505 lines
14 KiB
Go
505 lines
14 KiB
Go
package component_report
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import (
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"archive/zip"
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"context"
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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"go.uber.org/zap"
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)
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// ZipGenerator ZIP文件生成器
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type ZipGenerator struct {
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logger *zap.Logger
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// 缓存配置
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CacheEnabled bool
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CacheDir string
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CacheTTL time.Duration
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}
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// NewZipGenerator 创建ZIP文件生成器
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func NewZipGenerator(logger *zap.Logger) *ZipGenerator {
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return &ZipGenerator{
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logger: logger,
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CacheEnabled: true,
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CacheDir: "storage/component-reports/cache",
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CacheTTL: 24 * time.Hour, // 默认缓存24小时
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}
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}
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// NewZipGeneratorWithCache 创建带有自定义缓存配置的ZIP文件生成器
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func NewZipGeneratorWithCache(logger *zap.Logger, cacheEnabled bool, cacheDir string, cacheTTL time.Duration) *ZipGenerator {
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return &ZipGenerator{
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logger: logger,
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CacheEnabled: cacheEnabled,
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CacheDir: cacheDir,
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CacheTTL: cacheTTL,
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}
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}
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// GenerateZipFile 生成ZIP文件，包含 example.json 和根据子产品编码匹配的UI组件文件
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// productID: 产品ID
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// subProductCodes: 子产品编码列表（用于过滤和下载匹配的UI组件）
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// exampleJSONGenerator: 示例JSON生成器
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// outputPath: 输出ZIP文件路径（如果为空，则使用默认路径）
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func (g *ZipGenerator) GenerateZipFile(
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ctx context.Context,
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productID string,
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subProductCodes []string,
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exampleJSONGenerator *ExampleJSONGenerator,
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outputPath string,
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) (string, error) {
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// 生成缓存键
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cacheKey := g.generateCacheKey(productID, subProductCodes)
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// 检查缓存
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if g.CacheEnabled {
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cachedPath, err := g.getCachedFile(cacheKey)
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if err == nil && cachedPath != "" {
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// g.logger.Debug("使用缓存的ZIP文件",
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// zap.String("product_id", productID),
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// zap.String("cache_path", cachedPath))
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// 如果指定了输出路径，复制缓存文件到目标位置
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if outputPath != "" && outputPath != cachedPath {
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if err := g.copyFile(cachedPath, outputPath); err != nil {
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g.logger.Error("复制缓存文件失败", zap.Error(err))
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} else {
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return outputPath, nil
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}
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}
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return cachedPath, nil
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}
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}
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// 1. 生成 example.json 内容
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exampleJSON, err := exampleJSONGenerator.GenerateExampleJSON(ctx, productID, subProductCodes)
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if err != nil {
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return "", fmt.Errorf("生成example.json失败: %w", err)
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}
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// 2. 确定输出路径
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if outputPath == "" {
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// 使用默认路径：storage/component-reports/{productID}.zip
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outputDir := "storage/component-reports"
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if err := os.MkdirAll(outputDir, 0755); err != nil {
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return "", fmt.Errorf("创建输出目录失败: %w", err)
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}
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outputPath = filepath.Join(outputDir, fmt.Sprintf("%s_example.json.zip", productID))
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}
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// 3. 创建ZIP文件
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zipFile, err := os.Create(outputPath)
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if err != nil {
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return "", fmt.Errorf("创建ZIP文件失败: %w", err)
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}
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defer zipFile.Close()
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zipWriter := zip.NewWriter(zipFile)
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defer zipWriter.Close()
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// 4. 将生成的内容添加到 Pure_Component/public 目录下的 example.json
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exampleWriter, err := zipWriter.Create("Pure_Component/public/example.json")
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if err != nil {
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return "", fmt.Errorf("创建example.json文件失败: %w", err)
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}
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_, err = exampleWriter.Write(exampleJSON)
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if err != nil {
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return "", fmt.Errorf("写入example.json失败: %w", err)
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}
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// 5. 添加整个 Pure_Component 目录，但只包含子产品编码匹配的UI组件文件
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srcBasePath := filepath.Join("resources", "Pure_Component")
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uiBasePath := filepath.Join(srcBasePath, "src", "ui")
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// 根据子产品编码收集所有匹配的组件名称（文件夹名或文件名）
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matchedNames := make(map[string]bool)
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for _, subProductCode := range subProductCodes {
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path, _, err := exampleJSONGenerator.MatchSubProductCodeToPath(ctx, subProductCode)
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if err == nil && path != "" {
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// 获取组件名称（文件夹名或文件名）
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componentName := filepath.Base(path)
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matchedNames[componentName] = true
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}
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}
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// 遍历整个 Pure_Component 目录
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err = filepath.Walk(srcBasePath, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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// 计算相对于 Pure_Component 的路径
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relPath, err := filepath.Rel(srcBasePath, path)
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if err != nil {
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return err
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}
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// 转换为ZIP路径格式，保持在Pure_Component目录下
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zipPath := filepath.ToSlash(filepath.Join("Pure_Component", relPath))
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// 检查是否在 ui 目录下
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uiRelPath, err := filepath.Rel(uiBasePath, path)
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isInUIDir := err == nil && !strings.HasPrefix(uiRelPath, "..")
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if isInUIDir {
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// 如果是 ui 目录本身，直接添加
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if uiRelPath == "." || uiRelPath == "" {
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if info.IsDir() {
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_, err = zipWriter.Create(zipPath + "/")
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return err
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}
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return nil
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}
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// 获取文件/文件夹名称
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fileName := info.Name()
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// 检查是否应该保留：匹配到的组件文件夹/文件
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shouldInclude := false
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// 检查是否是匹配的组件（检查组件名称）
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if matchedNames[fileName] {
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shouldInclude = true
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} else {
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// 检查是否在匹配的组件文件夹内
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// 获取相对于 ui 的路径的第一部分（组件文件夹名）
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parts := strings.Split(filepath.ToSlash(uiRelPath), "/")
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if len(parts) > 0 && parts[0] != "" && parts[0] != "." {
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if matchedNames[parts[0]] {
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shouldInclude = true
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}
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}
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}
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if !shouldInclude {
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// 跳过不匹配的文件/文件夹
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if info.IsDir() {
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return filepath.SkipDir
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}
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return nil
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}
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}
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// 如果是目录，创建目录项
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if info.IsDir() {
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_, err = zipWriter.Create(zipPath + "/")
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return err
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}
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// 添加文件
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return g.AddFileToZip(zipWriter, path, zipPath)
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})
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if err != nil {
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g.logger.Warn("添加Pure_Component目录失败", zap.Error(err))
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}
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g.logger.Info("成功生成ZIP文件",
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zap.String("product_id", productID),
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zap.String("output_path", outputPath),
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zap.Int("example_json_size", len(exampleJSON)),
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zap.Int("sub_product_count", len(subProductCodes)),
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)
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// 缓存文件
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if g.CacheEnabled {
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if err := g.cacheFile(outputPath, cacheKey); err != nil {
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g.logger.Warn("缓存ZIP文件失败", zap.Error(err))
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} else {
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g.logger.Debug("ZIP文件已缓存", zap.String("cache_key", cacheKey))
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}
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}
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return outputPath, nil
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}
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// AddFileToZip 添加文件到ZIP
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func (g *ZipGenerator) AddFileToZip(zipWriter *zip.Writer, filePath string, zipPath string) error {
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file, err := os.Open(filePath)
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if err != nil {
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return fmt.Errorf("打开文件失败: %w", err)
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}
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defer file.Close()
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writer, err := zipWriter.Create(zipPath)
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if err != nil {
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return fmt.Errorf("创建ZIP文件项失败: %w", err)
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}
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_, err = io.Copy(writer, file)
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if err != nil {
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return fmt.Errorf("复制文件内容失败: %w", err)
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}
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return nil
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}
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// AddFolderToZip 递归添加文件夹到ZIP
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func (g *ZipGenerator) AddFolderToZip(zipWriter *zip.Writer, folderPath string, basePath string) error {
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return filepath.Walk(folderPath, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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return nil
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}
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// 计算相对路径
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relPath, err := filepath.Rel(basePath, path)
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if err != nil {
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return err
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}
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// 转换为ZIP路径格式（使用正斜杠）
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zipPath := filepath.ToSlash(relPath)
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return g.AddFileToZip(zipWriter, path, zipPath)
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})
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}
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// AddFileToZipWithTarget 将单个文件添加到ZIP的指定目标路径
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func (g *ZipGenerator) AddFileToZipWithTarget(zipWriter *zip.Writer, filePath string, targetPath string) error {
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file, err := os.Open(filePath)
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if err != nil {
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return fmt.Errorf("打开文件失败: %w", err)
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}
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defer file.Close()
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writer, err := zipWriter.Create(filepath.ToSlash(targetPath))
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if err != nil {
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return fmt.Errorf("创建ZIP文件项失败: %w", err)
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}
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_, err = io.Copy(writer, file)
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if err != nil {
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return fmt.Errorf("复制文件内容失败: %w", err)
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}
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return nil
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}
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// AddFolderToZipWithPrefix 递归添加文件夹到ZIP，并在ZIP内添加路径前缀
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func (g *ZipGenerator) AddFolderToZipWithPrefix(zipWriter *zip.Writer, folderPath string, basePath string, prefix string) error {
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return filepath.Walk(folderPath, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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return nil
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}
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relPath, err := filepath.Rel(basePath, path)
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if err != nil {
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return err
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}
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zipPath := filepath.ToSlash(filepath.Join(prefix, relPath))
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return g.AddFileToZip(zipWriter, path, zipPath)
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})
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}
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// GenerateFilteredComponentZip 生成筛选后的组件ZIP文件
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// productID: 产品ID
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// subProductCodes: 子产品编号列表（用于筛选组件）
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// outputPath: 输出ZIP文件路径（如果为空，则使用默认路径）
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func (g *ZipGenerator) GenerateFilteredComponentZip(
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ctx context.Context,
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productID string,
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subProductCodes []string,
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outputPath string,
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) (string, error) {
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// 1. 确定基础路径
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basePath := filepath.Join("resources", "Pure_Component")
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uiBasePath := filepath.Join(basePath, "src", "ui")
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// 2. 确定输出路径
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if outputPath == "" {
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// 使用默认路径：storage/component-reports/{productID}_filtered.zip
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outputDir := "storage/component-reports"
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if err := os.MkdirAll(outputDir, 0755); err != nil {
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return "", fmt.Errorf("创建输出目录失败: %w", err)
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}
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outputPath = filepath.Join(outputDir, fmt.Sprintf("%s_filtered.zip", productID))
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}
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// 3. 创建ZIP文件
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zipFile, err := os.Create(outputPath)
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if err != nil {
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return "", fmt.Errorf("创建ZIP文件失败: %w", err)
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}
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defer zipFile.Close()
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zipWriter := zip.NewWriter(zipFile)
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defer zipWriter.Close()
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// 4. 收集所有匹配的组件名称（文件夹名或文件名）
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matchedNames := make(map[string]bool)
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for _, productCode := range subProductCodes {
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// 简化匹配逻辑，直接使用产品代码作为组件名
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matchedNames[productCode] = true
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}
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// 5. 递归添加整个 Pure_Component 目录，但筛选 ui 目录下的内容
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err = filepath.Walk(basePath, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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// 计算相对于基础路径的相对路径
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relPath, err := filepath.Rel(basePath, path)
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if err != nil {
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return err
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}
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// 转换为ZIP路径格式，保持在Pure_Component目录下
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zipPath := filepath.ToSlash(filepath.Join("Pure_Component", relPath))
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// 检查是否在 ui 目录下
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uiRelPath, err := filepath.Rel(uiBasePath, path)
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isInUIDir := err == nil && !strings.HasPrefix(uiRelPath, "..")
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if isInUIDir {
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// 如果是 ui 目录本身，直接添加
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if uiRelPath == "." || uiRelPath == "" {
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if info.IsDir() {
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_, err = zipWriter.Create(zipPath + "/")
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return err
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}
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return nil
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}
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// 获取文件/文件夹名称
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fileName := info.Name()
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// 检查是否应该保留：匹配到的组件文件夹/文件
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shouldInclude := false
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// 检查是否是匹配的组件（检查组件名称）
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if matchedNames[fileName] {
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shouldInclude = true
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} else {
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// 检查是否在匹配的组件文件夹内
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// 获取相对于 ui 的路径的第一部分（组件文件夹名）
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parts := strings.Split(filepath.ToSlash(uiRelPath), "/")
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if len(parts) > 0 && parts[0] != "" && parts[0] != "." {
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if matchedNames[parts[0]] {
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shouldInclude = true
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}
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}
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}
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if !shouldInclude {
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// 跳过不匹配的文件/文件夹
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if info.IsDir() {
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return filepath.SkipDir
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}
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return nil
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}
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}
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// 如果是目录，创建目录项
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if info.IsDir() {
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_, err = zipWriter.Create(zipPath + "/")
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return err
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}
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// 添加文件
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return g.AddFileToZip(zipWriter, path, zipPath)
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})
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if err != nil {
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g.logger.Warn("添加Pure_Component目录失败", zap.Error(err))
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return "", fmt.Errorf("添加Pure_Component目录失败: %w", err)
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}
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g.logger.Info("成功生成筛选后的组件ZIP文件",
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zap.String("product_id", productID),
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zap.String("output_path", outputPath),
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zap.Int("matched_components_count", len(matchedNames)),
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)
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return outputPath, nil
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}
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// generateCacheKey 生成缓存键
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func (g *ZipGenerator) generateCacheKey(productID string, subProductCodes []string) string {
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// 使用产品ID和子产品编码列表生成MD5哈希
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data := productID
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for _, code := range subProductCodes {
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data += "|" + code
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}
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hash := md5.Sum([]byte(data))
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return hex.EncodeToString(hash[:])
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}
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// getCachedFile 获取缓存文件
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func (g *ZipGenerator) getCachedFile(cacheKey string) (string, error) {
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// 确保缓存目录存在
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if err := os.MkdirAll(g.CacheDir, 0755); err != nil {
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return "", fmt.Errorf("创建缓存目录失败: %w", err)
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}
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cacheFilePath := filepath.Join(g.CacheDir, cacheKey+".zip")
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// 检查文件是否存在
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fileInfo, err := os.Stat(cacheFilePath)
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if os.IsNotExist(err) {
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return "", nil // 文件不存在，但不是错误
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}
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if err != nil {
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return "", err
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}
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// 检查文件是否过期
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if time.Since(fileInfo.ModTime()) > g.CacheTTL {
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// 文件过期，删除
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os.Remove(cacheFilePath)
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return "", nil
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}
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return cacheFilePath, nil
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}
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// cacheFile 缓存文件
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func (g *ZipGenerator) cacheFile(filePath, cacheKey string) error {
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// 确保缓存目录存在
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if err := os.MkdirAll(g.CacheDir, 0755); err != nil {
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return fmt.Errorf("创建缓存目录失败: %w", err)
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}
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cacheFilePath := filepath.Join(g.CacheDir, cacheKey+".zip")
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// 复制文件到缓存目录
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return g.copyFile(filePath, cacheFilePath)
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}
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// copyFile 复制文件
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func (g *ZipGenerator) copyFile(src, dst string) error {
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sourceFile, err := os.Open(src)
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if err != nil {
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return err
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}
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defer sourceFile.Close()
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destFile, err := os.Create(dst)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
defer destFile.Close()
|
||
|
||
_, err = io.Copy(destFile, sourceFile)
|
||
return err
|
||
}
|