Reapply "Merge pull request #250 from dadosfera/beta"

This reverts commit d3f7664116.

src/modules/theme/dtos/customers.ts

@@ -0,0 +1,47 @@
+import { Link, Theme } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/entities';
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+
+export class CustomerLink implements Link {
+  @ApiProperty()
+  href: string;
+  @ApiProperty()
+  name: string;
+  @ApiProperty()
+  description: string;
+  @ApiPropertyOptional()
+  iconSrc: string;
+}
+export class CustomerLinkRequest {
+  @ApiProperty({ type: [CustomerLink] })
+  links: CustomerLink[];
+}
+
+export class CustomerLinksResponse {
+  @ApiProperty({ type: [CustomerLink] })
+  links: CustomerLink[];
+}
+
+export class CustomerTheme implements Theme {
+  @ApiProperty()
+  backgroundColor: string;
+  @ApiProperty()
+  textColor: string;
+  @ApiProperty()
+  logo: string;
+  @ApiProperty()
+  logoLogin: string;
+}
+
+export class CustomerThemeResponse {
+  @ApiProperty()
+  theme: CustomerTheme;
+}
+
+export class CustomerThemeRequest {
+  @ApiProperty()
+  displayName: string;
+  @ApiProperty()
+  backgroundColor: string;
+  @ApiProperty()
+  textColor: string;
+}

src/modules/theme/theme.controller.ts

@@ -0,0 +1,127 @@
+import { DadosferaLogger } from '@dadosfera/dadosfera-logs';
+import {
+  Body,
+  Controller,
+  Get,
+  HttpException,
+  HttpStatus,
+  Inject,
+  Param,
+  Post,
+  Put,
+  Query,
+  UploadedFiles,
+  UseFilters,
+  UseInterceptors,
+  HttpCode
+} from '@nestjs/common';
+import { ApiOkResponse, ApiTags } from '@nestjs/swagger';
+import { PERMISSIONS_GROUPS } from 'src/authentication/permissions.enum';
+import {
+  Authenticated,
+  RequireAllPermissions,
+} from 'src/decorators/authentication.decorator';
+import { GrpcToHttpExceptionFilter } from 'src/error/grpc-to-http-exception.filter';
+import { CustomerThemeRequest, CustomerThemeResponse } from './dtos/customers';
+
+import ErrorCodes from 'src/utils/errorCodes';
+import { AnyFilesInterceptor } from '@nestjs/platform-express';
+import { ThemeService } from './theme.service';
+
+@ApiTags('Theme')
+@Controller('customers')
+@UseFilters(GrpcToHttpExceptionFilter)
+export class ThemeController {
+  logger: DadosferaLogger;
+
+  constructor(
+    @Inject(DadosferaLogger)
+    dadosferaLogger: DadosferaLogger,
+    private themeService: ThemeService,
+  ) {
+    this.logger = dadosferaLogger.logger;
+  }
+
+
+  @Post('/:id/theme')
+  @Authenticated()
+  @RequireAllPermissions(PERMISSIONS_GROUPS.USERS.permissions.ADMIN)
+  @ApiOkResponse({ type: CustomerThemeResponse })
+  @UseInterceptors(AnyFilesInterceptor())
+  @HttpCode(HttpStatus.OK)
+  async saveCustomertheme(
+    @Param('id') id: string,
+    @Body() data: CustomerThemeRequest,
+    @UploadedFiles() files: Array<Express.Multer.File>
+  ) {
+
+    this.logger.info('saveCustomertheme' + JSON.stringify({
+      id, 
+    }));
+
+    const logo = files.find(file => file.fieldname === 'logo');
+    const logoLogin = files.find(file => file.fieldname === 'logoLogin');
+
+    this.validFileSize(logo);
+    this.validFileSize(logoLogin);
+    this.validMimeType(logo);
+    this.validMimeType(logoLogin);
+
+    try {
+      const theme = await this.themeService.createThemeByCustomer(id, {
+        ...data,
+        logo,
+        logoLogin
+      });
+      this.logger.info('saveCustomertheme' + JSON.stringify(theme));
+      return theme;
+    } catch (err) {
+      if (err.details === ErrorCodes.CUSTOMER.NOT_FOUND) {
+        this.logger.error('Error - saveCustomertheme - Expect CUSTOMER.NOT_FOUND');
+        throw new HttpException(err.details, HttpStatus.NOT_FOUND);
+      } else {
+        this.logger.error('Error - saveCustomertheme Unknown Error:' + err?.message);
+        return { theme: null };
+      };
+    }
+  }
+
+  private validFileSize(file: Express.Multer.File) {
+    const maxFileSize = 10 * 1024 * 1024; // 10MB
+
+    if (file && file.size > maxFileSize) {
+      throw new HttpException(`O Arquivo ${file.filename} possui mais de 10MB`, HttpStatus.BAD_REQUEST);
+    }
+  }
+
+  private validMimeType(file: Express.Multer.File) {
+    const mimeTypesValid = ['image/jpeg', 'image/jpg', 'image/png', 'image/svg+xml'];
+
+    if (file && !mimeTypesValid.includes(file.mimetype)) {
+      throw new HttpException(`O Arquivo ${file.fieldname} deve ser jpeg, jpg, png ou svg`, HttpStatus.BAD_REQUEST);
+    }
+  }
+
+  @Get('/:id/theme')
+  @ApiOkResponse({ type: CustomerThemeResponse })
+  async getCustomerTheme(@Param('id') id: string) {
+    this.logger.info('getCustomerTheme with id' + id);
+
+    try {
+      const data = await this.themeService.getThemeByCustomer(id);
+      this.logger.info('Success - getCustomerTheme'+ JSON.stringify(data));
+      if (data?.theme) return data;
+
+      return { theme: null };
+    }catch (err) {
+      if (err.details === ErrorCodes.CUSTOMER.NOT_FOUND) {
+        this.logger.error('Error - getCustomerTheme - Expect CUSTOMER.NOT_FOUND');
+        throw new HttpException(err.details, HttpStatus.NOT_FOUND);
+      } else {
+        this.logger.error('Error - getCustomerTheme Unknown Error:' + err?.message);
+        return { theme: null };
+      };
+    }
+  }
+
+}

src/modules/theme/theme.module.ts

@@ -0,0 +1,20 @@
+import { Module } from '@nestjs/common';
+import { DadosferaLogger } from '@dadosfera/dadosfera-logs';
+import { ClientsModule } from '@nestjs/microservices';
+import { ThemeController } from './theme.controller';
+import { ThemeService } from './theme.service';
+import { DucClient } from '../duc/client.config';
+
+const ducClient = new DucClient();
+
+@Module({
+  imports: [
+    ClientsModule.register([
+      ducClient.providerOptions,
+    ]),
+  ],
+  controllers: [ThemeController],
+  providers: [ThemeService, DadosferaLogger],
+  exports: [ThemeService],
+})
+export class ThemeModule {}

src/modules/theme/theme.service.ts

@@ -0,0 +1,158 @@
+import {
+  OnModuleInit,
+  Inject,
+  Injectable,
+  HttpException,
+  HttpStatus,
+  InternalServerErrorException,
+} from '@nestjs/common';
+
+import { firstValueFrom, lastValueFrom, ReplaySubject } from 'rxjs';
+import { Link } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/entities';
+import { DucClient } from '../duc/client.config';
+import { ClientGrpc } from '@nestjs/microservices';
+import { ProtoServices } from '@dadosfera/protospack-v2/dist/lib/Duc';
+import { CustomerUpdateRequest } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/messages';
+import { ThemeProtoService } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/write-service';
+import { ThemeRequest } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/messages';
+import { CustomerThemeRequest, CustomerThemeResponse } from './dtos/customers';
+import DadosferaLogger from '@dadosfera/dadosfera-logs';
+import { resolve } from 'path';
+import { Readable } from 'stream';
+
+type Files = {
+  logo: Express.Multer.File,
+  logoLogin: Express.Multer.File,
+}
+
+@Injectable()
+export class ThemeService implements OnModuleInit {
+  private themeService: ThemeProtoService;
+  private logger: DadosferaLogger;
+
+  constructor(
+    @Inject(DucClient.name) private readonly grpcClient: ClientGrpc,
+    @Inject(DadosferaLogger)
+    dadosferaLogger: DadosferaLogger,
+  ) {
+    this.logger = dadosferaLogger.logger;
+  }
+
+  onModuleInit() {
+    this.themeService = this.grpcClient.getService<ThemeProtoService>(
+      ProtoServices.ThemeProtoService,
+    );
+  }
+
+  async createThemeByCustomer(id: string, theme: CustomerThemeRequest & Files) {
+    if (!id) {
+      this.logger.error('Error - saveCustomertheme - not found id:' + id);
+      throw new HttpException(null, HttpStatus.BAD_REQUEST);
+    }
+
+    const customerThemeRequest$ = new ReplaySubject<ThemeRequest>();
+
+    customerThemeRequest$.next({
+      customerId: id,
+      displayName: theme.displayName,
+      backgroundColor: theme.backgroundColor,
+      textColor: theme.textColor,
+      isMetadata: true,
+      filename: '',
+      chunk: Buffer.alloc(0)
+    })
+
+    if(theme.logo) {
+      await this.sendFile(theme.logo, customerThemeRequest$);
+    }
+
+    if(theme.logoLogin) {
+      await this.sendFile(theme.logoLogin, customerThemeRequest$);
+    }
+    customerThemeRequest$.complete();
+
+    const stream = this.themeService.CustomerCreateTheme(customerThemeRequest$);
+
+    return lastValueFrom(stream);
+  }
+
+  async getThemeByCustomer(id: string): Promise<CustomerThemeResponse> {
+    if (!id) {
+      this.logger.error('Error - getCustomerTheme - not found id:' + id);
+      throw new HttpException(null, HttpStatus.BAD_REQUEST);
+    }
+
+    const { theme } = await firstValueFrom(
+      this.themeService.CustomerGetTheme({
+        id
+      }),
+    );
+
+    return {
+      theme
+    }
+  }
+
+   private async sendFile(file: Express.Multer.File, stream$: ReplaySubject<ThemeRequest>) {
+    const chunkSize = 4 * 1024 * 1024;
+    const bufferStream = new CustomBufferStream(file.buffer, chunkSize);
+    const parseMimitypeForExtension = {
+      'image/jpeg': '.jpeg',
+      'image/jpg': '.jpg',
+      'image/png': '.png',
+      'image/svg+xml': '.svg',
+    }
+
+    const extension = parseMimitypeForExtension[file.mimetype];
+
+    return new Promise((resolve, reject) => {
+      bufferStream.on('data', (chunk) => {
+        const filename = file.fieldname.concat(extension);
+        stream$.next({
+          customerId: '',
+          displayName: '',
+          backgroundColor: '',
+          textColor: '',
+          isMetadata: false,
+          filename: filename,
+          chunk: chunk
+        });
+      });
+
+      bufferStream.on('end', () => {
+        resolve(file.filename)
+      });
+
+      bufferStream.on('error', (err) => {
+        reject(err);
+      });
+    });
+  }
+
+}
+
+class CustomBufferStream extends Readable {
+  buffer: Buffer;
+  offset: number;
+  chunkSize: number;
+
+  constructor(buffer: Buffer, chunkSize: number) {
+    super({ highWaterMark: chunkSize }); // Configura o tamanho do chunk
+    this.buffer = buffer;
+    this.offset = 0;
+    this.chunkSize = chunkSize;
+  }
+
+  _read() {
+    if (this.offset < this.buffer.length) {
+      const end = Math.min(this.offset + this.chunkSize, this.buffer.length);
+
+      const copiedBuf = Uint8Array.prototype.slice.call(this.buffer);
+      const chunk = copiedBuf.slice(this.offset, end);
+      this.offset = end;
+      this.push(chunk);
+    } else {
+      this.push(null);
+    }
+  }
+}