If chunks only is enabled the sousrces are get from the object metadata of the response

Author: nicolan74

src/app/knowledge-bases/modals/modal-preview-knowledge-base/modal-preview-knowledge-base.component.ts

@@ -706,13 +706,15 @@ export class ModalPreviewKnowledgeBaseComponent extends PricingBaseComponent imp
       this.logger.log("[MODAL-PREVIEW-KB] ask gpt preview qa: ", this.qa)
       this.logger.log("ask gpt preview this.qa?.content_chunks: ", this.qa?.content_chunks);
       this.logger.log("ask gpt preview this.qa?.chunks: ", this.qa?.chunks);
-      if (this.qa?.content_chunks) {
-        this.contentChunks = this.qa?.content_chunks 
-      } else if (this.qa?.chunks)  {
-        this.contentChunks = this.qa?.chunks
-      }
+     // if (this.qa?.content_chunks) {
+     //   this.contentChunks = this.qa?.content_chunks 
+     // } else if (this.qa?.chunks)  {
+     //   this.contentChunks = this.qa?.chunks
+     // }
 
-      this.contentSources = this.extractAllSources(response);
+     // this.contentSources = this.extractAllSources(response);
+      this.contentChunks = this.extractContentChunks(response);
+      this.contentSources = this.extractSourcesForPreview(response);
       this.logger.log("ask gpt preview contentChunks: ", this.contentChunks);
       this.logger.log("ask gpt preview contentSources: ", this.contentSources);
       // this.logger.log("ask gpt preview response: ", response, startTime, endTime, this.responseTime);
@@ -973,13 +975,40 @@ export class ModalPreviewKnowledgeBaseComponent extends PricingBaseComponent imp
     }
   }
 
+  /** Chunk list: `content_chunks` (default) or `chunks` when chunks-only mode. */
+  private extractContentChunks(response: any): string[] {
+    if (!response) {
+      return [];
+    }
+    if (Array.isArray(response.chunks) && response.chunks.length) {
+      return response.chunks;
+    }
+    if (Array.isArray(response.content_chunks) && response.content_chunks.length) {
+      return response.content_chunks;
+    }
+    return [];
+  }
+
+  /** Fonti per risposta non-stream (include metadata quando chunks-only). */
+  private extractSourcesForPreview(response: any): { value: string; isUrl: boolean }[] {
+    if (!response) {
+      return [];
+    }
+    if (this.chunkOnly && Array.isArray(response.metadata)) {
+      return this.extractSourcesFromMetadata(response.metadata);
+    }
+    return this.extractAllSources(response);
+  }
+
   /**
    * Estrae tutte le fonti da response.sources (array) o response.source (stringa).
    * Supporta items come stringa o oggetto con .url, .href, .source.
    */
   private extractAllSources(response: any): { value: string; isUrl: boolean }[] {
     const out: { value: string; isUrl: boolean }[] = [];
-    if (!response) return out;
+    if (!response) {
+      return out;
+    }
     if (response.sources && Array.isArray(response.sources)) {
       for (const item of response.sources) {
         const value = typeof item === 'string' ? item : String(item?.url ?? item?.href ?? item?.source ?? item ?? '');
@@ -996,6 +1025,35 @@ export class ModalPreviewKnowledgeBaseComponent extends PricingBaseComponent imp
     return out;
   }
 
+    private extractSourcesFromMetadata(metadata: any[]): { value: string; isUrl: boolean }[] {
+    const out: { value: string; isUrl: boolean }[] = [];
+    const seen = new Set<string>();
+    for (const item of metadata) {
+      if (!item) {
+        continue;
+      }
+      const source = String(item.source ?? '').trim();
+      const fileName = String(item.file_name ?? '').trim();
+      const type = String(item.type ?? '').toLowerCase();
+      let value = '';
+      let isUrl = false;
+      if (source && (type === 'url' || this.isValidURL(source))) {
+        value = source;
+        isUrl = true;
+      } else if (fileName) {
+        value = fileName;
+      } else if (source) {
+        value = source;
+      }
+      if (!value || seen.has(value)) {
+        continue;
+      }
+      seen.add(value);
+      out.push({ value, isUrl });
+    }
+    return out;
+  }
+
   onTextareaInput(textarea: HTMLTextAreaElement): void { 
     // console.log('[MODAL-PREVIEW-KB] textarea', textarea ) 
     const minHeight = 37;