From de0ced9434416a4b1ac9e734d1b0700a4cff5fe1 Mon Sep 17 00:00:00 2001
From: Carla Iriberri <iriberrig@gmail.com>
Date: Fri, 23 Oct 2015 18:44:26 +0200
Subject: [PATCH] First files

---
 geocoder/ip-addresses/extension/.gitignore    |  3 +
 geocoder/ip-addresses/extension/Makefile      |  8 ++
 .../extension/cdb_geocoder_ipaddr--0.0.1.sql  | 80 +++++++++++++++++++
 .../extension/cdb_geocoder_ipaddr.control     |  6 ++
 4 files changed, 97 insertions(+)
 create mode 100644 geocoder/ip-addresses/extension/.gitignore
 create mode 100644 geocoder/ip-addresses/extension/Makefile
 create mode 100644 geocoder/ip-addresses/extension/cdb_geocoder_ipaddr--0.0.1.sql
 create mode 100644 geocoder/ip-addresses/extension/cdb_geocoder_ipaddr.control

diff --git a/geocoder/ip-addresses/extension/.gitignore b/geocoder/ip-addresses/extension/.gitignore
new file mode 100644
index 0000000..e710f0e
--- /dev/null
+++ b/geocoder/ip-addresses/extension/.gitignore
@@ -0,0 +1,3 @@
+results/
+regression.diffs
+regression.out
diff --git a/geocoder/ip-addresses/extension/Makefile b/geocoder/ip-addresses/extension/Makefile
new file mode 100644
index 0000000..922a44b
--- /dev/null
+++ b/geocoder/ip-addresses/extension/Makefile
@@ -0,0 +1,8 @@
+EXTENSION = cdb_geocoder_ipaddr
+DATA = cdb_geocoder_ipaddr--0.0.1.sql
+REGRESS = cdb_geocoder_ipaddr_test
+
+# postgres build stuff
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)
diff --git a/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr--0.0.1.sql b/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr--0.0.1.sql
new file mode 100644
index 0000000..7ce8c6b
--- /dev/null
+++ b/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr--0.0.1.sql
@@ -0,0 +1,80 @@
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION cdb_geocoder_ipaddr" to load this file. \quit
+
+-- Response types for IP addresses geocoder
+CREATE TYPE geocode_ip_v1 AS (q text, geom geometry, success boolean);
+
+-- Public API functions --
+--- Geocoding function ---
+-- TODO: deal with permissions
+
+CREATE OR REPLACE FUNCTION geocode_ip(ip text[]) RETURNS SETOF geocode_ip_v1
+    LANGUAGE plpgsql SECURITY DEFINER
+    AS $$
+  DECLARE 
+    ret geocode_ip_v1%rowtype;
+    n TEXT;
+    new_ips INET[];
+    old_ips TEXT[];
+  BEGIN
+  FOR n IN SELECT unnest(ip) LOOP
+    BEGIN
+      IF family(n::inet)=6 THEN
+        new_ips := array_append(new_ips, n::inet);
+        old_ips := array_append(old_ips, n);
+      ELSE
+        new_ips := array_append(new_ips, ('::ffff:'||n)::inet);
+        old_ips := array_append(old_ips, n);
+      END IF;
+    EXCEPTION WHEN OTHERS THEN
+      SELECT n AS q, NULL as geom, FALSE as success INTO ret;
+      RETURN NEXT ret;
+    END;
+  END LOOP;
+  FOR ret IN WITH ips AS (SELECT unnest(old_ips) s, unnest(new_ips) net),
+    matches AS (SELECT s, (SELECT the_geom FROM ip_address_locations WHERE network_start_ip <= ips.net ORDER BY network_start_ip DESC LIMIT 1) geom FROM ips)
+    SELECT s, geom, CASE WHEN geom IS NULL THEN FALSE ELSE TRUE END AS success FROM matches
+    LOOP
+    RETURN NEXT ret;
+  END LOOP;
+  RETURN;
+END
+$$;
+
+--------------------------------------------------------------------------------
+
+-- Support tables
+
+CREATE TABLE ip_address_locations (
+    network_start_ip inet,
+    the_geom geometry(Geometry,4326),
+    cartodb_id integer NOT NULL,
+    created_at timestamp with time zone DEFAULT now() NOT NULL,
+    updated_at timestamp with time zone DEFAULT now() NOT NULL,
+    the_geom_webmercator geometry(Geometry,3857)
+);
+
+CREATE SEQUENCE ip_address_locations_cartodb_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+ALTER SEQUENCE ip_address_locations_cartodb_id_seq OWNED BY ip_address_locations.cartodb_id;
+ALTER TABLE ONLY ip_address_locations ALTER COLUMN cartodb_id SET DEFAULT nextval('ip_address_locations_cartodb_id_seq'::regclass);
+
+
+ALTER TABLE ONLY ip_address_locations
+    ADD CONSTRAINT ip_address_locations_cartodb_id_key UNIQUE (cartodb_id);
+ALTER TABLE ONLY ip_address_locations
+    ADD CONSTRAINT ip_address_locations_pkey PRIMARY KEY (cartodb_id);
+
+
+CREATE INDEX ip_address_locations_the_geom_idx ON ip_address_locations USING gist (the_geom);
+CREATE INDEX ip_address_locations_the_geom_webmercator_idx ON ip_address_locations USING gist (the_geom_webmercator);
+CREATE INDEX ip_address_locations_startip_idx ON ip_address_locations USING btree (network_start_ip);
+
+CREATE TRIGGER track_updates AFTER INSERT OR DELETE OR UPDATE OR TRUNCATE ON ip_address_locations FOR EACH STATEMENT EXECUTE PROCEDURE cartodb.cdb_tablemetadata_trigger();
+CREATE TRIGGER update_the_geom_webmercator_trigger BEFORE INSERT OR UPDATE OF the_geom ON ip_address_locations FOR EACH ROW EXECUTE PROCEDURE cartodb._cdb_update_the_geom_webmercator();
+CREATE TRIGGER update_updated_at_trigger BEFORE UPDATE ON ip_address_locations FOR EACH ROW EXECUTE PROCEDURE cartodb._cdb_update_updated_at();
+
diff --git a/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr.control b/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr.control
new file mode 100644
index 0000000..af9e981
--- /dev/null
+++ b/geocoder/ip-addresses/extension/cdb_geocoder_ipaddr.control
@@ -0,0 +1,6 @@
+# cdb geocoder ipaddr extension
+comment = 'CartoDB admin0 internal geocoder'
+default_version = '0.0.1'
+relocatable = true
+requires = cartodb
+superuser = false