From 1507718e656a9159b895d61f7e8fcb5bcae398db Mon Sep 17 00:00:00 2001
From: Matt Huntington <matt.huntington@gmail.com>
Date: Sun, 21 Aug 2016 21:17:50 -0400
Subject: [PATCH] comments for models

---
 models/db.js    |  6 +++---
 models/run.js   | 12 ++++++------
 models/users.js | 20 ++++++++++----------
 3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/models/db.js b/models/db.js
index 1e183f5..a637609 100644
--- a/models/db.js
+++ b/models/db.js
@@ -1,7 +1,7 @@
-var Sequelize = require('sequelize');
+var Sequelize = require('sequelize'); //require sequelize package
 
-var DB_URL = process.env.DATABASE_URL || 'postgres://matthuntington@localhost:5432/sedstack';
+var DB_URL = process.env.DATABASE_URL || 'postgres://matthuntington@localhost:5432/sedstack'; //use either environment variable or static url
 
-var db = new Sequelize(DB_URL);
+var db = new Sequelize(DB_URL); //create the connection.  Will not run multiple times, due to require cacheing the file
 
 module.exports = db;
diff --git a/models/run.js b/models/run.js
index ac2939f..5b4ded5 100644
--- a/models/run.js
+++ b/models/run.js
@@ -1,11 +1,11 @@
-var Sequelize = require('sequelize');
-var db = require('./db.js');
+var Sequelize = require('sequelize'); //require sequelize package
+var db = require('./db.js'); //require connection to the db
 
-var Runs = db.define('run', {
-	date: Sequelize.DATE,
-	distance: Sequelize.FLOAT,
+var Runs = db.define('run', { //set up model variables
+	date: Sequelize.DATE, //use date data type
+	distance: Sequelize.FLOAT, //float for distance
 });
 
-db.sync();
+db.sync(); //if table does not exist, create it
 
 module.exports = Runs;
diff --git a/models/users.js b/models/users.js
index 2e0ff2c..eef76f6 100644
--- a/models/users.js
+++ b/models/users.js
@@ -1,17 +1,17 @@
-var Sequelize = require('sequelize');
-var Runs = require('./run.js');
-var db = require('./db.js');
+var Sequelize = require('sequelize'); //require sequelize package
+var Runs = require('./run.js'); //require our Runs model
+var db = require('./db.js'); //require connection to the DB
 
-var Users = db.define('user', {
-	username: { 
-		type: Sequelize.STRING,
-		unique: true
+var Users = db.define('user', { //set up model for Users
+	username: {
+		type: Sequelize.STRING, //string data type
+		unique: true //each value must be unique in the DB
 	},
-	password: Sequelize.STRING
+	password: Sequelize.STRING //string for password
 });
 
-Users.hasMany(Runs, { as: 'Runs' });
+Users.hasMany(Runs, { as: 'Runs' }); //set up the relationship that Users have many runs.  Will create a user_id column in the Runs table
 
-db.sync();
+db.sync(); //if table does not exist yet, create it
 
 module.exports = Users;