add tag seq nav

app/assets/javascripts/posts.js

@@ -50,18 +50,26 @@
   }
   
   Danbooru.Post.nav_pool_prev = function() {
-    location.href = $("#pool-nav a.active[rel=prev]").attr("href");
+    if ($("#tag-seq-nav").length) {
+      location.href = $("#tag-seq-nav a[rel=prev]").attr("href");
+    } else {
+      location.href = $("#pool-nav a.active[rel=prev]").attr("href");
+    }
   }
   
   Danbooru.Post.nav_pool_next = function() {
-    location.href = $("#pool-nav a.active[rel=next]").attr("href");
+    if ($("#tag-seq-nav").length) {
+      location.href = $("#tag-seq-nav a[rel=next]").attr("href");
+    } else {
+      location.href = $("#pool-nav a.active[rel=next]").attr("href");
+    }
   }
   
   Danbooru.Post.nav_pool_scroll = function() {
     var scroll_top = $(window).scrollTop() + $(window).height();
     
     if (scroll_top > $("#image").height() + $("#image").offset().top + 100) {
-      location.href = $("#pool-nav a.active[rel=next]").attr("href");
+      Danbooru.Post.nav_pool_next();
       return;
     }
     
@@ -321,10 +329,10 @@
     if (width > 1000) {
       width = 1000;
     }
-    if (width < 400) {
+    if (width > 700) {
-      $("#pool-nav li").css("textAlign", "left");
+      width = 700
     }
-    $("#pool-nav").width(width);
+    $("#pool-nav,#tag-seq-nav").width(width);
   }
 })();
 

app/assets/stylesheets/specific/posts.css.scss

@@ -122,6 +122,13 @@ div#c-posts {
     }
   }
   
+  div.nav-notice {
+    padding: 1em;
+    margin-bottom: 1em;
+    background: #EEE;
+    border: 1px solid #AAA;
+  }
+  
   aside#sidebar #tag-list h2 {
     font-size: $h4_size;
   }
@@ -205,11 +212,11 @@ div#c-posts {
       float: right;
     }
     
-    .pool-name {
+    .pool-name, .tag-name {
       margin: 0 1em;
     }
     
-    #pool-nav {
+    #pool-nav, #tag-seq-nav {
       margin: 1em 0;
       
       li {

app/controllers/posts_controller.rb

@@ -27,6 +27,15 @@ class PostsController < ApplicationController
     respond_with(@post)
   end
   
+  def show_seq
+    context = PostSearchContext.new(params)
+    if context.post_id
+      redirect_to(post_path(context.post_id, :tags => params[:tags]))
+    else
+      redirect_to(post_path(params[:id], :tags => params[:tags]))
+    end
+  end
+  
   def update
     @post = Post.find(params[:id])
     @post.update_attributes(params[:post], :as => CurrentUser.role)

app/logical/post_search_context.rb

@@ -0,0 +1,25 @@
+class PostSearchContext
+  attr_reader :params, :post_id
+  
+  def initialize(params)
+    @params = params
+    raise unless params[:seq].present?
+    raise unless params[:id].present?
+    
+    @post_id = find_post_id
+  end
+  
+  def find_post_id
+    if params[:seq] == "prev"
+      post = Post.tag_match(params[:tags]).where("posts.id > ?", params[:id].to_i).reorder("posts.id asc").first
+    else
+      post = Post.tag_match(params[:tags]).where("posts.id < ?", params[:id].to_i).reorder("posts.id desc").first
+    end
+
+    if post
+      post.id
+    else
+      nil
+    end
+  end
+end

app/presenters/post_presenter.rb

@@ -16,7 +16,12 @@ class PostPresenter < Presenter
     path = options[:path_prefix] || "/posts"
     
     html =  %{<article class="post-preview" id="post_#{post.id}" data-id="#{post.id}" data-tags="#{h(post.tag_string)}" data-uploader="#{h(post.uploader_name)}" data-rating="#{post.rating}" data-width="#{post.image_width}" data-height="#{post.image_height}" data-flags="#{flags.join(' ')}" data-parent-id="#{post.parent_id}" data-has-children="#{post.has_children?}" data-score="#{post.score}">}
-    html << %{<a href="#{path}/#{post.id}">}
+    if options[:tags]
+      tag_param = "?tags=#{CGI::escape(options[:tags])}"
+    else
+      tag_param = nil
+    end
+    html << %{<a href="#{path}/#{post.id}#{tag_param}">}
     html << %{<img src="#{post.preview_file_url}" alt="#{h(post.tag_string)}">}
     html << %{</a>}
     html << %{</article>}

app/presenters/post_set_presenters/base.rb

@@ -12,7 +12,7 @@ module PostSetPresenters
       end
 
       posts.each do |post|
-        html << PostPresenter.preview(post)
+        html << PostPresenter.preview(post, :tags => template.params[:tags])
       end
 
       html.html_safe

app/views/posts/partials/show/_pools.html.erb

@@ -1,3 +1,3 @@
-<section id="pool-nav">
+<div id="pool-nav" class="ui-corner-all nav-notice">
   <%= @post.presenter.pool_html(self) %>
-</section>
+</div>

app/views/posts/partials/show/_tag_seq.html.erb

@@ -0,0 +1,9 @@
+<div id="tag-seq-nav" class="ui-corner-all nav-notice">
+  <ul>
+    <li>
+      <%= link_to "&laquo;prev".html_safe, show_seq_post_path(post, :tags => params[:tags], :seq => "prev"), :rel => "prev" %>
+      <span class="tag-name">Search: <%= params[:tags] %></span>
+      <%= link_to "next&raquo;".html_safe, show_seq_post_path(post, :tags => params[:tags], :seq => "next"), :rel => "next" %>
+    </li>
+  </ul>
+</div>

app/views/posts/show.html.erb

@@ -39,10 +39,14 @@
         <%= @post.presenter.image_html(self) %>
       </section>
 
+      <% if params[:tags] %>
+        <%= render "posts/partials/show/tag_seq", :post => @post %>
+      <% end %>
+
       <% if @post.pools.active.any? %>
         <%= render "posts/partials/show/pools", :post => @post %>
       <% end %>
-
+      
       <menu id="post-sections">
         <li><a href="#comments">Comments</a></li>
         <li><a href="#edit" id="post-edit-link">Edit</a></li>

config/routes.rb

@@ -134,6 +134,7 @@ Danbooru::Application.routes.draw do
     resources :votes, :controller => "post_votes", :only => [:create, :destroy]
     member do
       put :revert
+      get :show_seq
     end
   end
   resources :post_appeals, :only => [:new, :index, :create]