新增签到管理功能

Co-Authored-By: Claude <noreply@anthropic.com>

sign_store.go

@@ -0,0 +1,113 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+func (s *store) ListSigns(opts listOptions) ([]signRecord, error) {
+	opts = normalizeListOptions(opts)
+	var rows []signRecord
+	q := applySignFilters(s.db.Model(&signRecord{}), opts).
+		Order("sign_time DESC").
+		Order("id DESC").
+		Limit(opts.Limit).
+		Offset(opts.Offset)
+	return rows, q.Find(&rows).Error
+}
+
+func (s *store) CountSigns(opts listOptions) (int64, error) {
+	var total int64
+	q := applySignFilters(s.db.Model(&signRecord{}), opts)
+	return total, q.Count(&total).Error
+}
+
+func (s *store) GetSignByID(id uint64) (*signRecord, error) {
+	var row signRecord
+	if err := s.db.Where("id = ?", id).Take(&row).Error; err != nil {
+		return nil, err
+	}
+	return &row, nil
+}
+
+func (s *store) CreateSign(nodeID string, longName, shortName *string, signText string, signTime time.Time) (*signRecord, error) {
+	nodeID = strings.TrimSpace(nodeID)
+	signText = strings.TrimSpace(signText)
+	if nodeID == "" {
+		return nil, fmt.Errorf("node id is required")
+	}
+	if signText == "" {
+		return nil, fmt.Errorf("sign text is required")
+	}
+	if signTime.IsZero() {
+		signTime = time.Now()
+	}
+	row := signRecord{NodeID: nodeID, LongName: trimNullableString(longName), ShortName: trimNullableString(shortName), SignText: signText, SignTime: signTime}
+	if err := s.db.Create(&row).Error; err != nil {
+		return nil, err
+	}
+	return &row, nil
+}
+
+func (s *store) UpdateSign(id uint64, nodeID string, longName, shortName *string, signText string, signTime time.Time) (*signRecord, error) {
+	if id == 0 {
+		return nil, fmt.Errorf("sign id is required")
+	}
+	nodeID = strings.TrimSpace(nodeID)
+	signText = strings.TrimSpace(signText)
+	if nodeID == "" {
+		return nil, fmt.Errorf("node id is required")
+	}
+	if signText == "" {
+		return nil, fmt.Errorf("sign text is required")
+	}
+	if signTime.IsZero() {
+		signTime = time.Now()
+	}
+	if _, err := s.GetSignByID(id); err != nil {
+		return nil, err
+	}
+	updates := map[string]any{"node_id": nodeID, "long_name": trimNullableString(longName), "short_name": trimNullableString(shortName), "sign_text": signText, "sign_time": signTime}
+	if err := s.db.Model(&signRecord{}).Where("id = ?", id).Updates(updates).Error; err != nil {
+		return nil, err
+	}
+	return s.GetSignByID(id)
+}
+
+func (s *store) DeleteSign(id uint64) error {
+	result := s.db.Where("id = ?", id).Delete(&signRecord{})
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected == 0 {
+		return gorm.ErrRecordNotFound
+	}
+	return nil
+}
+
+func applySignFilters(q *gorm.DB, opts listOptions) *gorm.DB {
+	if opts.NodeID != "" {
+		q = q.Where("node_id = ?", opts.NodeID)
+	}
+	if opts.Since != nil {
+		q = q.Where("sign_time >= ?", *opts.Since)
+	}
+	if opts.Until != nil {
+		q = q.Where("sign_time <= ?", *opts.Until)
+	}
+	return q
+}
+
+func trimNullableString(value *string) *string {
+	if value == nil {
+		return nil
+	}
+	trimmed := strings.TrimSpace(*value)
+	if trimmed == "" {
+		return nil
+	}
+	return &trimmed
+}