Created animediff package

utils/AnimeTitleDiff.go

@@ -1,22 +0,0 @@
-package utils
-
-// AnimeTitleDiff describes differing titles.
-type AnimeTitleDiff struct {
-	TitleA string
-	TitleB string
-}
-
-// String returns the description.
-func (diff *AnimeTitleDiff) String() string {
-	return "Titles are different"
-}
-
-// DetailsA shows the details for the first anime.
-func (diff *AnimeTitleDiff) DetailsA() string {
-	return diff.TitleA
-}
-
-// DetailsB shows the details for the second anime.
-func (diff *AnimeTitleDiff) DetailsB() string {
-	return diff.TitleB
-}

utils/HashStrings.go

@@ -0,0 +1,17 @@
+package utils
+
+import "github.com/OneOfOne/xxhash"
+
+// HashStringsNoOrder returns a hash of the string slice contents, ignoring order.
+func HashStringsNoOrder(items []string) uint64 {
+	sum := uint64(0)
+
+	for _, item := range items {
+		h := xxhash.NewS64(0)
+		h.Write([]byte(item))
+		numHash := h.Sum64()
+		sum += numHash
+	}
+
+	return sum
+}

utils/MALComparison.go

@@ -3,18 +3,12 @@ package utils
 import (
 	"github.com/animenotifier/arn"
 	"github.com/animenotifier/mal"
+	"github.com/animenotifier/notify.moe/utils/animediff"
 )
 
-// AnimeDiff describes a difference between two anime.
-type AnimeDiff interface {
-	String() string
-	DetailsA() string
-	DetailsB() string
-}
-
 // MALComparison encapsulates the difference between an ARN anime and a MAL anime.
 type MALComparison struct {
 	Anime       *arn.Anime
 	MALAnime    *mal.Anime
-	Differences []AnimeDiff
+	Differences []animediff.Difference
 }

utils/animediff/CanonicalTitle.go

@@ -0,0 +1,22 @@
+package animediff
+
+// CanonicalTitle describes differing titles.
+type CanonicalTitle struct {
+	TitleA string
+	TitleB string
+}
+
+// String returns the description.
+func (diff *CanonicalTitle) String() string {
+	return "Canonical titles are different"
+}
+
+// DetailsA shows the details for the first anime.
+func (diff *CanonicalTitle) DetailsA() string {
+	return diff.TitleA
+}
+
+// DetailsB shows the details for the second anime.
+func (diff *CanonicalTitle) DetailsB() string {
+	return diff.TitleB
+}

utils/animediff/Genres.go

@@ -1,24 +1,24 @@
-package utils
+package animediff
 
 import "strings"
 
-// AnimeGenresDiff describes differing genres.
-type AnimeGenresDiff struct {
+// Genres describes differing genres.
+type Genres struct {
 	GenresA []string
 	GenresB []string
 }
 
 // String returns the description.
-func (diff *AnimeGenresDiff) String() string {
+func (diff *Genres) String() string {
 	return "Genres are different"
 }
 
 // DetailsA shows the details for the first anime.
-func (diff *AnimeGenresDiff) DetailsA() string {
+func (diff *Genres) DetailsA() string {
 	return strings.Join(diff.GenresA, ", ")
 }
 
 // DetailsB shows the details for the second anime.
-func (diff *AnimeGenresDiff) DetailsB() string {
+func (diff *Genres) DetailsB() string {
 	return strings.Join(diff.GenresB, ", ")
 }

utils/animediff/Interface.go

@@ -0,0 +1,8 @@
+package animediff
+
+// Difference describes a difference between two anime.
+type Difference interface {
+	String() string
+	DetailsA() string
+	DetailsB() string
+}

utils/animediff/JapaneseTitle.go

@@ -0,0 +1,22 @@
+package animediff
+
+// JapaneseTitle describes differing Japanese titles.
+type JapaneseTitle struct {
+	TitleA string
+	TitleB string
+}
+
+// String returns the description.
+func (diff *JapaneseTitle) String() string {
+	return "Japanese titles are different"
+}
+
+// DetailsA shows the details for the first anime.
+func (diff *JapaneseTitle) DetailsA() string {
+	return diff.TitleA
+}
+
+// DetailsB shows the details for the second anime.
+func (diff *JapaneseTitle) DetailsB() string {
+	return diff.TitleB
+}