small refactorings

pkg/service/v0/service.go

@@ -8,7 +8,7 @@ import (
 	v0proto "github.com/owncloud/ocis-thumbnails/pkg/proto/v0"
 	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails"
 	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/imgsource"
-	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolution"
+	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolutions"
 	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/storage"
 )
 
@@ -16,7 +16,7 @@ import (
 func NewService(opts ...Option) v0proto.ThumbnailServiceHandler {
 	options := newOptions(opts...)
 	logger := options.Logger
-	resolutions, err := resolution.Init(options.Config.Thumbnail.Resolutions)
+	resolutions, err := resolutions.New(options.Config.Thumbnail.Resolutions)
 	if err != nil {
 		logger.Fatal().Err(err).Msg("resolutions not configured correctly")
 	}
@@ -39,7 +39,7 @@ func NewService(opts ...Option) v0proto.ThumbnailServiceHandler {
 // Thumbnail implements the GRPC handler.
 type Thumbnail struct {
 	manager     thumbnails.Manager
-	resolutions resolution.Resolutions
+	resolutions resolutions.Resolutions
 	source      imgsource.Source
 	logger      log.Logger
 }

pkg/thumbnails/resolutions/resolution.go

@@ -1,4 +1,4 @@
-package resolution
+package resolutions
 
 import (
 	"fmt"

pkg/thumbnails/resolutions/resolution_test.go

@@ -1,4 +1,4 @@
-package resolution
+package resolutions
 
 import "testing"
 

pkg/thumbnails/resolutions/resolutions.go

@@ -1,4 +1,4 @@
-package resolution
+package resolutions
 
 import (
 	"fmt"
@@ -6,8 +6,8 @@ import (
 	"sort"
 )
 
-// Init creates an instance of Resolutions from resolution strings.
-func Init(rStrs []string) (Resolutions, error) {
+// New creates an instance of Resolutions from resolution strings.
+func New(rStrs []string) (Resolutions, error) {
 	var rs Resolutions
 	for _, rStr := range rStrs {
 		r, err := Parse(rStr)
@@ -47,8 +47,7 @@ func (r Resolutions) ClosestMatch(width, height int) Resolution {
 	var match Resolution
 	minDiff := math.MaxInt32
 
-	for i := 1; i < len(r); i++ {
-		current := r[i]
+	for _, current := range r {
 		len := dimensionLength(current, isLandscape)
 		diff := givenLen - len
 		if diff > 0 {

pkg/thumbnails/resolutions/resolutions_test.go

@@ -1,11 +1,11 @@
-package resolution
+package resolutions
 
 import (
 	"testing"
 )
 
 func TestInitWithEmptyArray(t *testing.T) {
-	rs, err := Init([]string{})
+	rs, err := New([]string{})
 	if err != nil {
 		t.Errorf("Init with an empty array should not fail. Error: %s.\n", err.Error())
 	}
@@ -15,7 +15,7 @@ func TestInitWithEmptyArray(t *testing.T) {
 }
 
 func TestInitWithNil(t *testing.T) {
-	rs, err := Init(nil)
+	rs, err := New(nil)
 	if err != nil {
 		t.Errorf("Init with nil parameter should not fail. Error: %s.\n", err.Error())
 	}
@@ -25,14 +25,14 @@ func TestInitWithNil(t *testing.T) {
 }
 
 func TestInitWithInvalidValuesInArray(t *testing.T) {
-	_, err := Init([]string{"invalid"})
+	_, err := New([]string{"invalid"})
 	if err == nil {
 		t.Error("Init with invalid parameter should fail.\n")
 	}
 }
 
 func TestInit(t *testing.T) {
-	rs, err := Init([]string{"16x16"})
+	rs, err := New([]string{"16x16"})
 	if err != nil {
 		t.Errorf("Init with valid parameter should not fail. Error: %s.\n", err.Error())
 	}
@@ -43,7 +43,7 @@ func TestInit(t *testing.T) {
 
 func TestInitWithMultipleResolutions(t *testing.T) {
 	rStrs := []string{"16x16", "32x32", "64x64", "128x128"}
-	rs, err := Init(rStrs)
+	rs, err := New(rStrs)
 	if err != nil {
 		t.Errorf("Init with valid parameter should not fail. Error: %s.\n", err.Error())
 	}
@@ -54,7 +54,7 @@ func TestInitWithMultipleResolutions(t *testing.T) {
 
 func TestInitWithMultipleResolutionsShouldBeSorted(t *testing.T) {
 	rStrs := []string{"32x32", "64x64", "16x16", "128x128"}
-	rs, err := Init(rStrs)
+	rs, err := New(rStrs)
 	if err != nil {
 		t.Errorf("Init with valid parameter should not fail. Error: %s.\n", err.Error())
 	}
@@ -72,7 +72,7 @@ func TestInitWithMultipleResolutionsShouldBeSorted(t *testing.T) {
 	}
 }
 func TestClosestMatchWithEmptyResolutions(t *testing.T) {
-	rs, _ := Init(nil)
+	rs, _ := New(nil)
 	width := 24
 	height := 24
 
@@ -83,7 +83,7 @@ func TestClosestMatchWithEmptyResolutions(t *testing.T) {
 }
 
 func TestClosestMatch(t *testing.T) {
-	rs, _ := Init([]string{"16x16", "24x24", "32x32", "64x64", "128x128"})
+	rs, _ := New([]string{"16x16", "24x24", "32x32", "64x64", "128x128"})
 	table := [][]int{
 		// width, height, expectedWidth, expectedHeight
 		[]int{17, 17, 24, 24},

pkg/thumbnails/storage/storage.go

@@ -1,12 +1,12 @@
 package storage
 
-import "github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolution"
+import "github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolutions"
 
 // Context combines different attributes needed for storage operations.
 type Context struct {
 	ETag       string
 	Types      []string
-	Resolution resolution.Resolution
+	Resolution resolutions.Resolution
 }
 
 // Storage defines the interface for a thumbnail store.

pkg/thumbnails/thumbnails.go

@@ -6,13 +6,13 @@ import (
 
 	"github.com/nfnt/resize"
 	"github.com/owncloud/ocis-pkg/v2/log"
-	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolution"
+	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/resolutions"
 	"github.com/owncloud/ocis-thumbnails/pkg/thumbnails/storage"
 )
 
 // Context bundles information needed to generate a thumbnail for afile
 type Context struct {
-	Resolution resolution.Resolution
+	Resolution resolutions.Resolution
 	ImagePath  string
 	Encoder    Encoder
 	ETag       string