feat: allow to configure custom api url for relay and import (resolve #105)

routes/utils/heartbeat_utils.go

@@ -0,0 +1,53 @@
+package utils
+
+import (
+	"bytes"
+	"encoding/json"
+	"github.com/muety/wakapi/models"
+	"io/ioutil"
+	"net/http"
+)
+
+func ParseHeartbeats(r *http.Request) ([]*models.Heartbeat, error) {
+	heartbeats, err := tryParseBulk(r)
+	if err == nil {
+		return heartbeats, err
+	}
+
+	heartbeats, err = tryParseSingle(r)
+	if err == nil {
+		return heartbeats, err
+	}
+
+	return []*models.Heartbeat{}, err
+}
+
+func tryParseBulk(r *http.Request) ([]*models.Heartbeat, error) {
+	var heartbeats []*models.Heartbeat
+
+	body, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+	r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
+
+	dec := json.NewDecoder(ioutil.NopCloser(bytes.NewBuffer(body)))
+	if err := dec.Decode(&heartbeats); err != nil {
+		return nil, err
+	}
+
+	return heartbeats, nil
+}
+
+func tryParseSingle(r *http.Request) ([]*models.Heartbeat, error) {
+	var heartbeat models.Heartbeat
+
+	body, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+	r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
+
+	dec := json.NewDecoder(ioutil.NopCloser(bytes.NewBuffer(body)))
+	if err := dec.Decode(&heartbeat); err != nil {
+		return nil, err
+	}
+
+	return []*models.Heartbeat{&heartbeat}, nil
+}