Refactor internal services (#915)

server/services/encryption/encryption.go

@@ -0,0 +1,72 @@
+// Copyright 2023 Woodpecker Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package encryption
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli/v2"
+
+	"go.woodpecker-ci.org/woodpecker/v2/server/services/encryption/types"
+	"go.woodpecker-ci.org/woodpecker/v2/server/store"
+)
+
+type builder struct {
+	store   store.Store
+	ctx     *cli.Context
+	clients []types.EncryptionClient
+}
+
+func Encryption(ctx *cli.Context, s store.Store) types.EncryptionBuilder {
+	return &builder{store: s, ctx: ctx}
+}
+
+func (b builder) WithClient(client types.EncryptionClient) types.EncryptionBuilder {
+	b.clients = append(b.clients, client)
+	return b
+}
+
+func (b builder) Build() error {
+	enabled, err := b.isEnabled()
+	if err != nil {
+		return err
+	}
+
+	disableFlag := b.ctx.Bool(disableEncryptionConfigFlag)
+
+	keyType, err := b.detectKeyType()
+	if err != nil {
+		return err
+	}
+
+	if !enabled && (disableFlag || keyType == keyTypeNone) {
+		_, err := noEncryptionBuilder{}.WithClients(b.clients).Build()
+		if err != nil {
+			return fmt.Errorf(errTemplateFailedInitializingUnencrypted, err)
+		}
+	}
+	svc, err := b.getService(keyType)
+	if err != nil {
+		return fmt.Errorf(errTemplateFailedInitializing, err)
+	}
+
+	if disableFlag {
+		err := svc.Disable()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}