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
  64     render :partial => "page" if turbo_frame_request_id == "pagination"
  65   end
  66
  67   def show
  68     entries = @user.diary_entries
  69     entries = entries.visible unless can? :unhide, DiaryEntry
  70     @entry = entries.find_by(:id => params[:id])
  71     if @entry
  72       @title = t ".title", :user => params[:display_name], :title => @entry.title
  73       @opengraph_properties = {
  74         "og:title" => @entry.title,
  75         "og:image" => @entry.body.image,
  76         "og:image:alt" => @entry.body.image_alt,
  77         "og:description" => @entry.body.description,
  78         "article:published_time" => @entry.created_at.xmlschema
  79       }
  80       @comments = can?(:unhide, DiaryComment) ? @entry.comments : @entry.visible_comments
  81     else
  82       @title = t "diary_entries.no_such_entry.title", :id => params[:id]
  83       render :action => "no_such_entry", :status => :not_found
  84     end
  85   end
  86
  87   def new
  88     @title = t ".title"
  89
  90     default_lang = current_user.preferences.find_by(:k => "diary.default_language")
  91     lang_code = default_lang ? default_lang.v : current_user.preferred_language
  92     @diary_entry = DiaryEntry.new(entry_params.merge(:language_code => lang_code))
  93     set_map_location
  94     render :action => "new"
  95   end
  96
  97   def edit
  98     @title = t ".title"
  99     @diary_entry = DiaryEntry.find(params[:id])
 100
 101     redirect_to diary_entry_path(@diary_entry.user, @diary_entry) if current_user != @diary_entry.user
 102
 103     set_map_location
 104   rescue ActiveRecord::RecordNotFound
 105     render :action => "no_such_entry", :status => :not_found
 106   end
 107
 108   def create
 109     @title = t "diary_entries.new.title"
 110
 111     @diary_entry = DiaryEntry.new(entry_params)
 112     @diary_entry.user = current_user
 113
 114     if @diary_entry.save
 115       default_lang = current_user.preferences.find_by(:k => "diary.default_language")
 116       if default_lang
 117         default_lang.v = @diary_entry.language_code
 118         default_lang.save!
 119       else
 120         current_user.preferences.create(:k => "diary.default_language", :v => @diary_entry.language_code)
 121       end
 122
 123       # Subscribe user to diary comments
 124       @diary_entry.subscriptions.create(:user => current_user)
 125
 126       redirect_to :action => "index", :display_name => current_user.display_name
 127     else
 128       render :action => "new"
 129     end
 130   end
 131
 132   def update
 133     @title = t "diary_entries.edit.title"
 134     @diary_entry = DiaryEntry.find(params[:id])
 135
 136     if cannot?(:update, @diary_entry) ||
 137        (params[:diary_entry] && @diary_entry.update(entry_params))
 138       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 139     else
 140       set_map_location
 141       render :action => "edit"
 142     end
 143   rescue ActiveRecord::RecordNotFound
 144     render :action => "no_such_entry", :status => :not_found
 145   end
 146
 147   def subscribe
 148     @diary_entry = DiaryEntry.find(params[:id])
 149
 150     if request.post?
 151       @diary_entry.subscriptions.create(:user => current_user) unless @diary_entry.subscribers.exists?(current_user.id)
 152
 153       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 154     end
 155   rescue ActiveRecord::RecordNotFound
 156     render :action => "no_such_entry", :status => :not_found
 157   end
 158
 159   def unsubscribe
 160     @diary_entry = DiaryEntry.find(params[:id])
 161
 162     if request.post?
 163       @diary_entry.subscriptions.where(:user => current_user).delete_all if @diary_entry.subscribers.exists?(current_user.id)
 164
 165       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
 166     end
 167   rescue ActiveRecord::RecordNotFound
 168     render :action => "no_such_entry", :status => :not_found
 169   end
 170
 171   def rss
 172     if params[:display_name]
 173       user = User.active.find_by(:display_name => params[:display_name])
 174
 175       if user
 176         @entries = user.diary_entries
 177         @title = t("diary_entries.feed.user.title", :user => user.display_name)
 178         @description = t("diary_entries.feed.user.description", :user => user.display_name)
 179         @link = url_for :action => "index", :display_name => user.display_name, :host => Settings.server_url, :protocol => Settings.server_protocol
 180       else
 181         head :not_found
 182         return
 183       end
 184     else
 185       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
 186
 187       # Items can't be flagged as deleted in the RSS format.
 188       # For the general feeds, allow a delay before publishing, to help spam fighting
 189       @entries = @entries.where("created_at < :time", :time => Settings.diary_feed_delay.hours.ago)
 190
 191       if params[:language]
 192         @entries = @entries.where(:language_code => params[:language])
 193         @title = t("diary_entries.feed.language.title", :language_name => Language.find(params[:language]).english_name)
 194         @description = t("diary_entries.feed.language.description", :language_name => Language.find(params[:language]).english_name)
 195         @link = url_for :action => "index", :language => params[:language], :host => Settings.server_url, :protocol => Settings.server_protocol
 196       else
 197         @title = t("diary_entries.feed.all.title")
 198         @description = t("diary_entries.feed.all.description")
 199         @link = url_for :action => "index", :host => Settings.server_url, :protocol => Settings.server_protocol
 200       end
 201     end
 202     @entries = @entries.visible.includes(:user).order("created_at DESC").limit(20)
 203   end
 204
 205   def hide
 206     entry = DiaryEntry.find(params[:id])
 207     entry.update(:visible => false)
 208     redirect_to :action => "index", :display_name => entry.user.display_name
 209   end
 210
 211   def unhide
 212     entry = DiaryEntry.find(params[:id])
 213     entry.update(:visible => true)
 214     redirect_to :action => "index", :display_name => entry.user.display_name
 215   end
 216
 217   private
 218
 219   ##
 220   # return permitted diary entry parameters
 221   def entry_params
 222     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
 223   rescue ActionController::ParameterMissing
 224     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
 225   end
 226
 227   ##
 228   # decide on a location for the diary entry map
 229   def set_map_location
 230     if @diary_entry.latitude && @diary_entry.longitude
 231       @lon = @diary_entry.longitude
 232       @lat = @diary_entry.latitude
 233       @zoom = 12
 234     elsif !current_user.home_location?
 235       @lon = params[:lon] || -0.1
 236       @lat = params[:lat] || 51.5
 237       @zoom = params[:zoom] || 4
 238     else
 239       @lon = current_user.home_lon
 240       @lat = current_user.home_lat
 241       @zoom = 12
 242     end
 243   end
 244 end