create dicom web api

platform/core/src/DataSources/IWebApiDataSource.js

@@ -0,0 +1,42 @@
+/**
+ * Factory function that creates a new "Web API" data source.
+ * A "Web API" data source is any source that fetches data over
+ * HTTP. This function serves as an "adapter" to wrap those calls
+ * so that all "Web API" data sources have the same interface and can
+ * be used interchangeably.
+ *
+ * It's worth noting that a single implementation of this interface
+ * can define different underlying sources for "read" and "write" operations.
+ */
+function createWebApiDataSource({ query, retrieve }) {
+  const defaultQuery = {
+    studies: {
+      /**
+       * @param {string} params.patientName
+       * @param {string} params.mrn
+       * @param {object} params.studyDate
+       * @param {string} params.description
+       * @param {string} params.modality
+       * @param {string} params.accession
+       * @param {string} params.sortBy
+       * @param {string} params.sortDirection -
+       * @param {number} params.page
+       * @param {number} params.resultsPerPage
+       */
+      mapParams: params => params,
+      requestResults: () => {},
+      processResults: results => results,
+    },
+    series: {},
+    instances: {},
+  };
+
+  const defaultRetrieve = {};
+
+  return {
+    query,
+    retrieve: {},
+  };
+}
+
+export { createWebApiDataSource };