feat: initial commit

reach/client/protocol/v2/internal.go

@@ -0,0 +1,127 @@
+package v2
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"forge.cadoles.com/cadoles/go-emlid/reach/client/protocol/v2/model"
+	"github.com/pkg/errors"
+)
+
+func (o *Operations) getURL(path string) string {
+	return fmt.Sprintf("http://%s%s", o.addr, path)
+}
+
+func (o *Operations) GetJSON(path string, dst any) error {
+	var res *http.Response
+
+	url := o.getURL(path)
+	res, err := http.Get(url)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if res.StatusCode < http.StatusOK || res.StatusCode >= http.StatusBadRequest {
+		return errors.Errorf("unexpected http status code %d (%s)", res.StatusCode, res.Status)
+	}
+
+	defer func() {
+		if err := res.Body.Close(); err != nil {
+			errors.WithStack(err)
+		}
+	}()
+
+	var body []byte
+
+	body, err = io.ReadAll(res.Body)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err = json.Unmarshal(body, dst); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}
+
+func (o *Operations) PostJSON(path string, data any, dst any) error {
+	var res *http.Response
+
+	var buf bytes.Buffer
+
+	encoder := json.NewEncoder(&buf)
+	if err := encoder.Encode(data); err != nil {
+		return errors.WithStack(err)
+	}
+
+	url := o.getURL(path)
+	res, err := http.Post(url, "application/json", &buf)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if res.StatusCode < http.StatusOK || res.StatusCode >= http.StatusBadRequest {
+		return errors.Errorf("unexpected http status code %d (%s)", res.StatusCode, res.Status)
+	}
+
+	defer func() {
+		if err := res.Body.Close(); err != nil {
+			errors.WithStack(err)
+		}
+	}()
+
+	var body []byte
+
+	body, err = io.ReadAll(res.Body)
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err = json.Unmarshal(body, dst); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}
+
+func (o *Operations) PostBaseCoordinates(ctx context.Context, base *model.Base) (*model.Base, error) {
+	var updated model.Base
+
+	if err := o.PostJSON("/configuration/base_mode/base_coordinates", base, &updated); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return &updated, nil
+}
+
+func (o *Operations) GetUpdater(ctx context.Context) (*model.Updater, error) {
+	updater := &model.Updater{}
+	if err := o.GetJSON("/updater", updater); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return updater, nil
+}
+
+func (o *Operations) GetInfo(ctx context.Context) (*model.Info, error) {
+	info := &model.Info{}
+	if err := o.GetJSON("/info", info); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return info, nil
+}
+
+func (o *Operations) GetConfiguration(ctx context.Context) (*model.Configuration, error) {
+	config := &model.Configuration{}
+	if err := o.GetJSON("/configuration", config); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return config, nil
+}