1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
# app/controllers/general_controller.rb:
# For pages like front page, general search, that aren't specific to a
# particular model.
#
# Copyright (c) 2008 UK Citizens Online Democracy. All rights reserved.
# Email: hello@mysociety.org; WWW: http://www.mysociety.org/
require 'open-uri'
class GeneralController < ApplicationController
MAX_RESULTS = 500
# New, improved front page!
def frontpage
medium_cache
@locale = self.locale_from_params()
successful_query = InfoRequestEvent.make_query_from_params( :latest_status => ['successful'] )
@track_thing = TrackThing.create_track_for_search_query(successful_query)
@feed_autodetect = [ { :url => do_track_url(@track_thing, 'feed'),
:title => _('Successful requests'),
:has_json => true } ]
end
# Display blog entries
def blog
if AlaveteliConfiguration::blog_feed.empty?
raise ActiveRecord::RecordNotFound.new("Page not enabled")
end
medium_cache
@feed_autodetect = []
@feed_url = AlaveteliConfiguration::blog_feed
separator = @feed_url.include?('?') ? '&' : '?'
@feed_url = "#{@feed_url}#{separator}lang=#{self.locale_from_params()}"
@blog_items = []
if not @feed_url.empty?
content = quietly_try_to_open(@feed_url)
if !content.empty?
@data = XmlSimple.xml_in(content)
@channel = @data['channel'][0]
@blog_items = @channel.fetch('item') { [] }
@feed_autodetect = [{:url => @feed_url, :title => "#{site_name} blog"}]
end
end
@twitter_user = AlaveteliConfiguration::twitter_username
end
# Just does a redirect from ?query= search to /query
def search_redirect
@query = params.delete(:query)
if @query.nil? || @query.empty?
@query = nil
@page = 1
@advanced = !params[:advanced].nil?
render :action => "search"
else
query_parts = @query.split("/")
if !['bodies', 'requests', 'users', 'all'].include?(query_parts[-1])
redirect_to search_url([@query, "all"], params)
else
redirect_to search_url(@query, params)
end
end
end
# Actual search
def search
# TODO: Why is this so complicated with arrays and stuff? Look at the route
# in config/routes.rb for comments.
combined = params[:combined].split("/")
@sortby = nil
@bodies = @requests = @users = true
if combined.size > 0 && (['advanced'].include?(combined[-1]))
combined.pop
@advanced = true
else
@advanced = false
end
# TODO: currently /described isn't linked to anywhere, just used in RSS and for /list/successful
# This is because it's confusingly different from /newest - but still useful for power users.
if combined.size > 0 && (['newest', 'described', 'relevant'].include?(combined[-1]))
@sort_postfix = combined.pop
@sortby = @sort_postfix
end
if !params[:view].nil?
combined += [params[:view]]
end
if combined.size > 0 && (['bodies', 'requests', 'users', 'all'].include?(combined[-1]))
@variety_postfix = combined.pop
case @variety_postfix
when 'bodies'
@bodies = true
@requests = false
@users = false
when 'requests'
@bodies = false
@requests = true
@users = false
when 'users'
@bodies = false
@requests = false
@users = true
else
@variety_postfix = "all"
end
end
@query = combined.join("/")
if params[:query].nil?
params[:query] = @query
end
if @variety_postfix != "all" && @requests
@query = InfoRequestEvent.make_query_from_params(params)
end
@inputted_sortby = @sortby
if @sortby.nil?
# Parse query, so can work out if it has prefix terms only - if so then it is a
# structured query which should show newest first, rather than a free text search
# where we want most relevant as default.
begin
dummy_query = ActsAsXapian::Search.new([InfoRequestEvent], @query, :limit => 1)
rescue => e
flash[:error] = "Your query was not quite right. " + CGI.escapeHTML(e.to_str)
redirect_to search_url("")
return
end
if dummy_query.has_normal_search_terms?
@sortby = 'relevant'
else
@sortby = 'newest'
end
end
@page = get_search_page_from_params
# Query each type separately for separate display (TODO: we are calling
# perform_search multiple times and it clobbers per_page for each one,
# so set as separate var)
requests_per_page = params[:requests_per_page] ? params[:requests_per_page].to_i : 25
# Later pages are very expensive to load
if @page > MAX_RESULTS / requests_per_page
raise ActiveRecord::RecordNotFound.new("Sorry. No pages after #{MAX_RESULTS / requests_per_page}.")
end
@total_hits = @xapian_requests_hits = @xapian_bodies_hits = @xapian_users_hits = 0
if @requests
@xapian_requests = perform_search([InfoRequestEvent], @query, @sortby, 'request_collapse', requests_per_page)
@requests_per_page = @per_page
@xapian_requests_hits = @xapian_requests.results.size
@xapian_requests_total_hits = @xapian_requests.matches_estimated
@total_hits += @xapian_requests.matches_estimated
@request_for_spelling = @xapian_requests
@max_requests = (@xapian_requests.matches_estimated > MAX_RESULTS) ? MAX_RESULTS : @xapian_requests.matches_estimated
end
if @bodies
@xapian_bodies = perform_search([PublicBody], @query, @sortby, nil, 5)
@bodies_per_page = @per_page
@xapian_bodies_hits = @xapian_bodies.results.size
@xapian_bodies_total_hits = @xapian_bodies.matches_estimated
@total_hits += @xapian_bodies.matches_estimated
@request_for_spelling = @xapian_bodies
@max_bodies = (@xapian_bodies.matches_estimated > MAX_RESULTS) ? MAX_RESULTS : @xapian_bodies.matches_estimated
end
if @users
@xapian_users = perform_search([User], @query, @sortby, nil, 5)
@users_per_page = @per_page
@xapian_users_hits = @xapian_users.results.size
@xapian_users_total_hits = @xapian_users.matches_estimated
@total_hits += @xapian_users.matches_estimated
@request_for_spelling = @xapian_users
@max_users = (@xapian_users.matches_estimated > MAX_RESULTS) ? MAX_RESULTS : @xapian_users.matches_estimated
end
# Spelling and highight words are same for all three queries
@highlight_words = @request_for_spelling.words_to_highlight(:regex => true, :include_original => true)
if !(@request_for_spelling.spelling_correction =~ /[a-z]+:/)
@spelling_correction = @request_for_spelling.spelling_correction
end
@track_thing = TrackThing.create_track_for_search_query(@query, @variety_postfix)
@feed_autodetect = [ { :url => do_track_url(@track_thing, 'feed'), :title => @track_thing.params[:title_in_rss], :has_json => true } ]
end
# Handle requests for non-existent URLs - will be handled by ApplicationController::render_exception
def not_found
raise RouteNotFound
end
def version
respond_to do |format|
format.json { render :json => {
:alaveteli_git_commit => alaveteli_git_commit,
:alaveteli_version => ALAVETELI_VERSION,
:ruby_version => RUBY_VERSION,
:visible_request_count => InfoRequest.visible.count,
:confirmed_user_count => User.where(:email_confirmed => true).count
}}
end
end
end
|
