Add a weekly Newsletter for the latest open Bounties #19

Gemfile

@@ -15,6 +15,8 @@ gem "pg", "~> 1.1"
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", "~> 5.0"
 
+gem 'whenever', require: false
+
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem "importmap-rails"
 
@@ -60,6 +62,8 @@ group :development do
   # Use console on exceptions pages [https://github.com/rails/web-console]
   gem "web-console"
 
+  gem "letter_opener"
+
   # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
   # gem "rack-mini-profiler"
 

Gemfile.lock

@@ -82,6 +82,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    chronic (0.10.2)
     concurrent-ruby (1.2.2)
     crass (1.0.6)
     date (3.3.3)
@@ -107,6 +108,10 @@ GEM
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
+    launchy (2.5.2)
+      addressable (~> 2.8)
+    letter_opener (1.8.1)
+      launchy (>= 2.2, < 3)
     loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -228,12 +233,15 @@ GEM
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    whenever (1.0.0)
+      chronic (>= 0.6.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
     zeitwerk (2.6.7)
 
 PLATFORMS
   arm64-darwin-21
+  x86_64-darwin-19
   x86_64-darwin-22
   x86_64-linux
 
@@ -245,6 +253,7 @@ DEPENDENCIES
   image_processing (~> 1.2)
   importmap-rails
   jbuilder
+  letter_opener
   name_of_person (~> 1.1)
   pagy (~> 6.0)
   pg (~> 1.1)
@@ -259,6 +268,7 @@ DEPENDENCIES
   tzinfo-data
   web-console
   webdrivers
+  whenever
 
 RUBY VERSION
    ruby 3.2.1p31

app/mailers/application_mailer.rb

@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: "from@example.com"
+  default from: "no-reply@beginnerbounties.com"
   layout "mailer"
 end

app/mailers/bounty_mailer.rb

@@ -0,0 +1,7 @@
+class BountyMailer < ApplicationMailer
+  def open_bounty
+    @user = params[:user]
+    @bounties = params[:bounties]
+    mail(to: @user.email, subject: "Here are the latest open bounties")
+  end
+end

app/models/bounty.rb

@@ -5,6 +5,7 @@ class Bounty < ApplicationRecord
   has_rich_text :description
 
   scope :sorted, -> { in_order_of(:status, STATUSES).order(created_at: :desc) }
+  scope :open, -> { where(status: "open") }
 
   validates :amount, presence: true, numericality: {greater_than: 0, only_integer: true}
   validates :description, presence: true

app/views/bounty_mailer/open_bounty.html.erb

@@ -0,0 +1,6 @@
+<p><strong>The open bounties for this week:</strong></p>
+  <% @bounties.each do |bounty| %>
+    <h3><%= bounty.title %></h3>
+    <p>Amount: <%= bounty.amount %>$</p>
+    <p><%= link_to "View the source code", bounty.url %></p>
+  <% end %>

config/environments/development.rb

@@ -39,7 +39,13 @@
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
 
+
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.default_url_options = { host: 'localhost', port: 3000}
   config.action_mailer.perform_caching = false
+  config.action_mailer.perform_deliveries = true
+
+  #config.action_mailer.default_options = {from: '[email protected]'}
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log

config/schedule.rb

@@ -0,0 +1,3 @@
+every :sunday, at: '17:00 pm' do
+  rake "send_bounty_email"
+end

lib/tasks/bounty_tasks.rake

@@ -0,0 +1,10 @@
+desc 'send open bounties email'
+task send_bounty_email: :environment do
+  @bounties = Bounty.open.last(15)
+  if @bounties.any?
+    @users = User.all
+    @users.each do |user|
+      BountyMailer.with(user: user, bounties: @bounties).open_bounty.deliver_later
+    end
+  end
+end

test/fixtures/bounties.yml

@@ -1,15 +1,13 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
-
 one:
   user: one
-  title: MyString
-  url: MyString
-  amount: MyString
-  status: MyString
+  title: First Bounty
+  url: http://www.google.com/
+  amount: 10
+  status: open
 
 two:
-  user: two
-  title: MyString
-  url: MyString
-  amount: MyString
-  status: MyString
+  user: one
+  title: Second Bounty
+  url: http://www.firefox.com/
+  amount: 32
+  status: assigned

test/fixtures/users.yml

@@ -1,11 +1,11 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+one:
+  email: [email protected]
+  first_name: first
+  last_name: Last
+  encrypted_password: foobar
 
-# This model initially had no columns defined. If you add columns to the
-# model remove the "{}" from the fixture names and add the columns immediately
-# below each fixture, per the syntax in the comments below
-#
-one: {}
-# column: value
-#
-two: {}
-# column: value
+two: 
+  email: [email protected]
+  first_name: second
+  last_name: Doe
+  encrypted_password: foo

test/mailers/bounty_mailer_test.rb

@@ -0,0 +1,17 @@
+require "test_helper"
+
+class BountyMailerTest < ActionMailer::TestCase
+  def setup
+    @user = users(:one)
+    @bounties = [bounties(:one)]
+  end
+
+  test "bounty email" do
+    mail = BountyMailer.with(user: @user, bounties: @bounties).open_bounty
+    assert_equal "[email protected]", @user.email
+    assert_equal "Here are the latest open bounties", mail.subject
+    assert_equal ["[email protected]"], mail.to  
+    assert_equal ["[email protected]"], mail.from
+    assert_match bounties.first.title, mail.body.encoded
+  end
+end

test/mailers/previews/bounty_mailer_preview.rb

@@ -0,0 +1,7 @@
+# Preview all emails at http://localhost:3000/rails/mailers/bounty_mailer
+class BountyMailerPreview < ActionMailer::Preview
+  def open_bounty
+    BountyMailer.with(user: User.first,
+                      bounties: Bounty.where(status: "open").last(15)).open_bounty
+  end
+end