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fix: remove hardcoded image model fallback

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Don't silently swap to a different model when the user's selection is
unknown. Pass whatever the user configured to OpenRouter and let the
API error clearly. Fallback chain: caller hint → saved option →
PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL constant. Cost estimation for
unknown models logs a warning and uses a conservative $0.05 estimate.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-18 10:50:34 +07:00
parent 862d7e40e6
commit a4405a5d32
1 changed files with 27 additions and 11 deletions
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38
includes/providers/class-open-router-image-pricing.php
View File

@@ -30,26 +30,33 @@ class PRAutoBlogger_OpenRouter_Image_Pricing {
'openai/gpt-5-image' => 0.08,
];
/** @var string Default model when none is configured. */
public const DEFAULT_MODEL = 'google/gemini-2.5-flash-image';
/**
* Resolve the model identifier from a hint, falling back to site option,
* then to the hardcoded default.
* then to the PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL constant.
*
* Never silently swaps to a different model — if the user picked something,
* we send it to OpenRouter and let the API error if it's invalid. That way
* the user sees a clear log message instead of getting billed for a model
* they didn't choose.
*
* @param string $hint Caller-supplied model identifier (may be empty).
* @return string OpenRouter model id.
*/
public function resolve_model( string $hint ): string {
$hint = trim( $hint );
if ( '' === $hint ) {
$hint = (string) get_option( 'prautoblogger_image_model', self::DEFAULT_MODEL );
if ( '' !== $hint ) {
return $hint;
}
// Validate the model exists in our cost table; fall back to default.
if ( ! isset( self::COST_PER_IMAGE[ $hint ] ) ) {
return self::DEFAULT_MODEL;
$saved = trim( (string) get_option( 'prautoblogger_image_model', '' ) );
if ( '' !== $saved ) {
return $saved;
}
return $hint;
// Last resort: use the constant from prautoblogger.php (admin can change it).
return defined( 'PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL' )
? PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL
: 'google/gemini-2.5-flash-image';
}
/**
@@ -64,7 +71,16 @@ class PRAutoBlogger_OpenRouter_Image_Pricing {
* @return float USD cost rounded to 6 decimals.
*/
public function estimate_cost( int $width, int $height, string $model ): float {
return round( self::COST_PER_IMAGE[ $model ] ?? self::COST_PER_IMAGE[ self::DEFAULT_MODEL ], 6 );
if ( isset( self::COST_PER_IMAGE[ $model ] ) ) {
return round( self::COST_PER_IMAGE[ $model ], 6 );
}
// Unknown model — log it and use a conservative $0.05 estimate.
PRAutoBlogger_Logger::instance()->warning(
sprintf( 'No pricing data for image model "%s". Using $0.05 estimate.', $model ),
'openrouter-image'
);
return 0.05;
}
/**