feat: Add support for enterprise billing cost centers API

github/enterprise_billing_cost_centers.go

@@ -0,0 +1,232 @@
+// Copyright 2025 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+	"context"
+	"fmt"
+)
+
+// CostCenter represents an enterprise cost center.
+type CostCenter struct {
+	ID                string                `json:"id"`
+	Name              string                `json:"name"`
+	Resources         []*CostCenterResource `json:"resources"`
+	State             *string               `json:"state,omitempty"`
+	AzureSubscription *string               `json:"azure_subscription,omitempty"`
+}
+
+// CostCenterResource represents a resource assigned to a cost center.
+type CostCenterResource struct {
+	Type string `json:"type"`
+	Name string `json:"name"`
+}
+
+// CostCenters represents a list of cost centers.
+type CostCenters struct {
+	CostCenters []*CostCenter `json:"costCenters,omitempty"`
+}
+
+// CostCenterListOptions specifies optional parameters to the EnterpriseService.ListCostCenters method.
+type CostCenterListOptions struct {
+	State *string `url:"state,omitempty"`
+}
+
+// CostCenterRequest represents a request to create or update a cost center.
+type CostCenterRequest struct {
+	Name *string `json:"name,omitempty"`
+}
+
+// CostCenterResourceRequest represents a request to add or remove resources from a cost center.
+type CostCenterResourceRequest struct {
+	Users         []string `json:"users,omitempty"`
+	Organizations []string `json:"organizations,omitempty"`
+	Repositories  []string `json:"repositories,omitempty"`
+}
+
+// CostCenterAddResourceResponse represents a response from adding resources to a cost center.
+type CostCenterAddResourceResponse struct {
+	Message             *string               `json:"message,omitempty"`
+	ReassignedResources []*ReassignedResource `json:"reassigned_resources,omitempty"`
+}
+
+// ReassignedResource represents a resource that was reassigned from another cost center.
+type ReassignedResource struct {
+	ResourceType       *string `json:"resource_type,omitempty"`
+	Name               *string `json:"name,omitempty"`
+	PreviousCostCenter *string `json:"previous_cost_center,omitempty"`
+}
+
+// CostCenterRemoveResourceResponse represents a response from removing resources from a cost center.
+type CostCenterRemoveResourceResponse struct {
+	Message *string `json:"message,omitempty"`
+}
+
+// CostCenterDeleteResponse represents a response from deleting a cost center.
+type CostCenterDeleteResponse struct {
+	Message         *string `json:"message,omitempty"`
+	ID              *string `json:"id,omitempty"`
+	Name            *string `json:"name,omitempty"`
+	CostCenterState *string `json:"costCenterState,omitempty"`
+}
+
+// ListCostCenters lists all cost centers for an enterprise.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#get-all-cost-centers-for-an-enterprise
+//
+//meta:operation GET /enterprises/{enterprise}/settings/billing/cost-centers
+func (s *EnterpriseService) ListCostCenters(ctx context.Context, enterprise string, opts *CostCenterListOptions) (*CostCenters, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers", enterprise)
+	u, err := addOptions(u, opts)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	costCenters := &CostCenters{}
+	resp, err := s.client.Do(ctx, req, costCenters)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return costCenters, resp, nil
+}
+
+// CreateCostCenter creates a new cost center for an enterprise.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#create-a-new-cost-center
+//
+//meta:operation POST /enterprises/{enterprise}/settings/billing/cost-centers
+func (s *EnterpriseService) CreateCostCenter(ctx context.Context, enterprise string, costCenter CostCenterRequest) (*CostCenter, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers", enterprise)
+
+	req, err := s.client.NewRequest("POST", u, costCenter)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	result := &CostCenter{}
+	resp, err := s.client.Do(ctx, req, result)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return result, resp, nil
+}
+
+// GetCostCenter gets a cost center by ID for an enterprise.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#get-a-cost-center-by-id
+//
+//meta:operation GET /enterprises/{enterprise}/settings/billing/cost-centers/{cost_center_id}
+func (s *EnterpriseService) GetCostCenter(ctx context.Context, enterprise, costCenterID string) (*CostCenter, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers/%v", enterprise, costCenterID)
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	costCenter := &CostCenter{}
+	resp, err := s.client.Do(ctx, req, costCenter)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return costCenter, resp, nil
+}
+
+// UpdateCostCenter updates the name of a cost center.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#update-a-cost-center-name
+//
+//meta:operation PATCH /enterprises/{enterprise}/settings/billing/cost-centers/{cost_center_id}
+func (s *EnterpriseService) UpdateCostCenter(ctx context.Context, enterprise, costCenterID string, costCenter CostCenterRequest) (*CostCenter, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers/%v", enterprise, costCenterID)
+
+	req, err := s.client.NewRequest("PATCH", u, costCenter)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	result := &CostCenter{}
+	resp, err := s.client.Do(ctx, req, result)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return result, resp, nil
+}
+
+// DeleteCostCenter deletes a cost center.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#delete-a-cost-center
+//
+//meta:operation DELETE /enterprises/{enterprise}/settings/billing/cost-centers/{cost_center_id}
+func (s *EnterpriseService) DeleteCostCenter(ctx context.Context, enterprise, costCenterID string) (*CostCenterDeleteResponse, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers/%v", enterprise, costCenterID)
+
+	req, err := s.client.NewRequest("DELETE", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	result := &CostCenterDeleteResponse{}
+	resp, err := s.client.Do(ctx, req, result)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return result, resp, nil
+}
+
+// AddResourcesToCostCenter adds resources to a cost center.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#add-resources-to-a-cost-center
+//
+//meta:operation POST /enterprises/{enterprise}/settings/billing/cost-centers/{cost_center_id}/resource
+func (s *EnterpriseService) AddResourcesToCostCenter(ctx context.Context, enterprise, costCenterID string, resources CostCenterResourceRequest) (*CostCenterAddResourceResponse, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers/%v/resource", enterprise, costCenterID)
+
+	req, err := s.client.NewRequest("POST", u, resources)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	result := &CostCenterAddResourceResponse{}
+	resp, err := s.client.Do(ctx, req, result)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return result, resp, nil
+}
+
+// RemoveResourcesFromCostCenter removes resources from a cost center.
+//
+// GitHub API docs: https://docs.github.com/enterprise-cloud@latest/rest/enterprise-admin/billing#remove-resources-from-a-cost-center
+//
+//meta:operation DELETE /enterprises/{enterprise}/settings/billing/cost-centers/{cost_center_id}/resource
+func (s *EnterpriseService) RemoveResourcesFromCostCenter(ctx context.Context, enterprise, costCenterID string, resources CostCenterResourceRequest) (*CostCenterRemoveResourceResponse, *Response, error) {
+	u := fmt.Sprintf("enterprises/%v/settings/billing/cost-centers/%v/resource", enterprise, costCenterID)
+
+	req, err := s.client.NewRequest("DELETE", u, resources)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	result := &CostCenterRemoveResourceResponse{}
+	resp, err := s.client.Do(ctx, req, result)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return result, resp, nil
+}