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/*
* HTTP handler setting
*
* Copyright (C) 2024 Runxi Yu <https://runxiyu.org>
* SPDX-License-Identifier: AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"log/slog"
"net/http"
)
func setHandler(pattern string, handler func(http.ResponseWriter, *http.Request) (string, int, error)) {
http.HandleFunc(pattern, func(w http.ResponseWriter, req *http.Request) {
defer func() {
if e := recover(); e != nil {
slog.Error("panic", "arg", e)
}
}()
msg, statusCode, err := handler(w, req)
if err != nil {
if statusCode == -1 || statusCode == 0 {
statusCode = 500
}
slog.Error(
"handler",
"path", req.URL.Path,
"status", statusCode,
"error", err,
)
if msg != "" {
wstr(w, statusCode, msg+"\n"+err.Error())
} else {
wstr(w, statusCode, err.Error())
}
} else if msg != "" {
if statusCode == -1 || statusCode == 0 {
statusCode = 200
}
wstr(w, statusCode, msg)
}
})
}
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