mysql Databases how can I fix this? - mysql

Question

Hi Im trying to set up a database to store emails using ruby, sinatra, ActiveRecord, and mysql. Any suggestions on what im doing wrong? Im trying to output it to a seperate page that only i can see and then post it using a url on hostgator.
require 'sinatra'
require 'activerecord'
# require 'sinatra-activerecord'
get '/' do
erb :index
end
def save_email (email)
file.print(email)
end
get '/email' do
params[:email]
# # redirect '/'
end
post '/email' do
params[:email]
#email = params[:email]
erb :email, :locals => {:email => params[:email]}
end
# Change the following to reflect your database settings
ActiveRecord::Base.establish_connection(
adapter: 'mysql', # or 'postgresql'
host: 'localhost',
database: 'Stored_Emails',
)
class Stored_Emails < Sinatra::Application
end
class Stored_Emails < ActiveRecord::Base
end
ActiveRecord::Migration.create_table :email do |t|
t.string :emails
end
create_table :emails, force: true do |t|
t.string :email
t.belongs_to :email, index: true
end
get '/email' do
params[:email].all
end

Answer 1

Typically you break out your code into multiple files (we use folders named config, helpers, libraries, views, routes, models, migrations) and require them at the top of your app. However, if you want to put it in the same file and just use that and a Gemfile and Gemfile.lock that'll work too. Here's how it might look:
# Require your gems
require 'sinatra'
require 'activerecord'
# Libraries
# Models
class Stored_Emails < ActiveRecord::Base
end
# Configuration
# Change the following to reflect your database settings
ActiveRecord::Base.establish_connection(
adapter: 'mysql', # or 'postgresql'
host: 'localhost',
database: 'Stored_Emails'
)
ActiveRecord::Migration.create_table :email do |t|
t.string :emails
end
# Migrations
create_table :emails, force: true do |t|
t.string :email
end
# Helpers
def save_email (email)
file.print(email)
end
# Routes
get '/' do
# Load whatever you want to show in your index page into class variables
erb :index
end
get '/email' do
Stored_Emails.all.to_json
end
post '/email' do
#email = Stored_Emails.find_by(params[:email])
erb :email
end
Now you're going to have to do a good bit of work to get this running. Here's what I suggest you read:
1) Sinatra documentation - http://www.sinatrarb.com/intro.html
routes
running your sinatra app
views with ERB
2) Bundler documentation for gems - http://bundler.io/
3) ActiveRecord documentation - http://guides.rubyonrails.org/active_record_basics.html
Connecting to a database Creating your database with a migration -
this is a one time deal Querying the database
Good Luck!