explore/posts/intro: remove page.

This was an alternate frontpage that contained a list of previews of the
most popular tags. This page was never linked from anywhere and it was
unknown by most users.

app/controllers/explore/posts_controller.rb

@@ -26,11 +26,6 @@ module Explore
       @search_service = MissedSearchService.new
     end
 
-    def intro
-      @presenter = IntroPresenter.new
-      render :layout => "blank"
-    end
-
     private
 
     def set_date

app/javascript/src/styles/specific/explore.scss

@@ -16,10 +16,4 @@ div#c-explore-posts {
     padding: 1em;
     margin-bottom: 2em;
   }
-
-  div#a-intro {
-    width: 870px;
-    margin: 0 auto;
-    text-align: center;
-  }
 }

app/logical/post_sets/intro.rb

@@ -1,15 +0,0 @@
-module PostSets
-  class Intro < PostSets::Post
-    def initialize(tags)
-      super(tags)
-    end
-
-    def posts
-      @posts ||= begin
-        temp = ::Post.tag_match("#{tag_string} favcount:>3").paginate(page, :search_count => nil, :limit => 5)
-        temp.each # hack to force rails to eager load
-        temp
-      end
-    end
-  end
-end

app/presenters/intro_presenter.rb

@@ -1,7 +0,0 @@
-class IntroPresenter
-  def each
-    PopularSearchService.new(Date.today).each_search(20) do |query, count|
-      yield(query, PostSets::Intro.new(query))
-    end
-  end
-end

app/views/explore/posts/intro.html.erb

@@ -1,30 +0,0 @@
-<div id="c-explore-posts">
-  <div id="a-intro">
-    <header>
-      <h1><%= link_to Danbooru.config.app_name, posts_path %></h1>
-      <p class="byline">Find good anime art fast</p>
-
-      <%= form_tag(posts_path, :method => :get) do %>
-        <%= text_field_tag "tags", "", :size => 50, :data => { :autocomplete => "tag-query" } %>
-        <%= submit_tag "Search" %>
-      <% end %>
-    </header>
-
-    <p style="text-align: center;">Type in your favorite anime, manga, or character (last name first). Here are some popular examples:</p>
-
-    <% cache("intro-page", :expires_in => 1.hour) do %>
-      <% @presenter.each do |tag, post_set| %>
-        <div class="posts">
-          <h2><%= link_to tag, posts_path(:tags => tag) %></h2>
-          <%= post_set.presenter.post_previews_html(self, show_cropped: true) %>
-        </div>
-      <% end %>
-    <% end %>
-  </div>
-</div> 
-
-<%= render "static/footer" %>
-
-<% content_for(:page_title) do %>
-  <%= Danbooru.config.app_name %>
-<% end %>

config/routes.rb

@@ -49,7 +49,6 @@ Rails.application.routes.draw do
         get :viewed
         get :searches
         get :missed_searches
-        get :intro
       end
     end
   end
@@ -400,8 +399,6 @@ Rails.application.routes.draw do
   get "/static/contact" => "static#contact", :as => "contact"
   get "/static/dtext_help" => "static#dtext_help", :as => "dtext_help"
 
-  get "/intro" => redirect("/explore/posts/intro")
-
   root :to => "posts#index"
 
   get "*other", :to => "static#not_found"

test/functional/explore/posts_controller_test.rb

@@ -30,13 +30,6 @@ module Explore
           assert_response :success
         end
       end
-
-      context "#intro" do
-        should "render" do
-          get intro_explore_posts_path
-          assert_response :success
-        end
-      end
     end
   end
 end

test/unit/post_sets/intro_test.rb

@@ -1,40 +0,0 @@
-require 'test_helper'
-
-module PostSets
-  class IntroTest < ActiveSupport::TestCase
-    context "In all cases" do
-      setup do
-        @user = FactoryBot.create(:user)
-        CurrentUser.user = @user
-        CurrentUser.ip_addr = "127.0.0.1"
-
-        @post_1 = FactoryBot.create(:post, :tag_string => "a")
-        @post_2 = FactoryBot.create(:post, :tag_string => "b")
-        @post_3 = FactoryBot.create(:post, :tag_string => "c")
-      end
-
-      teardown do
-        CurrentUser.user = nil
-        CurrentUser.ip_addr = nil
-      end
-
-      context "a set for the 'a' tag query" do
-        setup do
-          @post_4 = FactoryBot.create(:post, :tag_string => "a", :fav_count => 5)
-          @post_5 = FactoryBot.create(:post, :tag_string => "a", :fav_count => 5)
-        end
-
-        context "with no page" do
-          setup do
-            @set = PostSets::Intro.new("a")
-            ::Post.stubs(:records_per_page).returns(1)
-          end
-
-          should "return the first element" do
-            assert_equal(@post_5.id, @set.posts.first.id)
-          end
-        end
-      end
-    end
-  end
-end