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storage.go
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storage.go
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package storage
import (
"context"
"database/sql"
_ "embed"
"errors"
"fmt"
"log/slog"
"os"
"path/filepath"
"strings"
"time"
"github.com/chelmertz/elly/internal/types"
_ "github.com/mattn/go-sqlite3"
)
func check(err error) {
if err != nil {
panic(err)
}
}
type Storage struct {
db *Queries
logger *slog.Logger
}
type StoredState struct {
Prs []types.ViewPr
LastFetched time.Time
}
//go:embed schema.sql
var ddl string
func NewStorage(logger *slog.Logger) *Storage {
dirname, err := os.UserCacheDir()
check(err)
ourCacheDir := filepath.Join(dirname, "elly")
if err := os.MkdirAll(ourCacheDir, 0755); err != nil && !errors.Is(err, os.ErrExist) {
check(err)
}
dbFilename := filepath.Join(ourCacheDir, "elly.db")
db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?mode=rwc&_journal_mode=WAL&_synchronous=NORMAL", dbFilename))
check(err)
// create tables
ctx := context.Background()
if _, err := db.ExecContext(ctx, ddl); err != nil {
check(err)
}
return &Storage{
db: New(db),
logger: logger,
}
}
func (s *Storage) Prs() StoredState {
dbPrs, err := s.db.ListPrs(context.Background())
check(err)
prs := make([]types.ViewPr, 0)
for _, dbPr := range dbPrs {
lastUpdated, err := time.Parse(time.RFC3339, dbPr.LastUpdated)
check(err)
prs = append(prs, types.ViewPr{
Url: dbPr.Url,
ReviewStatus: dbPr.ReviewStatus,
Title: dbPr.Title,
Author: dbPr.Author,
RepoName: dbPr.RepoName,
RepoOwner: dbPr.RepoOwner,
RepoUrl: dbPr.RepoUrl,
IsDraft: dbPr.IsDraft,
LastUpdated: lastUpdated,
LastPrCommenter: dbPr.LastPrCommenter,
UnrespondedThreads: int(dbPr.UnrespondedThreads),
Additions: int(dbPr.Additions),
Deletions: int(dbPr.Deletions),
ReviewRequestedFromUsers: strings.Split(dbPr.ReviewRequestedFromUsers, ","),
Buried: dbPr.Buried,
})
}
state := StoredState{
Prs: prs,
}
if dbLastFetched, err := s.db.GetLastFetched(context.Background()); err == nil {
if lastFetched, err := time.Parse(time.RFC3339, dbLastFetched); err == nil {
state.LastFetched = lastFetched
}
}
return state
}
func (s *Storage) StoreRepoPrs(orderedPrs []types.ViewPr) error {
s.logger.Info("storing prs", slog.Int("prs", len(orderedPrs)))
if err := s.db.DeletePrs(context.Background()); err != nil {
return fmt.Errorf("could not delete old prs, in preparation of storing new ones: %w", err)
}
for _, pr := range orderedPrs {
_, err := s.db.CreatePr(context.Background(), CreatePrParams{
Url: pr.Url,
ReviewStatus: pr.ReviewStatus,
Title: pr.Title,
Author: pr.Author,
RepoName: pr.RepoName,
RepoOwner: pr.RepoOwner,
RepoUrl: pr.RepoUrl,
IsDraft: pr.IsDraft,
LastUpdated: pr.LastUpdated.Format(time.RFC3339),
LastPrCommenter: pr.LastPrCommenter,
UnrespondedThreads: int64(pr.UnrespondedThreads),
Additions: int64(pr.Additions),
Deletions: int64(pr.Deletions),
ReviewRequestedFromUsers: strings.Join(pr.ReviewRequestedFromUsers, ","),
Buried: false,
})
check(err)
}
now := time.Now()
nowFormatted := now.Format(time.RFC3339)
if err := s.db.StoreLastFetched(context.Background(), nowFormatted); err != nil {
return fmt.Errorf("could not store last fetched time: %w", err)
}
return nil
}
func (s *Storage) Bury(prUrl string) error {
return s.db.Bury(context.Background(), prUrl)
}
func (s *Storage) Unbury(prUrl string) error {
return s.db.Unbury(context.Background(), prUrl)
}
func (s *Storage) GetPr(prUrl string) (Pr, error) {
return s.db.GetPr(context.Background(), prUrl)
}