🔧 chore: 初始化番茄小说 API 项目结构

新增项目基础框架，包含核心 API 实现、算法模块、HTTP 处理器等完整功能模块

internal/fqapi/multi_detail.go

@@ -0,0 +1,215 @@
+package fqapi
+
+import (
+	"encoding/json"
+	"fanqie/internal/common"
+	"fmt"
+	"strings"
+	"sync"
+)
+
+var multiDetailLogger = common.NewLogger("multi_detail", "INFO", "")
+
+// singleDetail 获取单个书籍详情
+func singleDetail(bookID string) (map[string]interface{}, error) {
+	reqURL := BuildURL("https://reading.snssdk.com/reading/bookapi/detail/v/", "book_id="+bookID)
+
+	resp, err := GorgonRequest(reqURL, map[string]interface{}{
+		"method": "GET",
+		"headers": map[string]string{
+			"User-Agent": "com.dragon.read",
+		},
+	})
+
+	if err != nil {
+		return map[string]interface{}{}, err
+	}
+
+	respJSON, err := resp.JSON()
+	if err != nil {
+		return map[string]interface{}{}, err
+	}
+
+	if code, ok := respJSON["code"].(float64); ok && code == 0 {
+		if data, ok := respJSON["data"].(map[string]interface{}); ok {
+			delete(data, "content")
+			return data, nil
+		}
+	}
+
+	return map[string]interface{}{}, nil
+}
+
+// multiDetail 批量获取书籍详情
+func multiDetail(bookIDs string) ([]map[string]interface{}, error) {
+	reqURL := BuildURL("https://reading.snssdk.com/reading/bookapi/multi-detail/v/", "book_id="+bookIDs)
+
+	resp, err := GorgonRequest(reqURL, map[string]interface{}{
+		"method": "GET",
+		"headers": map[string]string{
+			"User-Agent": "com.dragon.read",
+		},
+	})
+
+	if err != nil {
+		// 返回空列表
+		count := len(strings.Split(bookIDs, ","))
+		result := make([]map[string]interface{}, count)
+		for i := range result {
+			result[i] = map[string]interface{}{}
+		}
+		return result, err
+	}
+
+	respJSON, err := resp.JSON()
+	if err != nil {
+		count := len(strings.Split(bookIDs, ","))
+		result := make([]map[string]interface{}, count)
+		for i := range result {
+			result[i] = map[string]interface{}{}
+		}
+		return result, err
+	}
+
+	if code, ok := respJSON["code"].(float64); ok && code == 0 {
+		if data, ok := respJSON["data"].([]interface{}); ok && len(data) > 0 {
+			result := make([]map[string]interface{}, len(data))
+			for i, item := range data {
+				if itemMap, ok := item.(map[string]interface{}); ok {
+					result[i] = itemMap
+				} else {
+					result[i] = map[string]interface{}{}
+				}
+			}
+			return result, nil
+		}
+	}
+
+	// 返回空列表
+	count := len(strings.Split(bookIDs, ","))
+	result := make([]map[string]interface{}, count)
+	for i := range result {
+		result[i] = map[string]interface{}{}
+	}
+	return result, nil
+}
+
+// chunkArray 分块数组
+func chunkArray(arr []string, size int) [][]string {
+	chunks := make([][]string, 0)
+	for i := 0; i < len(arr); i += size {
+		end := i + size
+		if end > len(arr) {
+			end = len(arr)
+		}
+		chunks = append(chunks, arr[i:end])
+	}
+	return chunks
+}
+
+// HandleGetMultiDetail 处理批量获取书籍详情
+func HandleGetMultiDetail(bookID interface{}) (string, error) {
+	if bookID == nil {
+		return BuildErrorResponse("需要参数 book_id"), nil
+	}
+
+	var bookIDList []string
+
+	switch v := bookID.(type) {
+	case string:
+		if v == "" {
+			return BuildErrorResponse("需要参数 book_id"), nil
+		}
+		bookIDList = strings.Split(v, ",")
+	case []string:
+		bookIDList = v
+	default:
+		return BuildErrorResponse("book_id 参数格式错误"), nil
+	}
+
+	// 分块处理，每批100个
+	chunks := chunkArray(bookIDList, 100)
+
+	// 并发请求
+	type result struct {
+		data []map[string]interface{}
+		err  error
+	}
+
+	results := make([]result, len(chunks))
+	var wg sync.WaitGroup
+
+	for i, chunk := range chunks {
+		wg.Add(1)
+		go func(idx int, ch []string) {
+			defer wg.Done()
+			data, err := multiDetail(strings.Join(ch, ","))
+			results[idx] = result{data: data, err: err}
+		}(i, chunk)
+	}
+
+	wg.Wait()
+
+	// 合并结果
+	res := make([]map[string]interface{}, 0)
+	for _, r := range results {
+		if r.err == nil {
+			res = append(res, r.data...)
+		} else {
+			multiDetailLogger.Error(fmt.Sprintf("批量获取详情失败: %v", r.err))
+		}
+	}
+
+	// 处理下架书籍
+	offShelfBookIDs := make([]string, 0)
+	offShelfIndexes := make([]int, 0)
+
+	for i, item := range res {
+		if status, ok := item["tomato_book_status"].(string); ok && status == "3" {
+			if bid, ok := item["book_id"].(string); ok {
+				offShelfBookIDs = append(offShelfBookIDs, bid)
+				offShelfIndexes = append(offShelfIndexes, i)
+			}
+		}
+	}
+
+	// 单独获取下架书籍信息
+	if len(offShelfBookIDs) > 0 {
+		type offshelfResult struct {
+			data map[string]interface{}
+			idx  int
+		}
+
+		offshelfResults := make([]offshelfResult, len(offShelfBookIDs))
+		var wg2 sync.WaitGroup
+
+		for i, bid := range offShelfBookIDs {
+			wg2.Add(1)
+			go func(idx int, bookID string, originalIdx int) {
+				defer wg2.Done()
+				data, _ := singleDetail(bookID)
+				offshelfResults[idx] = offshelfResult{data: data, idx: originalIdx}
+			}(i, bid, offShelfIndexes[i])
+		}
+
+		wg2.Wait()
+
+		// 更新结果
+		for _, r := range offshelfResults {
+			if r.idx < len(res) {
+				res[r.idx] = r.data
+			}
+		}
+	}
+
+	// 序列化结果
+	response := map[string]interface{}{
+		"code":    0,
+		"message": "SUCCESS",
+		"data":    res,
+	}
+
+	resultBytes, _ := json.Marshal(response)
+	return string(resultBytes), nil
+}
+