fix link to index page for custom domains

app/helpers/application_helper.rb

@@ -3,10 +3,18 @@ def customized_emoji(user)
     user.favicon.present? ? user.favicon : "https://emojipedia-us.s3.dualstack.us-west-1.amazonaws.com/thumbs/240/apple/155/writing-hand_270d.png"
   end
 
+  def post_pathy(post)
+    custom_domain? ? "/#{post.slug}" : "/#{post.user.username}/#{post.slug}"
+  end
+
   def editable?(user)
     current_user && current_user == user
   end
 
+  def custom_domain?
+    request.host.present? && request.host != "localhost" && request.host != "youdontneedwp.com" && request.host != "www.youdontneedwp.com"
+  end
+
   def set_home_meta_tags
     set_meta_tags(
       title: "You Don't Need WordPress: Create A Blog With Google Docs",

app/views/i/posts/_bio.html.haml

@@ -1,6 +1,8 @@
+- home = custom_domain? ? "/" : "/#{user.username}"
+
 .index-bio
   .index-bio__left
-    = link_to "/#{user.username}" do
+    = link_to home do
       - if user.avatar.present?
         = image_tag(user.avatar.url)
       - else
@@ -12,7 +14,7 @@
         = fa_icon "twitter"
   .index-bio__right
     .name
-      = link_to user.name, "/#{user.username}"
+      = link_to user.name, home
     .bio= user.bio
     - if editable?(user)
       .edit= link_to("edit bio", profile_path)

app/views/i/posts/index.html.haml

@@ -27,7 +27,7 @@
               = post.published&.strftime("%B #{post.published&.day&.ordinalize}, %Y")
             - if post.meta.exists?
               .post-meta{ style: "background-image: url(#{post.meta.url})"}
-            = link_to(post.title, "/#{@user.username}/#{post.slug}")
+            = link_to(post.title, post_pathy(post))
           - if editable?(@user)
             .post-bottom
               = link_to "Edit Post", edit_post_path(post.id)

db/migrate/20190103102215_custom_domain.rb

@@ -0,0 +1,5 @@
+class CustomDomain < ActiveRecord::Migration[5.2]
+  def change
+    add_column :users, :custom_domain, :string
+  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: 2018_12_24_051544) do
+ActiveRecord::Schema.define(version: 2019_01_03_102215) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -64,6 +64,7 @@
     t.string "avatar_content_type"
     t.integer "avatar_file_size"
     t.datetime "avatar_updated_at"
+    t.string "custom_domain"
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end