Set up CRUD for Locations

app/controllers/locations_controller.rb

@@ -0,0 +1,23 @@
+class LocationsController < ApplicationController
+    skip_before_action :verify_authenticity_token
+
+    def index
+        render json: Location.all
+    end
+
+    def show
+        render json: Location.find(params["id"])
+    end
+
+    def create
+        render json: Location.create(params["location"])
+    end
+
+    def delete
+        render json: Location.delete(params["id"])
+    end
+
+    def update
+        render json: Location.update(params["id"], params["location"])
+    end
+end

app/models/location.rb

@@ -0,0 +1,36 @@
+class Location
+    # connect to postgres
+    DB = PG.connect(host: "localhost", port: 5432, dbname: 'contacts')
+
+    def initialize(opts = {})
+        @id = opts["id"].to_i
+        @street = opts["street"]
+        @city = opts["city"]
+        @state = opts["state"]
+    end
+
+    def self.all
+        results = DB.exec("SELECT * FROM locations;")
+        return results.map { |result| Location.new(result) }
+    end
+
+    def self.find(id)
+        results = DB.exec("SELECT * FROM locations WHERE id=#{id};")
+        return Location.new(results.first)
+    end
+
+    def self.create(opts={})
+        results = DB.exec("INSERT INTO locations (street, city, state) VALUES ( '#{opts["street"]}', '#{opts["city"]}', '#{opts["state"]}' );")
+        return { created:true }
+    end
+
+    def self.delete(id)
+        results = DB.exec("DELETE FROM locations WHERE id=#{id};")
+        return { deleted: true }
+    end
+
+    def self.update(id, opts={})
+        results = DB.exec("UPDATE locations SET street='#{opts["street"]}', city='#{opts["city"]}', state='#{opts["state"]}' WHERE id=#{id} ;")
+        return { updated: true }
+    end
+end

config/routes.rb

@@ -5,4 +5,11 @@ Rails.application.routes.draw do
   post '/people', to: 'people#create'
   delete '/people/:id', to: 'people#delete'
   put '/people/:id', to: 'people#update'
+
+  get '/locations', to: 'locations#index'
+  get '/locations/:id', to: 'locations#show'
+  post '/locations', to: 'locations#create'
+  delete '/locations/:id', to: 'locations#delete'
+  put '/locations/:id', to: 'locations#update'
+
 end