app/controllers/diary_entry_controller.rb

   1 class DiaryEntryController < ApplicationController
   2   layout "site", :except => :rss
   3
   4   before_action :authorize_web
   5   before_action :set_locale
   6   before_action :require_user, :only => [:new, :edit, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
   7   before_action :lookup_this_user, :only => [:view, :comments]
   8   before_action :check_database_readable
   9   before_action :check_database_writable, :only => [:new, :edit, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
  10   before_action :require_administrator, :only => [:hide, :hidecomment]
  11   before_action :allow_thirdparty_images, :only => [:new, :edit, :list, :view, :comments]
  12
  13   def new
  14     @title = t "diary_entry.new.title"
  15
  16     if request.post?
  17       @diary_entry = DiaryEntry.new(entry_params)
  18       @diary_entry.user = current_user
  19
  20       if @diary_entry.save
  21         default_lang = current_user.preferences.where(:k => "diary.default_language").first
  22         if default_lang
  23           default_lang.v = @diary_entry.language_code
  24           default_lang.save!
  25         else
  26           current_user.preferences.create(:k => "diary.default_language", :v => @diary_entry.language_code)
  27         end
  28
  29         # Subscribe user to diary comments
  30         @diary_entry.subscriptions.create(:user => current_user)
  31
  32         redirect_to :action => "list", :display_name => current_user.display_name
  33       else
  34         render :action => "edit"
  35       end
  36     else
  37       default_lang = current_user.preferences.where(:k => "diary.default_language").first
  38       lang_code = default_lang ? default_lang.v : current_user.preferred_language
  39       @diary_entry = DiaryEntry.new(entry_params.merge(:language_code => lang_code))
  40       set_map_location
  41       render :action => "edit"
  42     end
  43   end
  44
  45   def edit
  46     @title = t "diary_entry.edit.title"
  47     @diary_entry = DiaryEntry.find(params[:id])
  48
  49     if current_user != @diary_entry.user
  50       redirect_to :action => "view", :id => params[:id]
  51     elsif params[:diary_entry] && @diary_entry.update_attributes(entry_params)
  52       redirect_to :action => "view", :id => params[:id]
  53     end
  54
  55     set_map_location
  56   rescue ActiveRecord::RecordNotFound
  57     render :action => "no_such_entry", :status => :not_found
  58   end
  59
  60   def comment
  61     @entry = DiaryEntry.find(params[:id])
  62     @diary_comment = @entry.comments.build(comment_params)
  63     @diary_comment.user = current_user
  64     if @diary_comment.save
  65
  66       # Notify current subscribers of the new comment
  67       @entry.subscribers.visible.each do |user|
  68         Notifier.diary_comment_notification(@diary_comment, user).deliver_now if current_user != user
  69       end
  70
  71       # Add the commenter to the subscribers if necessary
  72       @entry.subscriptions.create(:user => current_user) unless @entry.subscribers.exists?(current_user.id)
  73
  74       redirect_to :action => "view", :display_name => @entry.user.display_name, :id => @entry.id
  75     else
  76       render :action => "view"
  77     end
  78   rescue ActiveRecord::RecordNotFound
  79     render :action => "no_such_entry", :status => :not_found
  80   end
  81
  82   def subscribe
  83     diary_entry = DiaryEntry.find(params[:id])
  84
  85     diary_entry.subscriptions.create(:user => current_user) unless diary_entry.subscribers.exists?(current_user.id)
  86
  87     redirect_to :action => "view", :display_name => diary_entry.user.display_name, :id => diary_entry.id
  88   rescue ActiveRecord::RecordNotFound
  89     render :action => "no_such_entry", :status => :not_found
  90   end
  91
  92   def unsubscribe
  93     diary_entry = DiaryEntry.find(params[:id])
  94
  95     diary_entry.subscriptions.where(:user => current_user).delete_all if diary_entry.subscribers.exists?(current_user.id)
  96
  97     redirect_to :action => "view", :display_name => diary_entry.user.display_name, :id => diary_entry.id
  98   rescue ActiveRecord::RecordNotFound
  99     render :action => "no_such_entry", :status => :not_found
 100   end
 101
 102   def list
 103     if params[:display_name]
 104       @this_user = User.active.find_by(:display_name => params[:display_name])
 105
 106       if @this_user
 107         @title = t "diary_entry.list.user_title", :user => @this_user.display_name
 108         @entries = @this_user.diary_entries
 109       else
 110         render_unknown_user params[:display_name]
 111         return
 112       end
 113     elsif params[:friends]
 114       if current_user
 115         @title = t "diary_entry.list.title_friends"
 116         @entries = DiaryEntry.where(:user_id => current_user.friend_users)
 117       else
 118         require_user
 119         return
 120       end
 121     elsif params[:nearby]
 122       if current_user
 123         @title = t "diary_entry.list.title_nearby"
 124         @entries = DiaryEntry.where(:user_id => current_user.nearby)
 125       else
 126         require_user
 127         return
 128       end
 129     else
 130       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 131
 132       if params[:language]
 133         @title = t "diary_entry.list.in_language_title", :language => Language.find(params[:language]).english_name
 134         @entries = @entries.where(:language_code => params[:language])
 135       else
 136         @title = t "diary_entry.list.title"
 137       end
 138     end
 139
 140     @params = params.permit(:display_name, :friends, :nearby, :language)
 141
 142     @page = (params[:page] || 1).to_i
 143     @page_size = 20
 144
 145     @entries = @entries.visible
 146     @entries = @entries.order("created_at DESC")
 147     @entries = @entries.offset((@page - 1) * @page_size)
 148     @entries = @entries.limit(@page_size)
 149     @entries = @entries.includes(:user, :language)
 150   end
 151
 152   def rss
 153     if params[:display_name]
 154       user = User.active.find_by(:display_name => params[:display_name])
 155
 156       if user
 157         @entries = user.diary_entries
 158         @title = I18n.t("diary_entry.feed.user.title", :user => user.display_name)
 159         @description = I18n.t("diary_entry.feed.user.description", :user => user.display_name)
 160         @link = "http://#{SERVER_URL}/user/#{user.display_name}/diary"
 161       else
 162         head :not_found
 163         return
 164       end
 165     else
 166       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 167
 168       if params[:language]
 169         @entries = @entries.where(:language_code => params[:language])
 170         @title = I18n.t("diary_entry.feed.language.title", :language_name => Language.find(params[:language]).english_name)
 171         @description = I18n.t("diary_entry.feed.language.description", :language_name => Language.find(params[:language]).english_name)
 172         @link = "http://#{SERVER_URL}/diary/#{params[:language]}"
 173       else
 174         @title = I18n.t("diary_entry.feed.all.title")
 175         @description = I18n.t("diary_entry.feed.all.description")
 176         @link = "http://#{SERVER_URL}/diary"
 177       end
 178     end
 179
 180     @entries = @entries.visible.includes(:user).order("created_at DESC").limit(20)
 181   end
 182
 183   def view
 184     @entry = @this_user.diary_entries.visible.where(:id => params[:id]).first
 185     if @entry
 186       @title = t "diary_entry.view.title", :user => params[:display_name], :title => @entry.title
 187     else
 188       @title = t "diary_entry.no_such_entry.title", :id => params[:id]
 189       render :action => "no_such_entry", :status => :not_found
 190     end
 191   end
 192
 193   def hide
 194     entry = DiaryEntry.find(params[:id])
 195     entry.update_attributes(:visible => false)
 196     redirect_to :action => "list", :display_name => entry.user.display_name
 197   end
 198
 199   def hidecomment
 200     comment = DiaryComment.find(params[:comment])
 201     comment.update_attributes(:visible => false)
 202     redirect_to :action => "view", :display_name => comment.diary_entry.user.display_name, :id => comment.diary_entry.id
 203   end
 204
 205   def comments
 206     @comment_pages, @comments = paginate(:diary_comments,
 207                                          :conditions => {
 208                                            :user_id => @this_user,
 209                                            :visible => true
 210                                          },
 211                                          :order => "created_at DESC",
 212                                          :per_page => 20)
 213     @page = (params[:page] || 1).to_i
 214   end
 215
 216   private
 217
 218   ##
 219   # return permitted diary entry parameters
 220   def entry_params
 221     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
 222   rescue ActionController::ParameterMissing
 223     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
 224   end
 225
 226   ##
 227   # return permitted diary comment parameters
 228   def comment_params
 229     params.require(:diary_comment).permit(:body)
 230   end
 231
 232   ##
 233   # require that the user is a administrator, or fill out a helpful error message
 234   # and return them to the user page.
 235   def require_administrator
 236     unless current_user.administrator?
 237       flash[:error] = t("user.filter.not_an_administrator")
 238       redirect_to :action => "view"
 239     end
 240   end
 241
 242   ##
 243   # decide on a location for the diary entry map
 244   def set_map_location
 245     if @diary_entry.latitude && @diary_entry.longitude
 246       @lon = @diary_entry.longitude
 247       @lat = @diary_entry.latitude
 248       @zoom = 12
 249     elsif current_user.home_lat.nil? || current_user.home_lon.nil?
 250       @lon = params[:lon] || -0.1
 251       @lat = params[:lat] || 51.5
 252       @zoom = params[:zoom] || 4
 253     else
 254       @lon = current_user.home_lon
 255       @lat = current_user.home_lat
 256       @zoom = 12
 257     end
 258   end
 259 end