🔧 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/audio.go

@@ -0,0 +1,135 @@
+package fqapi
+
+import (
+	"encoding/json"
+	"fanqie/internal/common"
+	"fmt"
+)
+
+var audioLogger = common.NewLogger("audio", "INFO", "")
+
+// HandleAudio 处理获取音频
+func HandleAudio(itemIDs interface{}, toneID interface{}, output interface{}) (string, error) {
+	if itemIDs == nil || itemIDs == "" {
+		return BuildSuccessResponse([]interface{}{}), nil
+	}
+
+	// 处理itemIDs - 使用ParseStringParam
+	itemIDStr := ParseStringParam(itemIDs, "")
+
+	// 处理toneID - 使用ParseIntParam
+	toneIDInt := ParseIntParam(toneID, 1)
+
+	// 处理output参数
+	outputStr := ParseStringParam(output, "url")
+
+	// 使用 BuildURL 添加设备参数
+	url := BuildURL("https://reading.snssdk.com/reading/reader/audio/playinfo/",
+		fmt.Sprintf("item_ids=%s", itemIDStr),
+		fmt.Sprintf("tone_id=%d", toneIDInt),
+		"pv_player=-1",
+	)
+
+	// 使用 GorgonRequest 添加签名和设备信息
+	resp, err := GorgonRequest(url, map[string]interface{}{
+		"method": "GET",
+		"headers": map[string]string{
+			"User-Agent": "com.dragon.read",
+		},
+	})
+
+	if err != nil {
+		audioLogger.Error(fmt.Sprintf("获取音频失败: %v", err))
+		return BuildErrorResponse("获取音频失败"), err
+	}
+
+	respJSON, err := resp.JSON()
+	if err != nil {
+		audioLogger.Error(fmt.Sprintf("解析响应失败: %v", err))
+		return BuildErrorResponse("解析响应失败"), err
+	}
+
+	// 检查响应码
+	var respCode float64
+	var okCode bool
+
+	if code, ok := respJSON["code"].(float64); ok {
+		respCode, okCode = code, code == 0
+	} else if code, ok := respJSON["Code"].(float64); ok {
+		respCode, okCode = code, code == 0
+	}
+
+	if okCode {
+		// 转换响应格式：只修改 code 和 message，保留原始数据结构
+		respJSON["code"] = 200
+		respJSON["message"] = "SUCCESS"
+
+		// 处理output参数，替换音频URL
+		if outputStr != "url" {
+			// 获取当前使用的设备信息
+			currentDevice := GetCurrentDevice()
+			deviceID := ""
+			if currentDevice != nil {
+				deviceID = currentDevice.DeviceHeader
+			}
+
+			// 准备请求头
+			headers := map[string]string{
+				"User-Agent": "com.dragon.read",
+			}
+
+			// 处理音频URL，支持多种可能的结构
+			if dataArray, ok := respJSON["data"].([]interface{}); ok {
+				// 情况1：data是数组格式（实际返回的格式）
+				for _, item := range dataArray {
+					if audioItem, ok := item.(map[string]interface{}); ok {
+						// 处理main_url
+						if mainURL, ok := audioItem["main_url"].(string); ok && mainURL != "" {
+							processedURL := processMediaURL(mainURL, deviceID, headers, outputStr, "audio")
+							audioItem["main_url"] = processedURL
+						}
+						// 处理backup_url
+						if backupURL, ok := audioItem["backup_url"].(string); ok && backupURL != "" {
+							processedURL := processMediaURL(backupURL, deviceID, headers, outputStr, "audio")
+							audioItem["backup_url"] = processedURL
+						}
+					}
+				}
+			} else if data, ok := respJSON["data"].(map[string]interface{}); ok {
+				// 情况2：单个音频在audio_info下
+				if audioInfo, ok := data["audio_info"].(map[string]interface{}); ok {
+					if playURL, ok := audioInfo["play_url"].(string); ok && playURL != "" {
+						processedURL := processMediaURL(playURL, deviceID, headers, outputStr, "audio")
+						audioInfo["play_url"] = processedURL
+					}
+				}
+
+				// 情况3：音频列表在audio_list下
+				if audioList, ok := data["audio_list"].([]interface{}); ok {
+					for _, item := range audioList {
+						if audioItem, ok := item.(map[string]interface{}); ok {
+							if playURL, ok := audioItem["play_url"].(string); ok && playURL != "" {
+								processedURL := processMediaURL(playURL, deviceID, headers, outputStr, "audio")
+								audioItem["play_url"] = processedURL
+							}
+						}
+					}
+				}
+			}
+		}
+
+		resultBytes, _ := json.Marshal(respJSON)
+		return string(resultBytes), nil
+	}
+
+	// 返回错误信息
+	errMsg := "获取音频失败"
+	if msg, ok := respJSON["message"].(string); ok {
+		errMsg = msg
+	} else if msg, ok := respJSON["Message"].(string); ok {
+		errMsg = msg
+	}
+	audioLogger.Error(fmt.Sprintf("获取音频失败: code=%v, msg=%s", respCode, errMsg))
+	return BuildErrorResponse(errMsg), nil
+}
+