Create a join table

app/controllers/jobs_controller.rb

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

app/models/job.rb

@@ -0,0 +1,49 @@
+class Job
+    attr_reader :id, :job_id, :company_id
+    # connect to postgres
+    DB = PG.connect(host: "localhost", port: 5432, dbname: 'contacts')
+
+    def initialize(opts = {})
+        @id = opts["id"].to_i
+        @person_id = opts["person_id"].to_i
+        @company_id = opts["company_id"].to_i
+    end
+
+    def self.all
+        results = DB.exec("SELECT * FROM jobs;")
+        return results.map { |result| Job.new(result) }
+    end
+
+    def self.find(id)
+        results = DB.exec("SELECT * FROM jobs WHERE id=#{id};")
+        return Job.new(results.first)
+    end
+
+    def self.create(opts={})
+        results = DB.exec(
+            <<-SQL
+                INSERT INTO jobs (person_id, company_id)
+                VALUES ( #{opts["person_id"]}, #{opts["company_id"]} )
+                RETURNING id, person_id, company_id;
+            SQL
+        )
+        return Job.new(results.first)
+    end
+
+    def self.delete(id)
+        results = DB.exec("DELETE FROM jobs WHERE id=#{id};")
+        return { deleted: true }
+    end
+
+    def self.update(id, opts={})
+        results = DB.exec(
+            <<-SQL
+                UPDATE jobs
+                SET person_id=#{opts["person_id"]}, company_id=#{opts["company_id"]}
+                WHERE id=#{id}
+                RETURNING id, person_id, company_id;
+            SQL
+        )
+        return Job.new(results.first)
+    end
+end

config/routes.rb

@@ -21,4 +21,10 @@ Rails.application.routes.draw do
   post '/locations/:id/inhabitants', to: 'people#create'
   post '/people/:id/home', to: 'locations#create'
 
+  get '/jobs', to: 'jobs#index'
+  get '/jobs/:id', to: 'jobs#show'
+  post '/jobs', to: 'jobs#create'
+  delete '/jobs/:id', to: 'jobs#delete'
+  put '/jobs/:id', to: 'jobs#update'
+
 end