fasten-onprem/backend/pkg/hub/internal/fhir/base/base_client.go

73 lines
2.1 KiB
Go

package base
import (
"context"
"encoding/json"
"fmt"
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/config"
"github.com/fastenhealth/fastenhealth-onprem/backend/pkg/models"
"github.com/sirupsen/logrus"
"golang.org/x/oauth2"
"net/http"
"strings"
"time"
)
type BaseClient struct {
AppConfig config.Interface
Logger logrus.FieldLogger
OauthClient *http.Client
Source models.Source
}
func NewBaseClient(appConfig config.Interface, globalLogger logrus.FieldLogger, source models.Source, testHttpClient ...*http.Client) *BaseClient {
var httpClient *http.Client
if len(testHttpClient) == 0 {
httpClient = oauth2.NewClient(context.Background(), oauth2.StaticTokenSource(
&oauth2.Token{
TokenType: "Bearer",
RefreshToken: source.RefreshToken,
AccessToken: source.AccessToken,
}))
} else {
//Testing mode.
httpClient = testHttpClient[0]
}
httpClient.Timeout = 10 * time.Second
return &BaseClient{
AppConfig: appConfig,
Logger: globalLogger,
OauthClient: httpClient,
Source: source,
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// HttpClient
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
func (c *BaseClient) GetRequest(resourceSubpath string, decodeModelPtr interface{}) error {
url := fmt.Sprintf("%s/%s", strings.TrimRight(c.Source.ApiEndpointBaseUrl, "/"), strings.TrimLeft(resourceSubpath, "/"))
resp, err := c.OauthClient.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode >= 300 || resp.StatusCode < 200 {
return fmt.Errorf("An error occurred during request - %d - %s", resp.StatusCode, resp.Status)
}
err = json.NewDecoder(resp.Body).Decode(decodeModelPtr)
if err != nil {
return err
}
return err
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Helper Functions
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////