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File Content: usage-stats.php

<?php

class Meow_MWAI_Services_UsageStats {
  private $core;

public function __construct( $core ) {
    $this->core = $core;
  }

public function estimate_tokens( ...$args ) {
    // Handle multiple argument formats for backward compatibility
    $text = '';
    $model = null;

// If first argument is an array, process messages
    if ( !empty( $args[0] ) && is_array( $args[0] ) ) {
      foreach ( $args[0] as $message ) {
        $text .= isset( $message['content']['text'] ) ? $message['content']['text'] : '';
        $text .= isset( $message['content'] ) && is_string( $message['content'] ) ? $message['content'] : '';
      }
      $model = $args[1] ?? null;
    }
    // Otherwise treat first argument as text
    else {
      $text = $args[0] ?? '';
      $model = $args[1] ?? null;
    }

// Convert to string if needed
    if ( !is_string( $text ) ) {
      // Handle arrays that weren't caught by the first condition
      if ( is_array( $text ) ) {
        $text = json_encode( $text );
      }
      // Handle objects
      elseif ( is_object( $text ) ) {
        $text = method_exists( $text, '__toString' ) ? (string) $text : json_encode( $text );
      }
      // Handle other types (int, float, bool, null)
      else {
        $text = (string) $text;
      }
    }

// Many other tools (https://platform.openai.com/tokenizer) say 1 token ~= 4 chars in English.
    // However, the tokens are usually calculated with the exact tokenizer for the model, but this is not really possible easily yet.
    $text = apply_filters( 'mwai_estimate_tokens_text', $text, $model );
    $tokens = apply_filters( 'mwai_estimate_tokens', null, $text, $model );
    if ( $tokens !== null ) {
      return $tokens;
    }
    $multiplier = 4;
    $hasChineseChars = preg_match( '/[\x{4e00}-\x{9fa5}]/u', $text );
    $hasJapaneseChars = preg_match( '/[\x{3040}-\x{309f}\x{30a0}-\x{30ff}]/u', $text );
    $hasKoreanChars = preg_match( '/[\x{ac00}-\x{d7af}]/u', $text );
    if ( $hasChineseChars || $hasJapaneseChars || $hasKoreanChars ) {
      $multiplier = 2;
    }
    $tokens = (int) ( ( function_exists( 'mb_strlen' ) ? mb_strlen( $text ) : strlen( $text ) ) / $multiplier );
    return $tokens;
  }

public function record_tokens_usage( $model, $in_tokens, $out_tokens = 0, $returned_price = null ) {
    if ( !is_numeric( $in_tokens ) ) {
      $in_tokens = 0;
    }
    if ( !is_numeric( $out_tokens ) ) {
      $out_tokens = 0;
    }
    
    // Record monthly usage
    $usage = $this->core->get_option( 'ai_usage' );
    $month = date( 'Y-m' );
    if ( !isset( $usage[$month] ) ) {
      $usage[$month] = [];
    }
    if ( !isset( $usage[$month][$model] ) ) {
      $usage[$month][$model] = [
        'prompt_tokens' => 0,
        'completion_tokens' => 0,
        'total_tokens' => 0,
        'returned_price' => 0,
        'queries' => 0
      ];
    }
    // Ensure queries field exists for existing data
    if ( !isset( $usage[$month][$model]['queries'] ) ) {
      $usage[$month][$model]['queries'] = 0;
    }
    $usage[$month][$model]['prompt_tokens'] += $in_tokens;
    $usage[$month][$model]['completion_tokens'] += $out_tokens;
    $usage[$month][$model]['total_tokens'] += $in_tokens + $out_tokens;
    $usage[$month][$model]['queries'] += 1;
    if ( !empty( $returned_price ) ) {
      $usage[$month][$model]['returned_price'] += $returned_price;
    }
    
    // Clean up old monthly data (keep only last 2 years)
    $this->cleanup_old_monthly_data( $usage );
    $this->core->update_option( 'ai_usage', $usage );
    
    // Record daily usage
    $daily_usage = $this->core->get_option( 'ai_usage_daily', [] );
    $day = date( 'Y-m-d' );
    if ( !isset( $daily_usage[$day] ) ) {
      $daily_usage[$day] = [];
    }
    if ( !isset( $daily_usage[$day][$model] ) ) {
      $daily_usage[$day][$model] = [
        'prompt_tokens' => 0,
        'completion_tokens' => 0,
        'total_tokens' => 0,
        'returned_price' => 0,
        'queries' => 0
      ];
    }
    // Ensure queries field exists for existing data
    if ( !isset( $daily_usage[$day][$model]['queries'] ) ) {
      $daily_usage[$day][$model]['queries'] = 0;
    }
    $daily_usage[$day][$model]['prompt_tokens'] += $in_tokens;
    $daily_usage[$day][$model]['completion_tokens'] += $out_tokens;
    $daily_usage[$day][$model]['total_tokens'] += $in_tokens + $out_tokens;
    $daily_usage[$day][$model]['queries'] += 1;
    if ( !empty( $returned_price ) ) {
      $daily_usage[$day][$model]['returned_price'] += $returned_price;
    }
    
    // Clean up old daily data (keep only last 30 days)
    $this->cleanup_old_daily_data( $daily_usage );
    $this->core->update_option( 'ai_usage_daily', $daily_usage );
    
    // Return the usage data for this specific request
    return [
      'prompt_tokens' => $in_tokens,
      'completion_tokens' => $out_tokens,
      'total_tokens' => $in_tokens + $out_tokens,
      'price' => $returned_price,
      'queries' => 1
    ];
  }

public function record_audio_usage( $model, $seconds ) {
    // Record monthly usage
    $usage = $this->core->get_option( 'ai_usage' );
    $month = date( 'Y-m' );
    if ( !isset( $usage[$month] ) ) {
      $usage[$month] = [];
    }
    if ( !isset( $usage[$month][$model] ) ) {
      $usage[$month][$model] = [ 'seconds' => 0, 'queries' => 0 ];
    }
    if ( !isset( $usage[$month][$model]['seconds'] ) ) {
      $usage[$month][$model]['seconds'] = 0;
    }
    if ( !isset( $usage[$month][$model]['queries'] ) ) {
      $usage[$month][$model]['queries'] = 0;
    }
    $usage[$month][$model]['seconds'] += $seconds;
    $usage[$month][$model]['queries'] += 1;
    $this->cleanup_old_monthly_data( $usage );
    $this->core->update_option( 'ai_usage', $usage );
    
    // Record daily usage
    $daily_usage = $this->core->get_option( 'ai_usage_daily', [] );
    $day = date( 'Y-m-d' );
    if ( !isset( $daily_usage[$day] ) ) {
      $daily_usage[$day] = [];
    }
    if ( !isset( $daily_usage[$day][$model] ) ) {
      $daily_usage[$day][$model] = [ 'seconds' => 0, 'queries' => 0 ];
    }
    if ( !isset( $daily_usage[$day][$model]['seconds'] ) ) {
      $daily_usage[$day][$model]['seconds'] = 0;
    }
    if ( !isset( $daily_usage[$day][$model]['queries'] ) ) {
      $daily_usage[$day][$model]['queries'] = 0;
    }
    $daily_usage[$day][$model]['seconds'] += $seconds;
    $daily_usage[$day][$model]['queries'] += 1;
    $this->cleanup_old_daily_data( $daily_usage );
    $this->core->update_option( 'ai_usage_daily', $daily_usage );
    
    // Return the usage data for this specific request
    return [
      'seconds' => $seconds,
      'queries' => 1
    ];
  }

public function record_images_usage( $model, $resolution, $images ) {
    // Record monthly usage
    $usage = $this->core->get_option( 'ai_usage' );
    $month = date( 'Y-m' );
    if ( !isset( $usage[$month] ) ) {
      $usage[$month] = [];
    }
    if ( !isset( $usage[$month][$model] ) ) {
      $usage[$month][$model] = [ 'resolution' => [], 'images' => 0, 'queries' => 0 ];
    }
    if ( !isset( $usage[$month][$model]['images'] ) ) {
      $usage[$month][$model]['images'] = 0;
    }
    if ( !isset( $usage[$month][$model]['resolution'] ) ) {
      $usage[$month][$model]['resolution'] = [];
    }
    if ( !isset( $usage[$month][$model]['resolution'][$resolution] ) ) {
      $usage[$month][$model]['resolution'][$resolution] = 0;
    }
    if ( !isset( $usage[$month][$model]['queries'] ) ) {
      $usage[$month][$model]['queries'] = 0;
    }
    $usage[$month][$model]['images'] += $images;
    $usage[$month][$model]['resolution'][$resolution] += $images;
    $usage[$month][$model]['queries'] += 1;
    $this->cleanup_old_monthly_data( $usage );
    $this->core->update_option( 'ai_usage', $usage );
    
    // Record daily usage
    $daily_usage = $this->core->get_option( 'ai_usage_daily', [] );
    $day = date( 'Y-m-d' );
    if ( !isset( $daily_usage[$day] ) ) {
      $daily_usage[$day] = [];
    }
    if ( !isset( $daily_usage[$day][$model] ) ) {
      $daily_usage[$day][$model] = [ 'resolution' => [], 'images' => 0, 'queries' => 0 ];
    }
    if ( !isset( $daily_usage[$day][$model]['images'] ) ) {
      $daily_usage[$day][$model]['images'] = 0;
    }
    if ( !isset( $daily_usage[$day][$model]['resolution'] ) ) {
      $daily_usage[$day][$model]['resolution'] = [];
    }
    if ( !isset( $daily_usage[$day][$model]['resolution'][$resolution] ) ) {
      $daily_usage[$day][$model]['resolution'][$resolution] = 0;
    }
    if ( !isset( $daily_usage[$day][$model]['queries'] ) ) {
      $daily_usage[$day][$model]['queries'] = 0;
    }
    $daily_usage[$day][$model]['images'] += $images;
    $daily_usage[$day][$model]['resolution'][$resolution] += $images;
    $daily_usage[$day][$model]['queries'] += 1;
    $this->cleanup_old_daily_data( $daily_usage );
    $this->core->update_option( 'ai_usage_daily', $daily_usage );
    
    // Return the usage data for this specific request
    return [
      'images' => $images,
      'queries' => 1
    ];
  }

private function cleanup_old_monthly_data( &$usage ) {
    $two_years_ago = date( 'Y-m', strtotime( '-2 years' ) );
    foreach ( $usage as $month => $data ) {
      if ( $month < $two_years_ago ) {
        unset( $usage[$month] );
      }
    }
  }

private function cleanup_old_daily_data( &$usage ) {
    $thirty_days_ago = date( 'Y-m-d', strtotime( '-30 days' ) );
    foreach ( $usage as $day => $data ) {
      if ( $day < $thirty_days_ago ) {
        unset( $usage[$day] );
      }
    }
  }
}

Name	Size	Permission
image.php	5898 bytes	0644
message-builder.php	10153 bytes	0644
model-environment.php	3754 bytes	0644
response-id-manager.php	5658 bytes	0644
session.php	5278 bytes	0644
usage-stats.php	9594 bytes	0644