feat: datatypes v2 retrieval

Author: tdeleanu

lib/Services/cayenne.js

@@ -1,3 +1,5 @@
+
+
 class Cayenne {
   /**
    * @param {String} url
@@ -295,6 +297,38 @@ class Cayenne {
     return this.auth.send(this.service, 'GET', url);
   }
 
+   /**
+   * Gets V2 all things data types
+   */
+  getThingDataTypesV2() {
+    const url = `${this.url}/v2/things/datatypes`;
+    return this.auth.send(this.service, 'GET', url);
+  }
+
+  /**
+   * Get V2 one things data type 
+   */
+  getThingDataTypeV2(id) {
+    const url = `${this.url}/v2/things/datatypes/${id}`;
+    return this.auth.send(this.service, 'GET', url);
+  }
+
+  /**
+   * Get V2 one things data type properties
+   */
+  getThingDataTypePropertiesV2(id) {
+    const url = `${this.url}/v2/things/datatypes/${id}/properties`;
+    return this.auth.send(this.service, 'GET', url);
+  }
+
+  /**
+   * Get V2 one things data type property by it's id
+   */
+  getThingDataTypePropertyV2(id, pid) {
+    const url = `${this.url}/v2/things/datatypes/${id}/properties/${pid}`;
+    return this.auth.send(this.service, 'GET', url);
+  }
+
   /**
    * Gets thing types by query
    * @param {Object} query