From ca3602e07c9a4c12e227761db8b43a875d19c548 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Wed, 23 Jun 2010 16:06:50 -0300
Subject: Adding IsisConnector class
---
classes/IsisConnector.php | 154 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 154 insertions(+)
create mode 100644 classes/IsisConnector.php
(limited to 'classes')
diff --git a/classes/IsisConnector.php b/classes/IsisConnector.php
new file mode 100644
index 0000000..6052454
--- /dev/null
+++ b/classes/IsisConnector.php
@@ -0,0 +1,154 @@
+<?php
+
+class IsisConnector {
+ /**
+ * Constructor.
+ */
+ public function __construct() {
+ $this->isis = new CinisisDb();
+
+ if ($this->isis->db) {
+ $this->rows = $this->isis->db->rows();
+ $this->format = $this->isis->db->format;
+ $this->fields = $this->format['fields'];
+ }
+ else {
+ return FALSE;
+ }
+ }
+
+ /**
+ * Alias to $isis->db->read().
+ */
+ public function read($row) {
+ // Always store the last result.
+ $this->result = $this->isis->db->read($row);
+
+ // Return the result.
+ return $this->result;
+ }
+
+ /**
+ * Get the value of a given field.
+ */
+ public function getField($field, $row = 0) {
+ if (isset($this->result[$field['name']][$row]['field'])) {
+ return $this->result[$field['name']][$row]['field'];
+ }
+ }
+
+ /**
+ * Get the value of a given subfield.
+ */
+ public function getSubfield($field, $subfield, $row = 0) {
+ if (isset($this->result[$field['name']][$row]['subfields'][$subfield])) {
+ return $this->result[$field['name']][$row]['subfields'][$subfield];
+ }
+ }
+
+ /**
+ * Get the list of subfields from a given field.
+ */
+ public function getSubfields($field) {
+ if (isset($field['subfields'])) {
+ return $field['subfields'];
+ }
+ return array();
+ }
+
+ /**
+ * Determine which model field an ISIS db field should
+ * be mapped to.
+ *
+ * Map format:
+ *
+ * map:
+ * type: relation
+ *
+ * map:
+ * type: value
+ * field: dest
+ * subfields:
+ * a: dest
+ * b: dest
+ *
+ * Examples:
+ *
+ * map:
+ * type: Performer
+ *
+ * map:
+ * type: value
+ * field: title
+ * subfields:
+ * a: subtitle
+ *
+ * @todo Convert field and subfield names to valid field names.
+ */
+ public function getMap($field, $subfield = NULL) {
+ if ($subfield == NULL) {
+ if (isset($field['map']['field'])) {
+ // Custom map provided.
+ $dest = 'set'. ucfirst($field['map']['field']);
+ }
+ else {
+ // Default map.
+ $dest = 'set'. ucfirst($field['name']);
+ }
+ }
+ else {
+ $key = $this->getSubfieldKey($field, $subfield);
+
+ if (isset($field['map']['subfields'][$key])) {
+ // Custom map provided.
+ $dest = 'set'. ucfirst($field['map']['subfields'][$key]);
+ }
+ else {
+ // Default map.
+ $dest = 'set'. ucfirst($subfield);
+ }
+ }
+
+ return $dest;
+ }
+
+ /**
+ * Get the mapping type of a given field.
+ */
+ public function getMapType($field) {
+ return isset($field['map']['type']) ? $field['map']['type'] : FALSE;
+ }
+
+ /**
+ * Check on an ISIS schema whether a field has a map.
+ */
+ public function fieldHasMap($field) {
+ if (isset($field['map']['field'])) {
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ /**
+ * Check on an ISIS schema whether a subfield has a map.
+ */
+ public function subfieldHasMap($field, $subfield) {
+ if (isset($field['map']['subfields'])) {
+ $key = $this->getSubfieldKey($field, $subfield);
+ if (isset($field['map']['subfields'][$key])) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+ }
+
+ /**
+ * Get the key of a subfield entry.
+ */
+ public function getSubfieldKey($field, $subfield) {
+ $keys = array_flip($field['subfields']);
+ if (isset($keys[$subfield])) {
+ return $keys[$subfield];
+ }
+ }
+}
--
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