1 files changed, 136 insertions, 0 deletions
diff --git a/db_update_scripts/update_foodDescs.php b/db_update_scripts/update_foodDescs.php
new file mode 100755
index 0000000..09a40b6
--- /dev/null
+++ b/db_update_scripts/update_foodDescs.php
@@ -0,0 +1,136 @@
+#!/usr/bin/php
+
+<?php
+
+/**
+ * Script to update nutridb table foodDescs which corresponds
+ * to USDA file FOOD_DES, which corresponds to update files
+ * DEL_FOOD.txt and ADD_FOOD.txt and CHG_FOOD.txt.
+ *
+ * NOTE: This script relies on the fact that updates files
+ * are named as they were from the SR19 -> SR20 update.
+ */
+ 
+require("config.php");
+
+$fh_del = fopen("{$updatesDir}/DEL_FOOD.txt", "r");
+$fh_add = fopen("{$updatesDir}/ADD_FOOD.txt", "r");
+$fh_chg = fopen("{$updatesDir}/CHG_FOOD.txt", "r");
+
+# First handle deletions
+fwrite($fh_log, "### PROCESSING DEL_FOOD.txt ###\n");
+$idx = 0;
+while ( ($row = fgetcsv($fh_del, 0, $delimiter, $enclosure)) !== FALSE ) {
+	$sql = sprintf("
+		UPDATE foodDescs
+		SET usda_status = 'deleted'
+		WHERE ndb_no = '%s'
+		",
+		$row[0]
+	);
+	$db->Modify($sql);
+	if ( $db->_error ) {
+		fwrite($fh_log, "\tERROR deactivating ndb_no {$row[0]}: $db->_error\n");
+	} elseif ( $db->_affectedRows == 0 ) {
+		fwrite($fh_log, "\tWARNING: ndb_no {$row[0]} was not found in the database.\n");
+	} else {
+		$idx++;
+	}
+}
+fwrite($fh_log, "\tDeactivated $idx records from table foodDescs.\n");
+
+# Now handle additions
+fwrite($fh_log, "### PROCESSING ADD_FOOD.txt ###\n");
+$idx = 0;
+while ( ($row = fgetcsv($fh_add, 0, $delimiter, $enclosure)) !== FALSE ) {
+	# Don't add the record if this ndb_no already exists
+	$sql = sprintf("
+		SELECT ndb_no FROM foodDescs
+		WHERE ndb_no = '%s'
+		",
+		$row[0]
+	);
+	$db->Select($sql);
+	if ( $db->_rowCount != 0 ) {
+		fwrite($fh_log, "\tWARNING not adding ndb_no {$row[0]} because it already exists.\n");
+		continue;
+	}
+	$sql = sprintf("
+		INSERT INTO foodDescs(
+			ndb_no, fdgrp_cd, long_desc, shrt_desc, comname, manufacname, survey,
+			ref_desc, refuse, sciname, n_factor, pro_factor, fat_factor, cho_factor
+		)
+		VALUES('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')
+		",
+		$row[0],
+		$row[1],
+		addslashes($row[2]),
+		addslashes($row[3]),
+		addslashes($row[4]),
+		addslashes($row[5]),
+		$row[6],
+		addslashes($row[7]),
+		$row[8],
+		addslashes($row[9]),
+		$row[10],
+		$row[11],
+		$row[12],
+		$row[13]
+	);
+	$db->Modify($sql);
+	if ( $db->_error ) {
+		fwrite($fh_log, "\tERROR adding ndb_no {$row[0]}: $db->_error\n");
+	} else {
+		$idx++;
+	}
+}
+fwrite($fh_log, "\tAdded $idx records to table foodDescs.\n");
+
+# Now make updates
+fwrite($fh_log, "### PROCESSING CHG_FOOD.txt ###\n");
+$idx = 0;
+while ( ($row = fgetcsv($fh_chg, 0, $delimiter, $enclosure)) !== FALSE ) {
+	$sql = sprintf("
+		UPDATE foodDescs set
+			fdgrp_cd = '%s',
+			long_desc = '%s',
+			shrt_desc = '%s',
+			comname = '%s',
+			manufacname = '%s',
+			survey = '%s',
+			ref_desc = '%s',
+			refuse = '%s',
+			sciname = '%s',
+			n_factor = '%s',
+			pro_factor = '%s',
+			fat_factor = '%s',
+			cho_factor = '%s'
+		WHERE ndb_no = '%s'
+		",
+		$row[1],
+		addslashes($row[2]),
+		addslashes($row[3]),
+		addslashes($row[4]),
+		addslashes($row[5]),
+		$row[6],
+		addslashes($row[7]),
+		$row[8],
+		addslashes($row[9]),
+		$row[10],
+		$row[11],
+		$row[12],
+		$row[13],
+		$row[0]
+	);
+	$db->Modify($sql);
+	if ( $db->_error ) {
+		fwrite($fh_log, "\tERROR modifying ndb_no {$row[0]}: $db->_error\n");
+	} elseif ( $db->_affectedRows != 1 ) {
+		fwrite($fh_log, "\tWARNING: nothing modified for ndb_no {$row[0]}.\n");
+	} else {
+		$idx++;
+	}
+}
+fwrite($fh_log, "\tUpdated $idx records in table foodDescs.\n");
+
+?>