69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package callapiutils
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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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"log"
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"net/http"
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"net/url"
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"strconv"
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)
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func AddQueryParamInt(u *url.URL, paramName string, paramValue int) {
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AddQueryParam(u, paramName, strconv.Itoa(paramValue))
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}
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func AddQueryParam(u *url.URL, paramName string, paramValue string) {
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q := u.Query()
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q.Set(paramName, paramValue)
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u.RawQuery = q.Encode()
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}
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func FetchAndParseResult[T any](u *url.URL, queryResult *T) error {
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resp, err := DoApiQuery(u)
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log.Printf("Calling GET %s", u.String())
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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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bodyError, err := io.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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return fmt.Errorf("Call to %s returned code %d:\n%s", u.String(), resp.StatusCode, string(bodyError))
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}
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decoder := json.NewDecoder(resp.Body)
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err = decoder.Decode(queryResult)
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if err != nil {
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return err
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}
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return err
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}
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func DoApiQuery(u *url.URL) (*http.Response, error) {
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client := &http.Client{}
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req, err := http.NewRequest("GET", u.String(), nil)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Accept", "application/json")
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req.Header.Add("User-Agent", "bibliomane/0.1 (artlef@protonmail.com)")
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return client.Do(req)
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}
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func ComputeUrl(baseUrl string, paths ...string) (*url.URL, error) {
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u, err := url.Parse(baseUrl)
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if err != nil {
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return nil, err
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}
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for _, p := range paths {
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u = u.JoinPath(p)
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}
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return u, nil
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}
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