fix: append ?plugin_name to dynamic host catalog create requests

addons/api/addon/adapters/host-catalog.js

@@ -0,0 +1,28 @@
+import ApplicationAdapter from './application';
+import { serializeIntoHash } from '@ember-data/adapter/-private';
+
+export default class HostCatalogAdapter extends ApplicationAdapter {
+  /**
+    Called by the store when a newly created record is
+    saved via the `save` method on a model record instance.
+
+    The `createRecord` method serializes the record and makes an Ajax (HTTP POST) request
+    to a URL computed by `buildURL`.
+
+    See `serialize` for information on how to customize the serialized form
+    of a record.
+
+    @method createRecord
+    @param {Store} store
+    @param {Model} type
+    @param {Snapshot} snapshot
+    @return {Promise} promise
+  */
+  createRecord(store, type, snapshot) {
+    let url = this.buildURL(type.modelName, null, snapshot, 'createRecord');
+    const pluginName = snapshot.attr('plugin')?.name;
+    if (pluginName) url = `${url}?plugin_name=${pluginName}`;
+    const data = serializeIntoHash(store, type, snapshot);
+    return this.ajax(url, 'POST', { data });
+  }
+}

addons/api/app/adapters/host-catalog.js

@@ -0,0 +1 @@
+export { default } from 'api/adapters/host-catalog';

addons/api/mirage/config.js

@@ -270,7 +270,19 @@ export default function () {
       return hostCatalogs.where({ scopeId });
     }
   );
-  this.post('/host-catalogs');
+  this.post(
+    '/host-catalogs',
+    function ({ hostCatalogs }, { queryParams: { plugin_name } }) {
+      const attrs = this.normalizedRequestAttrs();
+      if (plugin_name) {
+        attrs.type = 'plugin';
+        attrs.plugin = {
+          name: plugin_name,
+        };
+      }
+      return hostCatalogs.create(attrs);
+    }
+  );
   this.get('/host-catalogs/:id');
   this.patch('/host-catalogs/:id');
   this.del('/host-catalogs/:id');

addons/api/tests/unit/adapters/host-catalog-test.js

@@ -0,0 +1,12 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Adapter | host catalog', function (hooks) {
+  setupTest(hooks);
+
+  // Replace this with your real tests.
+  test('it exists', function (assert) {
+    let adapter = this.owner.lookup('adapter:host-catalog');
+    assert.ok(adapter);
+  });
+});