Update storage.ts

services/storage.ts

@@ -1,22 +1,7 @@
 
 import { EmailTemplate } from '../types';
 
-// Fallback for crypto.randomUUID in non-secure (HTTP) contexts
-export const generateUUID = () => {
-  if (typeof crypto !== 'undefined' && crypto.randomUUID) {
-    try {
-      return crypto.randomUUID();
-    } catch (e) {
-      // Fallback if it exists but fails
-    }
-  }
-  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
-    const r = Math.random() * 16 | 0;
-    const v = c === 'x' ? r : (r & 0x3 | 0x8);
-    return v.toString(16);
-  });
-};
-
+// Helper functions remain synchronous as they are utility functions
 export const generateTemplateKey = (name: string): string => {
   return name.trim().toLowerCase().replace(/\s+/g, '_').replace(/[^a-z0-9_]/g, '');
 };
@@ -29,15 +14,10 @@ export const generateSQL = (template: EmailTemplate): string => {
   const subject = template.subject.replace(/'/g, "''");
   const vars = JSON.stringify(template.variables).replace(/'/g, "''");
   const key = generateTemplateKey(template.name);
-  const name = template.name.replace(/'/g, "''");
-  const desc = (template.description || '').replace(/'/g, "''");
 
   return `INSERT INTO email_templates (id, template_key, name, description, subject, header_html, body_html, footer_html, full_html, required_variables)
-VALUES ('${template.id}', '${key}', '${name}', '${desc}', '${subject}', '${header}', '${body}', '${footer}', '${fullHtml}', '${vars}')
+VALUES ('${template.id}', '${key}', '${template.name.replace(/'/g, "''")}', '${template.description?.replace(/'/g, "''") || ''}', '${subject}', '${header}', '${body}', '${footer}', '${fullHtml}', '${vars}')
 ON DUPLICATE KEY UPDATE 
-    template_key = VALUES(template_key),
-    name = VALUES(name),
-    description = VALUES(description),
     subject = VALUES(subject),
     header_html = VALUES(header_html),
     body_html = VALUES(body_html),
@@ -56,18 +36,24 @@ export const generateN8nCode = (template: EmailTemplate): string => {
   const hasVars = template.variables.length > 0;
 
   return `// Nodo Code n8n - Popolatore Template
+// 1. Assicurati che il nodo precedente (SQL) restituisca 'full_html' e 'subject'.
+// 2. Aggiusta il percorso (item.json.full_html) se l'output del tuo nodo SQL è diverso.
+
 for (const item of items) {
   const templateHtml = item.json.full_html;
   const templateSubject = item.json.subject;
 
+  // Definisci qui i tuoi dati dinamici
   const replacements = {
-${hasVars ? varsMap : '  // Nessuna variabile rilevata'}
+${hasVars ? varsMap : '  // Nessuna variabile rilevata in questo template'}
   };
 
   let finalHtml = templateHtml;
   let finalSubject = templateSubject;
   
+  // Esegui sostituzione
   for (const [key, value] of Object.entries(replacements)) {
+    // Sostituisce {{key}} globalmente nell'HTML e nell'Oggetto
     const regex = new RegExp('{{' + key + '}}', 'g');
     finalHtml = finalHtml.replace(regex, value);
     if (finalSubject) {
@@ -75,24 +61,28 @@ ${hasVars ? varsMap : '  // Nessuna variabile rilevata'}
     }
   }
 
+  // Output del contenuto processato
   item.json.processed_html = finalHtml;
   item.json.processed_subject = finalSubject;
 }
+
 return items;`;
 };
 
+// Async API calls to replace synchronous localStorage
 export const getTemplates = async (): Promise<EmailTemplate[]> => {
-  console.log("Fetching templates from /api/templates...");
+  try {
     const response = await fetch('/api/templates');
-  if (!response.ok) {
-    const errorBody = await response.text();
-    throw new Error(`Errore API (${response.status}): ${errorBody || response.statusText}`);
-  }
+    if (!response.ok) throw new Error('Fallito il recupero');
     return await response.json();
+  } catch (e) {
+    console.error("Fallito il caricamento dei template", e);
+    return [];
+  }
 };
 
 export const saveTemplate = async (template: EmailTemplate): Promise<void> => {
-  console.log("Saving template to /api/templates...", template.name);
+  try {
     const response = await fetch('/api/templates', {
       method: 'POST',
       headers: {
@@ -102,21 +92,23 @@ export const saveTemplate = async (template: EmailTemplate): Promise<void> => {
     });
     
     if (!response.ok) {
-    let errorMessage = `Errore HTTP ${response.status}`;
-    try {
-        const errorData = await response.json();
-        errorMessage = errorData.details || errorData.error || errorMessage;
-    } catch (e) {
-        const textError = await response.text();
-        if (textError) errorMessage = textError;
+      const error = await response.json();
+      throw new Error(error.message || 'Salvataggio fallito');
     }
-    throw new Error(errorMessage);
+  } catch (e) {
+    console.error("Fallito il salvataggio del template", e);
+    throw e;
   }
 };
 
 export const deleteTemplate = async (id: string): Promise<void> => {
+  try {
     const response = await fetch(`/api/templates/${id}`, {
       method: 'DELETE',
     });
     if (!response.ok) throw new Error('Eliminazione fallita');
+  } catch (e) {
+    console.error("Fallita l'eliminazione del template", e);
+    throw e;
+  }
 };