link tags from modlog

README.md

@@ -123,4 +123,4 @@ in a `config/initializers/production.rb` or similar file:
 #### Administration
 
 Basic moderation happens on-site, but most other administrative tasks require use of the rails console in production.
-Side administrators can create and edit tags at `/tags`.
+Administrators can create and edit tags at `/tags`.

app/models/moderation.rb

@@ -3,8 +3,9 @@ class Moderation < ApplicationRecord
              :class_name => "User",
              :foreign_key => "moderator_user_id",
              :inverse_of => :moderations
-  belongs_to :story
   belongs_to :comment
+  belongs_to :story
+  belongs_to :tag
   belongs_to :user
 
   after_create :send_message_to_moderated

app/models/tag.rb

@@ -60,6 +60,7 @@ class Tag < ApplicationRecord
                    self.changes.map {|f, c| "changed #{f} from '#{c[0]}' to '#{c[1]}'" } .join(', ')
       end
       m.moderator_user_id = @edit_user_id
+      m.tag = self
     end
   end
 end

app/views/moderations/index.html.erb

@@ -38,6 +38,8 @@
             <%= mod.comment.user.username %>
             on
             <%= mod.comment.story.title %></a>
+        <% elsif mod.tag %>
+          <%= link_to("Tag: #{mod.tag.tag}", mod.tag) %>
         <% elsif mod.user_id %>
           <% if mod.user %>
             <a href="/u/<%= mod.user.username %>">User

db/migrate/20180411131217_tag_moderation_log.rb

@@ -0,0 +1,5 @@
+class TagModerationLog < ActiveRecord::Migration[5.1]
+  def change
+    add_column :moderations, :tag_id, :integer, null: true, default: nil
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180201184612) do
+ActiveRecord::Schema.define(version: 20180411131217) do
 
   create_table "comments", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.datetime "created_at", null: false
@@ -112,6 +112,7 @@ ActiveRecord::Schema.define(version: 20180201184612) do
     t.text "action", limit: 16777215
     t.text "reason", limit: 16777215
     t.boolean "is_from_suggestions", default: false
+    t.integer "tag_id"
     t.index ["created_at"], name: "index_moderations_on_created_at"
   end
 

spec/controllers/tags_controller_spec.rb

@@ -39,9 +39,11 @@ describe TagsController do
       expect(tag.inactive).to be true
     end
 
-    it 'creates a moderation with the expected user_id' do
+    it 'creates a moderation with the expected tag_id and user_id' do
       post :create, params: { tag: { tag: 'mytag' } }
-      expect(Moderation.order(id: :desc).first.moderator_user_id).to eq user_id
+      mod = Moderation.order(id: :desc).first
+      expect(mod.tag_id).to eq Tag.order(id: :desc).first.id
+      expect(mod.moderator_user_id).to eq user_id
     end
   end