fruit show route

app/controllers/fruits_controller.rb

@@ -4,4 +4,8 @@ class FruitsController < ApplicationController
         # render json: message: 'hi', status: 200 # doesn't work because nested objects are unguessable
         render json: Fruit.all
     end
+
+    def show
+        render json: Fruit.find(params[:id])
+    end
 end

app/models/fruit.rb

@@ -12,4 +12,9 @@ class Fruit
         results = DB.exec("SELECT * FROM fruits;")
         return results.map { |fruit_opts| Fruit.new(fruit_opts)}
     end
+
+    def self.find(id)
+        results = DB.exec("SELECT * FROM fruits WHERE id=#{id};")
+        return Fruit.new(results.first)
+    end
 end

config/routes.rb

@@ -2,4 +2,5 @@ Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
   get '/fruits', to: 'fruits#index'
   # get('/fruits', { :to => 'fruits#index' })
+  get '/fruits/:id', to: 'fruits#show'
 end