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<?php |
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/* Copyright (C) 2024 Laurent Destailleur <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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* or see https://www.gnu.org/ |
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*/ |
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namespace DoliModules\Ai\Model; |
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use DoliDB; |
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require_once DOL_DOCUMENT_ROOT . "/core/lib/admin.lib.php"; |
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require_once DOL_DOCUMENT_ROOT . '/core/lib/geturl.lib.php'; |
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/** |
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* Class for AI |
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*/ |
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class Ai |
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{ |
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/** |
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* @var DoliDB $db Database object |
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*/ |
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protected $db; |
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/** |
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* @var string $apiEndpoint |
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*/ |
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private $apiEndpoint; |
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/** |
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* @var string $apiKey |
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*/ |
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private $apiKey; |
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/** |
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* Constructor |
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* |
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* @param DoliDB $db Database handler |
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* |
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*/ |
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public function __construct($db) |
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{ |
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$this->db = $db; |
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$this->apiKey = getDolGlobalString('AI_API_CHATGPT_KEY'); |
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} |
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/** |
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* Generate response of instructions |
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* |
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* @param string $instructions Instruction to generate content |
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* @param string $model Model name ('gpt-3.5-turbo', 'gpt-4-turbo', 'dall-e-3', ...) |
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* @param string $function Code of the feature we want to use ('textgeneration', 'transcription', 'audiotext', |
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* 'imagegeneration', 'translation') |
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* @param string $format Format for output ('', 'html', ...) |
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* |
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* @return mixed $response |
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*/ |
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public function generateContent($instructions, $model = 'auto', $function = 'textgeneration', $format = '') |
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{ |
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if (empty($this->apiKey)) { |
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return ['error' => true, 'message' => 'API key is no defined']; |
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} |
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if (empty($this->apiEndpoint)) { |
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if ($function == 'textgeneration') { |
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$this->apiEndpoint = 'https://api.openai.com/v1/chat/completions'; |
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if ($model == 'auto') { |
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$model = getDolGlobalString('AI_API_CHATGPT_MODEL_TEXT', 'gpt-3.5-turbo'); |
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} |
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} |
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if ($function == 'imagegeneration') { |
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$this->apiEndpoint = 'https://api.openai.com/v1/images/generations'; |
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if ($model == 'auto') { |
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$model = getDolGlobalString('AI_API_CHATGPT_MODEL_IMAGE', 'dall-e-3'); |
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} |
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} |
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if ($function == 'audiotext') { |
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$this->apiEndpoint = 'https://api.openai.com/v1/audio/speech'; |
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if ($model == 'auto') { |
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$model = getDolGlobalString('AI_API_CHATGPT_MODEL_AUDIO', 'tts-1'); |
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} |
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} |
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if ($function == 'transcription') { |
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$this->apiEndpoint = 'https://api.openai.com/v1/audio/transcriptions'; |
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if ($model == 'auto') { |
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$model = getDolGlobalString('AI_API_CHATGPT_MODEL_TRANSCRIPT', 'whisper-1'); |
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} |
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} |
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if ($function == 'translation') { |
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$this->apiEndpoint = 'https://api.openai.com/v1/audio/translations'; |
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if ($model == 'auto') { |
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$model = getDolGlobalString('AI_API_CHATGPT_MODEL_TRANSLATE', 'whisper-1'); |
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} |
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} |
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} |
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dol_syslog("Call API for apiEndpoint=" . $this->apiEndpoint . " apiKey=" . substr($this->apiKey, 0, 3) . '***********, model=' . $model); |
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try { |
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$configurationsJson = getDolGlobalString('AI_CONFIGURATIONS_PROMPT'); |
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$configurations = json_decode($configurationsJson, true); |
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$prePrompt = ''; |
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$postPrompt = ''; |
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if (isset($configurations[$function])) { |
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if (isset($configurations[$function]['prePrompt'])) { |
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$prePrompt = $configurations[$function]['prePrompt']; |
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} |
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if (isset($configurations[$function]['postPrompt'])) { |
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$postPrompt = $configurations[$function]['postPrompt']; |
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} |
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} |
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$fullInstructions = $prePrompt . ' ' . $instructions . ' .' . $postPrompt; |
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$payload = json_encode([ |
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'messages' => [ |
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['role' => 'user', 'content' => $fullInstructions], |
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], |
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'model' => $model, |
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]); |
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$headers = ([ |
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'Authorization: Bearer ' . $this->apiKey, |
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'Content-Type: application/json', |
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]); |
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$response = getURLContent($this->apiEndpoint, 'POST', $payload, 1, $headers); |
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if (empty($response['http_code'])) { |
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throw new Exception('API request failed. No http received'); |
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} |
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if (!empty($response['http_code']) && $response['http_code'] != 200) { |
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throw new Exception('API request failed with status code ' . $response['http_code']); |
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} |
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// Decode JSON response |
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$decodedResponse = json_decode($response['content'], true); |
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// Extraction content |
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$generatedEmailContent = $decodedResponse['choices'][0]['message']['content']; |
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// If content is not HTML, we convert it into HTML |
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if (!dol_textishtml($generatedEmailContent)) { |
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$generatedEmailContent = dol_nl2br($generatedEmailContent); |
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} |
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return $generatedEmailContent; |
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} catch (Exception $e) { |
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$errormessage = $e->getMessage(); |
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if (!empty($response['content'])) { |
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$decodedResponse = json_decode($response['content'], true); |
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// With OpenAI, error is into an object error into the content |
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if (!empty($decodedResponse['error']['message'])) { |
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$errormessage .= ' - ' . $decodedResponse['error']['message']; |
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} |
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} |
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return ['error' => true, 'message' => $errormessage, 'code' => (empty($response['http_code']) ? 0 : $response['http_code']), 'curl_error_no' => (empty($response['curl_error_no']) ? $response['curl_error_no'] : '')]; |
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} |
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} |
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} |
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alxarafe /
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