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