39 lines
1011 B
Go
39 lines
1011 B
Go
package template
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import (
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"net/http"
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"forge.cadoles.com/wpetit/goweb/service"
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"github.com/pkg/errors"
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)
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// ServiceName defines the Tempate service name
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const ServiceName service.Name = "template"
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// Service is a templating service
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type Service interface {
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RenderPage(w http.ResponseWriter, templateName string, data interface{}) error
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}
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// From retrieves the template service in the given container
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func From(container *service.Container) (Service, error) {
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service, err := container.Service(ServiceName)
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if err != nil {
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return nil, errors.Wrapf(err, "error while retrieving '%s' service", ServiceName)
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}
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templateService, ok := service.(Service)
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if !ok {
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return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName)
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}
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return templateService, nil
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}
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// Must retrieves the template service in the given container or panic otherwise
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func Must(container *service.Container) Service {
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service, err := From(container)
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if err != nil {
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panic(err)
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}
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return service
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}
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