save first version

2026-05-02 02:55:53 +02:00
parent 65d91d8de2
commit 8482f0cc06
35 changed files with 5579 additions and 0 deletions
@@ -0,0 +1,186 @@
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+)
+
+type Ticket struct {
+	ID             int64
+	TicketNumber   int
+	UserID         string
+	Panel          string
+	Type           string
+	ChannelID      string
+	OpenedAt       time.Time
+	ClaimedBy      sql.NullString
+	ClaimedAt      sql.NullTime
+	ClosedAt       sql.NullTime
+	ClosedBy       sql.NullString
+	Reason         sql.NullString
+	TranscriptPath sql.NullString
+	Status         string
+}
+
+type TicketRepo struct{ db *sql.DB }
+
+func NewTicketRepo(db *sql.DB) *TicketRepo { return &TicketRepo{db: db} }
+
+// nextNumber returns the next ticket_number for the given type within a transaction.
+func (r *TicketRepo) nextNumber(ctx context.Context, tx *sql.Tx, ticketType string) (int, error) {
+	var n int
+	err := tx.QueryRowContext(ctx,
+		`SELECT COALESCE(MAX(ticket_number),0)+1 FROM tickets WHERE type=?`, ticketType,
+	).Scan(&n)
+	return n, err
+}
+
+func (r *TicketRepo) Insert(ctx context.Context, t *Ticket) error {
+	tx, err := r.db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback() //nolint
+
+	n, err := r.nextNumber(ctx, tx, t.Type)
+	if err != nil {
+		return err
+	}
+	t.TicketNumber = n
+
+	res, err := tx.ExecContext(ctx, `
+		INSERT INTO tickets(ticket_number,user_id,panel,type,channel_id,opened_at,status)
+		VALUES(?,?,?,?,?,?,?)`,
+		n, t.UserID, t.Panel, t.Type, t.ChannelID, t.OpenedAt.UTC(), "open",
+	)
+	if err != nil {
+		return fmt.Errorf("insert ticket: %w", err)
+	}
+	t.ID, _ = res.LastInsertId()
+	t.Status = "open"
+	return tx.Commit()
+}
+
+// InsertWithNumber inserts a ticket where TicketNumber is already set (e.g. convocations).
+func (r *TicketRepo) InsertWithNumber(ctx context.Context, t *Ticket) error {
+	res, err := r.db.ExecContext(ctx, `
+		INSERT INTO tickets(ticket_number,user_id,panel,type,channel_id,opened_at,status)
+		VALUES(?,?,?,?,?,?,?)`,
+		t.TicketNumber, t.UserID, t.Panel, t.Type, t.ChannelID, t.OpenedAt.UTC(), "open",
+	)
+	if err != nil {
+		return fmt.Errorf("insert ticket with number: %w", err)
+	}
+	t.ID, _ = res.LastInsertId()
+	t.Status = "open"
+	return nil
+}
+
+func (r *TicketRepo) GetByChannelID(ctx context.Context, channelID string) (*Ticket, error) {
+	row := r.db.QueryRowContext(ctx, `
+		SELECT id,ticket_number,user_id,panel,type,channel_id,opened_at,
+		       claimed_by,claimed_at,closed_at,closed_by,reason,transcript_path,status
+		FROM tickets WHERE channel_id=?`, channelID)
+	return scanTicket(row)
+}
+
+func (r *TicketRepo) GetByID(ctx context.Context, id int64) (*Ticket, error) {
+	row := r.db.QueryRowContext(ctx, `
+		SELECT id,ticket_number,user_id,panel,type,channel_id,opened_at,
+		       claimed_by,claimed_at,closed_at,closed_by,reason,transcript_path,status
+		FROM tickets WHERE id=?`, id)
+	return scanTicket(row)
+}
+
+func (r *TicketRepo) HasOpenTicket(ctx context.Context, userID, ticketType string) (*Ticket, error) {
+	row := r.db.QueryRowContext(ctx, `
+		SELECT id,ticket_number,user_id,panel,type,channel_id,opened_at,
+		       claimed_by,claimed_at,closed_at,closed_by,reason,transcript_path,status
+		FROM tickets WHERE user_id=? AND type=? AND status IN('open','claimed')
+		LIMIT 1`, userID, ticketType)
+	t, err := scanTicket(row)
+	if err == sql.ErrNoRows {
+		return nil, nil
+	}
+	return t, err
+}
+
+func (r *TicketRepo) SetClaimed(ctx context.Context, id int64, staffID string, at time.Time) error {
+	_, err := r.db.ExecContext(ctx,
+		`UPDATE tickets SET status='claimed', claimed_by=?, claimed_at=? WHERE id=?`,
+		staffID, at.UTC(), id)
+	return err
+}
+
+func (r *TicketRepo) SetClosed(ctx context.Context, id int64, closedBy, reason, transcriptPath string, at time.Time) error {
+	_, err := r.db.ExecContext(ctx, `
+		UPDATE tickets SET status='closed', closed_at=?, closed_by=?, reason=?, transcript_path=?
+		WHERE id=?`,
+		at.UTC(), closedBy, reason, transcriptPath, id)
+	return err
+}
+
+func (r *TicketRepo) SetClosedByChannel(ctx context.Context, channelID, reason string) error {
+	_, err := r.db.ExecContext(ctx, `
+		UPDATE tickets SET status='closed', closed_at=?, reason=?
+		WHERE channel_id=? AND status IN('open','claimed')`,
+		time.Now().UTC(), reason, channelID)
+	return err
+}
+
+func (r *TicketRepo) ListOpen(ctx context.Context) ([]*Ticket, error) {
+	rows, err := r.db.QueryContext(ctx, `
+		SELECT id,ticket_number,user_id,panel,type,channel_id,opened_at,
+		       claimed_by,claimed_at,closed_at,closed_by,reason,transcript_path,status
+		FROM tickets WHERE status='open'`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	return scanTickets(rows)
+}
+
+func (r *TicketRepo) UpdateChannelID(ctx context.Context, id int64, newChannelID string) error {
+	_, err := r.db.ExecContext(ctx, `UPDATE tickets SET channel_id=? WHERE id=?`, newChannelID, id)
+	return err
+}
+
+func (r *TicketRepo) NextConvocationNumber(ctx context.Context) (int, error) {
+	tx, err := r.db.BeginTx(ctx, nil)
+	if err != nil {
+		return 0, err
+	}
+	defer tx.Rollback() //nolint
+	var n int
+	if err := tx.QueryRowContext(ctx, `UPDATE convocation_counter SET count=count+1 WHERE id=1 RETURNING count`).Scan(&n); err != nil {
+		return 0, err
+	}
+	return n, tx.Commit()
+}
+
+func scanTicket(row *sql.Row) (*Ticket, error) {
+	var t Ticket
+	err := row.Scan(&t.ID, &t.TicketNumber, &t.UserID, &t.Panel, &t.Type, &t.ChannelID,
+		&t.OpenedAt, &t.ClaimedBy, &t.ClaimedAt, &t.ClosedAt, &t.ClosedBy,
+		&t.Reason, &t.TranscriptPath, &t.Status)
+	if err != nil {
+		return nil, err
+	}
+	return &t, nil
+}
+
+func scanTickets(rows *sql.Rows) ([]*Ticket, error) {
+	var result []*Ticket
+	for rows.Next() {
+		var t Ticket
+		if err := rows.Scan(&t.ID, &t.TicketNumber, &t.UserID, &t.Panel, &t.Type, &t.ChannelID,
+			&t.OpenedAt, &t.ClaimedBy, &t.ClaimedAt, &t.ClosedAt, &t.ClosedBy,
+			&t.Reason, &t.TranscriptPath, &t.Status); err != nil {
+			return nil, err
+		}
+		result = append(result, &t)
+	}
+	return result, rows.Err()
+}