feat: Add max output tokens setting and integrate with AI content generation

groq-ai-product-text.php

@@ -2,7 +2,7 @@
 /**
  * Plugin Name: SitiAI Product Teksten
  * Description: Genereer productteksten met diverse AI-aanbieders rechtstreeks vanuit WooCommerce.
- * Version: 1.4.0
+ * Version: 1.4.1
  * Author: SitiAI
  * Text Domain: siti-ai-product-content-generator
  * Domain Path: /languages

includes/Admin/class-groq-ai-settings-page.php

@@ -542,6 +542,14 @@ class Groq_AI_Product_Text_Settings_Page {
 			'groq_ai_product_text_prompts'
 		);
 
+		add_settings_field(
+			'groq_ai_max_output_tokens',
+			__( 'Max output tokens', GROQ_AI_PRODUCT_TEXT_DOMAIN ),
+			[ $this, 'render_max_output_tokens_field' ],
+			'groq-ai-product-text-prompts',
+			'groq_ai_product_text_prompts'
+		);
+
 		add_settings_field(
 			'groq_ai_context_fields',
 			__( 'Standaard productcontext', GROQ_AI_PRODUCT_TEXT_DOMAIN ),
@@ -1455,6 +1463,25 @@ class Groq_AI_Product_Text_Settings_Page {
 		<?php
 	}
 
+	public function render_max_output_tokens_field() {
+		$settings = $this->plugin->get_settings();
+		$value    = isset( $settings['max_output_tokens'] ) ? absint( $settings['max_output_tokens'] ) : 2048;
+		$value    = max( 128, min( 8192, $value ) );
+		?>
+		<input type="number"
+			name="<?php echo esc_attr( $this->plugin->get_option_key() ); ?>[max_output_tokens]"
+			min="128"
+			max="8192"
+			step="128"
+			value="<?php echo esc_attr( (string) $value ); ?>"
+			class="small-text"
+		/>
+		<p class="description">
+			<?php esc_html_e( 'Limiet voor lengte van het AI-antwoord. Als teksten afgekapt worden, zet dit hoger (kost vaak wel meer tokens).', GROQ_AI_PRODUCT_TEXT_DOMAIN ); ?>
+		</p>
+		<?php
+	}
+
 	public function render_context_fields_field() {
 		$settings    = $this->plugin->get_settings();
 		$values      = isset( $settings['context_fields'] ) ? $settings['context_fields'] : $this->plugin->get_default_context_fields();

includes/Providers/class-groq-ai-abstract-openai-provider.php

@@ -80,11 +80,20 @@ abstract class Groq_AI_Abstract_OpenAI_Provider implements Groq_AI_Provider_Inte
 			],
 		];
 
+		$max_tokens = isset( $args['max_tokens'] ) ? absint( $args['max_tokens'] ) : 0;
+		if ( $max_tokens <= 0 ) {
+			$max_tokens = isset( $settings['max_output_tokens'] ) ? absint( $settings['max_output_tokens'] ) : 0;
+		}
+		if ( $max_tokens <= 0 ) {
+			$max_tokens = 2048;
+		}
+		$max_tokens = max( 128, min( 8192, $max_tokens ) );
+
 		$request_body = [
 			'model'       => $model,
 			'messages'    => $messages,
 			'temperature' => isset( $args['temperature'] ) ? (float) $args['temperature'] : 0.7,
-			'max_tokens'  => 1024,
+			'max_tokens'  => $max_tokens,
 		];
 
 		if ( ! empty( $args['response_format'] ) ) {
@@ -122,6 +131,10 @@ abstract class Groq_AI_Abstract_OpenAI_Provider implements Groq_AI_Provider_Inte
 
 		$content = trim( $body['choices'][0]['message']['content'] );
 		$usage   = isset( $body['usage'] ) && is_array( $body['usage'] ) ? $body['usage'] : [];
+		$finish_reason = isset( $body['choices'][0]['finish_reason'] ) ? sanitize_text_field( (string) $body['choices'][0]['finish_reason'] ) : '';
+		if ( '' !== $finish_reason ) {
+			$usage['finish_reason'] = $finish_reason;
+		}
 
 		return [
 			'content'      => $content,

includes/Providers/class-groq-ai-provider-google.php

@@ -144,6 +144,15 @@ class Groq_AI_Provider_Google implements Groq_AI_Provider_Interface {
 			];
 		}
 
+		$max_tokens = isset( $args['max_tokens'] ) ? absint( $args['max_tokens'] ) : 0;
+		if ( $max_tokens <= 0 ) {
+			$max_tokens = isset( $settings['max_output_tokens'] ) ? absint( $settings['max_output_tokens'] ) : 0;
+		}
+		if ( $max_tokens <= 0 ) {
+			$max_tokens = 2048;
+		}
+		$max_tokens = max( 128, min( 8192, $max_tokens ) );
+
 		$payload = [
 			'contents'         => [
 				[
@@ -153,7 +162,7 @@ class Groq_AI_Provider_Google implements Groq_AI_Provider_Interface {
 			],
 			'generationConfig' => [
 				'temperature'     => isset( $args['temperature'] ) ? (float) $args['temperature'] : 0.7,
-				'maxOutputTokens' => 1024,
+				'maxOutputTokens' => $max_tokens,
 			],
 		];
 
@@ -196,6 +205,10 @@ class Groq_AI_Provider_Google implements Groq_AI_Provider_Interface {
 
 		$content = trim( implode( "\n\n", array_filter( $texts ) ) );
 		$usage   = isset( $body['usageMetadata'] ) && is_array( $body['usageMetadata'] ) ? $body['usageMetadata'] : [];
+		$finish_reason = isset( $body['candidates'][0]['finishReason'] ) ? sanitize_text_field( (string) $body['candidates'][0]['finishReason'] ) : '';
+		if ( '' !== $finish_reason ) {
+			$usage['finish_reason'] = $finish_reason;
+		}
 
 		return [
 			'content'      => $content,

includes/Services/Settings/class-groq-ai-settings-manager.php

@@ -32,6 +32,7 @@ class Groq_AI_Settings_Manager {
 			'model'          => '',
 			'store_context'  => '',
 			'default_prompt' => '',
+			'max_output_tokens' => 2048,
 			'groq_api_key'   => '',
 			'openai_api_key' => '',
 			'google_api_key' => '',
@@ -87,6 +88,7 @@ class Groq_AI_Settings_Manager {
 			'model'          => '',
 			'store_context'  => '',
 			'default_prompt' => '',
+			'max_output_tokens' => 2048,
 			'groq_api_key'   => '',
 			'openai_api_key' => '',
 			'google_api_key' => '',
@@ -129,6 +131,10 @@ class Groq_AI_Settings_Manager {
 
 		$image_limit = isset( $input['image_context_limit'] ) ? $this->sanitize_image_context_limit_value( $input['image_context_limit'] ) : $defaults['image_context_limit'];
 
+		$max_output_tokens = isset( $input['max_output_tokens'] ) ? absint( $input['max_output_tokens'] ) : absint( $defaults['max_output_tokens'] );
+		// Keep within sane bounds across providers.
+		$max_output_tokens = max( 128, min( 8192, $max_output_tokens ) );
+
 		$context_fields = $this->normalize_context_fields( $context_posted ? $raw_input['context_fields'] : $defaults['context_fields'] );
 
 		if ( 'none' === $image_mode ) {
@@ -142,6 +148,7 @@ class Groq_AI_Settings_Manager {
 			'model'          => $model,
 			'store_context'  => sanitize_textarea_field( $input['store_context'] ),
 			'default_prompt' => sanitize_textarea_field( $input['default_prompt'] ),
+			'max_output_tokens' => $max_output_tokens,
 			'groq_api_key'   => sanitize_text_field( $input['groq_api_key'] ),
 			'openai_api_key' => sanitize_text_field( $input['openai_api_key'] ),
 			'google_api_key' => sanitize_text_field( $input['google_api_key'] ),