feat(deps): implement batch installation and manifest-based (requirements.txt/package.json) parser and importer

internal/services/deps/parser.go

@@ -0,0 +1,105 @@
+package deps
+
+import (
+	"encoding/json"
+	"regexp"
+	"strings"
+
+	"github.com/engigu/baihu-panel/internal/models"
+)
+
+// ParseManifest 根据语言解析依赖清单文件内容
+func ParseManifest(language, content string) ([]models.Dependency, error) {
+	lang := strings.ToLower(language)
+	if strings.Contains(lang, "python") {
+		return ParseRequirements(content), nil
+	}
+	if strings.Contains(lang, "node") {
+		return ParsePackageJson(content)
+	}
+	return []models.Dependency{}, nil
+}
+
+// ParseRequirements 解析 Python requirements.txt
+func ParseRequirements(content string) []models.Dependency {
+	var deps []models.Dependency
+	// 使用正则表达式按行分割，兼容 Windows 和 Linux 的换行符
+	lines := regexp.MustCompile(`\r?\n`).Split(content, -1)
+	
+	// 用于分割包名和版本的正则 (支持 ==, >=, <=, ~=, >, <, @)
+	versionRegex := regexp.MustCompile(`[=><~@]+`)
+
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		// 忽略空行、注释行以及参数行 (以 - 开头的行如 -i, -r)
+		if line == "" || strings.HasPrefix(line, "#") || strings.HasPrefix(line, "-") {
+			continue
+		}
+
+		// 分割名称与版本
+		parts := versionRegex.Split(line, 2)
+		name := strings.TrimSpace(parts[0])
+		version := ""
+		if len(parts) > 1 {
+			// 清除可能存在的后续参数，比如 requests==2.31.0 --hash=sha256:...
+			versionPart := strings.TrimSpace(parts[1])
+			
+			// 如果有逗号分隔的多个范围限制，比如 >=1.20,<2.0，只取第一个范围作为参考版本号
+			if idx := strings.Index(versionPart, ","); idx != -1 {
+				versionPart = versionPart[:idx]
+			}
+
+			versionFields := strings.Fields(versionPart)
+			if len(versionFields) > 0 {
+				version = strings.TrimSpace(versionFields[0])
+				// 清除可能残留的首部版本符号
+				version = strings.TrimLeft(version, "=><~@ ")
+			}
+		}
+
+		if name != "" {
+			deps = append(deps, models.Dependency{
+				Name:     name,
+				Version:  version,
+				Language: "python3",
+			})
+		}
+	}
+	return deps
+}
+
+// PackageJson 代表 package.json 的结构定义
+type PackageJson struct {
+	Dependencies    map[string]string `json:"dependencies"`
+	DevDependencies map[string]string `json:"devDependencies"`
+}
+
+// ParsePackageJson 解析 Node.js package.json
+func ParsePackageJson(content string) ([]models.Dependency, error) {
+	var pkg PackageJson
+	if err := json.Unmarshal([]byte(content), &pkg); err != nil {
+		return nil, err
+	}
+
+	var deps []models.Dependency
+	collect := func(m map[string]string, isDev bool) {
+		for name, versionRange := range m {
+			// 移除 npm 常见版本范围修饰符（如 ^1.2.3 或 ~2.3.0，保留底线版本号）
+			version := strings.TrimLeft(versionRange, "^~>=<* ")
+			remark := ""
+			if isDev {
+				remark = "devDependencies"
+			}
+			deps = append(deps, models.Dependency{
+				Name:     name,
+				Version:  version,
+				Language: "node",
+				Remark:   remark,
+			})
+		}
+	}
+
+	collect(pkg.Dependencies, false)
+	collect(pkg.DevDependencies, true)
+	return deps, nil
+}