311 lines
12 KiB
PHP
311 lines
12 KiB
PHP
<?php
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/**
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*
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* AI Labs extension
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*
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* @copyright (c) 2023, privet.fun, https://privet.fun
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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*/
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namespace privet\ailabs\controller;
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use privet\ailabs\includes\GenericCurl;
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use Symfony\Component\HttpFoundation\JsonResponse;
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use privet\ailabs\includes\AIController;
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use privet\ailabs\includes\resultParse;
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/*
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config (example)
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{
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"api_key": "<api-key>",
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"url_chat": "https://api.openai.com/v1/chat/completions",
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"model": "gpt-3.5-turbo",
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"temperature": 0.9,
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"max_tokens": 4096,
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"message_tokens": 1024,
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"top_p": 1,
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"frequency_penalty": 0,
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"presence_penalty": 0.6,
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"prefix": "This is optional field you can remove it or populate with something like this -> Pretend your are Bender from Futurma",
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"prefix_tokens": 16
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"max_quote_length": 10
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}
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template
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{info}[quote={poster_name} post_id={post_id} user_id={poster_id}]{request}[/quote]{response}
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*/
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class chatgpt extends AIController
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{
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// https://platform.openai.com/docs/api-reference/chat/create#chat/create-max_tokens
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// By default, the number of tokens the model can return will be (4096 - prompt tokens).
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protected $max_tokens = 4096;
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protected $message_tokens = 2048;
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protected function process()
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{
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$this->job['status'] = 'exec';
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$set = [
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'status' => $this->job['status'],
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'log' => json_encode($this->log)
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];
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$this->job_update($set);
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$this->post_update($this->job);
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if (!empty($this->cfg->message_tokens)) {
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$this->message_tokens = $this->cfg->message_tokens;
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}
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if (!empty($this->cfg->max_tokens)) {
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$this->max_tokens = (int)$this->cfg->max_tokens;
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}
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$prefix_tokens = empty($this->cfg->prefix_tokens) ? 0 : $this->cfg->prefix_tokens;
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$api_key = $this->cfg->api_key;
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$this->cfg->api_key = null;
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$api = new GenericCurl($api_key);
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$this->job['status'] = 'fail';
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$response = $this->language->lang('AILABS_ERROR_CHECK_LOGS');
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$api_response = null;
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$request_tokens = null;
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$response_tokens = null;
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$total_replaced = 0;
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$original_request = $this->job['request'];
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if ($total_replaced > 0) {
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$this->job['request'] = trim(str_replace(' ', ' ', $this->job['request']));
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$this->log['request.original'] = $original_request;
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$this->log['request.adjusted'] = $this->job['request'];
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}
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$messages = [];
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$info = null;
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$posts = [];
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$post_first_taken = null;
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$post_first_discarded = null;
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$mode = $this->job['post_mode'];
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$history = ['post_text' => $this->job['post_text']];
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$pattern = '/<QUOTE\sauthor="' . $this->job['ailabs_username'] . '"\spost_id="(.*)"\stime="(.*)"\suser_id="' . $this->job['ailabs_user_id'] . '">/';
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$this->log['history.pattern'] = $pattern;
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$this->log_flush();
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// Attempt to unwind history using quoted posts
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$history_tokens = 0;
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$round = -1;
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do {
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$round++;
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$matches = null;
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preg_match_all(
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$pattern,
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$history['post_text'],
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$matches
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);
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$history = null;
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if ($matches != null && !empty($matches) && !empty($matches[1][0])) {
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$postid = (int) $matches[1][0];
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$sql = 'SELECT j.job_id, j.post_id, j.response_post_id, j.request, j.response, p.post_text, p.post_time, j.request_tokens, j.response_tokens ' .
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'FROM ' . $this->jobs_table . ' j ' .
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'JOIN ' . POSTS_TABLE . ' p ON p.post_id = j.post_id ' .
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'WHERE ' . $this->db->sql_build_array('SELECT', ['response_post_id' => $postid]);
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$result = $this->db->sql_query($sql);
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$history = $this->db->sql_fetchrow($result);
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$this->db->sql_freeresult($result);
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if (!empty($history)) {
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$count_tokens = $history['request_tokens'] + $history['response_tokens'];
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$discard = $this->max_tokens < ($this->message_tokens + $history_tokens + $count_tokens);
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$posts[] = [
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'postid' => $postid,
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'request_tokens' => $history['request_tokens'],
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'response_tokens' => $history['response_tokens'],
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'runnig_total_tokens' => $history_tokens + $count_tokens,
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'discard' => $discard
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];
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if ($discard) {
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$post_first_discarded = $postid;
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break;
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}
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$post_first_taken = $postid;
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$history_tokens += $count_tokens;
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$history_decoded_request = utf8_decode_ncr($history['request']);
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$history_decoded_response = utf8_decode_ncr($history['response']);
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array_unshift(
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$messages,
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['role' => 'user', 'content' => trim($history_decoded_request)],
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['role' => 'assistant', 'content' => trim($history_decoded_response)]
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);
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if ($round == 0) {
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// Remove quoted content from the quoted post
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$post_text = sprintf(
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'<r><QUOTE author="%1$s" post_id="%2$s" time="%3$s" user_id="%4$s"><s>[quote=%1$s post_id=%2$s time=%3$s user_id=%4$s]</s>%6$s<e>[/quote]</e></QUOTE>%5$s</r>',
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$this->job['ailabs_username'],
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(string) $postid,
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(string) $this->job['post_time'],
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(string) $this->job['ailabs_user_id'],
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$this->job['request'],
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property_exists($this->cfg, 'max_quote_length') ?
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$this->trim_words($history_decoded_response, (int) $this->cfg->max_quote_length) : $history_decoded_response
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);
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$sql = 'UPDATE ' . POSTS_TABLE .
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' SET ' . $this->db->sql_build_array('UPDATE', ['post_text' => utf8_encode_ucr($post_text)]) .
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' WHERE post_id = ' . (int) $this->job['post_id'];
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$result = $this->db->sql_query($sql);
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$this->db->sql_freeresult($result);
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}
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}
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}
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} while (!empty($history));
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if (!empty($posts)) {
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$this->log['history.posts'] = $posts;
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$this->log_flush();
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}
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if (!empty($this->cfg->prefix)) {
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array_unshift(
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$messages,
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['role' => 'system', 'content' => $this->cfg->prefix]
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);
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}
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$messages[] = ['role' => 'user', 'content' => trim($this->job['request'])];
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$this->log['request.messages'] = $messages;
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$this->log_flush();
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try {
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// https://api.openai.com/v1/chat/completions
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$api_result = $api->sendRequest($this->cfg->url_chat, 'POST', [
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'model' => $this->cfg->model,
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'messages' => $messages,
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'temperature' => (float) $this->cfg->temperature,
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// https://platform.openai.com/docs/api-reference/chat/create#chat/create-max_tokens
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// By default, the number of tokens the model can return will be (4096 - prompt tokens).
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// 'max_tokens' => (int) $this->cfg->max_tokens,
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'frequency_penalty' => (float) $this->cfg->frequency_penalty,
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'presence_penalty' => (float)$this->cfg->presence_penalty,
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]);
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/*
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Response example:
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{
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'id': 'chatcmpl-1p2RTPYSDSRi0xRviKjjilqrWU5Vr',
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'object': 'chat.completion',
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'created': 1677649420,
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'model': 'gpt-3.5-turbo',
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'usage': {'prompt_tokens': 56, 'completion_tokens': 31, 'total_tokens': 87},
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'choices': [
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{
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'message': {
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'role': 'assistant',
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'content': 'The 2020 World Series was played in Arlington, Texas at the Globe Life Field, which was the new home stadium for the Texas Rangers.'
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},
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'finish_reason': 'stop',
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'index': 0
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}
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]
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}
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*/
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$json = json_decode($api_result);
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$this->log['response'] = $json;
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$this->log['response.codes'] = $api->responseCodes;
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$this->log_flush();
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if (
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empty($json->object) ||
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empty($json->choices) ||
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$json->object != 'chat.completion' ||
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!in_array(200, $api->responseCodes)
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) {
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} else {
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$this->job['status'] = 'ok';
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$api_response = $json->choices[0]->message->content;
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$response = $api_response;
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$request_tokens = $json->usage->prompt_tokens;
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$response_tokens = $json->usage->completion_tokens;
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if ($history_tokens > 0 || $prefix_tokens > 0) {
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$this->log['request.tokens.raw'] = $request_tokens;
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$this->log['request.tokens.adjusted'] = $request_tokens - $history_tokens - $prefix_tokens;
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}
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}
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} catch (\Exception $e) {
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$this->log['exception'] = $e->getMessage();
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$this->log_flush();
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}
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$this->log['finish'] = date('Y-m-d H:i:s');
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if (!empty($posts)) {
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$viewtopic = "{$this->root_path}viewtopic.{$this->php_ext}";
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$discarded = '';
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if ($post_first_discarded != null) {
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$discarded = $this->language->lang('AILABS_POSTS_DISCARDED', $viewtopic, $post_first_discarded);
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}
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$total_posts_count = count($posts) * 2 + 2;
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$total_tokens_used_count = $request_tokens + $response_tokens;
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$info = $this->language->lang(
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'AILABS_DISCARDED_INFO',
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$viewtopic,
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$post_first_taken,
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$total_posts_count,
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$discarded,
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$total_tokens_used_count,
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$this->max_tokens
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);
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}
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$resultParse = new resultParse();
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$resultParse->message = $response;
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$resultParse->info = $info;
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$response = $this->replace_vars($this->job, $resultParse);
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$data = $this->post_response($this->job, $response);
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$this->job['response_time'] = time();
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$this->job['response_post_id'] = $data['post_id'];
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$set = [
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'status' => $this->job['status'],
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'attempts' => $this->job['attempts'] + 1,
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'response_time' => $this->job['response_time'],
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'response' => utf8_encode_ucr($api_response),
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'request_tokens' => $request_tokens - $history_tokens - $prefix_tokens,
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'response_post_id' => $this->job['response_post_id'],
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'response_tokens' => $response_tokens,
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'log' => json_encode($this->log)
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];
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$this->job_update($set);
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$this->post_update($this->job);
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return new JsonResponse($this->log);
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}
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}
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