ADD: added admin panel and archiv mandates

prisma/migrations/20260313000000_add_username_role_auditlog/migration.sql

@@ -0,0 +1,29 @@
+-- Add UserRole enum (MySQL ENUM)
+ALTER TABLE `users` ADD COLUMN `username` VARCHAR(191) NULL;
+ALTER TABLE `users` ADD COLUMN `role` ENUM('USER', 'ADMIN') NOT NULL DEFAULT 'USER';
+
+-- Backfill username from email (use part before @, ensure uniqueness)
+UPDATE `users` SET `username` = LOWER(SUBSTRING_INDEX(`email`, '@', 1)) WHERE `username` IS NULL;
+
+-- Make username NOT NULL and add unique constraint
+ALTER TABLE `users` MODIFY COLUMN `username` VARCHAR(191) NOT NULL;
+ALTER TABLE `users` ADD UNIQUE INDEX `users_username_key`(`username`);
+
+-- Create AuditLog table
+CREATE TABLE `audit_logs` (
+    `id` VARCHAR(191) NOT NULL,
+    `userId` VARCHAR(191) NULL,
+    `action` VARCHAR(191) NOT NULL,
+    `entity` VARCHAR(191) NULL,
+    `entityId` VARCHAR(191) NULL,
+    `metadata` JSON NULL,
+    `ipAddress` VARCHAR(191) NULL,
+    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+
+    INDEX `audit_logs_userId_idx`(`userId`),
+    INDEX `audit_logs_createdAt_idx`(`createdAt`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- Add foreign key from audit_logs to users
+ALTER TABLE `audit_logs` ADD CONSTRAINT `audit_logs_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `users`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20260313000001_add_archived_invoice_status/migration.sql

@@ -0,0 +1,2 @@
+-- Extend InvoiceStatus enum with ARCHIVED
+ALTER TABLE `invoices` MODIFY COLUMN `status` ENUM('DRAFT', 'SENT', 'PAID', 'CANCELLED', 'ARCHIVED') NOT NULL DEFAULT 'DRAFT';

prisma/migrations/20260313000002_company_archived_invoice_deleted/migration.sql

@@ -0,0 +1,7 @@
+-- Rename ARCHIVED -> DELETED in InvoiceStatus enum
+ALTER TABLE `invoices` MODIFY COLUMN `status` ENUM('DRAFT', 'SENT', 'PAID', 'CANCELLED', 'DELETED') NOT NULL DEFAULT 'DRAFT';
+
+-- Add archived fields to companies
+ALTER TABLE `companies`
+  ADD COLUMN `archived`   TINYINT(1) NOT NULL DEFAULT 0,
+  ADD COLUMN `archivedAt` DATETIME(3) NULL;

prisma/schema.prisma

@@ -8,18 +8,42 @@ datasource db {
   shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
 }
 
+enum UserRole {
+  USER
+  ADMIN
+}
+
 model User {
-  id           String    @id @default(cuid())
-  email        String    @unique
+  id           String     @id @default(cuid())
+  email        String     @unique
+  username     String     @unique
   passwordHash String
   name         String
-  createdAt    DateTime  @default(now())
-  updatedAt    DateTime  @updatedAt
+  role         UserRole   @default(USER)
+  createdAt    DateTime   @default(now())
+  updatedAt    DateTime   @updatedAt
   companies    Company[]
+  auditLogs    AuditLog[]
 
   @@map("users")
 }
 
+model AuditLog {
+  id        String   @id @default(cuid())
+  userId    String?
+  user      User?    @relation(fields: [userId], references: [id], onDelete: SetNull)
+  action    String
+  entity    String?
+  entityId  String?
+  metadata  Json?
+  ipAddress String?
+  createdAt DateTime @default(now())
+
+  @@index([userId])
+  @@index([createdAt])
+  @@map("audit_logs")
+}
+
 model Company {
   id              String     @id @default(cuid())
   name            String
@@ -39,6 +63,8 @@ model Company {
   invoicePrefix   String     @default("RE")
   invoiceSequence Int        @default(0)
   kleinunternehmer Boolean   @default(false)
+  archived        Boolean    @default(false)
+  archivedAt      DateTime?
   userId          String
   user            User       @relation(fields: [userId], references: [id], onDelete: Cascade)
   customers       Customer[]
@@ -97,6 +123,7 @@ enum InvoiceStatus {
   SENT
   PAID
   CANCELLED
+  DELETED
 }
 
 model InvoiceItem {

prisma/seed.ts

@@ -13,11 +13,13 @@ async function main() {
     update: {},
     create: {
       email: "anna@example.de",
+      username: "anna",
       passwordHash,
       name: "Anna Musterfrau",
+      role: "ADMIN",
     },
   });
-  console.log(`✓ User created: ${user.email}`);
+  console.log(`✓ User created: ${user.email} (username: ${user.username}, role: ${user.role})`);
 
   // Create demo company
   const company = await prisma.company.upsert({
@@ -94,6 +96,40 @@ async function main() {
   });
   console.log(`✓ Invoice created: ${invoice.number}`);
 
+  const invoice2 = await prisma.invoice.upsert({
+    where: { id: "demo-invoice-2" },
+    update: {},
+    create: {
+      id: "demo-invoice-2",
+      number: "RE-2024-002",
+      companyId: company.id,
+      customerId: customer.id,
+      issueDate: new Date("2026-02-15"),
+      deliveryDate: new Date("2026-02-15"),
+      dueDate: new Date("2026-03-14"),
+      status: "PAID",
+      netTotal: 2000.0,
+      taxTotal: 380.0,
+      grossTotal: 2380.0,
+      items: {
+        create: [
+          {
+            position: 1,
+            description: "Buchhaltungsleistungen Februar 2024",
+            quantity: 10,
+            unit: "h",
+            unitPrice: 200.0,
+            taxRate: 19.0,
+            netAmount: 2000.0,
+            taxAmount: 380.0,
+            grossAmount: 2380.0,
+          },
+        ],
+      },
+    },
+  });
+  console.log(`✓ Invoice created: ${invoice2.number}`);
+
   // Update company sequence
   await prisma.company.update({
     where: { id: company.id },