mirror of
https://gitlab.dit.htwk-leipzig.de/htwk-software/htwkalender.git
synced 2025-07-16 17:48:49 +02:00
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
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//Copyright (C) 2024 HTWKalender support@htwkalender.de
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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 Affero 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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//(at your option) any later version.
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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 Affero General Public License for more details.
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//You should have received a copy of the GNU Affero General Public License
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//along with this program. If not, see <https://www.gnu.org/licenses/>.
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package fetch
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import (
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"fmt"
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"io"
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"log/slog"
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"net/http"
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"time"
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)
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// getPlanHTML Get the HTML document from the specified URL
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func GetHTML(url string) (string, error) {
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// Create HTTP client with timeout of 5 seconds
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client := http.Client{
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Timeout: 30 * time.Second,
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}
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return GetHTMLWithClient(url, &client)
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}
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func GetHTMLWithClient(url string, client *http.Client) (string, error) {
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// Send GET request
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response, err := client.Get(url)
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if err != nil {
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slog.Error("Error occurred while fetching the HTML document:", "error", err)
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return "", err
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}
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if response.StatusCode != 200 {
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slog.Warn("While fetching the HTML document, the server responded with status code: ", "status", response.StatusCode)
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return "", fmt.Errorf("server responded with status code: %d", response.StatusCode)
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}
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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return
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}
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}(response.Body)
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// Read the response body
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body, err := io.ReadAll(response.Body)
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if err != nil {
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fmt.Printf("Error occurred while reading the response: %s\n", err.Error())
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return "", err
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}
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return toUtf8(body), err
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}
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func toUtf8(iso88591Buf []byte) string {
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buf := make([]rune, len(iso88591Buf))
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for i, b := range iso88591Buf {
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buf[i] = rune(b)
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}
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return string(buf)
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}
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