From 5548f8e97898c858c8a5a8cc8cf6288183cb4c33 Mon Sep 17 00:00:00 2001
From: Michael Brooks <mbrooks@slack-corp.com>
Date: Fri, 9 Oct 2026 12:22:20 -0700
Subject: [PATCH] refactor: remove unused resize image functions

---
 internal/image/image.go      | 33 ---------------------------
 internal/image/image_test.go | 43 ------------------------------------
 2 files changed, 76 deletions(-)

diff --git a/internal/image/image.go b/internal/image/image.go
index 59331568..527def92 100644
--- a/internal/image/image.go
+++ b/internal/image/image.go
@@ -83,36 +83,3 @@ func CropResizeImageRatioToBytes(reader io.Reader, width uint, widthRatio, heigh
 
 	return buf.Bytes(), nil
 }
-
-func ResizeImage(reader io.Reader, width, height uint) (image.Image, error) {
-	originalImage, _, err := image.Decode(reader)
-	if err != nil {
-		return nil, err
-	}
-	return resize.Resize(width, height, originalImage, resize.Lanczos3), nil
-}
-
-func ResizeImageToBytes(reader io.Reader, width, height uint) ([]byte, error) {
-	resizedImg, err := ResizeImage(reader, width, height)
-	if err != nil {
-		return nil, err
-	}
-
-	buf := new(bytes.Buffer)
-	err = png.Encode(buf, resizedImg)
-	if err != nil {
-		return nil, err
-	}
-
-	return buf.Bytes(), nil
-}
-
-func ResizeImageFromFileToBytes(fs afero.Fs, filepath string, width, height uint) ([]byte, error) {
-	reader, err := fs.Open(filepath)
-	if err != nil {
-		return nil, err
-	}
-	defer reader.Close()
-
-	return ResizeImageToBytes(reader, width, height)
-}
diff --git a/internal/image/image_test.go b/internal/image/image_test.go
index 10712e91..3c969b45 100644
--- a/internal/image/image_test.go
+++ b/internal/image/image_test.go
@@ -41,43 +41,6 @@ func createTestPNG(t *testing.T, width, height int) []byte {
 	return buf.Bytes()
 }
 
-func Test_ResizeImage(t *testing.T) {
-	pngData := createTestPNG(t, 100, 100)
-	reader := bytes.NewReader(pngData)
-
-	resized, err := ResizeImage(reader, 50, 50)
-	require.NoError(t, err)
-	assert.NotNil(t, resized)
-	assert.Equal(t, 50, resized.Bounds().Dx())
-	assert.Equal(t, 50, resized.Bounds().Dy())
-}
-
-func Test_ResizeImageToBytes(t *testing.T) {
-	pngData := createTestPNG(t, 100, 100)
-	reader := bytes.NewReader(pngData)
-
-	result, err := ResizeImageToBytes(reader, 50, 50)
-	require.NoError(t, err)
-	assert.NotEmpty(t, result)
-}
-
-func Test_ResizeImageFromFileToBytes(t *testing.T) {
-	pngData := createTestPNG(t, 100, 100)
-	fs := slackdeps.NewFsMock()
-	err := afero.WriteFile(fs, "/test.png", pngData, 0644)
-	require.NoError(t, err)
-
-	result, err := ResizeImageFromFileToBytes(fs, "/test.png", 50, 50)
-	require.NoError(t, err)
-	assert.NotEmpty(t, result)
-}
-
-func Test_ResizeImageFromFileToBytes_FileNotFound(t *testing.T) {
-	fs := slackdeps.NewFsMock()
-	_, err := ResizeImageFromFileToBytes(fs, "/nonexistent.png", 50, 50)
-	assert.Error(t, err)
-}
-
 func Test_CropResizeImageRatio(t *testing.T) {
 	pngData := createTestPNG(t, 200, 100)
 	reader := bytes.NewReader(pngData)
@@ -130,9 +93,3 @@ func Test_CropResizeImageRatioFromFileToBytes_FileNotFound(t *testing.T) {
 	_, err := CropResizeImageRatioFromFileToBytes(fs, "/nonexistent.png", 100, 1, 1)
 	assert.Error(t, err)
 }
-
-func Test_ResizeImage_InvalidReader(t *testing.T) {
-	reader := bytes.NewReader([]byte("not a valid image"))
-	_, err := ResizeImage(reader, 50, 50)
-	assert.Error(t, err)
-}