feat(billing): Add cli subcommand for monthly active user counts

api/billing/custom.go

@@ -0,0 +1,63 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package billing
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	"github.com/hashicorp/boundary/api"
+)
+
+type MonthlyActiveUsersResult struct {
+	Items    []*ActiveUsers
+	response *api.Response
+}
+
+func (r MonthlyActiveUsersResult) GetItems() any {
+	return r.Items
+}
+
+func (r MonthlyActiveUsersResult) GetResponse() *api.Response {
+	return r.response
+}
+
+func (c *Client) MonthlyActiveUsers(ctx context.Context, opt ...Option) (*MonthlyActiveUsersResult, error) {
+	opts, apiOpts := getOpts(opt...)
+
+	if c.client == nil {
+		return nil, fmt.Errorf("nil client")
+	}
+
+	req, err := c.client.NewRequest(ctx, "GET", "billing:monthly-active-users", nil, apiOpts...)
+	if err != nil {
+		return nil, fmt.Errorf("error creating MonthlyActiveUsers request: %w", err)
+	}
+
+	if len(opts.queryMap) > 0 {
+		q := url.Values{}
+		for k, v := range opts.queryMap {
+			q.Add(k, v)
+		}
+		req.URL.RawQuery = q.Encode()
+	}
+
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("error performing client request during MonthlyActiveUsers call: %w", err)
+	}
+
+	mau := new(MonthlyActiveUsersResult)
+	mau.Items = []*ActiveUsers{}
+	apiErr, err := resp.Decode(mau)
+	if err != nil {
+		return nil, fmt.Errorf("error decoding MonthlyActiveUsers response: %w", err)
+	}
+	if apiErr != nil {
+		return nil, apiErr
+	}
+	mau.response = resp
+	return mau, nil
+}