app/controllers/diary_entries_controller.rb

   1 class DiaryEntriesController < ApplicationController
   2   layout "site", :except => :rss
   3
   4   before_action :authorize_web
   5   before_action :set_locale
   6   before_action :check_database_readable
   7
   8   authorize_resource
   9
  10   before_action :lookup_user, :only => [:show, :comments]
  11   before_action :check_database_writable, :only => [:new, :create, :edit, :update, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
  12   before_action :allow_thirdparty_images, :only => [:new, :create, :edit, :update, :index, :show, :comments]
  13
  14   def new
  15     @title = t "diary_entries.new.title"
  16
  17     default_lang = current_user.preferences.where(:k => "diary.default_language").first
  18     lang_code = default_lang ? default_lang.v : current_user.preferred_language
  19     @diary_entry = DiaryEntry.new(entry_params.merge(:language_code => lang_code))
  20     set_map_location
  21     render :action => "new"
  22   end
  23
  24   def create
  25     @title = t "diary_entries.new.title"
  26
  27     @diary_entry = DiaryEntry.new(entry_params)
  28     @diary_entry.user = current_user
  29
  30     if @diary_entry.save
  31       default_lang = current_user.preferences.where(:k => "diary.default_language").first
  32       if default_lang
  33         default_lang.v = @diary_entry.language_code
  34         default_lang.save!
  35       else
  36         current_user.preferences.create(:k => "diary.default_language", :v => @diary_entry.language_code)
  37       end
  38
  39       # Subscribe user to diary comments
  40       @diary_entry.subscriptions.create(:user => current_user)
  41
  42       redirect_to :action => "index", :display_name => current_user.display_name
  43     else
  44       render :action => "new"
  45     end
  46   end
  47
  48   def edit
  49     @title = t "diary_entries.edit.title"
  50     @diary_entry = DiaryEntry.find(params[:id])
  51
  52     redirect_to diary_entry_path(@diary_entry.user, @diary_entry) if current_user != @diary_entry.user
  53
  54     set_map_location
  55   rescue ActiveRecord::RecordNotFound
  56     render :action => "no_such_entry", :status => :not_found
  57   end
  58
  59   def update
  60     @title = t "diary_entries.edit.title"
  61     @diary_entry = DiaryEntry.find(params[:id])
  62
  63     if current_user != @diary_entry.user
  64       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
  65     elsif params[:diary_entry] && @diary_entry.update(entry_params)
  66       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
  67     else
  68       set_map_location
  69       render :action => "edit"
  70     end
  71   rescue ActiveRecord::RecordNotFound
  72     render :action => "no_such_entry", :status => :not_found
  73   end
  74
  75   def comment
  76     @entry = DiaryEntry.find(params[:id])
  77     @comments = @entry.visible_comments
  78     @diary_comment = @entry.comments.build(comment_params)
  79     @diary_comment.user = current_user
  80     if @diary_comment.save
  81
  82       # Notify current subscribers of the new comment
  83       @entry.subscribers.visible.each do |user|
  84         UserMailer.diary_comment_notification(@diary_comment, user).deliver_later if current_user != user
  85       end
  86
  87       # Add the commenter to the subscribers if necessary
  88       @entry.subscriptions.create(:user => current_user) unless @entry.subscribers.exists?(current_user.id)
  89
  90       redirect_to diary_entry_path(@entry.user, @entry)
  91     else
  92       render :action => "show"
  93     end
  94   rescue ActiveRecord::RecordNotFound
  95     render :action => "no_such_entry", :status => :not_found
  96   end
  97
  98   def subscribe
  99     diary_entry = DiaryEntry.find(params[:id])
 100
 101     diary_entry.subscriptions.create(:user => current_user) unless diary_entry.subscribers.exists?(current_user.id)
 102
 103     redirect_to diary_entry_path(diary_entry.user, diary_entry)
 104   rescue ActiveRecord::RecordNotFound
 105     render :action => "no_such_entry", :status => :not_found
 106   end
 107
 108   def unsubscribe
 109     diary_entry = DiaryEntry.find(params[:id])
 110
 111     diary_entry.subscriptions.where(:user => current_user).delete_all if diary_entry.subscribers.exists?(current_user.id)
 112
 113     redirect_to diary_entry_path(diary_entry.user, diary_entry)
 114   rescue ActiveRecord::RecordNotFound
 115     render :action => "no_such_entry", :status => :not_found
 116   end
 117
 118   def index
 119     if params[:display_name]
 120       @user = User.active.find_by(:display_name => params[:display_name])
 121
 122       if @user
 123         @title = t "diary_entries.index.user_title", :user => @user.display_name
 124         @entries = @user.diary_entries
 125       else
 126         render_unknown_user params[:display_name]
 127         return
 128       end
 129     elsif params[:friends]
 130       if current_user
 131         @title = t "diary_entries.index.title_friends"
 132         @entries = DiaryEntry.where(:user_id => current_user.friends)
 133       else
 134         require_user
 135         return
 136       end
 137     elsif params[:nearby]
 138       if current_user
 139         @title = t "diary_entries.index.title_nearby"
 140         @entries = DiaryEntry.where(:user_id => current_user.nearby)
 141       else
 142         require_user
 143         return
 144       end
 145     else
 146       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 147
 148       if params[:language]
 149         @title = t "diary_entries.index.in_language_title", :language => Language.find(params[:language]).english_name
 150         @entries = @entries.where(:language_code => params[:language])
 151       else
 152         @title = t "diary_entries.index.title"
 153       end
 154     end
 155
 156     @params = params.permit(:display_name, :friends, :nearby, :language)
 157
 158     @page = (params[:page] || 1).to_i
 159     @page_size = 20
 160
 161     @entries = @entries.visible unless can? :unhide, DiaryEntry
 162     @entries = @entries.order("created_at DESC")
 163     @entries = @entries.offset((@page - 1) * @page_size)
 164     @entries = @entries.limit(@page_size)
 165     @entries = @entries.includes(:user, :language)
 166   end
 167
 168   def rss
 169     if params[:display_name]
 170       user = User.active.find_by(:display_name => params[:display_name])
 171
 172       if user
 173         @entries = user.diary_entries
 174         @title = t("diary_entries.feed.user.title", :user => user.display_name)
 175         @description = t("diary_entries.feed.user.description", :user => user.display_name)
 176         @link = url_for :action => "index", :display_name => user.display_name, :host => Settings.server_url, :protocol => Settings.server_protocol
 177       else
 178         head :not_found
 179         return
 180       end
 181     else
 182       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 183
 184       # Items can't be flagged as deleted in the RSS format.
 185       # For the general feeds, allow a delay before publishing, to help spam fighting
 186       @entries = @entries.where("created_at < :time", :time => Settings.diary_feed_delay.hours.ago)
 187
 188       if params[:language]
 189         @entries = @entries.where(:language_code => params[:language])
 190         @title = t("diary_entries.feed.language.title", :language_name => Language.find(params[:language]).english_name)
 191         @description = t("diary_entries.feed.language.description", :language_name => Language.find(params[:language]).english_name)
 192         @link = url_for :action => "index", :language => params[:language], :host => Settings.server_url, :protocol => Settings.server_protocol
 193       else
 194         @title = t("diary_entries.feed.all.title")
 195         @description = t("diary_entries.feed.all.description")
 196         @link = url_for :action => "index", :host => Settings.server_url, :protocol => Settings.server_protocol
 197       end
 198     end
 199     @entries = @entries.visible.includes(:user).order("created_at DESC").limit(20)
 200   end
 201
 202   def show
 203     @entry = @user.diary_entries.visible.where(:id => params[:id]).first
 204     if @entry
 205       @title = t "diary_entries.show.title", :user => params[:display_name], :title => @entry.title
 206       @comments = can?(:unhidecomment, DiaryEntry) ? @entry.comments : @entry.visible_comments
 207     else
 208       @title = t "diary_entries.no_such_entry.title", :id => params[:id]
 209       render :action => "no_such_entry", :status => :not_found
 210     end
 211   end
 212
 213   def hide
 214     entry = DiaryEntry.find(params[:id])
 215     entry.update(:visible => false)
 216     redirect_to :action => "index", :display_name => entry.user.display_name
 217   end
 218
 219   def unhide
 220     entry = DiaryEntry.find(params[:id])
 221     entry.update(:visible => true)
 222     redirect_to :action => "index", :display_name => entry.user.display_name
 223   end
 224
 225   def hidecomment
 226     comment = DiaryComment.find(params[:comment])
 227     comment.update(:visible => false)
 228     redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
 229   end
 230
 231   def unhidecomment
 232     comment = DiaryComment.find(params[:comment])
 233     comment.update(:visible => true)
 234     redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
 235   end
 236
 237   def comments
 238     conditions = { :user_id => @user }
 239
 240     conditions[:visible] = true unless can? :unhidecomment, DiaryEntry
 241
 242     @comment_pages, @comments = paginate(:diary_comments,
 243                                          :conditions => conditions,
 244                                          :order => "created_at DESC",
 245                                          :per_page => 20)
 246     @page = (params[:page] || 1).to_i
 247   end
 248
 249   private
 250
 251   ##
 252   # return permitted diary entry parameters
 253   def entry_params
 254     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
 255   rescue ActionController::ParameterMissing
 256     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
 257   end
 258
 259   ##
 260   # return permitted diary comment parameters
 261   def comment_params
 262     params.require(:diary_comment).permit(:body)
 263   end
 264
 265   ##
 266   # decide on a location for the diary entry map
 267   def set_map_location
 268     if @diary_entry.latitude && @diary_entry.longitude
 269       @lon = @diary_entry.longitude
 270       @lat = @diary_entry.latitude
 271       @zoom = 12
 272     elsif current_user.home_lat.nil? || current_user.home_lon.nil?
 273       @lon = params[:lon] || -0.1
 274       @lat = params[:lat] || 51.5
 275       @zoom = params[:zoom] || 4
 276     else
 277       @lon = current_user.home_lon
 278       @lat = current_user.home_lat
 279       @zoom = 12
 280     end
 281   end
 282 end