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# web/lib/api/v4/search.rb
class Taginfo < Sinatra::Base
api(4, 'search/by_key_and_value', {
:description => 'Search for tags by key and/or value.',
:parameters => { :query => 'Value to search for (substring search, required).' },
:sort => %w( count_all key value ),
:paging => :optional,
:result => paging_results([
[:key, :STRING, 'Key'],
[:value, :STRING, 'Value'],
[:count_all, :INT, 'Number of objects in the database with this tag.']
]),
:example => { :query => 'highway%3Dresidential', :page => 1, :rp => 10 },
:ui => '/search?q=highway%3Dresidential'
}) do
query = params[:query]
(query_key, query_value) = query.split('=', 2)
if query_key == ''
total = @db.execute('SELECT count(*) FROM search.ftsearch WHERE value MATCH ?', query_value)[0][0].to_i
sel = @db.select('SELECT * FROM search.ftsearch WHERE value MATCH ?', query_value)
elsif query_value == ''
total = @db.execute('SELECT count(*) FROM search.ftsearch WHERE key MATCH ?', query_key)[0][0].to_i
sel = @db.select('SELECT * FROM search.ftsearch WHERE key MATCH ?', query_key)
else
total = @db.execute('SELECT count(*) FROM (SELECT * FROM search.ftsearch WHERE key MATCH ? INTERSECT SELECT * FROM search.ftsearch WHERE value MATCH ?)', query_key, query_value)[0][0].to_i
sel = @db.select('SELECT * FROM search.ftsearch WHERE key MATCH ? INTERSECT SELECT * FROM search.ftsearch WHERE value MATCH ?', query_key, query_value)
end
res = sel.
order_by(@ap.sortname, @ap.sortorder) { |o|
o.count_all
o.key
o.value
}.
paging(@ap).
execute()
return JSON.generate({
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:url => request.url,
:data => res.map{ |row| {
:key => row['key'],
:value => row['value'],
:count_all => row['count_all'].to_i,
}}
}, json_opts(params[:format]))
end
api(4, 'search/by_keyword', {
:description => 'Search for keys and tags by keyword in wiki pages.',
:parameters => { :query => 'Value to search for (substring search, required).' },
:sort => %w( count_all key value ),
:paging => :optional,
:result => paging_results([
[:key, :STRING, 'Key'],
[:value, :STRING, 'Value']
]),
:example => { :query => 'fire', :page => 1, :rp => 10 },
:ui => '/search?q=fire#fulltext'
}) do
query = params[:query].downcase
total = @db.count('wiki.words').condition("words LIKE ? ESCAPE '@'", like_contains(query)).get_first_i
res = @db.select("SELECT key, value FROM wiki.words WHERE words LIKE ? ESCAPE '@'", like_contains(query)).
order_by(@ap.sortname, @ap.sortorder) { |o|
o.key
o.value
}.
paging(@ap).
execute()
return JSON.generate({
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:url => request.url,
:data => res.map{ |row| {
:key => row['key'],
:value => row['value']
}}
}, json_opts(params[:format]))
end
api(4, 'search/by_role', {
:description => 'Search for relation roles.',
:parameters => { :query => 'Role to search for (substring search, required).' },
:sort => %w( count_all rtype role ),
:paging => :optional,
:result => paging_results([
[:rtype, :STRING, 'Relation type.'],
[:role, :STRING, 'Role'],
[:count_all, :INT, 'Number of objects in the database with this role.']
]),
:example => { :query => 'foo', :page => 1, :rp => 10 },
:ui => '/search?q=foo#roles'
}) do
query = params[:query]
total = @db.count('db.relation_roles').
condition_if("role LIKE ? ESCAPE '@'", like_contains(query)).
get_first_value().to_i
res = @db.select('SELECT * FROM db.relation_roles').
condition_if("role LIKE ? ESCAPE '@'", like_contains(query)).
order_by(@ap.sortname, @ap.sortorder) { |o|
o.count_all
o.rtype
o.role
}.
paging(@ap).
execute()
return JSON.generate({
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:url => request.url,
:data => res.map{ |row| {
:rtype => row['rtype'],
:role => row['role'],
:count_all => row['count_all'].to_i,
}}
}, json_opts(params[:format]))
end
api(4, 'search/by_value', {
:description => 'Search for tags by value.',
:parameters => { :query => 'Value to search for (substring search, required).' },
:sort => %w( count_all key value ),
:paging => :optional,
:result => paging_results([
[:key, :STRING, 'Key'],
[:value, :STRING, 'Value'],
[:count_all, :INT, 'Number of objects in the database with this tag.']
]),
:example => { :query => 'foo', :page => 1, :rp => 10 },
:ui => '/search?q=foo#values'
}) do
query = params[:query]
# searching for the empty string is very expensive, so we'll just return an empty result
if query == ''
return JSON.generate({
:page => 0,
:rp => 0,
:total => 0,
:url => request.url,
:data => []
}, json_opts(params[:format]))
end
total = @db.count('search.ftsearch').
condition_if("value MATCH ?", query).
get_first_value().to_i
res = @db.select('SELECT * FROM search.ftsearch').
condition_if("value MATCH ?", query).
order_by(@ap.sortname, @ap.sortorder) { |o|
o.count_all
o.key
o.value
}.
paging(@ap).
execute()
return JSON.generate({
:page => @ap.page,
:rp => @ap.results_per_page,
:total => total,
:url => request.url,
:data => res.map{ |row| {
:key => row['key'],
:value => row['value'],
:count_all => row['count_all'].to_i,
}}
}, json_opts(params[:format]))
end
end
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