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Nonprofit Circle (working name)

Description

  • Platform for non-profits and citizens to collaborate in a giving economy.
  • Primary tech stack: PostgreSQL, NestJs, and React
  • Please make sure to read our contributing/how we work doc before getting started

Installation and Setup

docker is optional, feel free to skip it if you're not comfortable

  1. Setup PostgreSQL Database and OPTIONALLY wrap in Docker container
    • Install postgres if you do not have it already https://www.postgresql.org/download/
      • Make a note of your username and password
    • note: you can skip the below dockerize step if you want to run postgres locally
    • Docker Installation - Follow instuctions for your specific platform:
      • Docker
      • Confirm installation of Docker: $ docker -v
      • Docker Compose
      • Confirm installation of Docker Compose: $ docker-compose --version
  2. Download or clone repository.
  3. Run nvm use to ensure you are using the proper node version
  4. Install required dependencies:
  • run npm i from within /server directory and from the /client directory.
  • run npm run prepare from within /server directory and from the /client directory.
  1. Copy the existing sample.env file into a .env file in /server directory. It will look like this below. Change your secrets accordingly
PORT=3001
DATABASE_HOST=localhost
DATABASE_PORT=5432
DATABASE_USER=postgres
DATABASE_PASSWORD=your_password
DATABASE_DB=test_db
BCRYPT_WORK_FACTOR=10   
# e2e only used when running e2e tests
E2E_DATABASE_DB=e2e_db
# sockets gateway cors
SOCKET_CORS_ORIGIN="http://localhost:3000"
JWT_SECRET=foobar
# reach out to a team lead for the below value if you need it to work on email notification works
SENDGRID_API_KEY=
  1. In that .env file we'll now customize some of those values
    • If you are using the non-dockerized version of postgres, change the DATABASE_PORT value to 5432
    • check if postgres is installed: postgres --version
    • check if postgres service is running: brew services list | grep postgres (leave out the piping to see all brew services)
    • commands for service management:
      • start service: brew services start postgresql
      • stop service: brew services stop postgresql
      • restart service: brew services restart postgresql
    • once postgres is running, try psql, it will say Password for user USERNAME, try some usual passwords
      • if you get in:
        • put that username and password in the env vars
        • run \list to list DBs and put one of them in the DATABASE_DB value
      • if you don't get in:
# list databases:
$ \list
# list users:
$ \du
# create postgres user with postgres password:
$ create user postgres with encrypted password 'postgres';
# add superuser role to postgres user:
$ alter user postgres with superuser;
# add create role role to postgres user:
$ alter user postgres with createrole;
# add create DB role to postgres user:
$ alter user postgres with createdb;
# add replication role to postgres user:
$ alter user postgres with replication;
# add bypass RLS role to postgres user:
$ alter user postgres with bypassrls;
# check password is set and roles are assigned:
$ select * from pg_shadow;
* if you aren't using homebrew, here are some helpful resources and commands
# https://www.robinwieruch.de/postgres-sql-macos-setup/

# create postgres database (should only need doing once?)
$ initdb /usr/local/var/postgres
# start server (optionally add/remove `-l logfile` to move log from terminal to a file)
$ pg_ctl -D /usr/local/var/postgres -l logfile start
# stop server
$ pg_ctl -D /usr/local/var/postgres stop

Startup

  1. Run nvm use to ensure you are using the proper node version
  2. If the database is being run for the first time:
    1. from the server directory, npm run typeorm:migration-run to add the schema to the database
    2. Next, npm run db:seed to create some dev data
  3. If using postgres-dockerized workflow, from /server directory, run npm run start:dev:db
    • Terminal should show a successful start of the docker container, but this can be confirmed by running docker-compose ps in terminal to view the docker-compose container name from docker-compose.yml file.
  4. To start Nest backend in watch mode: From /server directory, run npm run start:dev
  5. To start up React frontend: From /client directory, run npm start. A browser page should start up automatically. If not, visit localhost:3000.

Test

Most tests are still in development.

Backend

From the /server directory.

# unit tests
$ npm run test

# e2e tests
$ npm run test:e2e

# test coverage
$ npm run test:cov

Frontend

From the /client directory.

# unit tests
$ npm run test

Migrations

TypeOrm manages migrations using a migrations table.

Bringing you database up to data

You must do the following to bring your migrations table up to date:

`npm run typeorm:schema-drop` to clear the current database
`npm run typeorm:migration-run` to make the database and migration table reflect the existing migrations

**Whenever you pull main**,
    If there are changes to the migrations folder, navigate to /server and run  `npm run typeorm:migrate` to bring your database up date.

Making database changes

  • make sure your database is in sync with main:

    • on the main branch, make sure your database is up to date, run all pending migrations, then run npm run typeorom:migration-generate. It should fail, as you have not made any changes to main. If migrations are generated when no changes have been made to main, it means that either a) main is missing a migration. (In this case, reach out on slack) or b) you ran migrations on a feature branch and forgot to revert them.
  • checkout the feature branch, run npm run typeorm:migration-generate to generate a new migration with your database changes

  • add the migration file into the DatabaseConnectionService server/src/database-connection.service.ts

  • npm run typeorm:migration-run to update your database with the changes

Before moving back to main you must revert the migrations you just made, running npm run typeorm:migration-revert. If you made multiple migrations, you must migrate multiple times

Merging a pull request with database changes

If any of the database changes in the migration on the pull request conflict with or duplicate other changes made recently, or you just want to be safe, delete the migration in the pull request and re-generate the migration file as described in "making database changes"

Migration package scripts

"typeorm:migration-run" - runs pending migrations "typeorm:migration-generate": generates a migration bringing the current database up to date with your entities "typeorm:migration-create": creates an empty migration file "typeorm:migration-revert": reverts the last migration you ran "typeorm:schema-drop": deletes all tables in the database

Postgres & Docker

Running Postgres Test Database from the Docker CLI

  1. Open and run the Docker desktop app
  2. Start database: $ npm run start:dev:db
  3. Start server: $ npm run start:dev
  4. From a new terminal window:
# get a bash shell in the "postgres" docker container:
$ docker exec -it postgres /bin/bash

# login to your database:
$ su - postgres

# enter the PostgreSQL environment:
$ psql

# connect to the test_db database:
$ \c test_db

# From here you should be able to see all of the tables in the test_db with:
$ \dt

#You can now run SQL commands and queries here

Access psql inside a docker container in a single line:

$ docker exec -it <container-id> psql -U <username> -d <database-name>

source: StackOverflow

Useful Postgres Commands

Log into your local postgres server:

# format is: su - <postgres role name>
# so something like...
$ su - postgres

Enter into psql command prompt within the postgresql server $ psql

List Roles $ \du

Connect to a specific database $ \c <db_name>

List all tables within a database after connecting to it $ \dt

Other helpful Postgres/Docker Resources:

Other Resources

Server

See our compiled resources to get you started

Support

NEH is an MIT-licensed open source project. If you'd like to join us, please read more here.

License

NEH is MIT licensed.

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Nonprofit Circle (formerly Nonprofit Exchange Hub) A hub for the exchange of goods, information and connections for nonprofits of all sizes.

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