feat: Configuration de la base de données avec Prisma - Ajout du schéma de base de données et des migrations initiales

prisma/schema.prisma

@@ -0,0 +1,223 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+// Entités principales
+model Site {
+  id          String   @id @default(cuid())
+  name        String
+  description String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  machines Machine[]
+
+  @@map("sites")
+}
+
+model TypeMachine {
+  id          String   @id @default(cuid())
+  name        String   @unique
+  description String?
+  category    String?
+  maintenanceFrequency String?
+  components  Json?    // Stockage de la structure hiérarchique des composants
+  criticalParts Json?  // Stockage des pièces critiques
+  machinePieces Json?  // Stockage des pièces de machine
+  specifications Json? // Stockage des spécifications techniques
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  machines Machine[]
+  customFields CustomField[] @relation("TypeMachineCustomFields")
+
+  @@map("type_machines")
+}
+
+model TypeComposant {
+  id          String   @id @default(cuid())
+  name        String   @unique
+  description String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  composants Composant[]
+  customFields CustomField[] @relation("TypeComposantCustomFields")
+
+  @@map("type_composants")
+}
+
+model TypePiece {
+  id          String   @id @default(cuid())
+  name        String   @unique
+  description String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  pieces Piece[]
+  customFields CustomField[] @relation("TypePieceCustomFields")
+
+  @@map("type_pieces")
+}
+
+model Machine {
+  id          String   @id @default(cuid())
+  name        String
+  reference   String?
+  prestataire String?
+  prix        Decimal? @db.Decimal(10, 2)
+  emplacement String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  siteId      String
+  site        Site         @relation(fields: [siteId], references: [id], onDelete: Cascade)
+  
+  typeMachineId String?
+  typeMachine   TypeMachine? @relation(fields: [typeMachineId], references: [id])
+  
+  composants  Composant[]
+  pieces      Piece[]
+  documents   Document[]   @relation("MachineDocuments")
+  customFieldValues CustomFieldValue[] @relation("MachineCustomFieldValues")
+
+  @@map("machines")
+}
+
+model Composant {
+  id          String   @id @default(cuid())
+  name        String
+  reference   String?
+  prestataire String?
+  prix        Decimal? @db.Decimal(10, 2)
+  emplacement String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations hiérarchiques
+  machineId   String?
+  machine     Machine?    @relation(fields: [machineId], references: [id], onDelete: Cascade)
+  
+  parentComposantId String?
+  parentComposant   Composant? @relation("ComposantHierarchy", fields: [parentComposantId], references: [id], onDelete: Cascade)
+  sousComposants    Composant[] @relation("ComposantHierarchy")
+  
+  typeComposantId String?
+  typeComposant   TypeComposant? @relation(fields: [typeComposantId], references: [id])
+  
+  pieces      Piece[]
+  documents   Document[] @relation("ComposantDocuments")
+  customFieldValues CustomFieldValue[] @relation("ComposantCustomFieldValues")
+
+  @@map("composants")
+}
+
+model Piece {
+  id          String   @id @default(cuid())
+  name        String
+  reference   String?
+  prestataire String?
+  prix        Decimal? @db.Decimal(10, 2)
+  emplacement String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  machineId   String?
+  machine     Machine?    @relation(fields: [machineId], references: [id], onDelete: Cascade)
+  
+  composantId String?
+  composant   Composant?  @relation(fields: [composantId], references: [id], onDelete: Cascade)
+  
+  typePieceId String?
+  typePiece   TypePiece?  @relation(fields: [typePieceId], references: [id])
+  
+  documents   Document[]  @relation("PieceDocuments")
+  customFieldValues CustomFieldValue[] @relation("PieceCustomFieldValues")
+
+  @@map("pieces")
+}
+
+model Document {
+  id          String   @id @default(cuid())
+  name        String
+  filename    String
+  path        String
+  mimeType    String
+  size        Int
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations polymorphiques
+  machineId   String?
+  machine     Machine?    @relation("MachineDocuments", fields: [machineId], references: [id], onDelete: Cascade)
+  
+  composantId String?
+  composant   Composant?  @relation("ComposantDocuments", fields: [composantId], references: [id], onDelete: Cascade)
+  
+  pieceId     String?
+  piece       Piece?      @relation("PieceDocuments", fields: [pieceId], references: [id], onDelete: Cascade)
+
+  @@map("documents")
+}
+
+model CustomField {
+  id          String   @id @default(cuid())
+  name        String
+  type        String   // 'string', 'number', 'boolean', 'date'
+  required    Boolean  @default(false)
+  defaultValue String?
+  options     String[] // Pour les champs de type SELECT
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations polymorphiques pour les types
+  typeMachineId   String?
+  typeMachine     TypeMachine?   @relation("TypeMachineCustomFields", fields: [typeMachineId], references: [id], onDelete: Cascade)
+  
+  typeComposantId String?
+  typeComposant   TypeComposant? @relation("TypeComposantCustomFields", fields: [typeComposantId], references: [id], onDelete: Cascade)
+  
+  typePieceId     String?
+  typePiece       TypePiece?     @relation("TypePieceCustomFields", fields: [typePieceId], references: [id], onDelete: Cascade)
+
+  // Relations avec les valeurs
+  customFieldValues CustomFieldValue[]
+
+  @@map("custom_fields")
+}
+
+model CustomFieldValue {
+  id          String   @id @default(cuid())
+  value       String
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  // Relations
+  customFieldId String
+  customField   CustomField @relation(fields: [customFieldId], references: [id], onDelete: Cascade)
+  
+  machineId   String?
+  machine     Machine?    @relation("MachineCustomFieldValues", fields: [machineId], references: [id], onDelete: Cascade)
+  
+  composantId String?
+  composant   Composant?  @relation("ComposantCustomFieldValues", fields: [composantId], references: [id], onDelete: Cascade)
+  
+  pieceId     String?
+  piece       Piece?      @relation("PieceCustomFieldValues", fields: [pieceId], references: [id], onDelete: Cascade)
+
+  @@map("custom_field_values")
+}