feat(webui): implement states list

pkg/database/states.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"slices"
 	"time"
+
+	"git.adyxax.org/adyxax/tfstated/pkg/model"
 )
 
 // returns true in case of successful deletion
@@ -43,6 +45,34 @@ func (db *DB) GetState(path string) ([]byte, error) {
 	return db.dataEncryptionKey.DecryptAES256(encryptedData)
 }
 
+func (db *DB) LoadStatesByPath() ([]model.State, error) {
+	rows, err := db.Query(
+		`SELECT created, id, lock, path, updated FROM states;`)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load states from database: %w", err)
+	}
+	defer rows.Close()
+	states := make([]model.State, 0)
+	for rows.Next() {
+		var state model.State
+		var (
+			created int64
+			updated int64
+		)
+		err = rows.Scan(&created, &state.Id, &state.Lock, &state.Path, &updated)
+		if err != nil {
+			return nil, fmt.Errorf("failed to load states from row: %w", err)
+		}
+		state.Created = time.Unix(created, 0)
+		state.Updated = time.Unix(updated, 0)
+		states = append(states, state)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to load states from rows: %w", err)
+	}
+	return states, nil
+}
+
 // returns true in case of id mismatch
 func (db *DB) SetState(path string, accountID int, data []byte, lockID string) (bool, error) {
 	encryptedData, err := db.dataEncryptionKey.EncryptAES256(data)