account-controller.js

const { AccountService } = require('./account-service');

const accountService = new AccountService();

exports.createAccount = async (event) => {
  try {
    // extract request body
    const accountRequest = JSON.parse(event.body);

    // validation
    if (!accountRequest.name || !accountRequest.iban) {
      const response = {
        statusCode: 400,
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ code: 'invalid_data', message: 'name and iban are mandatory' }),
      };
      return response;
    }

    // create new account
    const account = await accountService.createAccount(accountRequest);

    // prepare response
    const response = {
      statusCode: 201,
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(account),
    };

    return response;
  } catch (err) {
    console.log(err);
    throw err;
  }
};

exports.getAccount = async (event) => {
  try {
    // validation
    if (!event.pathParameters.id) {
      const response = {
        statusCode: 400,
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ code: 'invalid_data', message: 'account id is mandatory' }),
      };
      return response;
    }

    // get account
    const account = await accountService.getAccount(event.pathParameters.id);

    // prepare response
    const response = {
      statusCode: 200,
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(account),
    };

    return response;
  } catch (err) {
    console.log(err);
    throw err;
  }
};

exports.getAccounts = async (event) => {
  try {
    // get accounts
    const accounts = await accountService.getAccounts();

    // prepare response
    const response = {
      statusCode: 200,
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(accounts),
    };

    return response;
  } catch (err) {
    console.log(err);
    throw err;
  }
};

exports.updateAccount = async (event) => {
  try {
    // extract request body
    const accountUpdateRequest = JSON.parse(event.body);

    // validation
    if (!event.pathParameters.id || !accountUpdateRequest.name || !accountUpdateRequest.iban) {
      const response = {
        statusCode: 400,
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ code: 'invalid_data', message: 'id, name and iban are mandatory' }),
      };
      return response;
    }

    // update account
    const account = await accountService.updateAccount(event.pathParameters.id,
      accountUpdateRequest);

    // prepare response
    const response = {
      statusCode: 200,
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(account),
    };

    return response;
  } catch (err) {
    console.log(err);
    throw err;
  }
};

exports.deleteAccount = async (event) => {
  try {
    // validation
    if (!event.pathParameters.id) {
      const response = {
        statusCode: 400,
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ code: 'invalid_data', message: 'account id is mandatory' }),
      };
      return response;
    }

    // delete account
    const account = await accountService.deleteAccount(event.pathParameters.id);

    // prepare response
    const response = {
      statusCode: 200,
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(account),
    };

    return response;
  } catch (err) {
    console.log(err);
    throw err;
  }
};