AbstractOpenAiCompatibleTextGenerationModel::getMessagePartContentData( WordPress\AiClient\Messages\DTO\MessagePart $part ): WordPress\AiClient\Providers\OpenAiCompatibleImplementation\?array<string,

227    protected function getMessagePartContentData(MessagePart $part): ?array228    {229        $type = $part->getType();230        if ($type->isText()) {231            /*232             * The OpenAI Chat Completions API spec does not support annotating thought parts as input,233             * so we instead skip them.234             */235            if ($part->getChannel()->isThought()) {236                return null;237            }238            return ['type' => 'text', 'text' => $part->getText()];239        }240        if ($type->isFile()) {241            $file = $part->getFile();242            if (!$file) {243                // This should be impossible due to class internals, but still needs to be checked.244                throw new RuntimeException('The file typed message part must contain a file.');245            }246            if ($file->isRemote()) {247                if ($file->isImage()) {248                    return ['type' => 'image_url', 'image_url' => ['url' => $file->getUrl()]];249                }250                throw new InvalidArgumentException(sprintf('Unsupported MIME type "%s" for remote file message part.', $file->getMimeType()));251            }252            // Else, it is an inline file.253            if ($file->isImage()) {254                return ['type' => 'image_url', 'image_url' => ['url' => $file->getDataUri()]];255            }256            if ($file->isAudio()) {257                return ['type' => 'input_audio', 'input_audio' => ['data' => $file->getBase64Data(), 'format' => $file->getMimeTypeObject()->toExtension()]];258            }259            throw new InvalidArgumentException(sprintf('Unsupported MIME type "%s" for inline file message part.', $file->getMimeType()));260        }261        if ($type->isFunctionCall()) {262            // Skip, as this is separately included. See `getMessagePartToolCallData()`.263            return null;264        }265        if ($type->isFunctionResponse()) {266            // Special case: Function response.267            throw new InvalidArgumentException('The API only allows a single function response, as the only content of the message.');268        }269        throw new InvalidArgumentException(sprintf('Unsupported message part type "%s".', $type));270    }