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# web/lib/api/keys.rb
class Taginfo < Sinatra::Base
@@filters = {
:characters_space => { :expr => "characters='space'", :doc => 'Only show keys with spaces.' },
:characters_problematic => { :expr => "characters='problem'", :doc => 'Only show keys with problematic characters.' },
:in_wiki => { :expr => "in_wiki=1", :doc => 'Only show keys that appear in the wiki.' },
:not_in_db => { :expr => "count_all=0", :doc => 'Only show keys that do not appear in the database.' }
}
api(4, 'keys/all', {
:description => 'Get list of all keys.',
:parameters => { :query => 'Only show keys matching this query (substring match, optional).' },
:paging => :optional,
:filter => @@filters,
:sort => %w( key count_all count_nodes count_ways count_relations values_all users_all in_wiki in_josm in_potlatch length ),
:result => {
:key => :STRING,
:count_all => :INT,
:count_all_fraction => :FLOAT,
:count_nodes => :INT,
:count_nodes_fraction => :FLOAT,
:count_ways => :INT,
:count_ways_fraction => :FLOAT,
:count_relations => :INT,
:count_relations_fraction => :FLOAT,
:values_all => :INT,
:users_all => :INT,
:in_wiki => :BOOL,
:in_josm => :BOOL,
:in_potlatch => :BOOL
},
:example => { :page => 1, :rp => 10, :filter => 'in_wiki', :sortname => 'key', :sortorder => 'asc' },
:ui => '/keys'
}) do
if params[:filters]
filters = params[:filters].split(',').map{ |f| @@filters[f.to_sym][:expr] }.compact
else
filters = []
end
include_data = Hash.new
if params[:include]
params[:include].split(',').each{ |inc| include_data[inc.to_sym] = 1 }
end
total = @db.count('db.keys').
condition_if("key LIKE '%' || ? || '%'", params[:query]).
conditions(filters).
get_first_value().to_i
res = @db.select('SELECT * FROM db.keys').
condition_if("key LIKE '%' || ? || '%'", params[:query]).
conditions(filters).
order_by(@ap.sortname, @ap.sortorder) { |o|
o.key
o.count_all
o.count_nodes
o.count_ways
o.count_relations
o.values_all
o.users_all
o.in_wiki
o.in_josm
o.in_potlatch
o.length 'length(key)'
o.length :key
}.
paging(@ap).
execute()
if include_data[:wikipages]
reshash = Hash.new
res.each do |row|
reshash[row['key']] = row
row['wikipages'] = Array.new
end
wikipages = @db.select('SELECT key, lang, title, type FROM wiki.wikipages').
condition("value IS NULL").
condition("key IN (#{ res.map{ |row| "'" + SQLite3::Database.quote(row['key']) + "'" }.join(',') })").
order_by([:key, :lang], 'ASC').
execute()
wikipages.each do |wp|
key = wp['key']
wp.delete_if{ |k,v| k.is_a?(Integer) || k == 'key' }
reshash[key]['wikipages'] << wp
end
end
if include_data[:prevalent_values]
reshash = Hash.new
res.each do |row|
reshash[row['key']] = row
row['prevalent_values'] = Array.new
end
prevvalues = @db.select('SELECT key, value, count, fraction FROM db.prevalent_values').
condition("key IN (#{ res.map{ |row| "'" + SQLite3::Database.quote(row['key']) + "'" }.join(',') })").
order_by([:count], 'DESC').
execute()
prevvalues.each do |pv|
key = pv['key']
pv.delete_if{ |k,v| k.is_a?(Integer) || k == 'key' }
pv['count'] = pv['count'].to_i
pv['fraction'] = pv['fraction'].to_f
reshash[key]['prevalent_values'] << pv
end
end
return {
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:data => res.map{ |row| h = {
:key => row['key'],
:count_all => row['count_all'].to_i,
:count_all_fraction => (row['count_all'].to_f / @db.stats('objects')).round_to(4),
:count_nodes => row['count_nodes'].to_i,
:count_nodes_fraction => (row['count_nodes'].to_f / @db.stats('nodes_with_tags')).round_to(4),
:count_ways => row['count_ways'].to_i,
:count_ways_fraction => (row['count_ways'].to_f / @db.stats('ways')).round_to(4),
:count_relations => row['count_relations'].to_i,
:count_relations_fraction => (row['count_relations'].to_f / @db.stats('relations')).round_to(4),
:values_all => row['values_all'].to_i,
:users_all => row['users_all'].to_i,
:in_wiki => row['in_wiki'].to_i == 1 ? true : false,
:in_josm => row['in_josm'].to_i == 1 ? true : false,
:in_potlatch => row['in_potlatch'].to_i == 1 ? true : false,
}
h[:wikipages] = row['wikipages'] if row['wikipages']
h[:prevalent_values] = row['prevalent_values'][0,10] if row['prevalent_values']
h }
}.to_json
end
api(4, 'keys/wiki_pages', {
:description => 'Get list of wiki pages in different languages for all keys.',
:parameters => { :query => 'Only show keys matching this query (substring match, optional).' },
:paging => :optional,
:sort => %w( key ),
:result => {
:key => :STRING,
:lang => "Hash with language codes as keys and values showing what type of wiki page is available"
},
:example => { :page => 1, :rp => 10, :sortname => 'key', :sortorder => 'asc' },
:ui => '/reports/language_comparison_table_for_keys_in_the_wiki'
}) do
languages = @db.execute('SELECT language FROM wiki.wiki_languages ORDER by language').map do |row|
row['language']
end
total = @db.count('wiki.wikipages_keys').
condition_if("key LIKE '%' || ? || '%'", params[:query]).
get_first_value().to_i
res = @db.select('SELECT key, langs FROM wiki.wikipages_keys').
condition_if("key LIKE '%' || ? || '%'", params[:query]).
order_by(@ap.sortname, @ap.sortorder){ |o|
o.key
}.
paging(@ap).
execute()
return {
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:data => res.map{ |row|
lang_hash = Hash.new
row['langs'].split(',').each{ |l|
(lang, status) = l.split(' ', 2)
lang_hash[lang] = status
}
{ :key => row['key'], :lang => lang_hash }
}
}.to_json
end
end
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