refactor(api): restructure bolt package (#1981)

* refactor(api): bolt package refactor

* refactor(api): refactor bolt package

api/bolt/migrator/migrator.go

@@ -0,0 +1,174 @@
+package migrator
+
+import (
+	"github.com/boltdb/bolt"
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/endpoint"
+	"github.com/portainer/portainer/bolt/endpointgroup"
+	"github.com/portainer/portainer/bolt/resourcecontrol"
+	"github.com/portainer/portainer/bolt/settings"
+	"github.com/portainer/portainer/bolt/stack"
+	"github.com/portainer/portainer/bolt/user"
+	"github.com/portainer/portainer/bolt/version"
+)
+
+type (
+	// Migrator defines a service to migrate data after a Portainer version update.
+	Migrator struct {
+		currentDBVersion       int
+		db                     *bolt.DB
+		endpointGroupService   *endpointgroup.Service
+		endpointService        *endpoint.Service
+		resourceControlService *resourcecontrol.Service
+		settingsService        *settings.Service
+		stackService           *stack.Service
+		userService            *user.Service
+		versionService         *version.Service
+		fileService            portainer.FileService
+	}
+
+	// Parameters represents the required parameters to create a new Migrator instance.
+	Parameters struct {
+		DB                     *bolt.DB
+		DatabaseVersion        int
+		EndpointGroupService   *endpointgroup.Service
+		EndpointService        *endpoint.Service
+		ResourceControlService *resourcecontrol.Service
+		SettingsService        *settings.Service
+		StackService           *stack.Service
+		UserService            *user.Service
+		VersionService         *version.Service
+		FileService            portainer.FileService
+	}
+)
+
+// NewMigrator creates a new Migrator.
+func NewMigrator(parameters *Parameters) *Migrator {
+	return &Migrator{
+		db:                     parameters.DB,
+		currentDBVersion:       parameters.DatabaseVersion,
+		endpointGroupService:   parameters.EndpointGroupService,
+		endpointService:        parameters.EndpointService,
+		resourceControlService: parameters.ResourceControlService,
+		settingsService:        parameters.SettingsService,
+		stackService:           parameters.StackService,
+		userService:            parameters.UserService,
+		versionService:         parameters.VersionService,
+		fileService:            parameters.FileService,
+	}
+}
+
+// Migrate checks the database version and migrate the existing data to the most recent data model.
+func (m *Migrator) Migrate() error {
+
+	// Portainer < 1.12
+	if m.currentDBVersion < 1 {
+		err := m.updateAdminUserToDBVersion1()
+		if err != nil {
+			return err
+		}
+	}
+
+	// Portainer 1.12.x
+	if m.currentDBVersion < 2 {
+		err := m.updateResourceControlsToDBVersion2()
+		if err != nil {
+			return err
+		}
+		err = m.updateEndpointsToDBVersion2()
+		if err != nil {
+			return err
+		}
+	}
+
+	// Portainer 1.13.x
+	if m.currentDBVersion < 3 {
+		err := m.updateSettingsToDBVersion3()
+		if err != nil {
+			return err
+		}
+	}
+
+	// Portainer 1.14.0
+	if m.currentDBVersion < 4 {
+		err := m.updateEndpointsToDBVersion4()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https://github.com/portainer/portainer/issues/1235
+	if m.currentDBVersion < 5 {
+		err := m.updateSettingsToVersion5()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https://github.com/portainer/portainer/issues/1236
+	if m.currentDBVersion < 6 {
+		err := m.updateSettingsToVersion6()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https://github.com/portainer/portainer/issues/1449
+	if m.currentDBVersion < 7 {
+		err := m.updateSettingsToVersion7()
+		if err != nil {
+			return err
+		}
+	}
+
+	if m.currentDBVersion < 8 {
+		err := m.updateEndpointsToVersion8()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https: //github.com/portainer/portainer/issues/1396
+	if m.currentDBVersion < 9 {
+		err := m.updateEndpointsToVersion9()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https://github.com/portainer/portainer/issues/461
+	if m.currentDBVersion < 10 {
+		err := m.updateEndpointsToVersion10()
+		if err != nil {
+			return err
+		}
+	}
+
+	// https://github.com/portainer/portainer/issues/1906
+	if m.currentDBVersion < 11 {
+		err := m.updateEndpointsToVersion11()
+		if err != nil {
+			return err
+		}
+	}
+
+	// Portainer 1.17.1-dev
+	if m.currentDBVersion < 12 {
+		err := m.updateEndpointsToVersion12()
+		if err != nil {
+			return err
+		}
+
+		err = m.updateEndpointGroupsToVersion12()
+		if err != nil {
+			return err
+		}
+
+		err = m.updateStacksToVersion12()
+		if err != nil {
+			return err
+		}
+	}
+
+	return m.versionService.StoreDBVersion(portainer.DBVersion)
+}