[MM-41290] Add Endpoint to complete onboarding (#19435)

services/marketplace/client.go

@@ -66,6 +66,16 @@ func (c *Client) GetPlugins(request *model.MarketplacePluginFilter) ([]*model.Ba
 }
 
 func (c *Client) GetPlugin(filter *model.MarketplacePluginFilter, pluginVersion string) (*model.BaseMarketplacePlugin, error) {
+	filter.ReturnAllVersions = true
+
+	if filter.PluginId == "" {
+		return nil, errors.New("missing pluginID")
+	}
+
+	if pluginVersion == "" {
+		return nil, errors.New("missing pluginVersion")
+	}
+
 	plugins, err := c.GetPlugins(filter)
 	if err != nil {
 		return nil, err
@@ -78,6 +88,29 @@ func (c *Client) GetPlugin(filter *model.MarketplacePluginFilter, pluginVersion
 	return nil, errors.New("plugin not found")
 }
 
+func (c *Client) GetLatestPlugin(filter *model.MarketplacePluginFilter) (*model.BaseMarketplacePlugin, error) {
+	filter.ReturnAllVersions = false
+
+	if filter.PluginId == "" {
+		return nil, errors.New("no pluginID provided")
+	}
+
+	plugins, err := c.GetPlugins(filter)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(plugins) == 0 {
+		return nil, errors.New("plugin not found")
+	}
+
+	if len(plugins) > 1 {
+		return nil, errors.Errorf("unexpectedly more then one plugin was returned from the marketplace")
+	}
+
+	return plugins[0], nil
+}
+
 // closeBody ensures the Body of an http.Response is properly closed.
 func closeBody(r *http.Response) {
 	if r.Body != nil {