app/controllers/diary_entries_controller.rb

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