genofire/hs_monolith
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hs_monolith
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hs_monolith/lib/http/io.go

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// Package that provides the logic of the webserver
package http
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import (
"encoding/json"
"errors"
"net/http"
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"strings"
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)
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// Function to 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") {
err = errors.New("no json request recieved")
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return
}
err = json.NewDecoder(r.Body).Decode(to)
return
}
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// Function to write data as json to a http response (output)
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func Write(w http.ResponseWriter, data interface{}) {
js, err := json.Marshal(data)
if err != nil {
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http.Error(w, "failed to encode response: "+err.Error(), http.StatusInternalServerError)
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return
}
w.Header().Set("Content-Type", "application/json")
w.Write(js)
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}