43 lines
790 B
Go
43 lines
790 B
Go
package main
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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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"strconv"
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"github.com/julienschmidt/httprouter"
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)
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type envelope map[string]any
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func (app *application) readIDParam(r *http.Request) (int64, error) {
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params := httprouter.ParamsFromContext(r.Context())
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id, err := strconv.ParseInt(params.ByName("id"), 10, 64)
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if err != nil || id < 1 {
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return 0, errors.New("invalid id parameter")
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}
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return id, nil
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}
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func (app *application) writeJSON(w http.ResponseWriter, status int, data any, headers http.Header) error {
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js, err := json.Marshal(data)
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if err != nil {
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return err
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}
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js = append(js, '\n')
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for key, value := range headers {
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w.Header()[key] = value
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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w.Write(js)
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return nil
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}
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