add default project_id

Author: jremy42

Diff for: internal/services/tem/helpers.go

@@ -1,13 +1,17 @@
 package tem
 
 import (
+	"context"
 	"time"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	accountSDK "github.com/scaleway/scaleway-sdk-go/api/account/v3"
 	tem "github.com/scaleway/scaleway-sdk-go/api/tem/v1alpha1"
 	"github.com/scaleway/scaleway-sdk-go/scw"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/locality/regional"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/meta"
+	"github.com/scaleway/terraform-provider-scaleway/v2/internal/services/account"
+	"github.com/scaleway/terraform-provider-scaleway/v2/internal/types"
 )
 
 const (
@@ -39,3 +43,16 @@ func NewAPIWithRegionAndID(m interface{}, id string) (*tem.API, scw.Region, stri
 
 	return api, region, id, nil
 }
+
+func getDefaultProjectID(ctx context.Context, m interface{}) (string, error) {
+	accountAPI := account.NewProjectAPI(m)
+
+	res, err := accountAPI.ListProjects(&accountSDK.ProjectAPIListProjectsRequest{
+		Name: types.ExpandStringPtr("default"),
+	}, scw.WithContext(ctx))
+	if err != nil {
+		return "", err
+	}
+
+	return res.Projects[0].ID, nil
+}

Diff for: internal/services/tem/offer_subscription_data_source.go

@@ -76,6 +76,13 @@ func DataSourceOfferSubscriptionRead(ctx context.Context, d *schema.ResourceData
 
 	projectID := d.Get("project_id").(string)
 
+	if projectID == "" {
+		_, err = getDefaultProjectID(ctx, m)
+		if err != nil {
+			return diag.FromErr(err)
+		}
+	}
+
 	offer, err := api.ListOfferSubscriptions(&tem.ListOfferSubscriptionsRequest{
 		Region:    region,
 		ProjectID: projectID,