Surfshark (#167)

internal/params/surfshark.go

@@ -0,0 +1,15 @@
+package params
+
+import (
+	"strings"
+
+	"github.com/qdm12/private-internet-access-docker/internal/constants"
+	"github.com/qdm12/private-internet-access-docker/internal/models"
+)
+
+// GetSurfsharkRegion obtains the region for the Surfshark server from the
+// environment variable REGION
+func (p *reader) GetSurfsharkRegion() (region models.SurfsharkRegion, err error) {
+	s, err := p.envParams.GetValueIfInside("REGION", constants.SurfsharkRegionChoices())
+	return models.SurfsharkRegion(strings.ToLower(s)), err
+}