From bea5d9c144ef9f6a31b2ac45530f485d9730f2b0 Mon Sep 17 00:00:00 2001
From: Kenzo Tanaka <kenzo.tanaka0107@gmail.com>
Date: Wed, 28 Oct 2026 11:38:02 +0900
Subject: [PATCH] Parse template version warnings as an array

SendGrid returns `warnings` as an array of objects, so GetTemplateVersion failed to unmarshal versions that had warnings.

Refs kenzo0107/terraform-provider-sendgrid#223

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 template_version.go      | 26 +++++++++++++-------------
 template_version_test.go | 10 +++++++++-
 2 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/template_version.go b/template_version.go
index 71604c3..9b991d5 100644
--- a/template_version.go
+++ b/template_version.go
@@ -6,19 +6,19 @@ import (
 )
 
 type OutputGetTemplateVersion struct {
-	ID                   string  `json:"id,omitempty"`
-	TemplateID           string  `json:"template_id,omitempty"`
-	Active               int     `json:"active,omitempty"`
-	Name                 string  `json:"name,omitempty"`
-	HTMLContent          string  `json:"html_content,omitempty"`
-	PlainContent         string  `json:"plain_content,omitempty"`
-	GeneratePlainContent bool    `json:"generate_plain_content,omitempty"`
-	Subject              string  `json:"subject,omitempty"`
-	Editor               string  `json:"editor,omitempty"`
-	TestData             string  `json:"test_data,omitempty"`
-	UpdatedAt            string  `json:"updated_at,omitempty"`
-	Warnings             Warning `json:"warnings,omitempty"`
-	ThumbnailURL         string  `json:"thumbnail_url,omitempty"`
+	ID                   string    `json:"id,omitempty"`
+	TemplateID           string    `json:"template_id,omitempty"`
+	Active               int       `json:"active,omitempty"`
+	Name                 string    `json:"name,omitempty"`
+	HTMLContent          string    `json:"html_content,omitempty"`
+	PlainContent         string    `json:"plain_content,omitempty"`
+	GeneratePlainContent bool      `json:"generate_plain_content,omitempty"`
+	Subject              string    `json:"subject,omitempty"`
+	Editor               string    `json:"editor,omitempty"`
+	TestData             string    `json:"test_data,omitempty"`
+	UpdatedAt            string    `json:"updated_at,omitempty"`
+	Warnings             []Warning `json:"warnings,omitempty"`
+	ThumbnailURL         string    `json:"thumbnail_url,omitempty"`
 }
 
 // see: https://docs.sendgrid.com/api-reference/transactional-templates-versions/retrieve-a-specific-transactional-template-version
diff --git a/template_version_test.go b/template_version_test.go
index 917295b..1548bd0 100644
--- a/template_version_test.go
+++ b/template_version_test.go
@@ -23,7 +23,12 @@ func TestGetTemplateVersion(t *testing.T) {
 			"name": "dummy",
 			"generate_plain_content": true,
 			"updated_at": "2024-01-20 08:46:07",
-			"editor": "code"
+			"editor": "code",
+			"warnings": [
+				{
+					"message": "Failed to validate handlebars"
+				}
+			]
 		  }`); err != nil {
 			t.Fatal(err)
 		}
@@ -43,6 +48,9 @@ func TestGetTemplateVersion(t *testing.T) {
 		GeneratePlainContent: true,
 		UpdatedAt:            "2024-01-20 08:46:07",
 		Editor:               "code",
+		Warnings: []Warning{
+			{Message: "Failed to validate handlebars"},
+		},
 	}
 	if !reflect.DeepEqual(want, expected) {
 		t.Fatal(ErrIncorrectResponse, errors.New(pretty.Compare(want, expected)))