Move users and securities to store

internal/store/db/securities.go

@@ -0,0 +1,95 @@
+package db
+
+import (
+	"fmt"
+	"github.com/aclindsa/moneygo/internal/models"
+)
+
+type SecurityInUseError struct {
+	message string
+}
+
+func (e SecurityInUseError) Error() string {
+	return e.message
+}
+
+func (tx *Tx) GetSecurity(securityid int64, userid int64) (*models.Security, error) {
+	var s models.Security
+
+	err := tx.SelectOne(&s, "SELECT * from securities where UserId=? AND SecurityId=?", userid, securityid)
+	if err != nil {
+		return nil, err
+	}
+	return &s, nil
+}
+
+func (tx *Tx) GetSecurities(userid int64) (*[]*models.Security, error) {
+	var securities []*models.Security
+
+	_, err := tx.Select(&securities, "SELECT * from securities where UserId=?", userid)
+	if err != nil {
+		return nil, err
+	}
+	return &securities, nil
+}
+
+func (tx *Tx) FindMatchingSecurities(userid int64, security *models.Security) (*[]*models.Security, error) {
+	var securities []*models.Security
+
+	_, err := tx.Select(&securities, "SELECT * from securities where UserId=? AND Type=? AND AlternateId=? AND Preciseness=?", userid, security.Type, security.AlternateId, security.Precision)
+	if err != nil {
+		return nil, err
+	}
+	return &securities, nil
+}
+
+func (tx *Tx) InsertSecurity(s *models.Security) error {
+	err := tx.Insert(s)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (tx *Tx) UpdateSecurity(security *models.Security) error {
+	count, err := tx.Update(security)
+	if err != nil {
+		return err
+	}
+	if count != 1 {
+		return fmt.Errorf("Expected to update 1 security, was going to update %d", count)
+	}
+	return nil
+}
+
+func (tx *Tx) DeleteSecurity(s *models.Security) error {
+	// First, ensure no accounts are using this security
+	accounts, err := tx.SelectInt("SELECT count(*) from accounts where UserId=? and SecurityId=?", s.UserId, s.SecurityId)
+
+	if accounts != 0 {
+		return SecurityInUseError{"One or more accounts still use this security"}
+	}
+
+	user, err := tx.GetUser(s.UserId)
+	if err != nil {
+		return err
+	} else if user.DefaultCurrency == s.SecurityId {
+		return SecurityInUseError{"Cannot delete security which is user's default currency"}
+	}
+
+	// Remove all prices involving this security (either of this security, or
+	// using it as a currency)
+	_, err = tx.Exec("DELETE FROM prices WHERE SecurityId=? OR CurrencyId=?", s.SecurityId, s.SecurityId)
+	if err != nil {
+		return err
+	}
+
+	count, err := tx.Delete(s)
+	if err != nil {
+		return err
+	}
+	if count != 1 {
+		return fmt.Errorf("Expected to delete 1 security, was going to delete %d", count)
+	}
+	return nil
+}

internal/store/db/sessions.go

@@ -31,6 +31,12 @@ func (tx *Tx) SessionExists(secret string) (bool, error) {
 }
 
 func (tx *Tx) DeleteSession(session *models.Session) error {
-	_, err := tx.Delete(session)
-	return err
+	count, err := tx.Delete(session)
+	if err != nil {
+		return err
+	}
+	if count != 1 {
+		return fmt.Errorf("Expected to delete 1 user, was going to delete %d", count)
+	}
+	return nil
 }

internal/store/db/users.go

@@ -0,0 +1,86 @@
+package db
+
+import (
+	"fmt"
+	"github.com/aclindsa/moneygo/internal/models"
+)
+
+func (tx *Tx) UsernameExists(username string) (bool, error) {
+	existing, err := tx.SelectInt("SELECT count(*) from users where Username=?", username)
+	return existing != 0, err
+}
+
+func (tx *Tx) InsertUser(user *models.User) error {
+	return tx.Insert(user)
+}
+
+func (tx *Tx) GetUser(userid int64) (*models.User, error) {
+	var u models.User
+
+	err := tx.SelectOne(&u, "SELECT * from users where UserId=?", userid)
+	if err != nil {
+		return nil, err
+	}
+	return &u, nil
+}
+
+func (tx *Tx) GetUserByUsername(username string) (*models.User, error) {
+	var u models.User
+
+	err := tx.SelectOne(&u, "SELECT * from users where Username=?", username)
+	if err != nil {
+		return nil, err
+	}
+	return &u, nil
+}
+
+func (tx *Tx) UpdateUser(user *models.User) error {
+	count, err := tx.Update(user)
+	if err != nil {
+		return err
+	}
+	if count != 1 {
+		return fmt.Errorf("Expected to update 1 user, was going to update %d", count)
+	}
+	return nil
+}
+
+func (tx *Tx) DeleteUser(user *models.User) error {
+	count, err := tx.Delete(user)
+	if err != nil {
+		return err
+	}
+	if count != 1 {
+		return fmt.Errorf("Expected to delete 1 user, was going to delete %d", count)
+	}
+	_, err = tx.Exec("DELETE FROM prices WHERE prices.SecurityId IN (SELECT securities.SecurityId FROM securities WHERE securities.UserId=?)", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM splits WHERE splits.TransactionId IN (SELECT transactions.TransactionId FROM transactions WHERE transactions.UserId=?)", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM transactions WHERE transactions.UserId=?", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM securities WHERE securities.UserId=?", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM accounts WHERE accounts.UserId=?", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM reports WHERE reports.UserId=?", user.UserId)
+	if err != nil {
+		return err
+	}
+	_, err = tx.Exec("DELETE FROM sessions WHERE sessions.UserId=?", user.UserId)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}