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