Add server components

server/unified-management/internal/config/preflight.go

@@ -0,0 +1,132 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	webassets "ymhut-box/server/unified-management/web"
+)
+
+type Check struct {
+	Name    string `json:"name"`
+	Status  string `json:"status"`
+	Path    string `json:"path,omitempty"`
+	Message string `json:"message,omitempty"`
+}
+
+func Preflight(cfg *Config) []Check {
+	checks := []Check{
+		checkDir("storage", cfg.StorageDir, true),
+		checkParent("sqlite", cfg.Database.SQLitePath),
+		checkDir("update public", cfg.UpdatePublicDir, false),
+		checkDir("update notice", cfg.UpdateNoticeDir, false),
+		checkDir("downloads", cfg.DownloadsDir, false),
+		checkFile("legacy update-info", filepath.Join(cfg.UpdatePublicDir, "update-info.json"), false),
+		checkFile("legacy media-types", filepath.Join(cfg.UpdatePublicDir, "media-types.json"), false),
+		checkFile("version notice index", filepath.Join(cfg.UpdateNoticeDir, "total.json"), false),
+		checkWebBuild("admin web dist", cfg.AdminWebDir, "admin/dist"),
+		checkWebBuild("portal web dist", cfg.PortalWebDir, "portal/dist"),
+		checkWebBuild("setup web dist", cfg.SetupWebDir, "setup/dist"),
+	}
+	return checks
+}
+
+func checkDir(name, path string, create bool) Check {
+	if create {
+		if err := os.MkdirAll(path, 0o750); err != nil {
+			return Check{Name: name, Status: "error", Path: path, Message: err.Error()}
+		}
+	}
+	info, err := os.Stat(path)
+	if err != nil {
+		return Check{Name: name, Status: "missing", Path: path, Message: "directory not found"}
+	}
+	if !info.IsDir() {
+		return Check{Name: name, Status: "error", Path: path, Message: "path is not a directory"}
+	}
+	return Check{Name: name, Status: "ok", Path: path}
+}
+
+func checkParent(name, path string) Check {
+	dir := filepath.Dir(path)
+	if err := os.MkdirAll(dir, 0o750); err != nil {
+		return Check{Name: name, Status: "error", Path: path, Message: err.Error()}
+	}
+	return Check{Name: name, Status: "ok", Path: path}
+}
+
+func checkFile(name, path string, required bool) Check {
+	info, err := os.Stat(path)
+	if err != nil {
+		status := "missing"
+		if required {
+			status = "error"
+		}
+		return Check{Name: name, Status: status, Path: path, Message: "file not found"}
+	}
+	if info.IsDir() {
+		return Check{Name: name, Status: "error", Path: path, Message: "path is a directory"}
+	}
+	return Check{Name: name, Status: "ok", Path: path}
+}
+
+func checkWebBuild(name, path, embedRoot string) Check {
+	dir := checkDir(name, path, false)
+	if dir.Status != "ok" {
+		if embeddedWebBuildOK(embedRoot) {
+			return Check{Name: name, Status: "ok", Path: path, Message: "using embedded frontend assets"}
+		}
+		dir.Message = "frontend dist missing; run npm install && npm run build, or build release with -tags embed_web"
+		return dir
+	}
+	index := filepath.Join(path, "index.html")
+	if file := checkFile(name+" index", index, true); file.Status != "ok" {
+		if embeddedWebBuildOK(embedRoot) {
+			return Check{Name: name, Status: "ok", Path: path, Message: "disk index missing; using embedded frontend assets"}
+		}
+		return Check{Name: name, Status: "missing", Path: index, Message: "index.html missing; run npm run build"}
+	}
+	assets := filepath.Join(path, "assets")
+	if assetDir := checkDir(name+" assets", assets, false); assetDir.Status != "ok" {
+		if embeddedWebBuildOK(embedRoot) {
+			return Check{Name: name, Status: "ok", Path: path, Message: "disk assets missing; using embedded frontend assets"}
+		}
+		return Check{Name: name, Status: "missing", Path: assets, Message: "assets directory missing; run npm run build"}
+	}
+	return Check{Name: name, Status: "ok", Path: path}
+}
+
+func embeddedWebBuildOK(embedRoot string) bool {
+	if !webassets.Embedded {
+		return false
+	}
+	if _, err := webassets.ReadFile(filepath.ToSlash(filepath.Join(embedRoot, "index.html"))); err != nil {
+		return false
+	}
+	entries, err := webassets.ReadDir(filepath.ToSlash(filepath.Join(embedRoot, "assets")))
+	if err != nil {
+		return false
+	}
+	for _, entry := range entries {
+		if !entry.IsDir() {
+			return true
+		}
+	}
+	return false
+}
+
+func FormatPreflight(checks []Check) []string {
+	lines := make([]string, 0, len(checks))
+	for _, check := range checks {
+		line := fmt.Sprintf("[%s] %s", check.Status, check.Name)
+		if check.Path != "" {
+			line += " -> " + check.Path
+		}
+		if check.Message != "" {
+			line += " (" + check.Message + ")"
+		}
+		lines = append(lines, line)
+	}
+	return lines
+}