event deleting

app.rb

@@ -870,7 +870,7 @@ post '/event/:event_id/comment' do |event_id|
   content_type :json
   event = Event[id: event_id]
   event.add_site_comment current_site, params[:message]
-  {result: 'ok'}.to_json
+  {result: 'success'}.to_json
 end
 
 post '/event/:event_id/update_profile_comment' do |event_id|
@@ -880,7 +880,20 @@ post '/event/:event_id/update_profile_comment' do |event_id|
   return {result: 'error'}.to_json unless current_site.id == event.profile_comment.actioning_site_id
 
   event.profile_comment.update message: params[:message]
-  return {result: 'ok'}.to_json
+  return {result: 'success'}.to_json
+end
+
+post '/event/:event_id/delete' do |event_id|
+  require_login
+  content_type :json
+  event = Event[id: event_id]
+
+  if event.site_id == current_site.id || event.owned_by?(current_site)
+    event.delete
+    return {result: 'success'}.to_json
+  end
+
+  return {result: 'error'}.to_json
 end
 
 def require_admin

environment.rb

@@ -12,6 +12,8 @@ require 'zip'
 Bundler.require
 Bundler.require :development if ENV['RACK_ENV'] == 'development'
 
+Dir['./ext/**/*.rb'].each {|f| require f}
+
 if ENV['TRAVIS']
   $config = YAML.load_file File.join(DIR_ROOT, 'config.yml.travis')
 else
@@ -91,29 +93,3 @@ Sinatra::Application.set :erb, escape_html: true
 
 # Session fix for Internet Fucking Explorer https://github.com/rkh/rack-protection/issues/11
 Sinatra::Application.set :protection, except: :session_hijacking
-
-class Sinatra::Base
-  alias_method :render_original, :render
-  def render(engine, data, options = {}, locals = {}, &block)
-    options.merge!(pretty: self.class.development?) if engine == :slim && options[:pretty].nil?
-    render_original engine, data, options, locals, &block
-  end
-end
-
-class Numeric
-  def roundup(nearest=10)
-    self % nearest == 0 ? self : self + nearest - (self % nearest)
-  end
-
-  def rounddown(nearest=10)
-    self % nearest == 0 ? self : self - (self % nearest)
-  end
-end
-
-class Time
-  alias_method :ago_original, :ago
-
-  def ago
-   ago_original.downcase.gsub('right now, this very moment.', 'just now')
-  end
-end

ext/numeric.rb

@@ -0,0 +1,9 @@
+class Numeric
+  def roundup(nearest=10)
+    self % nearest == 0 ? self : self + nearest - (self % nearest)
+  end
+
+  def rounddown(nearest=10)
+    self % nearest == 0 ? self : self - (self % nearest)
+  end
+end

ext/sequel/paranoid_delete.rb

@@ -0,0 +1,32 @@
+module Sequel
+  module ParanoidDelete
+
+    def self.included(base)
+      base.extend(ClassMethods)
+    end
+
+    # Instead of actually deleting, we just set is_deleted to true,
+    # and look for it with our default dataset filter.
+    def delete
+      self.is_deleted = true
+      save :validate => false
+      true
+    end
+
+    module ClassMethods
+
+      # There's no hook for setting default filters after inheritance (that I'm aware of),
+      # so this adds the filter for the first time the class' dataset is accessed for the new model.
+      def dataset
+        if @_is_deleted_filter_set.nil?
+          @dataset.filter! is_deleted: false
+          @_is_deleted_filter_set = true
+        end
+        super
+      end
+
+    end
+  end
+
+  # Model.include ParanoidDelete
+end

ext/sinatra/base.rb

@@ -0,0 +1,7 @@
+class Sinatra::Base
+  alias_method :render_original, :render
+  def render(engine, data, options = {}, locals = {}, &block)
+    options.merge!(pretty: self.class.development?) if engine == :slim && options[:pretty].nil?
+    render_original engine, data, options, locals, &block
+  end
+end

ext/time.rb

@@ -0,0 +1,7 @@
+class Time
+  alias_method :ago_original, :ago
+
+  def ago
+   ago_original.downcase.gsub('right now, this very moment.', 'just now')
+  end
+end

migrations/024_add_paranoid_site_delete.rb

@@ -0,0 +1,9 @@
+Sequel.migration do
+  up {
+    DB.add_column :sites, :is_deleted, :boolean, default: false
+  }
+
+  down {
+    DB.drop_column :sites, :is_deleted
+  }
+end

migrations/025_add_event_paranoid_delete.rb

@@ -0,0 +1,9 @@
+Sequel.migration do
+  up {
+    DB.add_column :events, :is_deleted, :boolean, default: false
+  }
+
+  down {
+    DB.drop_column :events, :is_deleted
+  }
+end

models/event.rb

@@ -1,4 +1,6 @@
 class Event < Sequel::Model
+  include Sequel::ParanoidDelete
+
   many_to_one :site
   one_to_one  :follow
   one_to_one  :tip

models/site.rb

@@ -1,7 +1,8 @@
 require 'tilt'
 
 class Site < Sequel::Model
-  # We might need to include fonts in here..
+  include Sequel::ParanoidDelete
+  
   VALID_MIME_TYPES = %w{
     text/plain
     text/html

public/assets/scripts/news/event.js

@@ -0,0 +1,7 @@
+var Event = {
+  delete: function(eventId, csrfToken) {
+    $.post('/event/'+eventId+'/delete', {csrf_token: csrfToken}, function(res) {
+      location.reload()
+    })
+  }
+}

views/_news.erb

@@ -2,6 +2,7 @@
 <script src="/assets/scripts/news/like.js"></script>
 <script src="/assets/scripts/news/comment.js"></script>
 <script src="/assets/scripts/news/profile_comment.js"></script>
+<script src="/assets/scripts/news/event.js"></script>
 <% events.each do |event| %>
   <% if event.profile_comment_id %>
     <div class="news-item comment for-me" id="event_<%= event.id %>">

views/_news_actions.erb

@@ -16,6 +16,6 @@
     <% end %>
   <% end %>
   <% if event.created_by?(current_site) || event.site_id == current_site.id %>
-    <a href="#">Delete</a>
+    <a href="#" onclick="Event.delete(<%= event.id %>, '<%= csrf_token %>'); return false">Delete</a>
   <% end %>
 </div>