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         if current_user != user
  69           Notifier.diary_comment_notification(@diary_comment, user).deliver_now
  70         end
  71       end
  72
  73       # Add the commenter to the subscribers if necessary
  74       @entry.subscriptions.create(:user => current_user) unless @entry.subscribers.exists?(current_user.id)
  75
  76       redirect_to :action => "view", :display_name => @entry.user.display_name, :id => @entry.id
  77     else
  78       render :action => "view"
  79     end
  80   rescue ActiveRecord::RecordNotFound
  81     render :action => "no_such_entry", :status => :not_found
  82   end
  83
  84   def subscribe
  85     diary_entry = DiaryEntry.find(params[:id])
  86
  87     diary_entry.subscriptions.create(:user => current_user) unless diary_entry.subscribers.exists?(current_user.id)
  88
  89     redirect_to :action => "view", :display_name => diary_entry.user.display_name, :id => diary_entry.id
  90   rescue ActiveRecord::RecordNotFound
  91     render :action => "no_such_entry", :status => :not_found
  92   end
  93
  94   def unsubscribe
  95     diary_entry = DiaryEntry.find(params[:id])
  96
  97     diary_entry.subscriptions.where(:user => current_user).delete_all if diary_entry.subscribers.exists?(current_user.id)
  98
  99     redirect_to :action => "view", :display_name => diary_entry.user.display_name, :id => diary_entry.id
 100   rescue ActiveRecord::RecordNotFound
 101     render :action => "no_such_entry", :status => :not_found
 102   end
 103
 104   def list
 105     if params[:display_name]
 106       @this_user = User.active.find_by(:display_name => params[:display_name])
 107
 108       if @this_user
 109         @title = t "diary_entry.list.user_title", :user => @this_user.display_name
 110         @entries = @this_user.diary_entries
 111       else
 112         render_unknown_user params[:display_name]
 113         return
 114       end
 115     elsif params[:friends]
 116       if current_user
 117         @title = t "diary_entry.list.title_friends"
 118         @entries = DiaryEntry.where(:user_id => current_user.friend_users)
 119       else
 120         require_user
 121         return
 122       end
 123     elsif params[:nearby]
 124       if current_user
 125         @title = t "diary_entry.list.title_nearby"
 126         @entries = DiaryEntry.where(:user_id => current_user.nearby)
 127       else
 128         require_user
 129         return
 130       end
 131     else
 132       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 133
 134       if params[:language]
 135         @title = t "diary_entry.list.in_language_title", :language => Language.find(params[:language]).english_name
 136         @entries = @entries.where(:language_code => params[:language])
 137       else
 138         @title = t "diary_entry.list.title"
 139       end
 140     end
 141
 142     @params = params.permit(:display_name, :friends, :nearby, :language)
 143
 144     @page = (params[:page] || 1).to_i
 145     @page_size = 20
 146
 147     @entries = @entries.visible
 148     @entries = @entries.order("created_at DESC")
 149     @entries = @entries.offset((@page - 1) * @page_size)
 150     @entries = @entries.limit(@page_size)
 151     @entries = @entries.includes(:user, :language)
 152   end
 153
 154   def rss
 155     if params[:display_name]
 156       user = User.active.find_by(:display_name => params[:display_name])
 157
 158       if user
 159         @entries = user.diary_entries
 160         @title = I18n.t("diary_entry.feed.user.title", :user => user.display_name)
 161         @description = I18n.t("diary_entry.feed.user.description", :user => user.display_name)
 162         @link = "http://#{SERVER_URL}/user/#{user.display_name}/diary"
 163       else
 164         head :not_found
 165         return
 166       end
 167     else
 168       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 169
 170       if params[:language]
 171         @entries = @entries.where(:language_code => params[:language])
 172         @title = I18n.t("diary_entry.feed.language.title", :language_name => Language.find(params[:language]).english_name)
 173         @description = I18n.t("diary_entry.feed.language.description", :language_name => Language.find(params[:language]).english_name)
 174         @link = "http://#{SERVER_URL}/diary/#{params[:language]}"
 175       else
 176         @title = I18n.t("diary_entry.feed.all.title")
 177         @description = I18n.t("diary_entry.feed.all.description")
 178         @link = "http://#{SERVER_URL}/diary"
 179       end
 180     end
 181
 182     @entries = @entries.visible.includes(:user).order("created_at DESC").limit(20)
 183   end
 184
 185   def view
 186     @entry = @this_user.diary_entries.visible.where(:id => params[:id]).first
 187     if @entry
 188       @title = t "diary_entry.view.title", :user => params[:display_name], :title => @entry.title
 189     else
 190       @title = t "diary_entry.no_such_entry.title", :id => params[:id]
 191       render :action => "no_such_entry", :status => :not_found
 192     end
 193   end
 194
 195   def hide
 196     entry = DiaryEntry.find(params[:id])
 197     entry.update_attributes(:visible => false)
 198     redirect_to :action => "list", :display_name => entry.user.display_name
 199   end
 200
 201   def hidecomment
 202     comment = DiaryComment.find(params[:comment])
 203     comment.update_attributes(:visible => false)
 204     redirect_to :action => "view", :display_name => comment.diary_entry.user.display_name, :id => comment.diary_entry.id
 205   end
 206
 207   def comments
 208     @comment_pages, @comments = paginate(:diary_comments,
 209                                          :conditions => {
 210                                            :user_id => @this_user,
 211                                            :visible => true
 212                                          },
 213                                          :order => "created_at DESC",
 214                                          :per_page => 20)
 215     @page = (params[:page] || 1).to_i
 216   end
 217
 218   private
 219
 220   ##
 221   # return permitted diary entry parameters
 222   def entry_params
 223     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
 224   rescue ActionController::ParameterMissing
 225     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
 226   end
 227
 228   ##
 229   # return permitted diary comment parameters
 230   def comment_params
 231     params.require(:diary_comment).permit(:body)
 232   end
 233
 234   ##
 235   # require that the user is a administrator, or fill out a helpful error message
 236   # and return them to the user page.
 237   def require_administrator
 238     unless current_user.administrator?
 239       flash[:error] = t("user.filter.not_an_administrator")
 240       redirect_to :action => "view"
 241     end
 242   end
 243
 244   ##
 245   # decide on a location for the diary entry map
 246   def set_map_location
 247     if @diary_entry.latitude && @diary_entry.longitude
 248       @lon = @diary_entry.longitude
 249       @lat = @diary_entry.latitude
 250       @zoom = 12
 251     elsif current_user.home_lat.nil? || current_user.home_lon.nil?
 252       @lon = params[:lon] || -0.1
 253       @lat = params[:lat] || 51.5
 254       @zoom = params[:zoom] || 4
 255     else
 256       @lon = current_user.home_lon
 257       @lat = current_user.home_lat
 258       @zoom = 12
 259     end
 260   end
 261 end