From 27f784377e3d4dac68e131025725c0fa20a2a2b7 Mon Sep 17 00:00:00 2001
From: Jason Etheridge <jason@esilibrary.com>
Date: Wed, 11 Oct 2017 03:55:36 -0400
Subject: [PATCH] toward better name parsing (handles names like "Van Horn, Fiona")

Signed-off-by: Jason Etheridge <jason@esilibrary.com>
---
 sql/base/base.sql |   76 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 76 insertions(+), 0 deletions(-)

diff --git a/sql/base/base.sql b/sql/base/base.sql
index 891759a..22f259e 100644
--- a/sql/base/base.sql
+++ b/sql/base/base.sql
@@ -421,6 +421,82 @@ CREATE OR REPLACE FUNCTION migration_tools.name_parse_out_last_first_middle_and_
     END;
 $$ LANGUAGE PLPGSQL STRICT IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION migration_tools.name_parse_out_fuller_last_first_middle_and_random_affix (TEXT) RETURNS TEXT[] AS $$
+    DECLARE
+        full_name TEXT := $1;
+        temp TEXT;
+        family_name TEXT := '';
+        first_given_name TEXT := '';
+        second_given_name TEXT := '';
+        suffix TEXT := '';
+        prefix TEXT := '';
+    BEGIN
+        temp := full_name;
+        -- Use values, not structure, for prefix/suffix, unless we come up with a better idea
+        IF temp ilike '%MR.%' THEN
+            prefix := 'Mr.';
+            temp := REGEXP_REPLACE( temp, E'MR\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%MRS.%' THEN
+            prefix := 'Mrs.';
+            temp := REGEXP_REPLACE( temp, E'MRS\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%MS.%' THEN
+            prefix := 'Ms.';
+            temp := REGEXP_REPLACE( temp, E'MS\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%DR.%' THEN
+            prefix := 'Dr.';
+            temp := REGEXP_REPLACE( temp, E'DR\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%JR.%' THEN
+            suffix := 'Jr.';
+            temp := REGEXP_REPLACE( temp, E'JR\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%JR,%' THEN
+            suffix := 'Jr.';
+            temp := REGEXP_REPLACE( temp, E'JR,\\s*', ',', 'i' );
+        END IF;
+        IF temp ilike '%SR.%' THEN
+            suffix := 'Sr.';
+            temp := REGEXP_REPLACE( temp, E'SR\.\\s*', '', 'i' );
+        END IF;
+        IF temp ilike '%SR,%' THEN
+            suffix := 'Sr.';
+            temp := REGEXP_REPLACE( temp, E'SR,\\s*', ',', 'i' );
+        END IF;
+        IF temp like '%III%' THEN
+            suffix := 'III';
+            temp := REGEXP_REPLACE( temp, E'III', '' );
+        END IF;
+        IF temp like '%II%' THEN
+            suffix := 'II';
+            temp := REGEXP_REPLACE( temp, E'II', '' );
+        END IF;
+        IF temp like '%IV%' THEN
+            suffix := 'IV';
+            temp := REGEXP_REPLACE( temp, E'IV', '' );
+        END IF;
+
+
+        IF temp ~ ',' THEN
+            family_name = BTRIM(REGEXP_REPLACE(temp,E'^(.*?,).*$',E'\\1'));
+            temp := REPLACE( temp, family_name, '' );
+            family_name := REPLACE( family_name, ',', '' );
+            first_given_name := BTRIM( REGEXP_REPLACE(temp,E'^(\\S+).*?$',E'\\1') );
+            temp := REPLACE( temp, first_given_name, '' );
+            second_given_name := BTRIM(temp);
+        ELSE
+            first_given_name := BTRIM( REGEXP_REPLACE(temp,E'^(\\S+).*?$',E'\\1') );
+            temp := REPLACE( temp, first_given_name, '' );
+            family_name := BTRIM( REGEXP_REPLACE(temp,E'^.*?(\\S+)$',E'\\1') );
+            temp := REPLACE( temp, family_name, '' );
+            second_given_name := BTRIM(temp);
+        END IF;
+
+        RETURN ARRAY[ family_name, prefix, first_given_name, second_given_name, suffix ];
+    END;
+$$ LANGUAGE PLPGSQL STRICT IMMUTABLE;
 
 CREATE OR REPLACE FUNCTION migration_tools.address_parse_out_citystatezip (TEXT) RETURNS TEXT[] AS $$
     DECLARE
-- 
1.7.2.5