Send webmentions on post creation

app/jobs/send_webmention_job.rb

@@ -2,7 +2,7 @@ class SendWebmentionJob < ApplicationJob
   queue_as :default
 
   def perform(webmention)
-    @sender = WebmentionSender.new(webmention.source, webmention.target)
+    @sender = WebmentionSender.new(webmention.post.andand.full_url, webmention.target)
     @sender.send
 
     webmention.update(status: @sender.status)

app/models/post.rb

@@ -16,6 +16,7 @@ class Post < ApplicationRecord
   has_many :webmentions, dependent: :destroy
 
   before_validation :generate_slug
+  after_save :create_webmentions
   before_destroy :delete_post_from_silos
 
 
@@ -48,10 +49,19 @@ def slug_candidates
 
   def slug_already_exists?
     unless published_at.nil?
-      Post.where(published_at: published_at.all_day, slug: slug).exists?
+      existing_post = Post.where(published_at: published_at.all_day, slug: slug).first
+      existing_post.present? && existing_post.id != id
     end
   end
 
+  def links
+    URI.extract(content)
+  end
+
+  def full_url
+    Rails.application.routes.url_helpers.long_post_url(params)
+  end
+
   private
 
     def clean_slug!
@@ -82,4 +92,12 @@ def delete_post_from_silos
       "Delete post [#{id}]: Checking for syndicates to delete..."
       syndicates.each { |s| s.delete_post_from_silo }
     end
+
+    def create_webmentions
+      links.each do |link|
+        Webmention.where(post_id: id, target: link).first_or_initialize.tap do |wm|
+          wm.save
+        end
+      end
+    end
 end

app/models/webmention.rb

@@ -1,6 +1,8 @@
 class Webmention < ApplicationRecord
   belongs_to :post
-  validates_presence_of :target
+
+  validates :target, presence: true, uniqueness: { scope: :post_id }
+
   before_create :set_pending_status
   after_create :send_webmention
 

app/services/webmention_sender.rb

@@ -21,7 +21,9 @@ def success?
 
   def send
     return @status = "no_endpoint" if @endpoint.nil?
+    pp "endpoint found", @endpoint
     response = HTTParty.post(@endpoint, { body: {target: @target, source: @source }})
+    pp "response", response.code
     @status = "success" if response.code.between?(200, 299)
   end