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Add timeline engine size routing

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davegilligan
2026-05-25 11:33:47 +02:00
parent 3ad8f4843c
commit 75b19f1dcf
4 changed files with 208 additions and 46 deletions
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includes/ToolModels.php
+52
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@@ -11,6 +11,10 @@ require_once __DIR__ . '/FreeTier.php';
*/
final class ToolModels
{
public const TIMELINE_QUICK_CHAR_LIMIT = 25000;
public const TIMELINE_STANDARD_CHAR_LIMIT = 55000;
public const TIMELINE_DEEP_CHAR_LIMIT = 128000;
public static function engineForUser(int $userId, string $requestedEngine): string
{
$valid = ['nova_lite', 'azure_mini', 'azure_full', 'gpu', 'regex'];
@@ -26,4 +30,52 @@ final class ToolModels
default => in_array($requestedEngine, ['nova_lite', 'regex'], true) ? $requestedEngine : 'nova_lite',
};
}
public static function timelineRoute(int $userId, string $requestedEngine, string $text): array
{
$valid = ['nova_lite', 'azure_mini', 'azure_full'];
$requestedEngine = in_array($requestedEngine, $valid, true) ? $requestedEngine : 'azure_mini';
$tierEngine = self::engineForUser($userId, $requestedEngine);
$charCount = mb_strlen($text, 'UTF-8');
if ($charCount > self::TIMELINE_DEEP_CHAR_LIMIT) {
throw new DbnToolsHttpException(
'This timeline input is too large after selected documents or My Case context were added. Split the file or use fewer selected documents.',
413,
'timeline_input_too_large',
['input_char_count' => $charCount, 'max_chars' => self::TIMELINE_DEEP_CHAR_LIMIT]
);
}
$effectiveEngine = $tierEngine;
if ($charCount > self::TIMELINE_STANDARD_CHAR_LIMIT) {
$effectiveEngine = 'azure_full';
} elseif ($charCount > self::TIMELINE_QUICK_CHAR_LIMIT && $effectiveEngine === 'nova_lite') {
$effectiveEngine = 'azure_mini';
}
return [
'requested_engine' => $requestedEngine,
'tier_engine' => $tierEngine,
'effective_engine' => $effectiveEngine,
'auto_upgraded_engine' => $effectiveEngine !== $tierEngine,
'input_char_count' => $charCount,
'engine_limit_chars' => self::timelineEngineLimit($effectiveEngine),
'credits' => self::timelineCredits($effectiveEngine),
];
}
public static function timelineCredits(string $engine): int
{
return $engine === 'azure_full' ? 2 : 1;
}
public static function timelineEngineLimit(string $engine): int
{
return match ($engine) {
'nova_lite' => self::TIMELINE_QUICK_CHAR_LIMIT,
'azure_mini' => self::TIMELINE_STANDARD_CHAR_LIMIT,
default => self::TIMELINE_DEEP_CHAR_LIMIT,
};
}
}