Introduce di into the project

di/db.go

@@ -0,0 +1,77 @@
+package di
+
+import (
+	"github.com/goava/di"
+	"github.com/spf13/viper"
+
+	dbModule "github.com/elyby/chrly/db"
+	"github.com/elyby/chrly/http"
+	"github.com/elyby/chrly/mojangtextures"
+)
+
+var db = di.Options(
+	di.Provide(newRedisFactory, di.WithName("redis")),
+	di.Provide(newFSFactory, di.WithName("fs")),
+	di.Provide(newSkinsRepository),
+	di.Provide(newCapesRepository),
+	di.Provide(newMojangUUIDsRepository),
+	di.Provide(newMojangSignedTexturesStorage),
+)
+
+func newRedisFactory(config *viper.Viper) dbModule.RepositoriesCreator {
+	return &dbModule.RedisFactory{
+		Host:     config.GetString("storage.redis.host"),
+		Port:     config.GetInt("storage.redis.port"),
+		PoolSize: config.GetInt("storage.redis.poolSize"),
+	}
+}
+
+func newFSFactory(config *viper.Viper) dbModule.RepositoriesCreator {
+	return &dbModule.FilesystemFactory{
+		BasePath:     config.GetString("storage.filesystem.basePath"),
+		CapesDirName: config.GetString("storage.filesystem.capesDirName"),
+	}
+}
+
+// v4 had the idea that it would be possible to separate backends for storing skins and capes.
+// But in v5 the storage will be unified, so this is just temporary constructors before large reworking.
+//
+// Since there are no options for selecting target backends,
+// all constants in this case point to static specific implementations.
+
+func newSkinsRepository(container *di.Container) (http.SkinsRepository, error) {
+	var factory dbModule.RepositoriesCreator
+	err := container.Resolve(&factory, di.Name("redis"))
+	if err != nil {
+		return nil, err
+	}
+
+	return factory.CreateSkinsRepository()
+}
+
+func newCapesRepository(container *di.Container) (http.CapesRepository, error) {
+	var factory dbModule.RepositoriesCreator
+	err := container.Resolve(&factory, di.Name("fs"))
+	if err != nil {
+		return nil, err
+	}
+
+	return factory.CreateCapesRepository()
+}
+
+func newMojangUUIDsRepository(container *di.Container) (mojangtextures.UuidsStorage, error) {
+	var factory dbModule.RepositoriesCreator
+	err := container.Resolve(&factory, di.Name("redis"))
+	if err != nil {
+		return nil, err
+	}
+
+	return factory.CreateMojangUuidsRepository()
+}
+
+func newMojangSignedTexturesStorage() mojangtextures.TexturesStorage {
+	texturesStorage := mojangtextures.NewInMemoryTexturesStorage()
+	texturesStorage.Start()
+
+	return texturesStorage
+}