Finals Guide

Create a new app; gitignore; commit
```
cp ../helps/.gitignore .
```
Create vendor scaffold; migrate; adjust index and edit; seeds.1.rb; faker; remove new vendor link on index; commit
```
cp ../helps/seeds.1.rb db/seeds.rb 
```

Add search by keywords feature; controller; model; partial view; add highlights; commit

<form method="get">
  <input name="keywords" value="<%= params[:keywords] %>" placeholder="keywo
  <button>Search</button>
</form>

Create school resource; nest routes; root route; add school_id to vendors; seeds.2.rb; adjust school index; redirect on show; adjust vendor controller to load @school and load vendors from @school; adjust vendor index/show/edit links; commit
```
rails g migration add_school_id_to_vendor school_id:integer:index
```
```
cp ../helps/seeds.2.rb db/seeds.rb 
```
```
@school = School.find(params[:school_id]) if params[:school_id] 
```
Add comment feature via scaffold; add association to vendor and comment; add index and form to vendor show; redirect create comment to vendor; hide vendor_id on form; commit
```
<%= render "comments/form", comment: @vendor.comments.new %>
```

Style page to add water.css; remove scaffold.css.scss; commit

<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kognise/water.css@latest/dist/light.min.css">

Clean up controllers; remove unnecessary actions; remove unnecessary formats; commit
Add pagination via pagy gem; include Pagy::Backend to vendors controller and Pagy::Frontend to application helper; load @pagy on vendors index action; set items to 5; update vendors index view; commit
```
@pagy, @vendors = pagy(@vendors, items: 5)
```
```
<%== pagy_info @pagy %>
<%== pagy_nav @pagy %>
```

Add geosearch via geocoder; add config; add redis gem; update geocoder initializer with redis cache; add long lat to vendor model; add yaml_db gem; load data with long lat; update vendors controller with geo search via near; add location field on search box; commit

rails generate geocoder:config

cache: Rails.env.production?? nil: Redis.new,

rails g migration add_long_lat_to_vendors longitude:float latitude:float

rm db/seeds.rb

rake db:reset

cp ../helps/data.yml db/data.yml

rake db:data:load

<input name="location" value="<%= params[:location] %>" placeholder="locat

Add authentication via devise; setup config; update development.rb; generate user; add login links on top of page via application.html with a partial in app/views/application dir; separate flash messages into a partial in same dir; remove doubled flash messages from scaffold views; commit

rails generate devise:install

config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

rails generate devise user

<%= render "login" %>

<% if user_signed_in? %>
  <%= link_to "Sign out", destroy_user_session_path, method: :delete %>
  <%= current_user.email %>
else %>
  <%= link_to "Home", root_path %> |
  <%= link_to "Sign in", new_user_session_path %>
  <%= link_to "Sign up", new_user_registration_path %>
<% end %>

<%= render "messages" %>

<% flash.each do |type, msg| %>
  <p><%= msg %></p>
<% end %>

Add claim vendor feature; add user_id to vendor and add association on model; add claim action on vendor controller; add claim action on routes; add claim button; commit

def claim
  if @vendor.update(user: current_user)
    redirect_to @vendor, notice: 'Vendor was successfully claimed.'
  else
    render :show
  end
end

resources :vendors do
  get :claim, on: :member
end

<%= link_to 'Claim', claim_vendor_path(@vendor) if user_signed_in? %> |

Add authorization via cancancan; generate ability class; add permission rules to allow reading everything by everyone except vendor edit--only allowed by user who owns vendor; update vendors controller to use load_and_authorize_resource; commit
```
rails g cancan:ability
```
```
rescue_from CanCan::AccessDenied do |exception|
  redirect_to root_url, :alert => exception.message
end
```

Add mail to vendor on comment create; use letter_opener gem for mailbox for all environments (not for development env only!); add action_mailer configuration in config/environments/development.rb; add route for mailbox to view email; commit

def notify_vendor(vendor)
  @vendor = vendor
  mail to: @vendor.email, subject: "You received a comment!"
end

CommentsMailer.notify_vendor(@comment.vendor).deliver_now

gem 'letter_opener_web'

config.action_mailer.delivery_method = :letter_opener_web
config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

mount LetterOpenerWeb::Engine, at: "/mailbox"

Add icons via fontawesome; update vendor likes to icons; commit

<script src="https://kit.fontawesome.com/0d41050561.js"></script>

<i class="fa fa-heart"></i>
<i class="fa fa-heart-broken"></i>

Deploy to Heroku; setup production for letter_opener; add action_mailer configuration in config/environments/production.rb; create a new app on heroku (delete the old app); setup heroku remote; enable metadata on heroku (see instructions below for labs:enable); run data load

config.action_mailer.delivery_method = :letter_opener_web
config.action_mailer.default_url_options = { host: "#{ENV['HEROKU_APP_NAME']}.herokuapp.com" }

heroku git:remote -a [name-of-your-heroku-app]

git push heroku master

heroku run rake db:reset

heroku run rake db:data:load

heroku labs:enable runtime-dyno-metadata -a [name-of-your-heroku-app]

dylee / finals-helps

Finals Guide

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