added file checker, completation/size/digest

app/fileoper/check.go

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ */
+package fileoper
+
+import (
+	"context"
+	"net/http"
+
+	"mstore/pkg/descr"
+)
+
+// Check files
+type CheckFilesParams struct {
+	Path     string
+	PathType string `param:"pathType"`
+}
+type CheckFilesResult struct {
+	Files []descr.File `json:"files,omitempty"`
+}
+
+func (oper *Operator) CheckFiles(ctx context.Context, operatorID string, params *CheckFilesParams) (int, *CheckFilesResult, error) {
+	var code int
+	res := &CheckFilesResult{}
+	var err error
+
+	// Check existing and size
+	files, err := oper.listFiles(ctx, params.PathType, params.Path)
+	if err != nil {
+		code = http.StatusInternalServerError
+		return code, res, err
+	}
+	for _, file := range files {
+		exists, size, err := oper.store.FileExists(file.Collection, file.Name)
+		if err != nil {
+			code := http.StatusInternalServerError
+			return code, res, err
+		}
+		if !exists {
+			res.Files = append(res.Files, file)
+			err = oper.mdb.DeleteFileByCollectionName(ctx, file.Collection, file.Name)
+			if err != nil {
+				code := http.StatusInternalServerError
+				return code, res, err
+			}
+		}
+		if size != file.Size {
+			res.Files = append(res.Files, file)
+			err = oper.mdb.DeleteFileByCollectionName(ctx, file.Collection, file.Name)
+			if err != nil {
+				code := http.StatusInternalServerError
+				return code, res, err
+			}
+			err = oper.store.DeleteFile(file.Collection, file.Name)
+			if err != nil {
+				code := http.StatusInternalServerError
+				return code, res, err
+			}
+		}
+	}
+	// Check hashs
+	files, err = oper.listFiles(ctx, params.PathType, params.Path)
+	if err != nil {
+		code = http.StatusInternalServerError
+		return code, res, err
+	}
+	for _, file := range files {
+		sum, err := oper.store.GetFileCheksum(file.Collection, file.Name)
+		if err != nil {
+			code := http.StatusInternalServerError
+			return code, res, err
+		}
+		if sum != file.Checksum {
+			res.Files = append(res.Files, file)
+			err = oper.mdb.DeleteFileByCollectionName(ctx, file.Collection, file.Name)
+			if err != nil {
+				code := http.StatusInternalServerError
+				return code, res, err
+			}
+			err = oper.store.DeleteFile(file.Collection, file.Name)
+			if err != nil {
+				code := http.StatusInternalServerError
+				return code, res, err
+			}
+		}
+	}
+	return code, res, err
+}