Added universal redirect on the index action

- Only controllers with show actions will redirect on the index action
- Parameter checking is individualized per controller for the redirect check

app/controllers/application_controller.rb

@@ -22,6 +22,28 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  private
+
+  def respond_with(*options, &block)
+    if params[:action] == "index" && is_redirect?(options[0])
+      redirect_to_show(options[0])
+    else
+      super(*options, &block)
+    end
+  end
+
+  def redirect_to_show(items)
+    redirect_to send("#{controller_path.singularize}_path", items.first, format: request.format.symbol)
+  end
+
+  def is_redirect?(items)
+    action_methods.include?("show") && params[:redirect].to_s.truthy? && items.one? && item_matches_params(items.first)
+  end
+
+  def item_matches_params(*)
+    true
+  end
+
   protected
 
   def enable_cors

app/controllers/artists_controller.rb

@@ -35,11 +35,7 @@ class ArtistsController < ApplicationController
     @artists = @artists.includes(:tag) if request.format.html?
     @artists = @artists.includes(:urls) if !request.format.html?
 
-    if params[:redirect].to_s.truthy? && @artists.one? && @artists.first.name == Artist.normalize_name(params[:search][:any_name_or_url_matches])
-      redirect_to @artists.first
-    else
-      respond_with @artists
-    end
+    respond_with(@artists)
   end
 
   def show
@@ -85,6 +81,14 @@ class ArtistsController < ApplicationController
 
   private
 
+  def item_matches_params(artist)
+    if params[:search][:any_name_or_url_matches]
+      artist.name == Artist.normalize_name(params[:search][:any_name_or_url_matches])
+    else
+      true
+    end
+  end
+
   def load_artist
     @artist = Artist.find(params[:id])
   end

app/controllers/pools_controller.rb

@@ -19,11 +19,7 @@ class PoolsController < ApplicationController
   def index
     @pools = Pool.includes(:creator).paginated_search(params, count_pages: true)
 
-    if params[:redirect].to_s.truthy? && @pools.one? && Pool.normalize_name_for_search(@pools.first.name) == Pool.normalize_name_for_search(params[:search][:name_matches])
-      redirect_to @pools.first
-    else
-      respond_with @pools
-    end
+    respond_with(@pools)
   end
 
   def gallery
@@ -94,6 +90,14 @@ class PoolsController < ApplicationController
 
   private
 
+  def item_matches_params(pool)
+    if params[:search][:name_matches]
+      Pool.normalize_name_for_search(pool.name) == Pool.normalize_name_for_search(params[:search][:name_matches])
+    else
+      true
+    end
+  end
+
   def pool_params
     permitted_params = %i[name description category post_ids post_ids_string]
     params.require(:pool).permit(*permitted_params, post_ids: [])

app/controllers/users_controller.rb

@@ -32,11 +32,7 @@ class UsersController < ApplicationController
     end
 
     @users = User.paginated_search(params)
-    if params[:redirect].to_s.truthy? && @users.one? && User.normalize_name(@users.first.name) == User.normalize_name(params[:search][:name_matches])
-      redirect_to @users.first
-    else
-      respond_with @users
-    end
+    respond_with(@users)
   end
 
   def search
@@ -98,6 +94,14 @@ class UsersController < ApplicationController
 
   private
 
+  def item_matches_params(user)
+    if params[:search][:name_matches]
+      User.normalize_name(user.name) == User.normalize_name(params[:search][:name_matches])
+    else
+      true
+    end
+  end
+
   def check_privilege(user)
     raise User::PrivilegeError unless user.id == CurrentUser.id || CurrentUser.is_admin?
   end

app/controllers/wiki_pages_controller.rb

@@ -17,11 +17,7 @@ class WikiPagesController < ApplicationController
   def index
     @wiki_pages = WikiPage.paginated_search(params)
 
-    if params[:redirect].to_s.truthy? && @wiki_pages.one? && @wiki_pages.first.title == WikiPage.normalize_title(params[:search][:title])
-      redirect_to @wiki_pages.first
-    else
-      respond_with(@wiki_pages)
-    end
+    respond_with(@wiki_pages)
   end
 
   def search
@@ -80,6 +76,14 @@ class WikiPagesController < ApplicationController
 
   private
 
+  def item_matches_params(wiki_page)
+    if params[:search][:title]
+      wiki_page.title == WikiPage.normalize_title(params[:search][:title])
+    else
+      true
+    end
+  end
+
   def normalize_search_params
     if params[:title]
       params[:search] ||= {}