model set up and associations

app/config/associate.js

@@ -1,5 +1,23 @@
 module.exports = models => {
-	const { Donors, Grants } = models;
+	const { Donors, Grants, Causes, Regions, Organizations } = models;
 
 	Donors.hasMany(Grants, { foreignKey: 'donor_id' });
+
+	Grants.belongsToMany(Causes, {
+		through: 'grants_causes',
+		foreignKey: 'grant_id',
+		otherKey: 'cause_id'
+	});
+
+	Grants.belongsToMany(Regions, {
+		through: 'grants_regions',
+		foreignKey: 'grant_id',
+		otherKey: 'region_id'
+	});
+
+	Grants.belongsToMany(Organizations, {
+		through: 'grants_organizations',
+		foreignKey: 'grant_id',
+		otherKey: 'organization_id'
+	});
 };

app/config/db.config.js

@@ -1,6 +1,9 @@
 const Sequelize = require('sequelize'),
 	DonorsModel = require('../models/donors.model.js'),
 	GrantsModel = require('../models/grants.model.js'),
+	CausesModel = require('../models/causes.model.js'),
+	RegionsModel = require('../models/regions.model.js'),
+	OrganizationsModel = require('../models/organizations.model.js'),
 	associate = require('./associate');
 
 const connection_uri = process.env.JAWSDB_MARIA_URL;
@@ -32,8 +35,14 @@ const db = {};
 //creating tables/models from imported functions
 const Donors = DonorsModel(sequelize, Sequelize);
 const Grants = GrantsModel(sequelize, Sequelize);
+const Causes = CausesModel(sequelize, Sequelize);
+const Regions = RegionsModel(sequelize, Sequelize);
+const Organizations = OrganizationsModel(sequelize, Sequelize);
 db.Donors = Donors;
 db.Grants = Grants;
+db.Causes = Causes;
+db.Regions = Regions;
+db.Organizations = Organizations;
 
 // make associations with created models
 associate(db);