bottin/data/apiclient.go

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package data
import (
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
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"git.agecem.com/agecem/bottin/models"
"git.agecem.com/agecem/bottin/responses"
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"github.com/spf13/viper"
)
type ApiClient struct {
Key string
Host string
Port int
Protocol string
}
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func NewApiClientFromViper() *ApiClient {
apiClientKey := viper.GetString("web.api.key")
apiClientHost := viper.GetString("web.api.host")
apiClientProtocol := viper.GetString("web.api.protocol")
apiClientPort := viper.GetInt("web.api.port")
return NewApiClient(apiClientKey, apiClientHost, apiClientProtocol, apiClientPort)
}
func NewApiClient(key, host, protocol string, port int) *ApiClient {
return &ApiClient{
Key: key,
Host: host,
Port: port,
Protocol: protocol,
}
}
func (a *ApiClient) Call(method, route string, requestBody io.Reader, useKey bool) (*http.Response, error) {
var response *http.Response
endpoint := fmt.Sprintf("%s://%s:%d%s",
a.Protocol, a.Host, a.Port, route,
)
/*
//TODO
log.Println("endpoint: ", endpoint)
*/
// Create client
client := &http.Client{}
// Create request
request, err := http.NewRequest(method, endpoint, requestBody)
if err != nil {
return response, err
}
if useKey {
if a.Key == "" {
return response, fmt.Errorf("Call to API required a key but none was provided. See --help for instructions on providing an API key.")
}
request.Header.Add("Authorization", fmt.Sprintf("Bearer %s", a.Key))
}
if requestBody != nil {
request.Header.Add("Content-Type", "application/json")
}
// Fetch Request
response, err = client.Do(request)
if err != nil {
return response, err
}
return response, nil
}
// GetHealth allows checking for API server health
func (a *ApiClient) GetHealth() (string, error) {
var getHealthResponse responses.GetHealth
response, err := a.Call(http.MethodGet, "/v5/health", nil, true)
if err != nil {
return getHealthResponse.Message, err
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return getHealthResponse.Message, err
}
if err := json.Unmarshal(body, &getHealthResponse); err != nil {
return getHealthResponse.Message, err
}
if getHealthResponse.Message == "" {
return getHealthResponse.Message, errors.New("Could not confirm that API server is up, no response message")
}
return getHealthResponse.Message, nil
}
func (a *ApiClient) GetMembre(membreID string) (models.Membre, error) {
var getMembreResponse struct {
Message string `json:"message"`
Data struct {
Membre models.Membre `json:"membre"`
} `json:"data"`
}
if membreID == "" {
return getMembreResponse.Data.Membre, errors.New("Veuillez fournir un numéro étudiant à rechercher")
}
//TODO
/*
log.Println("ApiClient.GetMembre received membreID: ", membreID)
*/
response, err := a.Call(http.MethodGet, fmt.Sprintf("/v5/membres/%s", membreID), nil, true)
if err != nil {
return getMembreResponse.Data.Membre, err
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return getMembreResponse.Data.Membre, err
}
if err := json.Unmarshal(body, &getMembreResponse); err != nil {
return getMembreResponse.Data.Membre, err
}
/*
if getMembreResponse.Message != "Read successful" {
return getMembreResponse.Data.Membre, errors.New(getMembreResponse.Message)
}
*/
if getMembreResponse.Data.Membre == *new(models.Membre) {
return getMembreResponse.Data.Membre, fmt.Errorf("Ce numéro étudiant ne correspond à aucunE membre")
}
return getMembreResponse.Data.Membre, nil
}