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Add chunked timeline routing

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This commit is contained in:
davegilligan
2026-05-25 12:34:41 +02:00
parent 75b19f1dcf
commit 17ad54cf36
7 changed files with 521 additions and 31 deletions
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includes/ToolModels.php
+108 -8
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@@ -1,6 +1,7 @@
<?php
declare(strict_types=1);
require_once __DIR__ . '/bootstrap.php';
require_once __DIR__ . '/FreeTier.php';
/**
@@ -14,6 +15,9 @@ 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 const TIMELINE_QUICK_MAX_CHARS = 100000;
public const TIMELINE_STANDARD_MAX_CHARS = 300000;
public const TIMELINE_DEEP_MAX_CHARS = 600000;
public static function engineForUser(int $userId, string $requestedEngine): string
{
@@ -38,22 +42,32 @@ final class ToolModels
$tierEngine = self::engineForUser($userId, $requestedEngine);
$charCount = mb_strlen($text, 'UTF-8');
if ($charCount > self::TIMELINE_DEEP_CHAR_LIMIT) {
if ($charCount > self::TIMELINE_DEEP_MAX_CHARS) {
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]
['input_char_count' => $charCount, 'max_chars' => self::TIMELINE_DEEP_MAX_CHARS]
);
}
$effectiveEngine = $tierEngine;
if ($charCount > self::TIMELINE_STANDARD_CHAR_LIMIT) {
$effectiveEngine = 'azure_full';
} elseif ($charCount > self::TIMELINE_QUICK_CHAR_LIMIT && $effectiveEngine === 'nova_lite') {
$effectiveEngine = 'azure_mini';
if ($charCount > self::timelineEngineMaxChars($effectiveEngine)) {
$effectiveEngine = $charCount <= self::TIMELINE_STANDARD_MAX_CHARS ? 'azure_mini' : 'azure_full';
} elseif ($charCount > self::TIMELINE_STANDARD_CHAR_LIMIT && $effectiveEngine === 'nova_lite') {
$effectiveEngine = $charCount <= self::TIMELINE_QUICK_MAX_CHARS ? 'nova_lite' : 'azure_mini';
}
if ($charCount > self::timelineEngineMaxChars($effectiveEngine)) {
$effectiveEngine = 'azure_full';
}
$credits = self::timelineCreditsForSize($effectiveEngine, $charCount);
$baseCredits = self::timelineAdvertisedCredits($requestedEngine);
$requiresConfirmation = $credits > $baseCredits
|| self::timelineEngineRank($effectiveEngine) > self::timelineEngineRank($requestedEngine);
$chunked = $charCount > self::timelineEngineLimit($effectiveEngine);
return [
'requested_engine' => $requestedEngine,
'tier_engine' => $tierEngine,
@@ -61,13 +75,48 @@ final class ToolModels
'auto_upgraded_engine' => $effectiveEngine !== $tierEngine,
'input_char_count' => $charCount,
'engine_limit_chars' => self::timelineEngineLimit($effectiveEngine),
'credits' => self::timelineCredits($effectiveEngine),
'max_char_limit' => self::timelineEngineMaxChars($effectiveEngine),
'chunked_timeline' => $chunked,
'timeline_chunk_count' => $chunked ? (int)ceil($charCount / self::timelineChunkSize($effectiveEngine)) : 1,
'estimated_credits' => $credits,
'credits' => $credits,
'base_credits' => $baseCredits,
'requires_confirmation' => $requiresConfirmation,
];
}
public static function assertTimelineQuoteAccepted(array $route, array $input): void
{
if (empty($route['requires_confirmation'])) {
return;
}
$accepted = !empty($input['accepted_timeline_quote'])
&& (int)($input['accepted_credits'] ?? 0) === (int)$route['credits']
&& (string)($input['accepted_effective_engine'] ?? '') === (string)$route['effective_engine'];
if ($accepted) {
return;
}
$engineLabel = self::timelineEngineLabel((string)$route['effective_engine']);
throw new DbnToolsHttpException(
'This timeline is larger than the selected engine can handle at the advertised price. Confirm the quoted engine and credits before running.',
409,
'timeline_quote_required',
['timeline_quote' => array_merge($route, [
'effective_engine_label' => $engineLabel,
'message' => 'Timeline will use ' . $engineLabel . ' for '
. number_format((int)$route['input_char_count'])
. ' characters across about ' . (int)$route['timeline_chunk_count']
. ' chunk(s), costing ' . (int)$route['credits'] . ' credit(s).',
])]
);
}
public static function timelineCredits(string $engine): int
{
return $engine === 'azure_full' ? 2 : 1;
return self::timelineAdvertisedCredits($engine);
}
public static function timelineEngineLimit(string $engine): int
@@ -78,4 +127,55 @@ final class ToolModels
default => self::TIMELINE_DEEP_CHAR_LIMIT,
};
}
public static function timelineChunkSize(string $engine): int
{
return match ($engine) {
'nova_lite' => 10000,
'azure_mini' => 16000,
default => 30000,
};
}
public static function timelineEngineMaxChars(string $engine): int
{
return match ($engine) {
'nova_lite' => self::TIMELINE_QUICK_MAX_CHARS,
'azure_mini' => self::TIMELINE_STANDARD_MAX_CHARS,
default => self::TIMELINE_DEEP_MAX_CHARS,
};
}
public static function timelineCreditsForSize(string $engine, int $charCount): int
{
return match ($engine) {
'nova_lite' => $charCount <= self::TIMELINE_QUICK_CHAR_LIMIT ? 1 : 2,
'azure_mini' => $charCount <= self::TIMELINE_STANDARD_CHAR_LIMIT ? 1 : ($charCount <= 180000 ? 2 : 3),
default => $charCount <= self::TIMELINE_DEEP_CHAR_LIMIT ? 2 : ($charCount <= 350000 ? 4 : 6),
};
}
public static function timelineAdvertisedCredits(string $engine): int
{
return $engine === 'azure_full' ? 2 : 1;
}
public static function timelineEngineLabel(string $engine): string
{
return match ($engine) {
'nova_lite' => 'Quick',
'azure_full' => 'Deep',
default => 'Standard',
};
}
private static function timelineEngineRank(string $engine): int
{
return match ($engine) {
'nova_lite' => 1,
'azure_mini' => 2,
'azure_full' => 3,
default => 0,
};
}
}