116 lines
2.1 KiB
Go
116 lines
2.1 KiB
Go
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package httpjson
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import (
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"bytes"
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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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"sync"
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"time"
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)
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var (
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client *http.Client
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once sync.Once // Consider allowing configuration parameters for the singleton
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)
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func getClient() *http.Client {
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once.Do(func() {
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client = &http.Client{
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Timeout: 10 * time.Second,
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}
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})
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return client
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}
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func Get[T any](url string) (*T, error) {
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client := getClient()
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resp, err := client.Get(url)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
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}
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var result T
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(body, &result); err != nil {
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return nil, err
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}
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return &result, nil
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}
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func Post[T any](url string, data T) (*http.Response, error) {
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client := getClient()
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body, err := json.Marshal(data)
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if err != nil {
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return nil, err
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}
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resp, err := client.Post(url, "application/json", bytes.NewBuffer(body))
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if err != nil {
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return nil, err
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}
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if resp.StatusCode != http.StatusCreated && resp.StatusCode != http.StatusOK {
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return resp, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
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}
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return resp, nil
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}
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func Patch[T any](url string, data T) error {
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client := getClient()
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body, 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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req, err := http.NewRequest(http.MethodPatch, url, bytes.NewBuffer(body))
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/json")
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("unexpected status code: %d", resp.StatusCode)
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}
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return nil
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}
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func Delete(url string) error {
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client := getClient()
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req, err := http.NewRequest(http.MethodDelete, url, nil)
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if err != nil {
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return err
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}
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("unexpected status code: %d", resp.StatusCode)
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}
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return nil
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}
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