chore: import upstream snapshot with attribution

internal/cli/install_check.go

@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package cli
+
+import (
+	"fmt"
+
+	"github.com/apache/answer/internal/base/data"
+	"github.com/apache/answer/internal/base/path"
+	"github.com/apache/answer/internal/entity"
+	"github.com/apache/answer/pkg/dir"
+)
+
+func CheckConfigFile(configPath string) bool {
+	return dir.CheckFileExist(configPath)
+}
+
+func CheckUploadDir() bool {
+	return dir.CheckDirExist(path.UploadFilePath)
+}
+
+// CheckDBConnection check database whether the connection is normal
+func CheckDBConnection(dataConf *data.Database) bool {
+	db, err := data.NewDB(false, dataConf)
+	if err != nil {
+		fmt.Printf("connection database failed: %s\n", err)
+		return false
+	}
+	defer func() {
+		_ = db.Close()
+	}()
+	if err = db.Ping(); err != nil {
+		fmt.Printf("connection ping database failed: %s\n", err)
+		return false
+	}
+
+	return true
+}
+
+// CheckDBTableExist check database whether the table is already exists
+func CheckDBTableExist(dataConf *data.Database) bool {
+	db, err := data.NewDB(false, dataConf)
+	if err != nil {
+		fmt.Printf("connection database failed: %s\n", err)
+		return false
+	}
+	defer func() {
+		_ = db.Close()
+	}()
+	if err = db.Ping(); err != nil {
+		fmt.Printf("connection ping database failed: %s\n", err)
+		return false
+	}
+
+	exist, err := db.IsTableExist(&entity.Version{})
+	if err != nil {
+		fmt.Printf("check table exist failed: %s\n", err)
+		return false
+	}
+	if !exist {
+		fmt.Printf("check table not exist\n")
+		return false
+	}
+	return true
+}