app/controllers/diary_entries_controller.rb

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