add Fetch method to clients which follows redirects

There are currently only gopher, gemini, and spartan clients. The finger client will have to implement this when it is written.

The Fetch method takes the url as a string for convenience, and parses it into a URL for RoundTrip.

Fixes #3

1 files changed, 10 insertions, 0 deletions

diff --git a/gopher/client.go b/gopher/client.go
index fad9413..163d0cd 100644
--- a/gopher/client.go
+++ b/gopher/client.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"io"
 	"net"
+	neturl "net/url"
 
 	sr "tildegit.org/tjp/sliderule"
 )
@@ -53,3 +54,12 @@ func (c Client) RoundTrip(request *sr.Request) (*sr.Response, error) {
 
 	return &sr.Response{Body: bytes.NewBuffer(response)}, nil
 }
+
+// Fetch parses a URL string and fetches the gopher resource.
+func (c Client) Fetch(url string) (*sr.Response, error) {
+	u, err := neturl.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+	return c.RoundTrip(&sr.Request{URL: u})
+}