Add PostgreSQL support with SQLite/Postgres database compatibility layer

- Add dbGet/dbAll helper functions for database-agnostic queries
- Add toDbBool/convertBooleansForDb for boolean type conversion
- Add toDbDate/getNow for timestamp type handling
- Add generateId that returns UUID for Postgres, nanoid for SQLite
- Update all routes to use compatibility helpers
- Add normalizeEvent to return clean number types from Postgres decimal
- Add formatPrice utility for consistent price display
- Add legal pages admin interface with RichTextEditor
- Update carousel images
- Add drizzle migration files for PostgreSQL

frontend/src/lib/api.ts

@@ -967,3 +967,74 @@ export const siteSettingsApi = {
   getTimezones: () =>
     fetchApi<{ timezones: TimezoneOption[] }>('/api/site-settings/timezones'),
 };
+
+// ==================== Legal Pages Types ====================
+
+export interface LegalPage {
+  id: string;
+  slug: string;
+  title: string;
+  titleEs?: string | null;
+  contentText: string;
+  contentTextEs?: string | null;
+  contentMarkdown: string;
+  contentMarkdownEs?: string | null;
+  updatedAt: string;
+  updatedBy?: string | null;
+  createdAt: string;
+  source?: 'database' | 'filesystem';
+  hasEnglish?: boolean;
+  hasSpanish?: boolean;
+}
+
+export interface LegalPagePublic {
+  id?: string;
+  slug: string;
+  title: string;
+  contentMarkdown: string;
+  updatedAt?: string;
+  source?: 'database' | 'filesystem';
+}
+
+export interface LegalPageListItem {
+  id: string;
+  slug: string;
+  title: string;
+  updatedAt: string;
+  hasEnglish?: boolean;
+  hasSpanish?: boolean;
+}
+
+// ==================== Legal Pages API ====================
+
+export const legalPagesApi = {
+  // Public endpoints
+  getAll: (locale?: string) =>
+    fetchApi<{ pages: LegalPageListItem[] }>(`/api/legal-pages${locale ? `?locale=${locale}` : ''}`),
+  
+  getBySlug: (slug: string, locale?: string) =>
+    fetchApi<{ page: LegalPagePublic }>(`/api/legal-pages/${slug}${locale ? `?locale=${locale}` : ''}`),
+  
+  // Admin endpoints
+  getAdminList: () =>
+    fetchApi<{ pages: LegalPage[] }>('/api/legal-pages/admin/list'),
+  
+  getAdminPage: (slug: string) =>
+    fetchApi<{ page: LegalPage }>(`/api/legal-pages/admin/${slug}`),
+  
+  update: (slug: string, data: { 
+    contentMarkdown?: string; 
+    contentMarkdownEs?: string;
+    title?: string; 
+    titleEs?: string;
+  }) =>
+    fetchApi<{ page: LegalPage; message: string }>(`/api/legal-pages/admin/${slug}`, {
+      method: 'PUT',
+      body: JSON.stringify(data),
+    }),
+  
+  seed: () =>
+    fetchApi<{ message: string; seeded: number; pages?: string[] }>('/api/legal-pages/admin/seed', {
+      method: 'POST',
+    }),
+};

frontend/src/lib/legal.ts

@@ -16,8 +16,11 @@ export interface LegalPageMeta {
 // Map file names to display titles
 const titleMap: Record<string, { en: string; es: string }> = {
   'privacy_policy': { en: 'Privacy Policy', es: 'Política de Privacidad' },
+  'privacy-policy': { en: 'Privacy Policy', es: 'Política de Privacidad' },
   'terms_policy': { en: 'Terms & Conditions', es: 'Términos y Condiciones' },
+  'terms-policy': { en: 'Terms & Conditions', es: 'Términos y Condiciones' },
   'refund_cancelation_policy': { en: 'Refund & Cancellation Policy', es: 'Política de Reembolso y Cancelación' },
+  'refund-cancelation-policy': { en: 'Refund & Cancellation Policy', es: 'Política de Reembolso y Cancelación' },
 };
 
 // Convert file name to URL-friendly slug
@@ -70,8 +73,8 @@ export function getAllLegalPagesMeta(locale: string = 'en'): LegalPageMeta[] {
     });
 }
 
-// Get a specific legal page content
-export function getLegalPage(slug: string, locale: string = 'en'): LegalPage | null {
+// Get a specific legal page content from filesystem (fallback)
+export function getLegalPageFromFilesystem(slug: string, locale: string = 'en'): LegalPage | null {
   const legalDir = getLegalDir();
   const fileName = slugToFileName(slug);
   const filePath = path.join(legalDir, fileName);
@@ -82,7 +85,7 @@ export function getLegalPage(slug: string, locale: string = 'en'): LegalPage | n
   
   const content = fs.readFileSync(filePath, 'utf-8');
   const baseFileName = fileName.replace('.md', '');
-  const titles = titleMap[baseFileName];
+  const titles = titleMap[baseFileName] || titleMap[slug];
   const title = titles ? titles[locale as 'en' | 'es'] || titles.en : baseFileName.replace(/_/g, ' ');
   
   // Try to extract last updated date from content
@@ -96,3 +99,43 @@ export function getLegalPage(slug: string, locale: string = 'en'): LegalPage | n
     lastUpdated,
   };
 }
+
+// Get a specific legal page content - tries API first, falls back to filesystem
+export async function getLegalPageAsync(slug: string, locale: string = 'en'): Promise<LegalPage | null> {
+  const apiUrl = process.env.NEXT_PUBLIC_API_URL || '';
+  
+  // Try to fetch from API with locale parameter
+  try {
+    const response = await fetch(`${apiUrl}/api/legal-pages/${slug}?locale=${locale}`, {
+      next: { revalidate: 60 }, // Cache for 60 seconds
+    });
+    
+    if (response.ok) {
+      const data = await response.json();
+      const page = data.page;
+      
+      if (page) {
+        // Extract last updated from content or use updatedAt
+        const lastUpdatedMatch = page.contentMarkdown?.match(/Last updated:\s*(.+)/i);
+        const lastUpdated = lastUpdatedMatch ? lastUpdatedMatch[1].trim() : page.updatedAt;
+        
+        return {
+          slug: page.slug,
+          title: page.title, // API already returns localized title with fallback
+          content: page.contentMarkdown, // API already returns localized content with fallback
+          lastUpdated,
+        };
+      }
+    }
+  } catch (error) {
+    console.warn('Failed to fetch legal page from API, falling back to filesystem:', error);
+  }
+  
+  // Fallback to filesystem
+  return getLegalPageFromFilesystem(slug, locale);
+}
+
+// Legacy sync function for backwards compatibility
+export function getLegalPage(slug: string, locale: string = 'en'): LegalPage | null {
+  return getLegalPageFromFilesystem(slug, locale);
+}

frontend/src/lib/utils.ts

@@ -0,0 +1,36 @@
+/**
+ * Format price - shows decimals only if needed
+ * Uses space as thousands separator (common in Paraguay)
+ * Examples:
+ *   45000 PYG -> "45 000 PYG" (no decimals)
+ *   41.44 PYG -> "41,44 PYG" (with decimals)
+ */
+export function formatPrice(price: number, currency: string = 'PYG'): string {
+  const hasDecimals = price % 1 !== 0;
+  
+  // Format the integer and decimal parts separately
+  const intPart = Math.floor(Math.abs(price));
+  const decPart = Math.abs(price) - intPart;
+  
+  // Format integer part with space as thousands separator
+  const intFormatted = intPart.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
+  
+  // Build final string
+  let result = price < 0 ? '-' : '';
+  result += intFormatted;
+  
+  // Add decimals only if present
+  if (hasDecimals) {
+    const decStr = decPart.toFixed(2).substring(2); // Get just the decimal digits
+    result += ',' + decStr;
+  }
+  
+  return `${result} ${currency}`;
+}
+
+/**
+ * Format currency amount (alias for formatPrice for backward compatibility)
+ */
+export function formatCurrency(amount: number, currency: string = 'PYG'): string {
+  return formatPrice(amount, currency);
+}