48 lines
795 B
Go
48 lines
795 B
Go
package fetchuser
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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)
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type User struct {
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ID int `json:"id"`
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Name string `json:"name"`
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}
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type APIFetcher interface {
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FetchData(id int) (User, error)
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}
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type RealAPIFetcher struct {
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ApiURL string
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}
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func (ra *RealAPIFetcher) FetchData(id int) (User, error) {
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resp, err := http.Get(fmt.Sprintf("%s/users/%d", ra.ApiURL, id))
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if err != nil {
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return User{}, err
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}
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defer resp.Body.Close()
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return User{}, err
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}
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var user User
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err = json.Unmarshal(bodyBytes, &user)
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return user, err
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}
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func ProcessUser(fetcher APIFetcher, id int) (User, error) {
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user, err := fetcher.FetchData(id)
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if err != nil {
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return User{}, err
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}
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// Process the user data.
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return user, nil
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}
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