feat: merge conflict resolution, site management, UI fixes

internal/repository/site_repo.go

@@ -0,0 +1,56 @@
+// Package repository — PT 站点数据访问层。
+package repository
+
+import (
+	"context"
+	"errors"
+
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+// SiteRepository persists model.Site records.
+type SiteRepository struct{ db *gorm.DB }
+
+// Create inserts a new site.
+func (r *SiteRepository) Create(ctx context.Context, s *model.Site) error {
+	return r.db.WithContext(ctx).Create(s).Error
+}
+
+// FindByID returns the site by ID, or (nil, nil) when absent.
+func (r *SiteRepository) FindByID(ctx context.Context, id string) (*model.Site, error) {
+	var s model.Site
+	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 all sites ordered by name.
+func (r *SiteRepository) List(ctx context.Context) ([]model.Site, error) {
+	var rows []model.Site
+	err := r.db.WithContext(ctx).Order("name asc").Find(&rows).Error
+	return rows, err
+}
+
+// ListEnabled returns all enabled sites.
+func (r *SiteRepository) ListEnabled(ctx context.Context) ([]model.Site, error) {
+	var rows []model.Site
+	err := r.db.WithContext(ctx).Where("enabled = ?", true).Order("name asc").Find(&rows).Error
+	return rows, err
+}
+
+// Update updates site fields.
+func (r *SiteRepository) Update(ctx context.Context, s *model.Site) error {
+	return r.db.WithContext(ctx).Save(s).Error
+}
+
+// Delete removes a site (soft-delete).
+func (r *SiteRepository) Delete(ctx context.Context, id string) error {
+	return r.db.WithContext(ctx).Delete(&model.Site{}, "id = ?", id).Error
+}