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Remove query result geometry when unloading the page
[rails.git] / app / controllers / diary_entries_controller.rb
1 class DiaryEntriesController < ApplicationController
2   layout "site", :except => :rss
3
4   before_action :authorize_web
5   before_action :set_locale
6   before_action :check_database_readable
7
8   authorize_resource
9
10   before_action :lookup_user, :only => [:show, :comments]
11   before_action :check_database_writable, :only => [:new, :create, :edit, :update, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
12   before_action :allow_thirdparty_images, :only => [:new, :create, :edit, :update, :index, :show, :comments]
13
14   def new
15     @title = t "diary_entries.new.title"
16
17     default_lang = current_user.preferences.where(:k => "diary.default_language").first
18     lang_code = default_lang ? default_lang.v : current_user.preferred_language
19     @diary_entry = DiaryEntry.new(entry_params.merge(:language_code => lang_code))
20     set_map_location
21     render :action => "new"
22   end
23
24   def create
25     @title = t "diary_entries.new.title"
26
27     @diary_entry = DiaryEntry.new(entry_params)
28     @diary_entry.user = current_user
29
30     if @diary_entry.save
31       default_lang = current_user.preferences.where(:k => "diary.default_language").first
32       if default_lang
33         default_lang.v = @diary_entry.language_code
34         default_lang.save!
35       else
36         current_user.preferences.create(:k => "diary.default_language", :v => @diary_entry.language_code)
37       end
38
39       # Subscribe user to diary comments
40       @diary_entry.subscriptions.create(:user => current_user)
41
42       redirect_to :action => "index", :display_name => current_user.display_name
43     else
44       render :action => "new"
45     end
46   end
47
48   def edit
49     @title = t "diary_entries.edit.title"
50     @diary_entry = DiaryEntry.find(params[:id])
51
52     redirect_to diary_entry_path(@diary_entry.user, @diary_entry) if current_user != @diary_entry.user
53
54     set_map_location
55   rescue ActiveRecord::RecordNotFound
56     render :action => "no_such_entry", :status => :not_found
57   end
58
59   def update
60     @title = t "diary_entries.edit.title"
61     @diary_entry = DiaryEntry.find(params[:id])
62
63     if current_user != @diary_entry.user ||
64        (params[:diary_entry] && @diary_entry.update(entry_params))
65       redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
66     else
67       set_map_location
68       render :action => "edit"
69     end
70   rescue ActiveRecord::RecordNotFound
71     render :action => "no_such_entry", :status => :not_found
72   end
73
74   def comment
75     @entry = DiaryEntry.find(params[:id])
76     @comments = @entry.visible_comments
77     @diary_comment = @entry.comments.build(comment_params)
78     @diary_comment.user = current_user
79     if @diary_comment.save
80
81       # Notify current subscribers of the new comment
82       @entry.subscribers.visible.each do |user|
83         UserMailer.diary_comment_notification(@diary_comment, user).deliver_later if current_user != user
84       end
85
86       # Add the commenter to the subscribers if necessary
87       @entry.subscriptions.create(:user => current_user) unless @entry.subscribers.exists?(current_user.id)
88
89       redirect_to diary_entry_path(@entry.user, @entry)
90     else
91       render :action => "show"
92     end
93   rescue ActiveRecord::RecordNotFound
94     render :action => "no_such_entry", :status => :not_found
95   end
96
97   def subscribe
98     diary_entry = DiaryEntry.find(params[:id])
99
100     diary_entry.subscriptions.create(:user => current_user) unless diary_entry.subscribers.exists?(current_user.id)
101
102     redirect_to diary_entry_path(diary_entry.user, diary_entry)
103   rescue ActiveRecord::RecordNotFound
104     render :action => "no_such_entry", :status => :not_found
105   end
106
107   def unsubscribe
108     diary_entry = DiaryEntry.find(params[:id])
109
110     diary_entry.subscriptions.where(:user => current_user).delete_all if diary_entry.subscribers.exists?(current_user.id)
111
112     redirect_to diary_entry_path(diary_entry.user, diary_entry)
113   rescue ActiveRecord::RecordNotFound
114     render :action => "no_such_entry", :status => :not_found
115   end
116
117   def index
118     if params[:display_name]
119       @user = User.active.find_by(:display_name => params[:display_name])
120
121       if @user
122         @title = t "diary_entries.index.user_title", :user => @user.display_name
123         @entries = @user.diary_entries
124       else
125         render_unknown_user params[:display_name]
126         return
127       end
128     elsif params[:friends]
129       if current_user
130         @title = t "diary_entries.index.title_friends"
131         @entries = DiaryEntry.where(:user_id => current_user.friends)
132       else
133         require_user
134         return
135       end
136     elsif params[:nearby]
137       if current_user
138         @title = t "diary_entries.index.title_nearby"
139         @entries = DiaryEntry.where(:user_id => current_user.nearby)
140       else
141         require_user
142         return
143       end
144     else
145       @entries = DiaryEntry.joins(:user).where(:users => { :status => %w[active confirmed] })
146
147       if params[:language]
148         @title = t "diary_entries.index.in_language_title", :language => Language.find(params[:language]).english_name
149         @entries = @entries.where(:language_code => params[:language])
150       else
151         @title = t "diary_entries.index.title"
152       end
153     end
154
155     @params = params.permit(:display_name, :friends, :nearby, :language)
156
157     @page = (params[:page] || 1).to_i
158     @page_size = 20
159
160     @entries = @entries.visible unless can? :unhide, DiaryEntry
161     @entries = @entries.order("created_at DESC")
162     @entries = @entries.offset((@page - 1) * @page_size)
163     @entries = @entries.limit(@page_size)
164     @entries = @entries.includes(:user, :language)
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 show
202     @entry = @user.diary_entries.visible.where(:id => params[:id]).first
203     if @entry
204       @title = t "diary_entries.show.title", :user => params[:display_name], :title => @entry.title
205       @comments = can?(:unhidecomment, DiaryEntry) ? @entry.comments : @entry.visible_comments
206     else
207       @title = t "diary_entries.no_such_entry.title", :id => params[:id]
208       render :action => "no_such_entry", :status => :not_found
209     end
210   end
211
212   def hide
213     entry = DiaryEntry.find(params[:id])
214     entry.update(:visible => false)
215     redirect_to :action => "index", :display_name => entry.user.display_name
216   end
217
218   def unhide
219     entry = DiaryEntry.find(params[:id])
220     entry.update(:visible => true)
221     redirect_to :action => "index", :display_name => entry.user.display_name
222   end
223
224   def hidecomment
225     comment = DiaryComment.find(params[:comment])
226     comment.update(:visible => false)
227     redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
228   end
229
230   def unhidecomment
231     comment = DiaryComment.find(params[:comment])
232     comment.update(:visible => true)
233     redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
234   end
235
236   def comments
237     @title = t ".title", :user => @user.display_name
238
239     conditions = { :user_id => @user }
240
241     conditions[:visible] = true unless can? :unhidecomment, DiaryEntry
242
243     @comment_pages, @comments = paginate(:diary_comments,
244                                          :conditions => conditions,
245                                          :order => "created_at DESC",
246                                          :per_page => 20)
247     @page = (params[:page] || 1).to_i
248   end
249
250   private
251
252   ##
253   # return permitted diary entry parameters
254   def entry_params
255     params.require(:diary_entry).permit(:title, :body, :language_code, :latitude, :longitude)
256   rescue ActionController::ParameterMissing
257     ActionController::Parameters.new.permit(:title, :body, :language_code, :latitude, :longitude)
258   end
259
260   ##
261   # return permitted diary comment parameters
262   def comment_params
263     params.require(:diary_comment).permit(:body)
264   end
265
266   ##
267   # decide on a location for the diary entry map
268   def set_map_location
269     if @diary_entry.latitude && @diary_entry.longitude
270       @lon = @diary_entry.longitude
271       @lat = @diary_entry.latitude
272       @zoom = 12
273     elsif current_user.home_lat.nil? || current_user.home_lon.nil?
274       @lon = params[:lon] || -0.1
275       @lat = params[:lat] || 51.5
276       @zoom = params[:zoom] || 4
277     else
278       @lon = current_user.home_lon
279       @lat = current_user.home_lat
280       @zoom = 12
281     end
282   end
283 end