AnnasRechnungsManager/prisma/schema.prisma

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider          = "mysql"
  url               = env("DATABASE_URL")
  shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
}

enum UserRole {
  USER
  ADMIN
}

model User {
  id           String     @id @default(cuid())
  email        String     @unique
  username     String     @unique
  passwordHash String
  name         String
  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
  legalForm       String?
  taxId           String?
  vatId           String?
  address         String
  zip             String
  city            String
  country         String     @default("DE")
  email           String?
  phone           String?
  website         String?
  bankIban        String?
  bankBic         String?
  bankName        String?
  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[]
  invoices          Invoice[]
  services          Service[]
  betriebsausgaben  Betriebsausgabe[]
  betriebseinnahmen Betriebseinnahme[]
  anlagegueter      Anlagegut[]
  buchungen         Buchung[]
  createdAt       DateTime   @default(now())
  updatedAt       DateTime   @updatedAt

  @@map("companies")
}

enum TransactionAccount {
  KASSE
  BANK
}

enum TransactionType {
  EINLAGE
  ENTNAHME
}

model Buchung {
  id          String             @id @default(cuid())
  companyId   String
  company     Company            @relation(fields: [companyId], references: [id], onDelete: Cascade)
  date        DateTime
  account     TransactionAccount
  type        TransactionType
  amount      Decimal            @db.Decimal(10, 2)
  description String?            @db.Text
  createdAt   DateTime           @default(now())
  updatedAt   DateTime           @updatedAt

  @@index([companyId])
  @@index([date])
  @@map("buchungen")
}

model Service {
  id          String   @id @default(cuid())
  companyId   String
  company     Company  @relation(fields: [companyId], references: [id], onDelete: Cascade)
  name        String
  description String?  @db.Text
  unit        String?
  unitPrice   Decimal  @db.Decimal(10, 2)
  taxRate     Decimal  @db.Decimal(5, 2)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  @@map("services")
}

model Customer {
  id        String    @id @default(cuid())
  companyId String
  company   Company   @relation(fields: [companyId], references: [id], onDelete: Cascade)
  name      String
  taxId     String?
  address   String
  zip       String
  city      String
  country   String    @default("DE")
  email     String?
  phone     String?
  invoices  Invoice[]
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt

  @@map("customers")
}

model Invoice {
  id           String        @id @default(cuid())
  number       String?
  companyId    String
  company      Company       @relation(fields: [companyId], references: [id], onDelete: Cascade)
  customerId   String
  customer     Customer      @relation(fields: [customerId], references: [id])
  issueDate    DateTime
  deliveryDate DateTime?
  dueDate      DateTime
  status          InvoiceStatus @default(DRAFT)
  kleinunternehmer Boolean       @default(false)
  notes           String?        @db.Text
  items        InvoiceItem[]
  netTotal     Decimal       @db.Decimal(10, 2)
  taxTotal     Decimal       @db.Decimal(10, 2)
  grossTotal   Decimal       @db.Decimal(10, 2)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  deletedAt    DateTime?

  @@unique([companyId, number])
  @@map("invoices")
}

enum InvoiceStatus {
  DRAFT
  SENT
  PAID
  CANCELLED
  DELETED
}

enum Zahlungsart {
  KASSE
  BANK
}

enum EinnahmeKategorie {
  FUSSPFLEGE
  PRIVATEINLAGEN
  DARLEHEN
  STEUERERSTATTUNGEN
  VERSICHERUNGSERSTATTUNGEN
  ZINSERTRAEGE
  VERMIETUNG_VERPACHTUNG
  VERAEUSSERUNGSERLOES
  EIGENVERBRAUCH
  SONSTIGE_EINNAHMEN
}

model Betriebseinnahme {
  id           String            @id @default(cuid())
  companyId    String
  company      Company           @relation(fields: [companyId], references: [id], onDelete: Cascade)
  kategorie    EinnahmeKategorie
  betrag       Decimal           @db.Decimal(10, 2)
  steuersatz   Decimal           @db.Decimal(5, 2) @default(0)
  zahlungsart  Zahlungsart       @default(BANK)
  datum        DateTime
  beschreibung String?           @db.Text
  createdAt    DateTime          @default(now())
  updatedAt    DateTime          @updatedAt

  @@index([companyId])
  @@index([datum])
  @@map("betriebseinnahmen")
}

model Anlagegut {
  id                  String   @id @default(cuid())
  companyId           String
  company             Company  @relation(fields: [companyId], references: [id], onDelete: Cascade)
  bezeichnung         String
  anschaffungsdatum   DateTime
  anschaffungskosten  Decimal  @db.Decimal(10, 2)
  nutzungsdauerJahre  Int
  restwert            Decimal  @db.Decimal(10, 2) @default(0)
  beschreibung        String?  @db.Text
  aktiv               Boolean  @default(true)
  createdAt           DateTime @default(now())
  updatedAt           DateTime @updatedAt

  @@index([companyId])
  @@map("anlagegueter")
}

enum AusgabeKategorie {
  WAREN_ROHSTOFFE
  GERINGWERTIGE_WIRTSCHAFTSGUETER
  ABSCHREIBUNGEN
  MIETE
  STROM_WASSER
  TELEKOMMUNIKATION
  FORTBILDUNG_MESSEN
  BEITRAEGE
  VERSICHERUNGEN
  WERBEKOSTEN
  ZINSEN
  REISEKOSTEN
  REPARATUREN_INSTANDHALTUNG
  BUEROBEDARF
  REPRAESENTATIONSKOSTEN
  SONSTIGER_BETRIEBSBEDARF
  NEBENKOSTEN_GELDVERKEHR
}

model Betriebsausgabe {
  id           String           @id @default(cuid())
  companyId    String
  company      Company          @relation(fields: [companyId], references: [id], onDelete: Cascade)
  kategorie    AusgabeKategorie
  betrag       Decimal          @db.Decimal(10, 2)
  steuersatz   Decimal          @db.Decimal(5, 2) @default(0)
  zahlungsart  Zahlungsart      @default(BANK)
  datum        DateTime
  beschreibung String?          @db.Text
  createdAt    DateTime         @default(now())
  updatedAt    DateTime         @updatedAt

  @@index([companyId])
  @@index([datum])
  @@map("betriebsausgaben")
}

model InvoiceItem {
  id          String  @id @default(cuid())
  invoiceId   String
  invoice     Invoice @relation(fields: [invoiceId], references: [id], onDelete: Cascade)
  position    Int
  description String  @db.Text
  quantity    Decimal @db.Decimal(10, 3)
  unit        String?
  unitPrice   Decimal @db.Decimal(10, 2)
  taxRate     Decimal @db.Decimal(5, 2)
  netAmount   Decimal @db.Decimal(10, 2)
  taxAmount   Decimal @db.Decimal(10, 2)
  grossAmount Decimal @db.Decimal(10, 2)

  @@map("invoice_items")
}