57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package handlers
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import (
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"context"
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"io"
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"net/http"
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"github.com/rramiachraf/dumb/views"
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"github.com/sirupsen/logrus"
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)
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const ContentTypeJSON = "application/json"
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// TODO: move this to utils, so it can be used by other handlers.
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func sendError(err error, status int, msg string, l *logrus.Logger, w http.ResponseWriter) {
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l.Errorln(err)
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w.WriteHeader(status)
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if err := views.ErrorPage(status, msg).Render(context.Background(), w); err != nil {
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l.Errorln(err)
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}
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}
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func Instances(l *logrus.Logger) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if instances, err := getCache[[]byte]("instances"); err == nil {
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w.Header().Set("content-type", ContentTypeJSON)
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_, err = w.Write(instances)
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if err == nil {
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return
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}
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}
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res, err := sendRequest("https://raw.githubusercontent.com/rramiachraf/dumb/main/instances.json")
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if err != nil {
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sendError(err, http.StatusInternalServerError, "something went wrong", l, w)
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return
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}
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defer res.Body.Close()
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instances, err := io.ReadAll(res.Body)
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if err != nil {
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sendError(err, http.StatusInternalServerError, "something went wrong", l, w)
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return
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}
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w.Header().Set("content-type", ContentTypeJSON)
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if _, err = w.Write(instances); err != nil {
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l.Errorln(err)
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}
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if err = setCache("instances", instances); err != nil {
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l.Errorln(err)
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}
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}
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}
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