Files
database-gateway/cmd/gateway/helpers.go
Kirill Zhuravlev 148f2abcbf fix linter warnings
2024-12-18 22:03:00 +01:00

110 lines
3.2 KiB
Go

// Database Gateway provides access to servers with ACL for safe and restricted database interactions.
// Copyright (C) 2024 Kirill Zhuravlev
//
// This program 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.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"context"
"fmt"
"log/slog"
"os"
"github.com/kazhuravlev/database-gateway/internal/app"
"github.com/kazhuravlev/database-gateway/internal/app/rules"
"github.com/kazhuravlev/database-gateway/internal/config"
"github.com/kazhuravlev/database-gateway/internal/migrator"
"github.com/kazhuravlev/database-gateway/internal/pgdb"
"github.com/kazhuravlev/database-gateway/internal/storage"
"github.com/kazhuravlev/database-gateway/internal/storage/migrations"
"github.com/kazhuravlev/just"
"github.com/urfave/cli/v2"
)
func withConfig(action func(c *cli.Context, cfg config.Config) error) cli.ActionFunc { //nolint:gocritic
return func(c *cli.Context) error {
configFilename := c.String(keyConfig)
cfg, err := just.JsonParseTypeF[config.Config](configFilename)
if err != nil {
return fmt.Errorf("parse config: %w", err)
}
return action(c, *cfg)
}
}
func newMigrator(cfg config.PostgresConfig) (*migrator.Migrator, error) { //nolint:gocritic
dbConn, err := pgdb.ConnectToPg(cfg)
if err != nil {
return nil, fmt.Errorf("connect to postgres: %w", err)
}
migratorInst, err := migrator.New(migrator.NewOptions(
migrations.Migrations,
migrations.TableName,
migrations.AbsMigrationsDir,
dbConn,
))
if err != nil {
return nil, fmt.Errorf("create migrator: %w", err)
}
return migratorInst, nil
}
func withApp(
cmd func(context.Context, *cli.Context, config.Config, *app.Service, *slog.Logger) error,
) func(*cli.Context, config.Config) error {
return func(c *cli.Context, cfg config.Config) error {
ctx, cancel := context.WithCancel(c.Context)
defer cancel()
logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
AddSource: false,
Level: slog.LevelInfo,
ReplaceAttr: nil,
}))
logger.Info("start")
migratorInst, err := newMigrator(cfg.Storage)
if err != nil {
return fmt.Errorf("create new migrator: %w", err)
}
if err := migratorInst.Up(); err != nil {
return fmt.Errorf("up all migrations: %w", err)
}
dbConnWrite, err := pgdb.ConnectToPg(cfg.Storage)
if err != nil {
return fmt.Errorf("connect to db: %w", err)
}
storageInst, err := storage.New(storage.NewOptions(logger, dbConnWrite))
if err != nil {
return fmt.Errorf("init storage: %w", err)
}
appInst, err := app.New(app.NewOptions(logger, cfg.Targets, cfg.Users, rules.New(cfg.ACLs), storageInst))
if err != nil {
return fmt.Errorf("create app instance: %w", err)
}
return cmd(ctx, c, cfg, appInst, logger)
}
}