gotosocial/internal/db/service.go

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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package db
import (
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"context"
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"fmt"
"strings"
"github.com/go-fed/activity/pub"
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"github.com/sirupsen/logrus"
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)
const dbTypePostgres string = "POSTGRES"
// Service provides methods for interacting with an underlying database (for now, just postgres).
// The function mapping lines up with the Database interface described in go-fed.
// See here: https://github.com/go-fed/activity/blob/master/pub/database.go
type Service interface {
/*
GO-FED DATABASE FUNCTIONS
*/
pub.Database
/*
ANY ADDITIONAL DESIRED FUNCTIONS
*/
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Stop(context.Context) error
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}
// Config provides configuration options for the database connection
type Config struct {
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Type string `json:"type,omitempty"`
Address string `json:"address,omitempty"`
Port int `json:"port,omitempty"`
User string `json:"user,omitempty"`
Password string `json:"password,omitempty"`
PasswordFile string `json:"passwordFile,omitempty"`
Database string `json:"database,omitempty"`
ApplicationName string `json:"applicationName,omitempty"`
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}
// NewService returns a new database service that satisfies the Service interface and, by extension,
// the go-fed database interface described here: https://github.com/go-fed/activity/blob/master/pub/database.go
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func NewService(context context.Context, config *Config, log *logrus.Logger) (Service, error) {
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switch strings.ToUpper(config.Type) {
case dbTypePostgres:
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return newPostgresService(context, config, log.WithField("service", "db"))
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default:
return nil, fmt.Errorf("database type %s not supported", config.Type)
}
}