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