create APIErrorDiagnostic helper

internal/hcclient/error_framework.go

@@ -0,0 +1,56 @@
+package hcclient
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-framework/diag"
+
+	"github.com/hetznercloud/hcloud-go/hcloud"
+)
+
+func APIErrorDiagnostic(resource string, err error) diag.Diagnostics {
+	var diagnostics diag.Diagnostics
+	var hcloudErr hcloud.Error
+
+	if errors.As(err, &hcloudErr) {
+		if hcloud.IsError(hcloudErr, hcloud.ErrorCodeInvalidInput) {
+			ie := hcloudErr.Details.(hcloud.ErrorDetailsInvalidInput)
+			for _, v := range ie.Fields {
+				diagnostics.AddError(
+					"Invalid field in API request",
+					fmt.Sprintf(
+						`An invalid field was encountered while doing the request to %s. The field might not map 1:1 to your terraform resource.
+
+%s => %s
+
+Error code: %s
+`,
+						resource, v.Name, v.Messages, hcloudErr.Code,
+					))
+			}
+			return diagnostics
+		}
+
+		diagnostics.AddError(
+			fmt.Sprintf("Request to %s failed", resource),
+			fmt.Sprintf(
+				`An unexpected error was encountered while doing the request to %s.
+%s
+
+Error code: %s`,
+				resource, hcloudErr.Message, hcloudErr.Code,
+			),
+		)
+		return diagnostics
+	}
+
+	diagnostics.AddError(
+		fmt.Sprintf("Request to %s failed", resource),
+		fmt.Sprintf(
+			"An unexpected error was encountered while doing the request to %s.\n\n%s\n",
+			resource, err.Error(),
+		),
+	)
+	return diagnostics
+}

internal/hcclient/error_framework_test.go

@@ -0,0 +1 @@
+package hcclient