refactor: split modules and harden scraping workflows

internal/service/emby_user_data.go

@@ -0,0 +1,99 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"strconv"
+	"strings"
+	"time"
+
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+// SetFavorite 把 mediaID 标为 userID 的收藏。
+func (e *EmbyService) SetFavorite(ctx context.Context, userID, mediaID string, favorite bool) error {
+	if favorite {
+		var f model.Favorite
+		err := e.repo.DB.WithContext(ctx).
+			Where("user_id = ? AND media_id = ?", userID, mediaID).First(&f).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return e.repo.DB.WithContext(ctx).Create(&model.Favorite{
+				UserID: userID, MediaID: mediaID,
+			}).Error
+		}
+		return err
+	}
+	return e.repo.DB.WithContext(ctx).
+		Where("user_id = ? AND media_id = ?", userID, mediaID).
+		Delete(&model.Favorite{}).Error
+}
+
+// MarkPlayed 把 mediaID 标为已看（写一个 100% 进度的 history 行）。
+func (e *EmbyService) MarkPlayed(ctx context.Context, userID, mediaID string, played bool) error {
+	if !played {
+		return e.repo.DB.WithContext(ctx).
+			Where("user_id = ? AND media_id = ?", userID, mediaID).
+			Delete(&model.PlaybackHistory{}).Error
+	}
+	m, err := e.repo.Media.FindByID(ctx, mediaID)
+	if err != nil || m == nil {
+		return errors.New("media not found")
+	}
+	dur := int64(m.DurationSec) * 1000
+	if dur <= 0 {
+		dur = 1
+	}
+	return e.repo.History.Upsert(ctx, &model.PlaybackHistory{
+		UserID:     userID,
+		MediaID:    mediaID,
+		PositionMs: dur,
+		DurationMs: dur,
+		WatchedAt:  time.Now(),
+		Completed:  true,
+	})
+}
+
+// RecordProgress 记录播放进度（来自 Emby 客户端的 /Sessions/Playing/Progress）。
+func (e *EmbyService) RecordProgress(ctx context.Context, userID, mediaID string, positionTicks, runtimeTicks int64) error {
+	pos := positionTicks / 10_000
+	dur := runtimeTicks / 10_000
+	if dur <= 0 {
+		// runtimeTicks 缺失时回退到 media.DurationSec
+		if m, _ := e.repo.Media.FindByID(ctx, mediaID); m != nil {
+			dur = int64(m.DurationSec) * 1000
+		}
+	}
+	completed := dur > 0 && pos >= dur*9/10
+	return e.repo.History.Upsert(ctx, &model.PlaybackHistory{
+		UserID:     userID,
+		MediaID:    mediaID,
+		PositionMs: pos,
+		DurationMs: dur,
+		WatchedAt:  time.Now(),
+		Completed:  completed,
+	})
+}
+
+func splitCSV(s string) []string {
+	if strings.TrimSpace(s) == "" {
+		return []string{}
+	}
+	parts := strings.Split(s, ",")
+	out := make([]string, 0, len(parts))
+	for _, p := range parts {
+		p = strings.TrimSpace(p)
+		if p != "" {
+			out = append(out, p)
+		}
+	}
+	return out
+}
+
+func intToStr(v int) string {
+	if v == 0 {
+		return ""
+	}
+	return strconv.Itoa(v)
+}