mirror of
https://git.rwth-aachen.de/acs/public/villas/web-backend-go/
synced 2025-03-30 00:00:12 +01:00
52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
/** Helper package, utilities.
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*
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* @author Sonja Happ <sonja.happ@eonerc.rwth-aachen.de>
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* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASweb-backend-go
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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package helper
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"strconv"
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)
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func GetIDOfElement(c *gin.Context, elementName string, source string, providedID int) (int, error) {
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if source == "path" {
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id, err := strconv.Atoi(c.Param(elementName))
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if err != nil {
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BadRequestError(c, fmt.Sprintf("No or incorrect format of path parameter"))
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return -1, err
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}
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return id, nil
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} else if source == "query" {
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id, err := strconv.Atoi(c.Request.URL.Query().Get(elementName))
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if err != nil {
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BadRequestError(c, fmt.Sprintf("No or incorrect format of query parameter"))
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return -1, err
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}
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return id, nil
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} else if source == "body" {
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id := providedID
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return id, nil
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} else {
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return -1, fmt.Errorf("invalid source of element ID")
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}
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}
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