refactor: split oversized route and subscription modules

internal/service/site_adapter.go

@@ -839,338 +839,6 @@ func parseUNIT3DJSON(data []byte, siteName, baseURL string) (*SiteSearchResult,
 	return result, nil
 }
 
-// ─── MTeam 适配器 ────────────────────────────────────────────────────────────
-
-// MTeamAdapter MTeam.cc 独立站适配器。
-type MTeamAdapter struct {
-	client *http.Client
-}
-
-// NewMTeamAdapter 创建 MTeam 适配器。
-func NewMTeamAdapter() *MTeamAdapter {
-	return &MTeamAdapter{
-		client: &http.Client{Timeout: 30 * time.Second},
-	}
-}
-
-func (a *MTeamAdapter) Authenticate(ctx context.Context, cfg SiteConfig) error {
-	if strings.TrimSpace(cfg.APIKey) == "" {
-		return fmt.Errorf("M-Team 需要填写 API Access Token（控制台 → 实验室 → 存取令牌），不能使用 Cookie 访问开放 API")
-	}
-	// 与 ShukeBta/MediaStation 参考实现对齐：
-	// 用 camelCase 参数（pageNumber / pageSize），同时接受 code 为字符串 "0"
-	// 或数值 0；兼容 M-Team v3 API 不同版本的返回。
-	u := cfg.URL + "/api/torrent/search"
-	payload := `{"pageNumber":1,"pageSize":1,"mode":"all"}`
-	data, status, err := doRequestJSON(ctx, a.client, "POST", u, cfg, []byte(payload))
-	if err != nil {
-		return fmt.Errorf("authenticate: %w", err)
-	}
-	preview := string(data)
-	if len(preview) > 400 {
-		preview = preview[:400] + "..."
-	}
-	if status == http.StatusUnauthorized || status == http.StatusForbidden {
-		return fmt.Errorf("authentication failed: status %d, body=%s", status, preview)
-	}
-	if status >= 300 && status < 400 {
-		return fmt.Errorf("authentication failed: HTTP %d (API Key 无效或未登录), body=%s", status, preview)
-	}
-	if status != http.StatusOK {
-		return fmt.Errorf("authenticate failed: status %d, body=%s", status, preview)
-	}
-	var resp map[string]interface{}
-	if err := json.Unmarshal(data, &resp); err != nil {
-		return fmt.Errorf("parse response: %w (body=%s)", err, preview)
-	}
-	if mteamCodeOK(resp["code"]) {
-		return nil
-	}
-	msg, _ := resp["message"].(string)
-	if msg == "" {
-		msg = fmt.Sprintf("code=%s", mteamCodeString(resp["code"]))
-	}
-	return fmt.Errorf("authentication failed: %s (body=%s)", msg, preview)
-}
-
-func (a *MTeamAdapter) Search(ctx context.Context, cfg SiteConfig, keyword string, page int) (*SiteSearchResult, error) {
-	// 与参考项目对齐：使用 camelCase 字段名，page 从 1 开始。
-	if page <= 0 {
-		page = 1
-	}
-	payload := map[string]interface{}{
-		"keyword":    keyword,
-		"pageNumber": page,
-		"pageSize":   50,
-	}
-	body, _ := json.Marshal(payload)
-
-	u := cfg.URL + "/api/torrent/search"
-	data, status, err := doRequestJSON(ctx, a.client, "POST", u, cfg, body)
-	if err != nil {
-		return nil, fmt.Errorf("search: %w", err)
-	}
-	if status != http.StatusOK {
-		return nil, fmt.Errorf("search failed: status %d", status)
-	}
-
-	return parseMTeamJSON(data, cfg.Name, cfg.URL)
-}
-
-func (a *MTeamAdapter) Browse(ctx context.Context, cfg SiteConfig, category string, page int) (*SiteSearchResult, error) {
-	if page <= 0 {
-		page = 1
-	}
-	payload := map[string]interface{}{
-		"keyword":    "",
-		"pageNumber": page,
-		"pageSize":   50,
-	}
-	if category != "" {
-		payload["categories"] = []string{category}
-	}
-	body, _ := json.Marshal(payload)
-
-	u := cfg.URL + "/api/torrent/search"
-	data, status, err := doRequestJSON(ctx, a.client, "POST", u, cfg, body)
-	if err != nil {
-		return nil, fmt.Errorf("browse: %w", err)
-	}
-	if status != http.StatusOK {
-		return nil, fmt.Errorf("browse failed: status %d", status)
-	}
-
-	return parseMTeamJSON(data, cfg.Name, cfg.URL)
-}
-
-func (a *MTeamAdapter) GetDetail(ctx context.Context, cfg SiteConfig, id string) (*TorrentDetail, error) {
-	u := cfg.URL + "/api/torrent/detail?id=" + url.QueryEscape(id)
-	data, status, err := doRequestJSON(ctx, a.client, "POST", u, cfg, nil)
-	if err != nil {
-		return nil, fmt.Errorf("detail: %w", err)
-	}
-	if status != http.StatusOK {
-		return nil, fmt.Errorf("detail failed: status %d", status)
-	}
-
-	var resp map[string]interface{}
-	if err := json.Unmarshal(data, &resp); err != nil {
-		return nil, fmt.Errorf("parse response: %w", err)
-	}
-
-	dataField, ok := resp["data"].(map[string]interface{})
-	if !ok {
-		return nil, fmt.Errorf("detail not found")
-	}
-
-	detail := &TorrentDetail{
-		ID:        id,
-		DetailURL: cfg.URL + "/detail/" + id,
-	}
-
-	if v, ok := dataField["name"].(string); ok {
-		detail.Title = v
-	}
-	if v, ok := dataField["subtitle"].(string); ok {
-		detail.Subtitle = v
-	}
-	if v, ok := dataField["size"].(float64); ok {
-		detail.Size = int64(v)
-	}
-	if v, ok := dataField["status"].(map[string]interface{}); ok {
-		if seeders, ok := v["seeders"].(float64); ok {
-			detail.Seeders = int(seeders)
-		}
-		if leechers, ok := v["leechers"].(float64); ok {
-			detail.Leechers = int(leechers)
-		}
-		if snatched, ok := v["completed"].(float64); ok {
-			detail.Snatched = int(snatched)
-		}
-	}
-	if v, ok := dataField["free"].(bool); ok {
-		detail.Free = v
-	}
-	if v, ok := dataField["download"].(string); ok {
-		detail.DownloadURL = v
-	}
-	if v, ok := dataField["description"].(string); ok {
-		detail.Description = stripHTML(v)
-	}
-
-	return detail, nil
-}
-
-// GetDownloadURL 解析 M-Team 种子的真实下载链接。
-//
-// M-Team v3 流程：
-//
-//	POST /api/torrent/genDlToken?id={tid}     (带 x-api-key)
-//	→ {"code":"0","data":"https://api.m-team.cc/api/rss/dlv2?sign=..."}
-//
-// 拿到的 sign URL 可被任何下载客户端无认证地直接 GET。这是参考项目
-// (ShukeBta/MediaStation) 的 _download_torrent_file 方法的子集。
-func (a *MTeamAdapter) GetDownloadURL(ctx context.Context, cfg SiteConfig, id string) (string, error) {
-	u := cfg.URL + "/api/torrent/genDlToken?id=" + id
-	// genDlToken 是 POST 但参数走 query string；body 留空。
-	data, status, err := doRequestJSON(ctx, a.client, "POST", u, cfg, []byte("{}"))
-	if err != nil {
-		return "", fmt.Errorf("genDlToken: %w", err)
-	}
-	if status >= 300 {
-		return "", fmt.Errorf("genDlToken: HTTP %d", status)
-	}
-	var resp map[string]interface{}
-	if err := json.Unmarshal(data, &resp); err != nil {
-		return "", fmt.Errorf("genDlToken parse: %w", err)
-	}
-	codeStr := ""
-	switch v := resp["code"].(type) {
-	case string:
-		codeStr = v
-	case float64:
-		codeStr = strconv.Itoa(int(v))
-	}
-	if codeStr != "0" && codeStr != "200" {
-		msg, _ := resp["message"].(string)
-		if msg == "" {
-			msg = "unknown error"
-		}
-		return "", fmt.Errorf("genDlToken: %s", msg)
-	}
-	dl, _ := resp["data"].(string)
-	if dl == "" {
-		return "", fmt.Errorf("genDlToken: empty data field")
-	}
-	return dl, nil
-}
-
-// parseMTeamJSON 解析 MTeam v3 JSON 响应。
-//
-// 响应结构（与 ShukeBta/MediaStation 参考项目一致）：
-//
-//	{
-//	  "code": "0",          // 字符串 "0" 表示成功
-//	  "message": "SUCCESS",
-//	  "data": {
-//	    "total": "123",
-//	    "data": [ ... ]    // 旧字段名 "lists" 已被替换为 "data"
-//	  }
-//	}
-func parseMTeamJSON(data []byte, siteName, baseURL string) (*SiteSearchResult, error) {
-	// 用 map 反序列化以兼容 code/total 既可能是字符串又可能是数字。
-	var raw map[string]interface{}
-	if err := json.Unmarshal(data, &raw); err != nil {
-		return nil, fmt.Errorf("parse JSON: %w", err)
-	}
-
-	// code 兼容字符串与数字。
-	codeStr := ""
-	switch v := raw["code"].(type) {
-	case string:
-		codeStr = v
-	case float64:
-		codeStr = strconv.Itoa(int(v))
-	}
-	if codeStr != "" && codeStr != "0" && codeStr != "200" {
-		msg, _ := raw["message"].(string)
-		if msg == "" {
-			msg = fmt.Sprintf("code=%s", codeStr)
-		}
-		return nil, fmt.Errorf("mteam: %s", msg)
-	}
-
-	dataField, _ := raw["data"].(map[string]interface{})
-	if dataField == nil {
-		return &SiteSearchResult{SiteName: siteName, Items: []TorrentItem{}}, nil
-	}
-
-	// total 兼容字符串与数字。
-	total := 0
-	switch v := dataField["total"].(type) {
-	case string:
-		total, _ = strconv.Atoi(v)
-	case float64:
-		total = int(v)
-	}
-
-	// data.data（v3）优先；兜底兼容旧的 data.lists。
-	var rows []interface{}
-	switch v := dataField["data"].(type) {
-	case []interface{}:
-		rows = v
-	}
-	if rows == nil {
-		if v, ok := dataField["lists"].([]interface{}); ok {
-			rows = v
-		}
-	}
-
-	result := &SiteSearchResult{
-		SiteName: siteName,
-		Items:    []TorrentItem{},
-		Total:    total,
-	}
-
-	for _, rawT := range rows {
-		t, ok := rawT.(map[string]interface{})
-		if !ok {
-			continue
-		}
-		item := TorrentItem{}
-		if v, ok := t["id"].(string); ok {
-			item.ID = v
-		} else if v, ok := t["id"].(float64); ok {
-			item.ID = strconv.Itoa(int(v))
-		}
-		if v, ok := t["name"].(string); ok {
-			item.Title = v
-		}
-		if v, ok := t["subtitle"].(string); ok {
-			item.Subtitle = v
-		}
-		if v, ok := t["category"].(map[string]interface{}); ok {
-			if name, ok := v["name"].(string); ok {
-				item.Category = name
-			}
-		}
-		if v, ok := t["size"].(float64); ok {
-			item.Size = int64(v)
-		} else if v, ok := t["size"].(string); ok {
-			// v3 API 把 size 序列化成字符串。
-			if n, err := strconv.ParseInt(v, 10, 64); err == nil {
-				item.Size = n
-			}
-		}
-		if v, ok := t["status"].(map[string]interface{}); ok {
-			if seeders, ok := v["seeders"].(float64); ok {
-				item.Seeders = int(seeders)
-			}
-			if leechers, ok := v["leechers"].(float64); ok {
-				item.Leechers = int(leechers)
-			}
-			if snatched, ok := v["completed"].(float64); ok {
-				item.Snatched = int(snatched)
-			}
-		}
-		if v, ok := t["free"].(bool); ok {
-			item.Free = v
-		}
-		if v, ok := t["uploadTime"].(float64); ok {
-			item.UploadTime = time.Unix(int64(v), 0)
-		}
-
-		item.DetailURL = baseURL + "/detail/" + item.ID
-		// 标记 download_url 指向 genDlToken；真正的下载链接由 handler 层
-		// 在用户点"下载"时通过 MTeamAdapter.GetDownloadURL 解析。
-		// 这样前端 SiteSearchPage 才知道这一行有可用的下载入口。
-		item.DownloadURL = baseURL + "/api/torrent/genDlToken?id=" + item.ID
-		result.Items = append(result.Items, item)
-	}
-
-	return result, nil
-}
-
 // ─── Discuz 适配器 ───────────────────────────────────────────────────────────
 
 // DiscuzAdapter 基于 Discuz! X 的站点适配器。