail( $admin_email, $subject, $message, $headers ); | |
| return $result ? 'The email has been sent.' : 'The email could not be sent.'; | |
| } | |
| #endregion | |
| // DEF #1: Register functions naturally. They will then be selectable in Settings. | |
| add_filter( 'mwai_functions_list', function ( $functions ) { | |
| $functions[] = define_userInfo(); | |
| $functions[] = define_sendEmail(); | |
| return $functions; | |
| }, 10, 1 ); | |
| // DEF #2: Force-add functions into the query. | |
| // This will not work with OpenAI Assistants. | |
| add_filter( 'mwai_ai_query', function ( $query ) { | |
| $query->add_function( define_userInfo() ); | |
| $query->add_function( define_sendEmail() ); | |
| return $query; | |
| }, 10, 1 ); | |
| // CALL #1: Give the value as a feecback to the AI model. | |
| // The AI model will prepare the final answer or ask for more feedback. | |
| add_filter( 'mwai_ai_feedback', function ( $value, $needFeedback ) { | |
| $function = $needFeedback['function']; | |
| if ( $function->id === 'userInfo' ) { | |
| return call_userInfo(); | |
| } | |
| else if ( $function->id === 'sendEmail' ) { | |
| $subject = $needFeedback['arguments']['subject']; | |
| $message = $needFeedback['arguments']['message']; | |
| return call_sendEmail( $subject, $message ); | |
| } | |
| return $value; | |
| }, 10, 2 ); | |
| // CALL #2: Override the reply with our own, based on the feedback value. | |
| // The AI model will have no chance to process the feedback. | |
| add_filter( 'mwai_ai_reply', function ( $reply, $query ) { | |
| foreach ( $reply->needFeedbacks as $index => $needFeedback ) { | |
| $function = $needFeedback['function']; | |
| if ( $function->id === 'userInfo' ) { | |
| $value = call_userInfo(); | |
| if ( !empty( $value ) ) { | |
| $reply->result = "Here is your data: " . $value; | |
| unset( $reply->needFeedbacks[$index] ); | |
| return $reply; | |
| } | |
| } | |
| } | |
| return $reply; | |
| }, 10, 2 ); |
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