31 lines
750 B
Go
31 lines
750 B
Go
// Package http provides the logic of the webserver
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package http
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import (
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"encoding/json"
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"errors"
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"net/http"
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"strings"
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)
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// Read data from a http request via json format (input)
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func Read(r *http.Request, to interface{}) (err error) {
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if !strings.Contains(r.Header.Get("Content-Type"), "application/json") {
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err = errors.New("no json request received")
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return
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}
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err = json.NewDecoder(r.Body).Decode(to)
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return
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}
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// Write data as json to a http response (output)
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func Write(w http.ResponseWriter, data interface{}) {
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js, err := json.Marshal(data)
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if err != nil {
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http.Error(w, "failed to encode response: "+err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(js)
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}
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