ControllerV1.ts

/**
   Copyright 2022 Scaffoldly LLC

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */
import { HttpRequest } from '@scaffoldly/serverless-util';
import {
  Body,
  Controller,
  Delete,
  Get,
  Post,
  Put,
  Query,
  Request,
  Res,
  Route,
  Tags,
  TsoaResponse,
} from 'tsoa';
import { TerraformError } from '../interfaces/errors';
import { StateLockRequest } from '../models/interfaces/StateLockRequest';
import { GithubService } from '../services/GithubService';
import { StateService } from '../services/StateService';

@Route('/v1')
@Tags('v1')
export class ControllerV1 extends Controller {
  githubService: GithubService;

  stateService: StateService;

  constructor() {
    super();
    this.githubService = new GithubService();
    this.stateService = new StateService();
  }

  @Get()
  public async getState(
    @Request() request: HttpRequest,
    @Res() res: TsoaResponse<200 | 401 | 403 | 404, any>,
  ): Promise<any> {
    try {
      const identity = await this.githubService.getIdentity(request);
      const state = await this.stateService.getState(identity);
      const response = res(200, state);
      return response;
    } catch (e) {
      if (e instanceof TerraformError) {
        return e.respond(res);
      }
      throw e;
    }
  }

  @Post()
  public async saveState(
    @Request() request: HttpRequest,
    @Query('ID') id: string,
    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
    @Body() state: any,
    @Res() res: TsoaResponse<200 | 400 | 401 | 403 | 404 | 409, void>,
  ): Promise<void> {
    try {
      const stateLockRequest = await this.stateService.getRequest(id);
      const identity = await this.githubService.getIdentity(request, stateLockRequest);
      await this.stateService.saveState(identity, id, state);
      const response = res(200);
      return response;
    } catch (e) {
      if (e instanceof TerraformError) {
        return e.respond(res);
      }
      throw e;
    }
  }

  @Put('lock')
  public async lockState(
    @Request() request: HttpRequest,
    @Body() lockRequest: StateLockRequest,
    @Res() res: TsoaResponse<200 | 401 | 403 | 404 | 409, boolean>,
  ): Promise<boolean> {
    try {
      const stateLockRequest = await this.stateService.saveRequest(lockRequest);
      const identity = await this.githubService.getIdentity(request, stateLockRequest);
      await this.stateService.lockState(identity, stateLockRequest);
      const response = res(200, true);
      return response;
    } catch (e) {
      if (e instanceof TerraformError) {
        return e.respond(res);
      }
      throw e;
    }
  }

  @Delete('lock')
  public async unlockState(
    @Request() request: HttpRequest,
    @Res() res: TsoaResponse<200 | 401 | 403 | 404 | 409, boolean>,
    @Body() lockRequest?: StateLockRequest,
  ): Promise<boolean> {
    try {
      if (lockRequest && lockRequest.ID) {
        const stateLockRequest = await this.stateService.getRequest(lockRequest.ID);
        const identity = await this.githubService.getIdentity(request, stateLockRequest);
        await this.stateService.unlockState(identity, stateLockRequest);
      } else {
        const identity = await this.githubService.getIdentity(request);
        await this.stateService.unlockState(identity);
      }
      const response = res(200, true);
      return response;
    } catch (e) {
      if (e instanceof TerraformError) {
        return e.respond(res);
      }
      throw e;
    }
  }
}