scotty/models/interfaces.go
Philipp Wolfer 117014a977
Change project license to GPLv3
Individual files, mainly the models and the HTTP clients stay under MIT
2023-11-22 08:05:23 +01:00

91 lines
2.8 KiB
Go

/*
Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
This file is part of Scotty.
Scotty is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version.
Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
Scotty. If not, see <https://www.gnu.org/licenses/>.
*/
package models
import (
"time"
"github.com/spf13/viper"
"golang.org/x/oauth2"
)
// A listen service backend.
// All listen services must implement this interface.
type Backend interface {
// Return the name of the interface
Name() string
// Initialize the backend from a config.
FromConfig(config *viper.Viper) Backend
}
type ImportBackend interface {
Backend
// If the backend needs to setup resources before starting to import,
// this can be done here.
StartImport() error
// The implementation can perform all steps here to finalize the
// export/import and free used resources.
FinishImport() error
}
// Must be implemented by services supporting the export of listens.
type ListensExport interface {
Backend
// Returns a list of all listens newer then oldestTimestamp.
// The returned list of listens is supposed to be ordered by the
// Listen.ListenedAt timestamp, with the oldest entry first.
ExportListens(oldestTimestamp time.Time, results chan ListensResult, progress chan Progress)
}
// Must be implemented by services supporting the import of listens.
type ListensImport interface {
ImportBackend
// Imports the given list of listens.
ImportListens(export ListensResult, importResult ImportResult, progress chan Progress) (ImportResult, error)
}
// Must be implemented by services supporting the export of loves.
type LovesExport interface {
Backend
// Returns a list of all loves newer then oldestTimestamp.
// The returned list of listens is supposed to be ordered by the
// Love.Created timestamp, with the oldest entry first.
ExportLoves(oldestTimestamp time.Time, results chan LovesResult, progress chan Progress)
}
// Must be implemented by services supporting the import of loves.
type LovesImport interface {
ImportBackend
// Imports the given list of loves.
ImportLoves(export LovesResult, importResult ImportResult, progress chan Progress) (ImportResult, error)
}
// Must be implemented by backends requiring OAuth2 authentication
type OAuth2Authenticator interface {
// Returns OAuth2 config suitable for this backend
OAuth2Config(redirectUrl string) oauth2.Config
// Setup the OAuth2 client
OAuth2Setup(redirectUrl string, token *oauth2.Token) error
}