From 92a828f4c469415df718c725c8e2e0587232687e Mon Sep 17 00:00:00 2001
From: martimpassos <martim.passos@ims.com.br>
Date: Thu, 21 Sep 2023 16:32:46 -0300
Subject: [PATCH] Create Resource class

---
 src/resource.js | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/resource.js

diff --git a/src/resource.js b/src/resource.js
new file mode 100644
index 0000000..906f3d4
--- /dev/null
+++ b/src/resource.js
@@ -0,0 +1,44 @@
+const contexts = {
+  "@context": [{
+    "sc": "http://iiif.io/api/presentation/2#",
+    "iiif": "http://iiif.io/api/image/2#",
+    "exif": "http://www.w3.org/2003/12/exif/ns#",
+    "oa": "http://www.w3.org/ns/oa#",
+    "cnt": "http://www.w3.org/2011/content#",
+    "dc": "http://purl.org/dc/elements/1.1/",
+    "dcterms": "http://purl.org/dc/terms/",
+    "dctypes": "http://purl.org/dc/dcmitype/",
+    "doap": "http://usefulinc.com/ns/doap#",
+    "foaf": "http://xmlns.com/foaf/0.1/",
+    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
+    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
+    "xsd": "http://www.w3.org/2001/XMLSchema#",
+    "svcs": "http://rdfs.org/sioc/services#",
+    "as": "http://www.w3.org/ns/activitystreams#",
+  }]
+}
+const ns = (prefix) => (name = '') => `${prefix}${name}`;
+const alias = (ctx, name) => ns((ctx['@context'][0] || ctx['@context'])[name]);
+
+// Create aliases for the namespaces
+const dcterms = alias(contexts, 'dcterms');
+const exif = alias(contexts, 'exif');
+
+function extractValue(data, property) {
+  return data[property]?.[0]['@value'];
+}
+
+class Resource {
+  constructor(data = {}) {
+    this.data = data
+    this.identifier = extractValue(data, dcterms('identifier'));
+    this.title = extractValue(data, dcterms('title'));
+    this.description = extractValue(data, dcterms('description'));
+    this.source = extractValue(data, dcterms('source'));
+    this.rights = extractValue(data, dcterms('rights'));
+    this.latitude = extractValue(data, exif('gpsLatitude'));
+    this.longitude = extractValue(data, exif('gpsLongitude'));
+  }
+}
+
+module.exports = { Resource }
\ No newline at end of file