Lay groundwork and move sessions to 'store'

internal/store/db/sessions.go

@@ -0,0 +1,36 @@
+package db
+
+import (
+	"fmt"
+	"github.com/aclindsa/moneygo/internal/models"
+	"time"
+)
+
+func (tx *Tx) InsertSession(session *models.Session) error {
+	return tx.Insert(session)
+}
+
+func (tx *Tx) GetSession(secret string) (*models.Session, error) {
+	var s models.Session
+
+	err := tx.SelectOne(&s, "SELECT * from sessions where SessionSecret=?", secret)
+	if err != nil {
+		return nil, err
+	}
+
+	if s.Expires.Before(time.Now()) {
+		tx.Delete(&s)
+		return nil, fmt.Errorf("Session has expired")
+	}
+	return &s, nil
+}
+
+func (tx *Tx) SessionExists(secret string) (bool, error) {
+	existing, err := tx.SelectInt("SELECT count(*) from sessions where SessionSecret=?", secret)
+	return existing != 0, err
+}
+
+func (tx *Tx) DeleteSession(session *models.Session) error {
+	_, err := tx.Delete(session)
+	return err
+}