modules
3 years ago
admin.php
3 years ago
ai.php
3 years ago
answer.php
3 years ago
core.php
3 years ago
init.php
3 years ago
openai.php
3 years ago
query.php
3 years ago
queryembed.php
3 years ago
queryimage.php
3 years ago
querytext.php
3 years ago
rest.php
3 years ago
ui.php
3 years ago
ai.php
189 lines
| 1 | <?php |
| 2 | |
| 3 | class Meow_MWAI_AI { |
| 4 | private $core = null; |
| 5 | private $localApiKey = null; |
| 6 | |
| 7 | public function __construct( $core ) { |
| 8 | $this->core = $core; |
| 9 | $this->localApiKey = $this->core->get_option( 'openai_apikey' ); |
| 10 | } |
| 11 | |
| 12 | public function runEmbedding( $query ) { |
| 13 | if ( empty( $query->apiKey ) ) { |
| 14 | $query->apiKey = $this->localApiKey; |
| 15 | } |
| 16 | $openai = new Meow_MWAI_OpenAI( $this->core ); |
| 17 | $body = array( 'input' => $query->prompt, 'model' => $query->model ); |
| 18 | $data = $openai->run( 'POST', '/embeddings', $body ); |
| 19 | if ( empty( $data ) || !isset( $data['data'] ) ) { |
| 20 | throw new Exception( 'Invalid data for embedding.' ); |
| 21 | } |
| 22 | $usage = $data['usage']; |
| 23 | $this->core->record_tokens_usage( $query->model, $usage['prompt_tokens'] ); |
| 24 | $answer = new Meow_MWAI_Answer( $query ); |
| 25 | $answer->setUsage( $usage ); |
| 26 | $answer->setChoices( $data['data'] ); |
| 27 | return $answer; |
| 28 | } |
| 29 | |
| 30 | public function runCompletion( $query ) { |
| 31 | if ( empty( $query->apiKey ) ) { |
| 32 | $query->apiKey = $this->localApiKey; |
| 33 | } |
| 34 | |
| 35 | $url = ""; |
| 36 | $body = array( |
| 37 | "model" => $query->model, |
| 38 | "stop" => $query->stop, |
| 39 | "n" => $query->maxResults, |
| 40 | "max_tokens" => $query->maxTokens, |
| 41 | "temperature" => $query->temperature, |
| 42 | ); |
| 43 | |
| 44 | if ( $query->mode === 'chat' ) { |
| 45 | $url = 'https://api.openai.com/v1/chat/completions'; |
| 46 | $body['messages'] = $query->messages; |
| 47 | } |
| 48 | else if ( $query->mode === 'completion' ) { |
| 49 | $url = 'https://api.openai.com/v1/completions'; |
| 50 | $body['prompt'] = $query->prompt; |
| 51 | } |
| 52 | else { |
| 53 | throw new Exception( 'Unknown mode for query: ' . $query->mode ); |
| 54 | } |
| 55 | |
| 56 | $options = array( |
| 57 | "headers" => "Content-Type: application/json\r\n" . "Authorization: Bearer " . $query->apiKey . "\r\n", |
| 58 | "method" => "POST", |
| 59 | "timeout" => 120, |
| 60 | "body" => json_encode( $body ), |
| 61 | "sslverify" => false |
| 62 | ); |
| 63 | |
| 64 | try { |
| 65 | $response = wp_remote_get( $url, $options ); |
| 66 | if ( is_wp_error( $response ) ) { |
| 67 | throw new Exception( $response->get_error_message() ); |
| 68 | } |
| 69 | $response = wp_remote_retrieve_body( $response ); |
| 70 | $data = json_decode( $response, true ); |
| 71 | |
| 72 | // Error handling |
| 73 | if ( isset( $data['error'] ) ) { |
| 74 | $message = $data['error']['message']; |
| 75 | // If the message contains "Incorrect API key provided: THE_KEY.", replace the key by "----". |
| 76 | if ( preg_match( '/API key provided(: .*)\./', $message, $matches ) ) { |
| 77 | $message = str_replace( $matches[1], '', $message ); |
| 78 | } |
| 79 | throw new Exception( $message ); |
| 80 | } |
| 81 | if ( !$data['model'] ) { |
| 82 | error_log( print_r( $data, 1 ) ); |
| 83 | throw new Exception( "Got an unexpected response from OpenAI. Check your PHP Error Logs." ); |
| 84 | } |
| 85 | $answer = new Meow_MWAI_Answer( $query ); |
| 86 | $usage = $this->core->record_tokens_usage( $data['model'], $data['usage']['prompt_tokens'], |
| 87 | $data['usage']['completion_tokens'] ); |
| 88 | $answer->setUsage( $usage ); |
| 89 | $answer->setChoices( $data['choices'] ); |
| 90 | return $answer; |
| 91 | } |
| 92 | catch ( Exception $e ) { |
| 93 | error_log( $e->getMessage() ); |
| 94 | throw new Exception( 'Error while calling OpenAI: ' . $e->getMessage() ); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | // Request to DALL-E API |
| 99 | public function runCreateImages( $query ) { |
| 100 | if ( empty( $query->apiKey ) ) { |
| 101 | $query->apiKey = $this->localApiKey; |
| 102 | } |
| 103 | $url = 'https://api.openai.com/v1/images/generations'; |
| 104 | $options = array( |
| 105 | "headers" => "Content-Type: application/json\r\n" . "Authorization: Bearer " . $query->apiKey . "\r\n", |
| 106 | "method" => "POST", |
| 107 | "timeout" => 120, |
| 108 | "body" => json_encode( array( |
| 109 | "prompt" => $query->prompt, |
| 110 | "n" => $query->maxResults, |
| 111 | "size" => '1024x1024', |
| 112 | ) ), |
| 113 | "sslverify" => false |
| 114 | ); |
| 115 | |
| 116 | try { |
| 117 | $response = wp_remote_get( $url, $options ); |
| 118 | if ( is_wp_error( $response ) ) { |
| 119 | throw new Exception( $response->get_error_message() ); |
| 120 | } |
| 121 | $response = wp_remote_retrieve_body( $response ); |
| 122 | $data = json_decode( $response, true ); |
| 123 | |
| 124 | // Error handling |
| 125 | if ( isset( $data['error'] ) ) { |
| 126 | $message = $data['error']['message']; |
| 127 | // If the message contains "Incorrect API key provided: THE_KEY.", replace the key by "----". |
| 128 | if ( preg_match( '/API key provided(: .*)\./', $message, $matches ) ) { |
| 129 | $message = str_replace( $matches[1], '', $message ); |
| 130 | } |
| 131 | throw new Exception( $message ); |
| 132 | } |
| 133 | |
| 134 | $answer = new Meow_MWAI_Answer( $query ); |
| 135 | $usage = $this->core->record_images_usage( "dall-e", "1024x1024", $query->maxResults ); |
| 136 | $answer->setUsage( $usage ); |
| 137 | $answer->setChoices( $data['data'] ); |
| 138 | return $answer; |
| 139 | } |
| 140 | catch ( Exception $e ) { |
| 141 | error_log( $e->getMessage() ); |
| 142 | throw new Exception( 'Error while calling OpenAI: ' . $e->getMessage() ); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | public function throwException( $message ) { |
| 147 | $message = apply_filters( 'mwai_ai_exception', $message ); |
| 148 | throw new Exception( $message ); |
| 149 | } |
| 150 | |
| 151 | public function run( $query ) { |
| 152 | |
| 153 | // Check if the query is allowed |
| 154 | $limits = $this->core->get_option( 'limits' ); |
| 155 | $ok = apply_filters( 'mwai_ai_allowed', true, $query, $limits ); |
| 156 | if ( $ok !== true ) { |
| 157 | $message = is_string( $ok ) ? $ok : 'Unauthorized query.'; |
| 158 | $this->throwException( $message ); |
| 159 | } |
| 160 | |
| 161 | // Allow to modify the query |
| 162 | $query = apply_filters( 'mwai_ai_query', $query ); |
| 163 | |
| 164 | // Run the query |
| 165 | $answer = null; |
| 166 | try { |
| 167 | if ( $query instanceof Meow_MWAI_QueryText ) { |
| 168 | $answer = $this->runCompletion( $query ); |
| 169 | } |
| 170 | else if ( $query instanceof Meow_MWAI_QueryEmbed ) { |
| 171 | $answer = $this->runEmbedding( $query ); |
| 172 | } |
| 173 | else if ( $query instanceof Meow_MWAI_QueryImage ) { |
| 174 | $answer = $this->runCreateImages( $query ); |
| 175 | } |
| 176 | else { |
| 177 | $this->throwException( 'Invalid query.' ); |
| 178 | } |
| 179 | } |
| 180 | catch ( Exception $e ) { |
| 181 | $this->throwException( $e->getMessage() ); |
| 182 | } |
| 183 | |
| 184 | // Let's allow some modififications of the answer |
| 185 | $answer = apply_filters( 'mwai_ai_reply', $answer, $query ); |
| 186 | return $answer; |
| 187 | } |
| 188 | } |
| 189 |