feat: list all billing accounts via admin APIs

- raystack/proton#340

Signed-off-by: Kush Sharma <[email protected]>

Makefile

@@ -4,7 +4,7 @@ TAG := $(shell git rev-list --tags --max-count=1)
 VERSION := $(shell git describe --tags ${TAG})
 .PHONY: build check fmt lint test test-race vet test-cover-html help install proto ui
 .DEFAULT_GOAL := build
-PROTON_COMMIT := "7946dab27af53879cbc694da726432727e85c336"
+PROTON_COMMIT := "af92b2d5dbd43c1aa8a9054449ee662f22e01442"
 
 ui:
 	@echo " > generating ui build"

internal/api/v1beta1/billing_customer.go

@@ -68,6 +68,30 @@ func (h Handler) CreateBillingAccount(ctx context.Context, request *frontierv1be
 	}, nil
 }
 
+func (h Handler) ListAllBillingAccounts(ctx context.Context, request *frontierv1beta1.ListAllBillingAccountsRequest) (*frontierv1beta1.ListAllBillingAccountsResponse, error) {
+	logger := grpczap.Extract(ctx)
+	var customers []*frontierv1beta1.BillingAccount
+	customerList, err := h.customerService.List(ctx, customer.Filter{
+		OrgID: request.GetOrgId(),
+	})
+	if err != nil {
+		logger.Error(err.Error())
+		return nil, grpcInternalServerError
+	}
+	for _, v := range customerList {
+		customerPB, err := transformCustomerToPB(v)
+		if err != nil {
+			logger.Error(err.Error())
+			return nil, grpcInternalServerError
+		}
+		customers = append(customers, customerPB)
+	}
+
+	return &frontierv1beta1.ListAllBillingAccountsResponse{
+		BillingAccounts: customers,
+	}, nil
+}
+
 func (h Handler) ListBillingAccounts(ctx context.Context, request *frontierv1beta1.ListBillingAccountsRequest) (*frontierv1beta1.ListBillingAccountsResponse, error) {
 	logger := grpczap.Extract(ctx)
 	if request.GetOrgId() == "" {

pkg/server/interceptors/authorization.go

@@ -802,6 +802,9 @@ var authorizationValidationMap = map[string]func(ctx context.Context, handler *v
 	"/raystack.frontier.v1beta1.AdminService/ListAllInvoices": func(ctx context.Context, handler *v1beta1.Handler, req any) error {
 		return handler.IsSuperUser(ctx)
 	},
+	"/raystack.frontier.v1beta1.AdminService/ListAllBillingAccounts": func(ctx context.Context, handler *v1beta1.Handler, req any) error {
+		return handler.IsSuperUser(ctx)
+	},
 }
 
 // stripeTestClockEnabledEndpoints is a map of endpoints that are allowed to use stripe test clock

proto/apidocs.swagger.yaml

@@ -65,6 +65,47 @@ paths:
             $ref: '#/definitions/rpcStatus'
       tags:
         - Authz
+  /v1beta1/admin/billing/accounts:
+    get:
+      summary: List all billing accounts
+      description: Lists all the billing accounts from all the organizations in a Frontier instance. It can be filtered by organization.
+      operationId: AdminService_ListAllBillingAccounts
+      responses:
+        "200":
+          description: A successful response.
+          schema:
+            $ref: '#/definitions/v1beta1ListAllBillingAccountsResponse'
+        "400":
+          description: Bad Request - The request was malformed or contained invalid parameters.
+          schema:
+            $ref: '#/definitions/rpcStatus'
+        "401":
+          description: Unauthorized - Authentication is required
+          schema:
+            $ref: '#/definitions/rpcStatus'
+        "403":
+          description: Forbidden - User does not have permission to access the resource
+          schema:
+            $ref: '#/definitions/rpcStatus'
+        "404":
+          description: Not Found - The requested resource was not found
+          schema:
+            $ref: '#/definitions/rpcStatus'
+        "500":
+          description: Internal Server Error. Returned when theres is something wrong with Frontier server.
+          schema:
+            $ref: '#/definitions/rpcStatus'
+        default:
+          description: An unexpected error response.
+          schema:
+            $ref: '#/definitions/rpcStatus'
+      parameters:
+        - name: org_id
+          in: query
+          required: false
+          type: string
+      tags:
+        - Billing
   /v1beta1/admin/billing/invoices:
     get:
       summary: List all invoices
@@ -9023,6 +9064,14 @@ definitions:
         type: string
         title: RSA private key as string
         readOnly: true
+  v1beta1ListAllBillingAccountsResponse:
+    type: object
+    properties:
+      billing_accounts:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/v1beta1BillingAccount'
   v1beta1ListAllInvoicesResponse:
     type: object
     properties: