Add metric type to metric struct.

internal/application/parser.go

@@ -48,7 +48,7 @@ func (a *Application) parse(body string) map[string]models.Metric {
 			}
 		}
 
-		metric := models.NewMetric(name, "", params)
+		metric := models.NewMetric(name, "", "", params)
 		metric.SetValue(value)
 
 		data[name] = metric

internal/models/metric.go

@@ -8,15 +8,18 @@ type Metric struct {
 	Description string
 	// Additional parameters, data inside "{}".
 	Params []string
+	// Type is a metric type.
+	Type string
 	// Metric value.
 	Value string
 }
 
 // NewMetric creates new structure for storing single metric data.
-func NewMetric(name, description string, params []string) Metric {
+func NewMetric(name, mType, description string, params []string) Metric {
 	m := Metric{
 		Name:        name,
 		Description: description,
+		Type:        mType,
 		Params:      params,
 	}
 

internal/storage/memory/memory.go

@@ -40,7 +40,7 @@ func (s *Storage) Get(key string) (models.Metric, error) {
 
 	data, found := s.data[key]
 	if !found {
-		return models.NewMetric("", "", nil), ErrMetricNotFound
+		return models.NewMetric("", "", "", nil), ErrMetricNotFound
 	}
 
 	return data, nil