VersionFromMrpackFile

modrinth/api/api_test.go

@@ -1,6 +1,9 @@
 package api
 
 import (
+	"errors"
+	"github.com/nothub/mrpack-install/web"
+	"os"
 	"testing"
 )
 
@@ -157,6 +160,27 @@ func TestClient_VersionFromHash(t *testing.T) {
 	}
 }
 
+func TestClient_VersionFromMrpackFile(t *testing.T) {
+	t.Parallel()
+	if _, err := os.Stat("adrena.mrpack"); err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			_, err := web.DefaultClient.DownloadFile("https://cdn.modrinth.com/data/H9OFWiay/versions/GUstmAjF/Adrenaserver-1.4.0%2B1.20.1.fabric.mrpack", ".", "adrena.mrpack")
+			if err != nil {
+				t.Fatal(err)
+			}
+		} else {
+			t.Fatal(err)
+		}
+	}
+	version, err := client.VersionFromMrpackFile("adrena.mrpack")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if version.Id != "GUstmAjF" {
+		t.Fatalf("wrong id! actual=%q expected=%q\n", version.Id, "GUstmAjF")
+	}
+}
+
 func TestClient_GetLatestGameVersion(t *testing.T) {
 	t.Parallel()
 	version, err := client.GetLatestGameVersion()

modrinth/api/endpoints.go

@@ -1,8 +1,11 @@
 package api
 
 import (
+	"crypto/sha512"
 	"errors"
+	"fmt"
 	"net/url"
+	"os"
 )
 
 const apiVersion = "v2"
@@ -188,6 +191,15 @@ func (client *ModrinthClient) VersionFromHash(hash string, algorithm HashAlgo) (
 	return version, nil
 }
 
+func (client *ModrinthClient) VersionFromMrpackFile(path string) (*Version, error) {
+	b, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+	hash := fmt.Sprintf("%x", sha512.Sum512(b))
+	return client.VersionFromHash(hash, "sha512")
+}
+
 // GetLatestGameVersion https://docs.modrinth.com/api-spec/#tag/tags/operation/versionList
 func (client *ModrinthClient) GetLatestGameVersion() (string, error) {
 	u, err := url.Parse(client.BaseUrl + apiVersion + "/tag/game_version")