修改监控为证书监控支持文件导入和smtp监控

监控支持多渠道通知
将静态文件打包到二进制文件

backend/internal/monitor/file_handle.go

@@ -0,0 +1,124 @@
+package monitor
+
+import (
+	"encoding/csv"
+	"encoding/json"
+	"fmt"
+	"github.com/tealeg/xlsx"
+	"io"
+	"mime/multipart"
+	"path/filepath"
+	"strings"
+)
+
+func ParseMonitorFile(fileHeader *multipart.FileHeader) ([]*Monitor, error) {
+	ext := strings.ToLower(filepath.Ext(fileHeader.Filename))
+
+	file, err := fileHeader.Open()
+	if err != nil {
+		return nil, fmt.Errorf("无法打开文件: %v", err)
+	}
+	defer file.Close()
+
+	switch ext {
+	case ".csv", ".txt":
+		return parseCSV(file)
+	case ".json":
+		return parseJSON(file)
+	case ".xlsx":
+		return parseXLSX(file)
+	default:
+		return nil, fmt.Errorf("不支持的文件类型: %s", ext)
+	}
+}
+
+func parseCSV(reader io.Reader) ([]*Monitor, error) {
+	csvReader := csv.NewReader(reader)
+	var monitors []*Monitor
+	isHeader := true
+
+	for {
+		record, err := csvReader.Read()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, fmt.Errorf("CSV 解析失败: %v", err)
+		}
+
+		if isHeader {
+			isHeader = false
+			continue
+		}
+
+		if len(record) < 8 {
+			continue
+		}
+
+		monitor := &Monitor{
+			Name:          record[0],
+			Target:        record[1],
+			MonitorType:   record[2],
+			ReportTypes:   record[3],
+			Cycle:         record[4],
+			RepeatSendGap: record[5],
+			Active:        record[6],
+			AdvanceDay:    record[7],
+		}
+		monitors = append(monitors, monitor)
+	}
+
+	return monitors, nil
+}
+
+func parseJSON(reader io.Reader) ([]*Monitor, error) {
+	var monitors []*Monitor
+	err := json.NewDecoder(reader).Decode(&monitors)
+	if err != nil {
+		return nil, fmt.Errorf("JSON 解析失败: %v", err)
+	}
+	return monitors, nil
+}
+
+func parseXLSX(file multipart.File) ([]*Monitor, error) {
+	var monitors []*Monitor
+
+	// 读取文件内容到内存
+	data, err := io.ReadAll(file)
+	if err != nil {
+		return nil, err
+	}
+
+	// 解析 XLSX 内容
+	xlFile, err := xlsx.OpenBinary(data)
+	if err != nil {
+		return nil, fmt.Errorf("解析 xlsx 失败: %v", err)
+	}
+
+	if len(xlFile.Sheets) == 0 {
+		return nil, fmt.Errorf("未找到工作表")
+	}
+
+	sheet := xlFile.Sheets[0]
+	for i, row := range sheet.Rows {
+		if i == 0 {
+			continue // 跳过表头
+		}
+		if len(row.Cells) < 8 {
+			continue
+		}
+		monitor := &Monitor{
+			Name:          row.Cells[0].String(),
+			Target:        row.Cells[1].String(),
+			MonitorType:   row.Cells[2].String(),
+			ReportTypes:   row.Cells[3].String(),
+			Cycle:         row.Cells[4].String(),
+			RepeatSendGap: row.Cells[5].String(),
+			Active:        row.Cells[6].String(),
+			AdvanceDay:    row.Cells[7].String(),
+		}
+		monitors = append(monitors, monitor)
+	}
+
+	return monitors, nil
+}