Skip heroku_review_app_config.deploy_target.id region lookup for space (

#368)

The current code assumes that the heroku_review_app_config.deploy_target is a region and tries to resolve it to a name, but in the case of a deploy target that is a Private Space, it should remain as the id, as space names would violate the schema and cause breaking changes. This skips the name look up if the type is space.

heroku/resource_heroku_review_app_config.go

@@ -12,6 +12,11 @@ import (
 	heroku "github.com/heroku/heroku-go/v5"
 )
 
+const (
+	DeployTargetTypeSpace = "space"
+	DeployTargeTypeRegion = "region"
+)
+
 func resourceHerokuReviewAppConfig() *schema.Resource {
 	return &schema.Resource{
 		CreateContext: resourceHerokuReviewAppConfigCreate,
@@ -52,7 +57,7 @@ func resourceHerokuReviewAppConfig() *schema.Resource {
 						"type": {
 							Type:         schema.TypeString,
 							Required:     true,
-							ValidateFunc: validation.StringInSlice([]string{"space", "region"}, false),
+							ValidateFunc: validation.StringInSlice([]string{DeployTargetTypeSpace, DeployTargeTypeRegion}, false),
 						},
 					},
 				},
@@ -327,20 +332,30 @@ func resourceHerokuReviewAppConfigRead(ctx context.Context, d *schema.ResourceDa
 
 	deployTarget := make([]map[string]interface{}, 0)
 	if reviewAppConfig.DeployTarget != nil {
-		// Lookup region info as the /review-app-config endpoint returns the region UUID
-		// for the deploy target ID instead of the name (ex. 'us').
-		region, regionGetErr := client.RegionInfo(ctx, reviewAppConfig.DeployTarget.ID)
-		if regionGetErr != nil {
-			diags = append(diags, diag.Diagnostic{
-				Severity: diag.Error,
-				Summary:  fmt.Sprintf("Unable to retrieve region %s", reviewAppConfig.DeployTarget.ID),
-				Detail:   regionGetErr.Error(),
-			})
-			return diags
+		var deployTargetId string
+		switch reviewAppConfig.DeployTarget.Type {
+		case DeployTargeTypeRegion:
+			// Lookup region info as the /review-app-config endpoint returns the region UUID
+			// for the deploy target ID instead of the name (ex. 'us').
+			region, regionGetErr := client.RegionInfo(ctx, reviewAppConfig.DeployTarget.ID)
+			if regionGetErr != nil {
+				diags = append(diags, diag.Diagnostic{
+					Severity: diag.Error,
+					Summary:  fmt.Sprintf("Unable to retrieve region %s", reviewAppConfig.DeployTarget.ID),
+					Detail:   regionGetErr.Error(),
+				})
+				return diags
+			}
+
+			deployTargetId = region.Name
+		case DeployTargetTypeSpace:
+			deployTargetId = reviewAppConfig.DeployTarget.ID
+		default:
+			panic("unknown deploy target type")
 		}
 
 		deployTarget = append(deployTarget, map[string]interface{}{
-			"id":   region.Name,
+			"id":   deployTargetId,
 			"type": reviewAppConfig.DeployTarget.Type,
 		})
 	}