feat: add generated code

backend/prisma/schema.prisma

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+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+enum EquipmentStatus {
+  Active
+  Inactive
+  Repair
+}
+
+model Equipment {
+  id               String                  @id @default(uuid())
+  name             String
+  serialNumber     String                  @unique
+  dateOfInspection DateTime?               @db.Date
+  commissionedAt   DateTime?
+  status           EquipmentStatus         @default(Active)
+  statusChanges    ChangeEquipmentStatus[]
+  createdAt        DateTime                @default(now())
+  updatedAt        DateTime                @updatedAt
+}
+
+model ChangeEquipmentStatus {
+  id          String          @id @default(uuid())
+  equipment   Equipment       @relation(fields: [equipmentId], references: [id])
+  equipmentId String
+  newStatus   EquipmentStatus
+  number      String?
+  date        DateTime
+  responsible String?
+  createdAt   DateTime        @default(now())
+  updatedAt   DateTime        @updatedAt
+}

backend/src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { AuthModule } from './auth/auth.module';
+import { EquipmentModule } from './equipment/equipment.module';
+import { ChangeEquipmentStatusModule } from './change-equipment-status/change-equipment-status.module';
+
+@Module({
+  imports: [
+    AuthModule,
+    EquipmentModule,
+    ChangeEquipmentStatusModule,
+  ],
+})
+export class AppModule {}

backend/src/change-equipment-status/change-equipment-status.controller.ts

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+import { Controller, Get, Post, Body, Patch, Param, Delete, Query, UseGuards } from '@nestjs/common';
+import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
+import { ChangeEquipmentStatusService } from './change-equipment-status.service';
+import { CreateChangeEquipmentStatusDto } from './dto/create-change-equipment-status.dto';
+import { UpdateChangeEquipmentStatusDto } from './dto/update-change-equipment-status.dto';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+
+const parseJson = <T>(value?: string): T | undefined => {
+  if (!value) return undefined;
+  try { return JSON.parse(value) as T; } catch { return undefined; }
+};
+
+@ApiTags('change-equipment-status')
+@ApiBearerAuth()
+@UseGuards(JwtAuthGuard)
+@Controller('change-equipment-status')
+export class ChangeEquipmentStatusController {
+  constructor(private readonly changeEquipmentStatusService: ChangeEquipmentStatusService) {}
+
+  @Get()
+  findAll(
+    @Query('skip') skip?: string,
+    @Query('take') take?: string,
+    @Query('orderBy') orderBy?: string,
+    @Query('where') where?: string,
+  ) {
+    return this.changeEquipmentStatusService.findAll({
+      skip: skip ? Number(skip) : 0,
+      take: take ? Number(take) : 25,
+      orderBy: parseJson(orderBy),
+      where: parseJson(where),
+    });
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.changeEquipmentStatusService.findOne({ id });
+  }
+
+  @Post()
+  create(@Body() dto: CreateChangeEquipmentStatusDto) {
+    return this.changeEquipmentStatusService.create(dto);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() dto: UpdateChangeEquipmentStatusDto) {
+    return this.changeEquipmentStatusService.update({ where: { id }, data: dto });
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.changeEquipmentStatusService.remove({ id });
+  }
+}

backend/src/change-equipment-status/change-equipment-status.module.ts

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+import { Module } from '@nestjs/common';
+import { ChangeEquipmentStatusService } from './change-equipment-status.service';
+import { ChangeEquipmentStatusController } from './change-equipment-status.controller';
+import { PrismaService } from '../prisma/prisma.service';
+
+@Module({
+  controllers: [ChangeEquipmentStatusController],
+  providers: [ChangeEquipmentStatusService, PrismaService],
+})
+export class ChangeEquipmentStatusModule {}

backend/src/change-equipment-status/change-equipment-status.service.ts

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+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+import { ChangeEquipmentStatus, Prisma } from '@prisma/client';
+import { CreateChangeEquipmentStatusDto } from './dto/create-change-equipment-status.dto';
+import { UpdateChangeEquipmentStatusDto } from './dto/update-change-equipment-status.dto';
+
+@Injectable()
+export class ChangeEquipmentStatusService {
+  constructor(private prisma: PrismaService) {}
+
+  async findAll(params: {
+    skip?: number;
+    take?: number;
+    where?: Prisma.ChangeEquipmentStatusWhereInput;
+    orderBy?: Prisma.ChangeEquipmentStatusOrderByWithRelationInput;
+  }): Promise<{ data: ChangeEquipmentStatus[]; total: number }> {
+    const { skip, take, where, orderBy } = params;
+    const [data, total] = await this.prisma.$transaction([
+      this.prisma.changeEquipmentStatus.findMany({ skip, take, where, orderBy }),
+      this.prisma.changeEquipmentStatus.count({ where }),
+    ]);
+    return { data, total };
+  }
+
+  async findOne(where: Prisma.ChangeEquipmentStatusWhereUniqueInput): Promise<ChangeEquipmentStatus | null> {
+    return this.prisma.changeEquipmentStatus.findUnique({ where });
+  }
+
+  async create(dto: CreateChangeEquipmentStatusDto): Promise<ChangeEquipmentStatus> {
+    return this.prisma.changeEquipmentStatus.create({
+      data: {
+        equipmentId: dto.equipmentId,
+        newStatus: dto.newStatus,
+        number: dto.number,
+        date: new Date(dto.date),
+        responsible: dto.responsible,
+      },
+    });
+  }
+
+  async update(params: {
+    where: Prisma.ChangeEquipmentStatusWhereUniqueInput;
+    data: UpdateChangeEquipmentStatusDto;
+  }): Promise<ChangeEquipmentStatus> {
+    const { where, data: dto } = params;
+    return this.prisma.changeEquipmentStatus.update({
+      where,
+      data: {
+        ...(dto.equipmentId !== undefined && { equipmentId: dto.equipmentId }),
+        ...(dto.newStatus !== undefined && { newStatus: dto.newStatus }),
+        ...(dto.number !== undefined && { number: dto.number }),
+        ...(dto.date !== undefined && { date: new Date(dto.date) }),
+        ...(dto.responsible !== undefined && { responsible: dto.responsible }),
+      },
+    });
+  }
+
+  async remove(where: Prisma.ChangeEquipmentStatusWhereUniqueInput): Promise<ChangeEquipmentStatus> {
+    return this.prisma.changeEquipmentStatus.delete({ where });
+  }
+}

backend/src/change-equipment-status/dto/create-change-equipment-status.dto.ts

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+import { IsString, IsNotEmpty, IsEnum, IsOptional, IsDateString, IsUUID } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+import { EquipmentStatus } from '@prisma/client';
+
+export class CreateChangeEquipmentStatusDto {
+  @ApiProperty()
+  @IsUUID()
+  @IsNotEmpty()
+  equipmentId: string;
+
+  @ApiProperty({ enum: EquipmentStatus, enumName: 'EquipmentStatus' })
+  @IsEnum(EquipmentStatus)
+  newStatus: EquipmentStatus;
+
+  @ApiProperty({ required: false })
+  @IsString()
+  @IsOptional()
+  number?: string;
+
+  @ApiProperty()
+  @IsDateString({ strict: false })
+  @IsNotEmpty()
+  date: string;
+
+  @ApiProperty({ required: false })
+  @IsString()
+  @IsOptional()
+  responsible?: string;
+}

backend/src/change-equipment-status/dto/update-change-equipment-status.dto.ts

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+import { PartialType } from '@nestjs/mapped-types';
+import { CreateChangeEquipmentStatusDto } from './create-change-equipment-status.dto';
+
+export class UpdateChangeEquipmentStatusDto extends PartialType(CreateChangeEquipmentStatusDto) {}

backend/src/equipment/dto/create-equipment.dto.ts

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+import { IsString, IsNotEmpty, IsEnum, IsOptional, IsDateString, IsUUID } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+import { EquipmentStatus } from '@prisma/client';
+
+export class CreateEquipmentDto {
+  @ApiProperty()
+  @IsString()
+  @IsNotEmpty()
+  name: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsNotEmpty()
+  serialNumber: string;
+
+  @ApiProperty({ required: false })
+  @IsDateString({ strict: false })
+  @IsOptional()
+  dateOfInspection?: string;
+
+  @ApiProperty({ required: false })
+  @IsDateString({ strict: false })
+  @IsOptional()
+  commissionedAt?: string;
+
+  @ApiProperty({ enum: EquipmentStatus, enumName: 'EquipmentStatus' })
+  @IsEnum(EquipmentStatus)
+  status: EquipmentStatus;
+}

backend/src/equipment/dto/update-equipment.dto.ts

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+import { PartialType } from '@nestjs/mapped-types';
+import { CreateEquipmentDto } from './create-equipment.dto';
+
+export class UpdateEquipmentDto extends PartialType(CreateEquipmentDto) {}

backend/src/equipment/equipment.controller.ts

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+import { Controller, Get, Post, Body, Patch, Param, Delete, Query, UseGuards } from '@nestjs/common';
+import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
+import { EquipmentService } from './equipment.service';
+import { CreateEquipmentDto } from './dto/create-equipment.dto';
+import { UpdateEquipmentDto } from './dto/update-equipment.dto';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+
+const parseJson = <T>(value?: string): T | undefined => {
+  if (!value) return undefined;
+  try { return JSON.parse(value) as T; } catch { return undefined; }
+};
+
+@ApiTags('equipment')
+@ApiBearerAuth()
+@UseGuards(JwtAuthGuard)
+@Controller('equipment')
+export class EquipmentController {
+  constructor(private readonly equipmentService: EquipmentService) {}
+
+  @Get()
+  findAll(
+    @Query('skip') skip?: string,
+    @Query('take') take?: string,
+    @Query('orderBy') orderBy?: string,
+    @Query('where') where?: string,
+  ) {
+    return this.equipmentService.findAll({
+      skip: skip ? Number(skip) : 0,
+      take: take ? Number(take) : 25,
+      orderBy: parseJson(orderBy),
+      where: parseJson(where),
+    });
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.equipmentService.findOne({ id });
+  }
+
+  @Post()
+  create(@Body() dto: CreateEquipmentDto) {
+    return this.equipmentService.create(dto);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() dto: UpdateEquipmentDto) {
+    return this.equipmentService.update({ where: { id }, data: dto });
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.equipmentService.remove({ id });
+  }
+}

backend/src/equipment/equipment.module.ts

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+import { Module } from '@nestjs/common';
+import { EquipmentService } from './equipment.service';
+import { EquipmentController } from './equipment.controller';
+import { PrismaService } from '../prisma/prisma.service';
+
+@Module({
+  controllers: [EquipmentController],
+  providers: [EquipmentService, PrismaService],
+})
+export class EquipmentModule {}

backend/src/equipment/equipment.service.ts

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+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+import { Equipment, Prisma } from '@prisma/client';
+import { CreateEquipmentDto } from './dto/create-equipment.dto';
+import { UpdateEquipmentDto } from './dto/update-equipment.dto';
+
+@Injectable()
+export class EquipmentService {
+  constructor(private prisma: PrismaService) {}
+
+  async findAll(params: {
+    skip?: number;
+    take?: number;
+    where?: Prisma.EquipmentWhereInput;
+    orderBy?: Prisma.EquipmentOrderByWithRelationInput;
+  }): Promise<{ data: Equipment[]; total: number }> {
+    const { skip, take, where, orderBy } = params;
+    const [data, total] = await this.prisma.$transaction([
+      this.prisma.equipment.findMany({ skip, take, where, orderBy }),
+      this.prisma.equipment.count({ where }),
+    ]);
+    return { data, total };
+  }
+
+  async findOne(where: Prisma.EquipmentWhereUniqueInput): Promise<Equipment | null> {
+    return this.prisma.equipment.findUnique({ where });
+  }
+
+  async create(dto: CreateEquipmentDto): Promise<Equipment> {
+    return this.prisma.equipment.create({
+      data: {
+        name: dto.name,
+        serialNumber: dto.serialNumber,
+        status: dto.status,
+        dateOfInspection: dto.dateOfInspection ? new Date(dto.dateOfInspection) : null,
+        commissionedAt: dto.commissionedAt ? new Date(dto.commissionedAt) : null,
+      },
+    });
+  }
+
+  async update(params: {
+    where: Prisma.EquipmentWhereUniqueInput;
+    data: UpdateEquipmentDto;
+  }): Promise<Equipment> {
+    const { where, data: dto } = params;
+    return this.prisma.equipment.update({
+      where,
+      data: {
+        ...(dto.name !== undefined && { name: dto.name }),
+        ...(dto.serialNumber !== undefined && { serialNumber: dto.serialNumber }),
+        ...(dto.status !== undefined && { status: dto.status }),
+        ...(dto.dateOfInspection !== undefined && {
+          dateOfInspection: dto.dateOfInspection ? new Date(dto.dateOfInspection) : null,
+        }),
+        ...(dto.commissionedAt !== undefined && {
+          commissionedAt: dto.commissionedAt ? new Date(dto.commissionedAt) : null,
+        }),
+      },
+    });
+  }
+
+  async remove(where: Prisma.EquipmentWhereUniqueInput): Promise<Equipment> {
+    return this.prisma.equipment.delete({ where });
+  }
+}