refactor: split site adapters and site page modules

2026-10-08 14:26:37 +08:00 · 2026-06-07 18:55:51 +08:00
parent df02fd1166
commit a5d061afa6
10 changed files with 1866 additions and 1544 deletions
@@ -0,0 +1,198 @@
+// Package service — UNIT3D site adapter.
+package service
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"time"
+)
+
+// ─── UNIT3D 适配器 ───────────────────────────────────────────────────────────
+
+// UNIT3DAdapter UNIT3D 框架适配器。
+type UNIT3DAdapter struct {
+	client *http.Client
+}
+
+// NewUNIT3DAdapter 创建 UNIT3D 适配器。
+func NewUNIT3DAdapter() *UNIT3DAdapter {
+	return &UNIT3DAdapter{
+		client: &http.Client{Timeout: 30 * time.Second},
+	}
+}
+
+func (a *UNIT3DAdapter) Authenticate(ctx context.Context, cfg SiteConfig) error {
+	u := cfg.URL + "/api/torrents?limit=1"
+	data, status, err := doRequest(ctx, a.client, "GET", u, cfg, nil)
+	if err != nil {
+		return fmt.Errorf("authenticate: %w", err)
+	}
+	if status == http.StatusUnauthorized || status == http.StatusForbidden {
+		return fmt.Errorf("authentication failed: status %d", status)
+	}
+	if status != http.StatusOK {
+		return fmt.Errorf("authenticate failed: status %d", status)
+	}
+	var resp map[string]interface{}
+	if err := json.Unmarshal(data, &resp); err == nil {
+		if errMsg, ok := resp["message"].(string); ok {
+			return fmt.Errorf("authentication failed: %s", errMsg)
+		}
+	}
+	return nil
+}
+
+func (a *UNIT3DAdapter) Search(ctx context.Context, cfg SiteConfig, keyword string, page int) (*SiteSearchResult, error) {
+	params := url.Values{}
+	params.Set("search", keyword)
+	params.Set("page", strconv.Itoa(page))
+
+	u := cfg.URL + "/api/torrents?" + params.Encode()
+	data, status, err := doRequest(ctx, a.client, "GET", u, cfg, nil)
+	if err != nil {
+		return nil, fmt.Errorf("search: %w", err)
+	}
+	if status != http.StatusOK {
+		return nil, fmt.Errorf("search failed: status %d", status)
+	}
+
+	return parseUNIT3DJSON(data, cfg.Name, cfg.URL)
+}
+
+func (a *UNIT3DAdapter) Browse(ctx context.Context, cfg SiteConfig, category string, page int) (*SiteSearchResult, error) {
+	params := url.Values{}
+	if category != "" {
+		params.Set("category", category)
+	}
+	params.Set("page", strconv.Itoa(page))
+
+	u := cfg.URL + "/api/torrents?" + params.Encode()
+	data, status, err := doRequest(ctx, a.client, "GET", u, cfg, nil)
+	if err != nil {
+		return nil, fmt.Errorf("browse: %w", err)
+	}
+	if status != http.StatusOK {
+		return nil, fmt.Errorf("browse failed: status %d", status)
+	}
+
+	return parseUNIT3DJSON(data, cfg.Name, cfg.URL)
+}
+
+func (a *UNIT3DAdapter) GetDetail(ctx context.Context, cfg SiteConfig, id string) (*TorrentDetail, error) {
+	u := cfg.URL + "/api/torrents/" + id
+	data, status, err := doRequest(ctx, a.client, "GET", 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 torrent map[string]interface{}
+	if err := json.Unmarshal(data, &torrent); err != nil {
+		return nil, fmt.Errorf("parse response: %w", err)
+	}
+
+	detail := &TorrentDetail{
+		ID:        id,
+		DetailURL: cfg.URL + "/torrents/" + id,
+	}
+
+	if v, ok := torrent["name"].(string); ok {
+		detail.Title = v
+	}
+	if v, ok := torrent["description"].(string); ok {
+		detail.Description = stripHTML(v)
+	}
+	if v, ok := torrent["size"].(float64); ok {
+		detail.Size = int64(v)
+	}
+	if v, ok := torrent["seeders"].(float64); ok {
+		detail.Seeders = int(v)
+	}
+	if v, ok := torrent["leechers"].(float64); ok {
+		detail.Leechers = int(v)
+	}
+	if v, ok := torrent["times_completed"].(float64); ok {
+		detail.Snatched = int(v)
+	}
+	if v, ok := torrent["free"].(bool); ok {
+		detail.Free = v
+	}
+	if v, ok := torrent["info_hash"].(string); ok {
+		detail.InfoHash = v
+	}
+
+	detail.DownloadURL = cfg.URL + "/api/torrents/" + id + "/download"
+	return detail, nil
+}
+
+func (a *UNIT3DAdapter) GetDownloadURL(ctx context.Context, cfg SiteConfig, id string) (string, error) {
+	return cfg.URL + "/api/torrents/" + id + "/download", nil
+}
+
+// parseUNIT3DJSON 解析 UNIT3D JSON 响应。
+func parseUNIT3DJSON(data []byte, siteName, baseURL string) (*SiteSearchResult, error) {
+	var resp struct {
+		Data []map[string]interface{} `json:"data"`
+		Meta struct {
+			Total       int `json:"total"`
+			CurrentPage int `json:"current_page"`
+		} `json:"meta"`
+	}
+	if err := json.Unmarshal(data, &resp); err != nil {
+		return nil, fmt.Errorf("parse JSON: %w", err)
+	}
+
+	result := &SiteSearchResult{
+		SiteName: siteName,
+		Items:    []TorrentItem{},
+		Page:     resp.Meta.CurrentPage,
+		Total:    resp.Meta.Total,
+	}
+
+	for _, t := range resp.Data {
+		item := TorrentItem{}
+		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["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)
+		}
+		if v, ok := t["seeders"].(float64); ok {
+			item.Seeders = int(v)
+		}
+		if v, ok := t["leechers"].(float64); ok {
+			item.Leechers = int(v)
+		}
+		if v, ok := t["times_completed"].(float64); ok {
+			item.Snatched = int(v)
+		}
+		if v, ok := t["free"].(bool); ok {
+			item.Free = v
+		}
+		if v, ok := t["created_at"].(string); ok {
+			if t2, err := time.Parse(time.RFC3339, v); err == nil {
+				item.UploadTime = t2
+			}
+		}
+
+		item.DetailURL = baseURL + "/torrents/" + item.ID
+		item.DownloadURL = baseURL + "/api/torrents/" + item.ID + "/download"
+		result.Items = append(result.Items, item)
+	}
+
+	return result, nil
+}