Method ChangeApplicationPlan

api/dashboard/client.go:467–507

ChangeApplicationPlan changes the plan of an application

(accessToken, appID, plan string)

// ChangeApplicationPlan changes the plan of an application
func (c *Client) ChangeApplicationPlan(accessToken, appID, plan string) (*Application, error) {
	payload := ChangePlanRequest{Plan: plan}
	body, err := json.Marshal(payload)
	if err != nil {
		return nil, err
	}

	endpoint := fmt.Sprintf(
		"%s/1/applications/%s/plan/self-serve",
		c.APIURL,
		url.PathEscape(appID),
	)
	req, err := http.NewRequest(http.MethodPatch, endpoint, bytes.NewReader(body))
	if err != nil {
		return nil, err
	}
	c.setAPIHeaders(req, accessToken)
	req.Header.Set("Content-Type", "application/json")

	resp, err := c.client.Do(req)
	if err != nil {
		return nil, fmt.Errorf("Couldn't change your application's plan: %w", err)
	}
	defer resp.Body.Close()

	if resp.StatusCode == http.StatusUnauthorized {
		return nil, ErrSessionExpired
	}
	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
		return nil, fmt.Errorf("Couldn't change your application's plan: %d", resp.StatusCode)
	}

	respBody, _ := io.ReadAll(resp.Body)
	var singleResp SingleApplicationResponse
	if err := json.Unmarshal(respBody, &singleResp); err == nil &&
		singleResp.Data.Attributes.ApplicationID != "" {
		app := singleResp.Data.toApplication()
		return &app, nil
	}
	return &Application{ID: appID}, nil
}

// ListRegions returns the allowed hosting regions for application creation.
func (c *Client) ListRegions(accessToken string) ([]Region, error) {