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Client for Team LGTM - Fall 22 ASE

This is an application which contains a connected flask backend to a react frontend. It shows the personal user perspective of our service, i.e. managing personal expenses and sending money requests/transfers.

How to build and run locally

Build

  1. In backend dir, run python3 -m venv env
  2. activate: source env/bin/activate
  3. Run pip install -r requirements.txt to install necessary Python requirements.
  4. Return to the base directory and run: npm install before going to the Run backend and Run web app steps below.

Run backend

  1. flask run(preferred), or npm run start-backend, or python3 server.py directly
  2. Open http://localhost:5000 to view it in the browser.

Run web app

  1. npm start
  2. Open http://localhost:3000 to view it in the browser.

Features

This client shows a subset of our EasyMoney service, i.e. it can be used to build a personal money management tool that serves just like online banking, c2c money service, for example. More features can be added to emphasize the social interactions

  1. Authentication: login/signup/logout are available in this client. It's the First step in user workflow.
  2. Transfer: transfers are like one-way payment from the user to someone else. Transactions are executed immediately. No actions taken on the receiver side.
  3. Request: requests are pending once sent, and receiver needs to take actions, i.e. accept/decline, to make the transaction or decline the request, respectively.
  4. User Profile: a simple profile page for viewing user profile details, making deposit/withdrawing money.
  5. Feed: display all the transactions in which the current user is involved.

Testings

We use manual testing to demonstrate the workflow between this client and our service.

  1. First follow How to build and run locally to set up the client and then visit http://localhost:3000
  2. Authentication Workflow:
    1. Click on the login button in the nav bar. The auth feature uses our auth service to register/login.
    2. If you're new to the website, click the signup link at the bottom, and you can fill in information to register.
    3. If you've already signed up, login with exisitng credentials.
  3. Deposite/Withdraw Workflow:
    1. Click on the profile button in the nav bar.
    2. Fill in the amount of money you want to deposit to/withdraw from your account, and then hit the button.
    3. You should see your balance immediately changed in the profile page.
  4. Money Transfer Workflow
    1. After logging in, click on the transfer button in the nav bar
    2. Use the search bar to find the person you want to transfer money from, type in other details like amount, descriptions, and category, and then hit make transfer.
    3. If transfer is successfully completed, a successful banner will pop up; otherwise, a failed notice with specific error message will pop up.
  5. Money Request Workflow
    1. Fill in the request similar to the steps in Money Transfer Workflow
    2. Now there's a new section which contains cards of items, and each item is a pending request.
    3. If you send the request, there will be no accept/decline button on your side. You can just view the pending requests sent BY YOU.
    4. If you receive the request, you can view the pending requests sending TO YOU. There will be accept/decline button for you to accept or decline the request, and balance will be updated accordingly as soon as you hit either button.
  6. Feed Workflow:
    1. Click on the feed button in the nav bar.
    2. You should see your transactions displayed in feed.

Some Common Issues

  1. Failed to activate python env?
    1. Try use conda instead. Run conda deactivate, then conda activate, then conda install xx to install missing dependencies.
  2. Some requirements are missing?
    1. Try use conda, or manually install the missing packages.
  3. Cannot run flask run?
    1. You should configure by export FLASK_APP = server.py and then build.