name_vector INTEGER[];
nameaddress_vector INTEGER[];
+ wiki_article TEXT;
+ wiki_article_title TEXT;
+ wiki_article_language TEXT;
+
result BOOLEAN;
BEGIN
address_havelevel[i] := false;
END LOOP;
+ NEW.importance := null;
+ -- WARNING: see duplicate of code below (yuk!)
+ IF NEW.extratags?'wikipedia' THEN
+ wiki_article := replace(regexp_replace(NEW.extratags->'wikipedia',E'(.*?)([a-z]+).wikipedia.org/wiki/',E'\\2:'),' ','_');
+ wiki_article_title := split_part(wiki_article, ':', 2);
+ IF wiki_article_title IS NULL OR wiki_article_title = '' THEN
+ wiki_article_title := wiki_article;
+ wiki_article_language := 'en';
+ ELSE
+ wiki_article_language := lower(split_part(wiki_article, ':', 1));
+ END IF;
+--RAISE WARNING '% %', wiki_article_language, wiki_article_title;
+
+ select wikipedia_article.importance,wikipedia_article.language||':'||wikipedia_article.title
+ from wikipedia_article
+ where language = wiki_article_language and
+ (title = wiki_article_title OR title = catch_decode_url_part(wiki_article_title) OR title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+ UNION ALL
+ select wikipedia_article.importance,wikipedia_article.language||':'||wikipedia_article.title
+ from wikipedia_redirect join wikipedia_article on (wikipedia_redirect.language = wikipedia_article.language and wikipedia_redirect.to_title = wikipedia_article.title)
+ where wikipedia_redirect.language = wiki_article_language and
+ (from_title = wiki_article_title OR from_title = catch_decode_url_part(wiki_article_title) OR from_title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+ order by importance asc limit 1 INTO NEW.importance,NEW.wikipedia;
+
+ ELSE
+ select importance,language||':'||title from wikipedia_article where osm_type = NEW.osm_type and osm_id = NEW.osm_id order by importance asc limit 1 INTO NEW.importance,NEW.wikipedia;
+ END IF;
+
--RAISE WARNING '% %', NEW.place_id, NEW.rank_search;
-- For low level elements we inherit from our parent road
select * from placex where osm_type = upper(substring(relMember.member,1,1))
and osm_id = substring(relMember.member,2,10000)::integer order by rank_search desc limit 1 into linkedPlacex;
- IF NEW.name->'name' = linkedPlacex.name->'name' AND NEW.rank_search = linkedPlacex.rank_search THEN
+ -- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
+ -- But that can be fixed by explicitly setting the label in the data
+ IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name')
+ AND NEW.rank_search = linkedPlacex.rank_search THEN
+
-- If we don't already have one use this as the centre point of the geometry
IF NEW.centroid IS NULL THEN
NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
END IF;
-- not found one yet? how about doing a name search
- IF NEW.centroid IS NULL THEN
+ IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
+
FOR linkedPlacex IN select placex.* from placex WHERE
make_standard_name(name->'name') = make_standard_name(NEW.name->'name')
AND placex.rank_search = NEW.rank_search
AND placex.place_id != NEW.place_id
- AND osm_type = 'N'
+ AND placex.osm_type = 'N' AND placex.rank_search < 26
AND st_contains(NEW.geometry, placex.geometry)
LOOP
place_centroid := NEW.centroid;
END IF;
+ -- Did we gain a wikipedia tag in the process? then we need to recalculate our importance
+ -- WARNING: duplicate of code above (yuk!)
+ IF NEW.importance is null AND NEW.extratags?'wikipedia' THEN
+ wiki_article := replace(regexp_replace(NEW.extratags->'wikipedia',E'(.*?)([a-z]+).wikipedia.org/wiki/',E'\\2:'),' ','_');
+ wiki_article_title := split_part(wiki_article, ':', 2);
+ IF wiki_article_title IS NULL OR wiki_article_title = '' THEN
+ wiki_article_title := wiki_article;
+ wiki_article_language := 'en';
+ ELSE
+ wiki_article_language := lower(split_part(wiki_article, ':', 1));
+ END IF;
+
+ select wikipedia_article.importance,wikipedia_article.language||':'||wikipedia_article.title
+ from wikipedia_article
+ where language = wiki_article_language and
+ (title = wiki_article_title OR title = catch_decode_url_part(wiki_article_title) OR title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+ UNION ALL
+ select wikipedia_article.importance,wikipedia_article.language||':'||wikipedia_article.title
+ from wikipedia_redirect join wikipedia_article on (wikipedia_redirect.language = wikipedia_article.language and wikipedia_redirect.to_title = wikipedia_article.title)
+ where wikipedia_redirect.language = wiki_article_language and
+ (from_title = wiki_article_title OR from_title = catch_decode_url_part(wiki_article_title) OR from_title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+ order by importance asc limit 1 INTO NEW.importance,NEW.wikipedia;
+
+ END IF;
+
END IF;
NEW.parent_place_id = 0;
$$
LANGUAGE plpgsql;
-
+-- See: http://stackoverflow.com/questions/6410088/how-can-i-mimic-the-php-urldecode-function-in-postgresql
+CREATE OR REPLACE FUNCTION decode_url_part(p varchar) RETURNS varchar
+ AS $$
+SELECT convert_from(CAST(E'\\x' || array_to_string(ARRAY(
+ SELECT CASE WHEN length(r.m[1]) = 1 THEN encode(convert_to(r.m[1], 'SQL_ASCII'), 'hex') ELSE substring(r.m[1] from 2 for 2) END
+ FROM regexp_matches($1, '%[0-9a-f][0-9a-f]|.', 'gi') AS r(m)
+), '') AS bytea), 'UTF8');
+$$
+LANGUAGE SQL IMMUTABLE STRICT;
+
+CREATE OR REPLACE FUNCTION catch_decode_url_part(p varchar) RETURNS varchar
+ AS $$
+DECLARE
+BEGIN
+ RETURN decode_url_part(p);
+EXCEPTION
+ WHEN others THEN return null;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;