Create internal filament from external flow done

client/src/pages/vendors/functions.ts

@@ -0,0 +1,48 @@
+import { getAPIURL } from "../../utils/url";
+import { IVendor } from "./model";
+
+/**
+ * Get a vendor given its external ID.
+ */
+export async function getVendorByExternalID(external_id: string): Promise<IVendor | null> {
+  // Make a search using GET and query params
+  const response = await fetch(`${getAPIURL()}/vendor?${new URLSearchParams({ external_id })}`);
+  if (!response.ok) {
+    return null;
+  }
+
+  const data: IVendor[] = await response.json();
+  if (data.length === 0) {
+    return null;
+  }
+
+  return data[0];
+}
+
+/**
+ * Create a new internal filament given an external filament object.
+ * Returns the created internal filament.
+ */
+export async function getOrCreateVendorFromExternal(vendor_external_id: string): Promise<IVendor> {
+  const existingVendor = await getVendorByExternalID(vendor_external_id);
+  if (existingVendor) {
+    return existingVendor;
+  }
+
+  const body: Omit<IVendor, "id" | "registered" | "extra"> = {
+    name: vendor_external_id,
+    external_id: vendor_external_id,
+  };
+
+  const response = await fetch(getAPIURL() + "/vendor", {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify(body),
+  });
+  if (!response.ok) {
+    throw new Error("Network response was not ok");
+  }
+  return response.json();
+}