Finishing up changes from previous commit

datastore/species.go

@@ -39,3 +39,25 @@ func (s *speciesStore) List(opt *models.SpeciesListOptions) ([]*models.Species,
 	}
 	return species, nil
 }
+
+func (s *speciesStore) Update(id int64, species *models.Species) (bool, error) {
+	_, err := s.Get(id)
+	if err != nil {
+		return false, err
+	}
+
+	if id != species.Id {
+		return false, models.ErrSpeciesNotFound
+	}
+
+	changed, err := s.dbh.Update(species)
+	if err != nil {
+		return false, err
+	}
+
+	if changed == 0 {
+		return false, ErrNoRowsUpdated
+	}
+
+	return true, nil
+}

datastore/species_test.go

@@ -111,8 +111,8 @@ func TestSpeciesStore_Update_db(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	created := &model.Species{GenusId: genus.Id, SpeciesName: "Test Species"}
-	_, err := d.Species.Create(created)
+	species := &models.Species{GenusId: genus.Id, SpeciesName: "Test Species"}
+	created, err := d.Species.Create(species)
 	if err != nil {
 		t.Fatal(err)
 	}