add story cache showing for manually-specified unavailable stories

app/assets/stylesheets/application.css

@@ -619,17 +619,28 @@ div.story_text img {
 	max-width: 100%;
 }
 
+div#collapsed_story_text {
+	display: none;
+}
+a#story_text_expander {
+	display: block;
+}
+
 div.comment_text {
 	max-width: 700px;
 }
 
 div.comment_text blockquote,
-div.markdown_help blockquote {
+div.markdown_help blockquote,
+div.story_text blockquote {
 	font-style: italic;
 	margin: 0.25em 0 0 0.5em;
 	padding: 0 0 0 1em;
 	border-left: 2px solid gray;
 }
+div#collapsed_story_text div.story_text blockquote {
+	font-style: normal;
+}
 div.comment_text pre,
 div.markdown_help pre {
 	margin-left: 1em;

app/controllers/stories_controller.rb

@@ -257,13 +257,13 @@ private
   def story_params
     p = params.require(:story).permit(
       :title, :url, :description, :moderation_reason, :seen_previous,
-      :merge_story_short_id, :tags_a => [],
+      :merge_story_short_id, :is_unavailable, :tags_a => [],
     )
 
     if @user.is_moderator?
       p
     else
-      p.except(:moderation_reason, :merge_story_short_id)
+      p.except(:moderation_reason, :merge_story_short_id, :is_unavailable)
     end
   end
 

app/indices/story_index.rb

@@ -5,6 +5,7 @@ ThinkingSphinx::Index.define :story, :with => :active_record do
   indexes title
   indexes url
   indexes user.username, :as => :author
+  indexes story_cache
 
   has created_at, :sortable => true
   has hotness, is_expired
@@ -15,6 +16,7 @@ ThinkingSphinx::Index.define :story, :with => :active_record do
   set_property :field_weights => {
     :upvotes => 15,
     :title => 10,
+    :story_cache => 10,
     :tags => 5,
   }
 

app/models/story.rb

@@ -295,6 +295,14 @@ class Story < ActiveRecord::Base
     self.created_at >= RECENT_DAYS.days.ago
   end
 
+  def is_unavailable
+    self.unavailable_at != nil
+  end
+  def is_unavailable=(what)
+    self.unavailable_at = (what.to_i == 1 && !self.is_unavailable ?
+      Time.now : nil)
+  end
+
   def is_undeletable_by_user?(user)
     if user && user.is_moderator?
       return true
@@ -311,6 +319,11 @@ class Story < ActiveRecord::Base
     end
 
     all_changes = self.changes.merge(self.tagging_changes)
+    all_changes.delete("unavailable_at")
+
+    if !all_changes.any?
+      return
+    end
 
     m = Moderation.new
     m.moderator_user_id = self.editor.try(:id)
@@ -441,6 +454,14 @@ class Story < ActiveRecord::Base
     self.short_id
   end
 
+  def update_availability
+    if self.is_unavailable && !self.unavailable_at
+      self.unavailable_at = Time.now
+    elsif self.unavailable_at && !self.is_unavailable
+      self.unavailable_at = nil
+    end
+  end
+
   def update_comments_count!
     comments = self.merged_comments.arrange_for_user(nil)
 

app/views/stories/edit.html.erb

@@ -17,6 +17,13 @@
             :placeholder => "Short id of story into which this story " <<
             "be merged" %>
         </div>
+        <div class="boxline">
+          <%= f.label :unavailable_at, "Unavailable:",
+            :class => "required" %>
+          <%= f.check_box :is_unavailable %>
+          <%= f.label :unavailable_at, "Source URL is unavailable, " <<
+            "enable display of cached text", :class => "normal" %>
+        </div>
         <% if @story.user_id != @user.id %>
           <div class="boxline">
             <%= f.label :moderation_reason, "Mod Reason:",

app/views/stories/show.html.erb

@@ -9,6 +9,31 @@
       <%= raw @story.markeddown_description %>
     </div>
   <% end %>
+
+  <% if @story.is_unavailable && @story.story_cache.present? %>
+    <a id="story_text_expander">Source URL considered unavailable as of <%=
+    time_ago_in_words_label(@story.unavailable_at) %> ago, cached text
+    available</a>
+    <div id="collapsed_story_text">
+      <p>
+      <em>All story content copyright of its respective owner.</em>
+      </p>
+
+      <div class="story_text">
+        <blockquote>
+          <%= simple_format(@story.story_cache) %>
+        </blockquote>
+      </div>
+    </div>
+
+    <script>
+      document.getElementById("story_text_expander").addEventListener("click",
+        function() {
+          document.getElementById("collapsed_story_text").style.display = "block";
+          return false;
+        });
+    </script>
+  <% end %>
 </div>
 
 <% if !@story.previewing %>

db/migrate/20150106195555_add_story_unavailable.rb

@@ -0,0 +1,5 @@
+class AddStoryUnavailable < ActiveRecord::Migration
+  def change
+    add_column :stories, :unavailable_at, :datetime
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141114184921) do
+ActiveRecord::Schema.define(version: 20150106195555) do
 
   create_table "comments", force: true do |t|
     t.datetime "created_at",                                                                    null: false
@@ -114,6 +114,7 @@ ActiveRecord::Schema.define(version: 20141114184921) do
     t.text     "story_cache",            limit: 16777215
     t.integer  "comments_count",                                                    default: 0,   null: false
     t.integer  "merged_story_id"
+    t.datetime "unavailable_at"
   end
 
   add_index "stories", ["hotness"], name: "hotness_idx", using: :btree