feat: merge conflict resolution, site management, UI fixes

internal/repository/strm_repo.go

@@ -0,0 +1,82 @@
+// Package repository — STRM 文件记录数据访问层。
+package repository
+
+import (
+	"context"
+	"errors"
+
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+// STRMRepository persists model.STRMRecord records.
+type STRMRepository struct{ db *gorm.DB }
+
+// Create inserts a new STRM record.
+func (r *STRMRepository) Create(ctx context.Context, s *model.STRMRecord) error {
+	return r.db.WithContext(ctx).Create(s).Error
+}
+
+// CreateBatch inserts multiple STRM records.
+func (r *STRMRepository) CreateBatch(ctx context.Context, records []model.STRMRecord) error {
+	if len(records) == 0 {
+		return nil
+	}
+	return r.db.WithContext(ctx).CreateInBatches(records, 100).Error
+}
+
+// FindByID returns the STRM record by ID, or (nil, nil) when absent.
+func (r *STRMRepository) FindByID(ctx context.Context, id string) (*model.STRMRecord, error) {
+	var s model.STRMRecord
+	err := r.db.WithContext(ctx).Where("id = ?", id).First(&s).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &s, nil
+}
+
+// List returns STRM records with optional filters. Supports pagination.
+// Filters: media_id, media_type, protocol
+func (r *STRMRepository) List(ctx context.Context, filters map[string]string, offset, limit int) ([]model.STRMRecord, int64, error) {
+	q := r.db.WithContext(ctx).Model(&model.STRMRecord{})
+
+	if mediaID, ok := filters["media_id"]; ok && mediaID != "" {
+		q = q.Where("media_id = ?", mediaID)
+	}
+	if mediaType, ok := filters["media_type"]; ok && mediaType != "" {
+		q = q.Where("media_type = ?", mediaType)
+	}
+	if protocol, ok := filters["protocol"]; ok && protocol != "" {
+		q = q.Where("protocol = ?", protocol)
+	}
+
+	var total int64
+	if err := q.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	var rows []model.STRMRecord
+	err := q.Order("created_at desc").Offset(offset).Limit(limit).Find(&rows).Error
+	return rows, total, err
+}
+
+// Update updates a STRM record.
+func (r *STRMRepository) Update(ctx context.Context, s *model.STRMRecord) error {
+	return r.db.WithContext(ctx).Save(s).Error
+}
+
+// Delete removes a STRM record (soft-delete).
+func (r *STRMRepository) Delete(ctx context.Context, id string) error {
+	return r.db.WithContext(ctx).Delete(&model.STRMRecord{}, "id = ?", id).Error
+}
+
+// FindByMediaID returns STRM records for a given media ID.
+func (r *STRMRepository) FindByMediaID(ctx context.Context, mediaID string) ([]model.STRMRecord, error) {
+	var rows []model.STRMRecord
+	err := r.db.WithContext(ctx).Where("media_id = ?", mediaID).Find(&rows).Error
+	return rows, err
+}