implement hats

https://lobste.rs/s/bkeYe9/about_lobsters/comments/ZD2tL3#c_ZD2tL3

app/assets/stylesheets/application.css

@@ -70,6 +70,27 @@ a.tag_meta {
	border-color: #c8c8c8;
}

span.hat {
	border-bottom: 6px solid #bbb;
	border-radius: 4px;
	padding: 1px 8px;
}
span.hat span.crown {
	background-color: #ddd;
	border: 1px solid #eee;
	border-bottom: 0;
	border-radius: 5px 5px 0px 0px;
	font-size: 7.5pt;
	padding: 3px 5px 2px 5px;
	text-decoration: none;
	vertical-align: text-top;
}

span.hat span.crown, span.hat a {
	color: #777;
	text-decoration: none;
}

span.fakea {
	cursor: pointer;
	text-decoration: underline;

app/controllers/comments_controller.rb

@@ -17,6 +17,10 @@ def create
    comment.comment = params[:comment].to_s
    comment.user = @user

    if params[:hat_id] && @user.hats.where(:id => params[:hat_id])
      comment.hat_id = params[:hat_id]
    end

    if params[:parent_comment_short_id].present?
      if pc = Comment.where(:story_id => story.id, :short_id =>
      params[:parent_comment_short_id]).first
@@ -115,6 +119,10 @@ def update
    end

    comment.comment = params[:comment]
    comment.hat_id = nil
    if params[:hat_id] && @user.hats.where(:id => params[:hat_id])
      comment.hat_id = params[:hat_id]
    end

    if params[:preview].blank? && comment.save
      votes = Vote.comment_votes_by_user_for_comment_ids_hash(@user.id,

app/controllers/stories_controller.rb

@@ -127,8 +127,8 @@ def show

    @short_url = @story.short_id_url

    @comments = @story.merged_comments.includes(:user,
      :story).arrange_for_user(@user)
    @comments = @story.merged_comments.includes(:user, :story,
      :hat).arrange_for_user(@user)

    if params[:comment_short_id]
      @comments.each do |c,x|

app/models/comment.rb

@@ -8,6 +8,7 @@ class Comment < ActiveRecord::Base
    :class_name => "Comment"
  has_one :moderation,
    :class_name => "Moderation"
  belongs_to :hat

  attr_accessor :current_vote, :previewing, :indent_level, :highlighted

app/models/hat.rb

@@ -0,0 +1,29 @@
class Hat < ActiveRecord::Base
  belongs_to :user
  belongs_to :granted_by_user,
    :class_name => "User"

  validates :user, :presence => true
  validates :granted_by_user, :presence => true

  def to_html_label
    h = "<span class=\"hat\" title=\"Granted by " <<
      "#{self.granted_by_user.username} on " <<
      "#{self.created_at.strftime("%Y-%m-%d")}\">" <<
      "<span class=\"crown\">"

    if self.link.present?
      h << "<a href=\"#{self.link}\" target=\"_blank\">"
    end

    h << self.hat

    if self.link.present?
      h << "</a>"
    end

    h << "</span></span>"

    h.html_safe
  end
end

app/models/user.rb

@@ -27,6 +27,7 @@ class User < ActiveRecord::Base
    -> { where('votes.comment_id' => nil, 'votes.vote' => 1) },
    :through => :votes,
    :source => :story
  has_many :hats

  has_secure_password

app/views/comments/_comment.html.erb

@@ -27,19 +27,23 @@ class="comment <%= comment.current_vote ? (comment.current_vote[:vote] == 1 ?
      <% if defined?(was_merged) && was_merged %>
        <span class="merge"></span>
      <% end %>

      <a href="/u/<%= comment.user.username %>"
      <% if !comment.user.is_active? %>
        class="inactive_user"
      <% elsif comment.user.is_new? %>
        class="new_user"
      <% end %>
      ><%= comment.user.username %></a>

      <% if comment.hat %>
        <%= comment.hat.to_html_label %>
      <% end %>

      <% if comment.previewing %>
        <a><%= comment.user.username %></a>
        previewed
        just now
      <% else %>
        <a href="/u/<%= comment.user.username %>"
        <% if !comment.user.is_active? %>
          class="inactive_user"
        <% elsif comment.user.is_new? %>
          class="new_user"
        <% end %>
        ><%= comment.user.username %></a>

        <% if comment.has_been_edited? %>
          edited
        <% elsif comment.is_from_email? %>

app/views/comments/_commentbox.html.erb

@@ -43,6 +43,15 @@
          :type => "button" %>
      <% end %>

      <% if @user && @user.hats.any? %>
        <div style="display: inline-block; margin-left: 1em;">
        Put on hat:
        <%= select_tag "hat_id",
          options_from_collection_for_select(@user.hats, "id", "hat",
          comment.hat_id), :include_blank => true %>
        </div>
      <% end %>

      <div style="clear: both;"></div>

      <% if @user %>

app/views/users/show.html.erb

@@ -60,6 +60,16 @@
    <br>
  <% end %>

  <% if @showing_user.hats.any? %>
    <label class="required">Hats:</label>
    <span class="d">
    <% @showing_user.hats.each do |hat| %>
      <%= hat.to_html_label %>
    <% end %>
    </span>
    <br>
  <% end %>

  <% if @showing_user.deleted_at? %>
    <label class="required">Left:</label>
    <span class="d">

db/migrate/20141114184921_add_hats.rb

@@ -0,0 +1,13 @@
class AddHats < ActiveRecord::Migration
  def change
    create_table :hats do |t|
      t.timestamps
      t.integer :user_id
      t.integer :granted_by_user_id
      t.string :hat
      t.string :link
    end

    add_column :comments, :hat_id, :integer
  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: 20140901013149) do
ActiveRecord::Schema.define(version: 20141114184921) do

  create_table "comments", force: true do |t|
    t.datetime "created_at",                                                                    null: false
@@ -29,13 +29,23 @@
    t.boolean  "is_deleted",                                                    default: false
    t.boolean  "is_moderated",                                                  default: false
    t.boolean  "is_from_email",                                                 default: false
    t.integer  "hat_id"
  end

  add_index "comments", ["confidence"], name: "confidence_idx", using: :btree
  add_index "comments", ["short_id"], name: "short_id", unique: true, using: :btree
  add_index "comments", ["story_id", "short_id"], name: "story_id_short_id", using: :btree
  add_index "comments", ["thread_id"], name: "thread_id", using: :btree

  create_table "hats", force: true do |t|
    t.datetime "created_at"
    t.datetime "updated_at"
    t.integer  "user_id"
    t.integer  "granted_by_user_id"
    t.string   "hat"
    t.string   "link"
  end

  create_table "invitation_requests", force: true do |t|
    t.string   "code"
    t.boolean  "is_verified", default: false