add readme and init script

Author: bitnimble

README.md

@@ -0,0 +1,27 @@
+## Installation
+
+```
+# Clone and install deps
+git clone https://github.com/anonymousthing/paradb-api.git
+cd paradb-api
+yarn
+
+# Install and start postgres
+sudo apt install postgresql
+sudo service postgresql start
+
+# Create postgres user for yourself
+sudo -u postgres createuser --interactive --pwprompt
+
+# Edit .env to fill out your username and password!
+
+# Create db and instantiate schema
+createdb paradb
+db/init.sh
+
+# Create symlink from "fe" to the actual frontend dist directory
+ln -s /path/to/obento2/dist/paradb fe
+
+# Start server
+yarn start
+```

db/init.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+HERE="$(realpath "${0}" | xargs dirname)"
+
+psql -d paradb -f "$HERE/init.sql"
+psql -d paradb -f "$HERE/fake_data.sql"

db/init.sql

@@ -1,4 +1,4 @@
-DROP TABLE maps;
+DROP TABLE IF EXISTS maps;
 CREATE TABLE maps (
   id varchar(16) not null,
   title varchar(256) not null,
@@ -10,7 +10,7 @@ CREATE TABLE maps (
   album_art text
 );
 
-DROP TABLE complexities;
+DROP TABLE IF EXISTS complexities;
 CREATE TABLE complexities (
   map_id varchar(32) not null,
   complexity int not null,

src/index.ts

@@ -1,5 +1,9 @@
 require('dotenv').config();
 
+if (process.env.PGUSER == '' && process.env.PGPASSWORD == '') {
+  console.error('PGUSER and PGPASSWORD have been left blank in .env -- intentional?');
+}
+
 import express from 'express';
 import path from 'path';
 import apiRouter from './api';