first commit

internal/conversion/converter.go

@@ -0,0 +1,106 @@
+package conversion
+
+import (
+	"fmt"
+
+	"github.com/subconverter-go/internal/config"
+	"github.com/subconverter-go/internal/logging"
+)
+
+// Converter 代理订阅转换器
+// 负责在不同代理格式之间进行转换
+type Converter struct {
+	logger    *logging.Logger
+	configMgr *config.ConfigManager
+}
+
+// NewConverter 创建新的转换器
+// 返回初始化好的Converter实例
+func NewConverter(logger *logging.Logger, configMgr *config.ConfigManager) *Converter {
+	return &Converter{
+		logger:    logger,
+		configMgr: configMgr,
+	}
+}
+
+// Convert 执行转换操作
+// 将输入的订阅转换为指定格式的配置
+func (c *Converter) Convert(req *ConversionRequest) (*ConversionResponse, error) {
+	c.logger.Infof("Converting subscription from %s to %s format", req.SourceSummary(), req.Target)
+
+	// 这里实现实际的转换逻辑
+	// 目前只是占位符，后续会实现完整的转换功能
+
+	// 验证目标格式是否支持
+	if !c.isTargetSupported(req.Target) {
+		return nil, fmt.Errorf("unsupported target format: %s", req.Target)
+	}
+
+	// 创建响应
+	resp := NewConversionResponse()
+	resp.Success = true
+	resp.Content = "# Placeholder converted configuration\n# Target: " + req.Target + "\n# Source: " + req.SourceSummary() + "\n"
+	resp.ContentType = "text/plain"
+	resp.TargetFormat = req.Target
+	resp.SourceURL = req.SourceSummary()
+	resp.ConfigURL = req.ConfigURL
+	resp.NodeCount = 0
+	resp.ProcessingTime = 0
+
+	c.logger.Infof("Conversion completed successfully for target: %s", req.Target)
+	return resp, nil
+}
+
+// isTargetSupported 检查目标格式是否支持
+func (c *Converter) isTargetSupported(target string) bool {
+	config := c.configMgr.GetConfig()
+	supportedTargets := config.Conversion.SupportedTargets
+
+	for _, supported := range supportedTargets {
+		if supported == target {
+			return true
+		}
+	}
+
+	return false
+}
+
+// GetSupportedTargets 获取支持的目标格式列表
+func (c *Converter) GetSupportedTargets() []string {
+	config := c.configMgr.GetConfig()
+	return config.Conversion.SupportedTargets
+}
+
+// ValidateRequest 验证转换请求
+func (c *Converter) ValidateRequest(req *ConversionRequest) error {
+	// 验证目标格式
+	if !c.isTargetSupported(req.Target) {
+		return fmt.Errorf("unsupported target format: %s", req.Target)
+	}
+
+	// 验证订阅URL
+	if len(req.GetSources()) == 0 {
+		return fmt.Errorf("subscription URL is required")
+	}
+
+	// 验证配置URL（如果提供）
+	if req.ConfigURL != "" {
+		// 这里应该验证URL格式
+		// 目前简单检查不为空
+	}
+
+	return nil
+}
+
+// GetStatistics 获取转换统计信息
+func (c *Converter) GetStatistics() map[string]interface{} {
+	// 返回转换统计信息
+	return map[string]interface{}{
+		"total_conversions":      0,
+		"successful_conversions": 0,
+		"failed_conversions":     0,
+		"cache_hits":             0,
+		"cache_misses":           0,
+		"supported_targets":      c.GetSupportedTargets(),
+	}
+}