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       @og_image = @entry.body.image
  72       @og_image_alt = @entry.body.image_alt
  73       @comments = can?(:unhide, DiaryComment) ? @entry.comments : @entry.visible_comments
  74     else
  75       @title = t "diary_entries.no_such_entry.title", :id => params[:id]
  76       render :action => "no_such_entry", :status => :not_found
  77     end
  78   end
  79
  80   def new
  81     @title = t ".title"
  82
  83     default_lang = current_user.preferences.find_by(:k => "diary.default_language")
  84     lang_code = default_lang ? default_lang.v : current_user.preferred_language
  85     @diary_entry = DiaryEntry.new(entry_params.merge(:language_code => lang_code))
  86     set_map_location
  87     render :action => "new"
  88   end
  89
  90   def edit
  91     @title = t ".title"
  92     @diary_entry = DiaryEntry.find(params[:id])
  93
  94     redirect_to diary_entry_path(@diary_entry.user, @diary_entry) if current_user != @diary_entry.user
  95
  96     set_map_location
  97   rescue ActiveRecord::RecordNotFound
  98     render :action => "no_such_entry", :status => :not_found
  99   end
 100
 101   def create
 102     @title = t "diary_entries.new.title"
 103
 104     @diary_entry = DiaryEntry.new(entry_params)
 105     @diary_entry.user = current_user
 106
 107     if @diary_entry.save
 108       default_lang = current_user.preferences.find_by(:k => "diary.default_language")
 109       if default_lang
 110         default_lang.v = @diary_entry.language_code
 111         default_lang.save!
 112       else
 113         current_user.preferences.create(:k => "diary.default_language", :v => @diary_entry.language_code)
 114       end
 115
 116       # Subscribe user to diary comments
 117       @diary_entry.subscriptions.create(:user => current_user)
 118
 119       redirect_to :action => "index", :display_name => current_user.display_name
 120     else
 121       render :action => "new"
 122     end
 123   end
 124
 125   def update
 126     @title = t "diary_entries.edit.title"
 127     @diary_entry = DiaryEntry.find(params[:id])
 128
 129     if cannot?(:update, @diary_entry) ||
 130        (params[:diary_entry] && @diary_entry.update(entry_params))
 131       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 132     else
 133       set_map_location
 134       render :action => "edit"
 135     end
 136   rescue ActiveRecord::RecordNotFound
 137     render :action => "no_such_entry", :status => :not_found
 138   end
 139
 140   def subscribe
 141     @diary_entry = DiaryEntry.find(params[:id])
 142
 143     if request.post?
 144       @diary_entry.subscriptions.create(:user => current_user) unless @diary_entry.subscribers.exists?(current_user.id)
 145
 146       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 147     end
 148   rescue ActiveRecord::RecordNotFound
 149     render :action => "no_such_entry", :status => :not_found
 150   end
 151
 152   def unsubscribe
 153     @diary_entry = DiaryEntry.find(params[:id])
 154
 155     if request.post?
 156       @diary_entry.subscriptions.where(:user => current_user).delete_all if @diary_entry.subscribers.exists?(current_user.id)
 157
 158       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 159     end
 160   rescue ActiveRecord::RecordNotFound
 161     render :action => "no_such_entry", :status => :not_found
 162   end
 163
 164   def rss
 165     if params[:display_name]
 166       user = User.active.find_by(:display_name => params[:display_name])
 167
 168       if user
 169         @entries = user.diary_entries
 170         @title = t("diary_entries.feed.user.title", :user => user.display_name)
 171         @description = t("diary_entries.feed.user.description", :user => user.display_name)
 172         @link = url_for :action => "index", :display_name => user.display_name, :host => Settings.server_url, :protocol => Settings.server_protocol
 173       else
 174         head :not_found
 175         return
 176       end
 177     else
 178       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 179
 180       # Items can't be flagged as deleted in the RSS format.
 181       # For the general feeds, allow a delay before publishing, to help spam fighting
 182       @entries = @entries.where("created_at < :time", :time => Settings.diary_feed_delay.hours.ago)
 183
 184       if params[:language]
 185         @entries = @entries.where(:language_code => params[:language])
 186         @title = t("diary_entries.feed.language.title", :language_name => Language.find(params[:language]).english_name)
 187         @description = t("diary_entries.feed.language.description", :language_name => Language.find(params[:language]).english_name)
 188         @link = url_for :action => "index", :language => params[:language], :host => Settings.server_url, :protocol => Settings.server_protocol
 189       else
 190         @title = t("diary_entries.feed.all.title")
 191         @description = t("diary_entries.feed.all.description")
 192         @link = url_for :action => "index", :host => Settings.server_url, :protocol => Settings.server_protocol
 193       end
 194     end
 195     @entries = @entries.visible.includes(:user).order("created_at DESC").limit(20)
 196   end
 197
 198   def hide
 199     entry = DiaryEntry.find(params[:id])
 200     entry.update(:visible => false)
 201     redirect_to :action => "index", :display_name => entry.user.display_name
 202   end
 203
 204   def unhide
 205     entry = DiaryEntry.find(params[:id])
 206     entry.update(:visible => true)
 207     redirect_to :action => "index", :display_name => entry.user.display_name
 208   end
 209
 210   private
 211
 212   ##
 213   # return permitted diary entry parameters
 214   def entry_params
 215     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
 216   rescue ActionController::ParameterMissing
 217     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
 218   end
 219
 220   ##
 221   # decide on a location for the diary entry map
 222   def set_map_location
 223     if @diary_entry.latitude && @diary_entry.longitude
 224       @lon = @diary_entry.longitude
 225       @lat = @diary_entry.latitude
 226       @zoom = 12
 227     elsif !current_user.home_location?
 228       @lon = params[:lon] || -0.1
 229       @lat = params[:lat] || 51.5
 230       @zoom = params[:zoom] || 4
 231     else
 232       @lon = current_user.home_lon
 233       @lat = current_user.home_lat
 234       @zoom = 12
 235     end
 236   end
 237 end