PrivateAPI: Add media controller

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/api/private/media/media.controller.ts

@@ -0,0 +1,69 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import {
+  BadRequestException,
+  Controller,
+  Headers,
+  HttpCode,
+  InternalServerErrorException,
+  Post,
+  UploadedFile,
+  UseInterceptors,
+} from '@nestjs/common';
+import { ConsoleLoggerService } from '../../../logger/console-logger.service';
+import { MediaService } from '../../../media/media.service';
+import { MulterFile } from '../../../media/multer-file.interface';
+import { MediaUploadUrlDto } from '../../../media/media-upload-url.dto';
+import {
+  ClientError,
+  MediaBackendError,
+  NotInDBError,
+} from '../../../errors/errors';
+import { FileInterceptor } from '@nestjs/platform-express';
+
+@Controller('media')
+export class MediaController {
+  constructor(
+    private readonly logger: ConsoleLoggerService,
+    private mediaService: MediaService,
+  ) {
+    this.logger.setContext(MediaController.name);
+  }
+
+  @Post()
+  @UseInterceptors(FileInterceptor('file'))
+  @HttpCode(201)
+  async uploadMedia(
+    @UploadedFile() file: MulterFile,
+    @Headers('HedgeDoc-Note') noteId: string,
+  ): Promise<MediaUploadUrlDto> {
+    // ToDo: Get real userName
+    const username = 'hardcoded';
+    this.logger.debug(
+      `Recieved filename '${file.originalname}' for note '${noteId}' from user '${username}'`,
+      'uploadImage',
+    );
+    try {
+      const url = await this.mediaService.saveFile(
+        file.buffer,
+        username,
+        noteId,
+      );
+      return this.mediaService.toMediaUploadUrlDto(url);
+    } catch (e) {
+      if (e instanceof ClientError || e instanceof NotInDBError) {
+        throw new BadRequestException(e.message);
+      }
+      if (e instanceof MediaBackendError) {
+        throw new InternalServerErrorException(
+          'There was an error in the media backend',
+        );
+      }
+      throw e;
+    }
+  }
+}