feat(downloads): add text downloads

app/controllers/stories/downloads_controller.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+class Stories::DownloadsController < ApplicationController
+  MIME_TYPES = {
+    text: 'text/plain',
+    html: 'text/html',
+    epub: 'application/x-epub'
+  }.freeze
+
+  def show
+    @story = Story.find(params[:story_id])
+
+    format = MIME_TYPES.keys.detect { |fmt| fmt.to_s == params[:fmt] } || :text
+    renderer = StoryRenderer.new @story
+
+    render inline: renderer.send(format), content_type: MIME_TYPES[format], content_disposition: 'attachment'
+  end
+end

app/lib/story_renderer.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+require 'redcarpet/render_strip'
+
+class StoryRenderer
+  def initialize(story)
+    @story = story
+  end
+
+  def text
+    markdown = Redcarpet::Markdown.new(Redcarpet::Render::StripDown)
+    separator = '//-------------------------------------------------------//'
+
+    # Title and author
+    text = "#{separator}\n".dup
+    text += "#{@story.title.center(separator.length, ' ')}\n"
+    text += "#{"-by #{@story.author.name}-".center(separator.length, ' ')}\n"
+    text += "#{separator}\n"
+
+    # Chapters
+    @story.chapters.each do |chapter|
+      text += "#{separator}\n"
+      text += "#{chapter.title.center(separator.length, ' ')}\n"
+      text += "#{separator}\n"
+      text += "#{markdown.render chapter.body}\n" # FIXME: My Markdown still has the title at the top for no reason.
+    end
+
+    text
+  end
+
+  def html
+  end
+
+  def epub
+  end
+end

app/views/stories/_card.html.slim

@@ -14,8 +14,7 @@ section.fic-cell
       span.popular
         span.stats
           - if story.rating
-              span.likes
-                | Rating: #{story.rating}%
+            span.likes Rating: #{story.rating}%
     - if story.short_description
       p.description= story.short_description
     - else

app/views/stories/show.html.slim

@@ -40,6 +40,9 @@ div.story
           span.cached
         .dl-links
           span Download:
+          = link_to story_download_path(@story, fmt: 'txt') do
+            img src="/img/icons/txt32.png" alt="text" title="Download condensed text format"
+
       .chapterlist
         h3= pluralize(@chapters.count, 'Chapter') + ':'
         ol

config/routes.rb

@@ -11,6 +11,9 @@ Rails.application.routes.draw do
   # using singular-named routes to match FiMFetch/FiMFiction.
   resources :stories, only: [:show], path: :story do
     resources :chapters, only: [:show], path: :chapter
+    scope module: :stories do
+      resource :download, only: :show
+    end
   end
 
   # Different route name again to match FiMFetch