Add edition property to BibliographicRecord

Author: danmichaelo

CHANGELOG.md

@@ -6,7 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-(Nothing yet)
+### Added
+
+- Added edition property to BibliographicRecord.
+  ([da949e6](https://github.com/scriptotek/php-marc/commit/da949e640e86be7498f26d0e74fbb6c26bfcbce3))
 
 ## [2.1.0] - 2019-11-20
 

src/BibliographicRecord.php

@@ -4,6 +4,7 @@
 
 use Scriptotek\Marc\Exceptions\UnknownRecordType;
 use Scriptotek\Marc\Fields\Classification;
+use Scriptotek\Marc\Fields\Edition;
 use Scriptotek\Marc\Fields\Isbn;
 use Scriptotek\Marc\Fields\Person;
 use Scriptotek\Marc\Fields\Publisher;
@@ -65,10 +66,20 @@ public function getTitle()
         return Title::get($this);
     }
 
+    /**
+     * Get 250 as an `Edition` object. Returns null if no such field was found.
+     *
+     * @return Edition
+     */
+    public function getEdition()
+    {
+        return Edition::get($this);
+    }
+
     /**
      * Get 26[04]$b as a `Publisher` object. Returns null if no such field was found.
      *
-     * @return Title
+     * @return Publisher
      */
     public function getPublisher()
     {

src/Fields/Edition.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Scriptotek\Marc\Fields;
+
+use Scriptotek\Marc\Record;
+
+class Edition extends Field implements FieldInterface
+{
+    public static function get(Record $record)
+    {
+        foreach ($record->query('250') as $field) {
+            return new static($field->getField());
+        }
+    }
+
+    public function __toString()
+    {
+        return $this->sf('a');
+    }
+}

tests/data/examples/bibliographic.json

@@ -4,7 +4,7 @@
     "title": "The eightfold way",
     "publisher": "W.A. Benjamin",
     "pub_year": "1964",
-    "edition": null,
+    "edition": "Third edition",
     "creators": [
         {
             "type": "100",
@@ -38,4 +38,4 @@
     "toc": null,
     "summary": null,
     "part_of": null
-}
+}

tests/data/examples/bibliographic.xml

@@ -34,6 +34,9 @@
         <subfield code="a">The eightfold way</subfield>
         <subfield code="c">Murray Gell-Mann, Yuval Ne'eman</subfield>
     </datafield>
+    <datafield ind1=" " ind2=" " tag="250">
+        <subfield code="a">Third edition</subfield>
+    </datafield>
     <datafield tag="260" ind1=" " ind2=" ">
         <subfield code="a">New York</subfield>
         <subfield code="b">W.A. Benjamin</subfield>
@@ -112,4 +115,4 @@
         <subfield code="k">8</subfield>
         <subfield code="p">4</subfield>
     </datafield>
-</record>
+</record>