first commit

internal/db/crud_senders.go

@@ -0,0 +1,90 @@
+package db
+
+import (
+	"database/sql"
+	"errors"
+)
+
+// SenderWithDomain joins a Sender with its Domain's name, mirroring the
+// Sender+Domain join used by senders.py's list view.
+type SenderWithDomain struct {
+	Sender
+	DomainName string
+}
+
+func (d *DB) ListSenders() ([]SenderWithDomain, error) {
+	rows, err := d.Query(`SELECT s.id, s.email, s.password_hash, s.domain_id, s.can_send_as_domain, s.is_active, s.created_at, s.store_message_content, dm.domain_name
+		FROM esrv_senders s JOIN esrv_domains dm ON dm.id = s.domain_id ORDER BY s.email`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []SenderWithDomain
+	for rows.Next() {
+		var s SenderWithDomain
+		var createdAt string
+		if err := rows.Scan(&s.ID, &s.Email, &s.PasswordHash, &s.DomainID, &s.CanSendAsDomain, &s.IsActive, &createdAt, &s.StoreMessageContent, &s.DomainName); err != nil {
+			return nil, err
+		}
+		s.CreatedAt, _ = parseTime(createdAt)
+		out = append(out, s)
+	}
+	return out, rows.Err()
+}
+
+func (d *DB) GetSenderByID(id int64) (*Sender, error) {
+	row := d.QueryRow(`SELECT id, email, password_hash, domain_id, can_send_as_domain, is_active, created_at, store_message_content
+		FROM esrv_senders WHERE id = ?`, id)
+	var s Sender
+	var createdAt string
+	if err := row.Scan(&s.ID, &s.Email, &s.PasswordHash, &s.DomainID, &s.CanSendAsDomain, &s.IsActive, &createdAt, &s.StoreMessageContent); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	s.CreatedAt, _ = parseTime(createdAt)
+	return &s, nil
+}
+
+func (d *DB) CountActiveSenders() (int, error) {
+	var n int
+	err := d.QueryRow(`SELECT COUNT(*) FROM esrv_senders WHERE is_active = 1`).Scan(&n)
+	return n, err
+}
+
+func (d *DB) EmailExists(email string, excludeID int64) (bool, error) {
+	var n int
+	err := d.QueryRow(`SELECT COUNT(*) FROM esrv_senders WHERE lower(email) = lower(?) AND id != ?`, email, excludeID).Scan(&n)
+	return n > 0, err
+}
+
+func (d *DB) CreateSender(email, passwordHash string, domainID int64, canSendAsDomain, storeMessageContent bool) (int64, error) {
+	res, err := d.Exec(`INSERT INTO esrv_senders (email, password_hash, domain_id, can_send_as_domain, is_active, store_message_content)
+		VALUES (?, ?, ?, ?, 1, ?)`, email, passwordHash, domainID, canSendAsDomain, storeMessageContent)
+	if err != nil {
+		return 0, err
+	}
+	return res.LastInsertId()
+}
+
+func (d *DB) UpdateSender(id int64, email, passwordHash string, domainID int64, canSendAsDomain, storeMessageContent bool) error {
+	if passwordHash == "" {
+		_, err := d.Exec(`UPDATE esrv_senders SET email = ?, domain_id = ?, can_send_as_domain = ?, store_message_content = ? WHERE id = ?`,
+			email, domainID, canSendAsDomain, storeMessageContent, id)
+		return err
+	}
+	_, err := d.Exec(`UPDATE esrv_senders SET email = ?, password_hash = ?, domain_id = ?, can_send_as_domain = ?, store_message_content = ? WHERE id = ?`,
+		email, passwordHash, domainID, canSendAsDomain, storeMessageContent, id)
+	return err
+}
+
+func (d *DB) SetSenderActive(id int64, active bool) error {
+	_, err := d.Exec(`UPDATE esrv_senders SET is_active = ? WHERE id = ?`, active, id)
+	return err
+}
+
+func (d *DB) RemoveSender(id int64) error {
+	_, err := d.Exec(`DELETE FROM esrv_senders WHERE id = ?`, id)
+	return err
+}