Fix #114. support query string in path

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log #
 
+## v2.3.1 ##
+
+* `[FIX]` [#114](https://github.com/huandu/facebook/pull/114) Query string in the path (e.g. `fb.Get("/me?fields=name,email", nil)`) works as expected now. Thanks, [@AsifArko](https://github.com/AsifArko).
+
 ## v2.3.0 ##
 
 * `[FIX]` [#110](https://github.com/huandu/facebook/pull/110) Use HTTP GET to send request in which the method is `GET`. Thank [@nayakravi](https://github.com/nayakravi) for raising this issue, and Thank [@AlphaB](https://github.com/AlphaB) and [@robbiet480](https://github.com/robbiet480) for your valuable inputs.

session.go

@@ -19,6 +19,7 @@ import (
 	"net/http"
 	"net/url"
 	"regexp"
+	"strings"
 )
 
 // Graph API debug mode values.
@@ -343,6 +344,34 @@ func (session *Session) graph(path string, method Method, params Params) (res Re
 
 	session.prepareParams(params)
 
+	// parse path only if path contains '?'.
+	// url.ParseRequestURI cannot parse uri without "/" like "me".
+	if strings.Contains(path, "?") {
+		// parse query string in path.
+		u, e := url.ParseRequestURI(path)
+
+		if e != nil {
+			err = e
+			return
+		}
+
+		path = u.Path
+
+		if u.RawQuery != "" {
+			query, e := url.ParseQuery(u.RawQuery)
+
+			if e != nil {
+				err = e
+				return
+			}
+
+			// use these queries to overwrite the value in params.
+			for k := range query {
+				params[k] = query.Get(k)
+			}
+		}
+	}
+
 	var urlParams Params
 
 	if method == GET {

session_test.go

@@ -101,6 +101,8 @@ func TestUploadingBinary(t *testing.T) {
 		t.Skipf("skip this case as we don't have a valid access token.")
 	}
 
+	t.Skipf("facebook doesn't support uploading photo to timeline.")
+
 	buf := bytes.NewBufferString(FB_TEST_BINARY_JPG_FILE)
 	reader := base64.NewDecoder(base64.StdEncoding, buf)
 
@@ -367,3 +369,34 @@ func TestSessionWithCustomBaseUrl(t *testing.T) {
 		t.Fatal("no call to mock server")
 	}
 }
+
+func TestGetWithQueryString(t *testing.T) {
+	if FB_TEST_VALID_ACCESS_TOKEN == "" {
+		t.Skipf("skip this case as we don't have a valid access token.")
+	}
+
+	session := &Session{}
+	session.SetAccessToken(FB_TEST_VALID_ACCESS_TOKEN)
+
+	id, err := session.User()
+
+	if err != nil {
+		t.Fatalf("cannot get current user id. [e:%v]", err)
+	}
+
+	t.Logf("current user id is %v", id)
+
+	result, e := Api("/me?access_token="+FB_TEST_VALID_ACCESS_TOKEN, GET, Params{
+		"fields": "name,email",
+	})
+
+	if e != nil {
+		t.Fatalf("cannot get my extended info. [e:%v]", e)
+	}
+
+	if result.Get("name") == nil || result.Get("email") == nil {
+		t.Fatalf("fail to get my extend info. [result:%v]", result)
+	}
+
+	t.Logf("my extended info is: %v", result)
+}