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package main
import (
"context"
"errors"
"log/slog"
"os"
"olexsmir.xyz/smutok/internal/config"
"olexsmir.xyz/smutok/internal/freshrss"
"olexsmir.xyz/smutok/internal/store"
)
type app struct {
cfg *config.Config
store *store.Sqlite
freshrss *freshrss.Client
freshrssSyncer *freshrss.Syncer
freshrssWorker *freshrss.Worker
}
func bootstrap(ctx context.Context, outputToFile bool) (*app, error) {
cfg, err := config.New()
if err != nil {
return nil, err
}
if lerr := setupLogger(cfg, outputToFile); lerr != nil {
return nil, lerr
}
store, err := store.NewSQLite(cfg.DBPath)
if err != nil {
return nil, err
}
if merr := store.Migrate(ctx); merr != nil {
return nil, merr
}
fr := freshrss.NewClient(cfg.FreshRSS.Host)
token, err := getAuthToken(ctx, fr, store, cfg)
if err != nil {
return nil, err
}
fr.SetAuthToken(token)
fs := freshrss.NewSyncer(fr, store)
writeToken, err := getWriteToken(ctx, fr, store)
if err != nil {
return nil, err
}
fw := freshrss.NewWorker(fr, store, writeToken)
return &app{
cfg: cfg,
store: store,
freshrss: fr,
freshrssSyncer: fs,
freshrssWorker: fw,
}, nil
}
func getAuthToken(
ctx context.Context,
fr *freshrss.Client,
db *store.Sqlite,
cfg *config.Config,
) (string, error) {
token, err := db.GetToken(ctx)
if err == nil {
return token, nil
}
if !errors.Is(err, store.ErrNotFound) {
return "", err
}
slog.Info("requesting auth key")
token, err = fr.Login(ctx, cfg.FreshRSS.Username, cfg.FreshRSS.Password)
if err != nil {
return "", err
}
if serr := db.SetToken(ctx, token); serr != nil {
return "", serr
}
return token, nil
}
func getWriteToken(ctx context.Context, fr *freshrss.Client, db *store.Sqlite) (string, error) {
token, err := db.GetWriteToken(ctx)
if err == nil {
return token, nil
}
if !errors.Is(err, store.ErrNotFound) {
return "", err
}
slog.Info("requesting write token")
token, err = fr.GetWriteToken(ctx)
if err != nil {
return "", err
}
if serr := db.SetWriteToken(ctx, token); serr != nil {
return "", serr
}
return token, nil
}
var (
ErrUnknownLevel = errors.New("unknown log level")
loggerLevels = map[string]slog.Level{
"info": slog.LevelInfo,
"debug": slog.LevelDebug,
"error": slog.LevelError,
"warn": slog.LevelWarn,
}
)
func setupLogger(cfg *config.Config, outputToFile bool) error {
out := os.Stdout
if outputToFile {
file, err := os.OpenFile(cfg.LogFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o666)
if err != nil {
return err
}
out = file
}
logLevel, ok := loggerLevels[cfg.LogLevel]
if !ok {
return ErrUnknownLevel
}
logger := slog.New(slog.NewTextHandler(out, &slog.HandlerOptions{
Level: logLevel,
}))
slog.SetDefault(logger)
return nil
}
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