From 5b84668e1d771b02d6f0379a97813b8e9bd24651 Mon Sep 17 00:00:00 2001
From: Daniel Erat <dan@erat.org>
Date: Fri, 1 Jul 2011 21:31:41 +0000
Subject: [PATCH] ui: Linkify paths on permanode page.

Change-Id: I056896715b174bd3abd91799a86c73f3a8d83d3f
---
 server/go/camlistored/ui.go           | 16 +++++++++++++++-
 server/go/camlistored/ui/permanode.js | 27 +++++++++++++++++++++------
 2 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/server/go/camlistored/ui.go b/server/go/camlistored/ui.go
index 2e9f4e778..1756132ee 100644
--- a/server/go/camlistored/ui.go
+++ b/server/go/camlistored/ui.go
@@ -38,6 +38,7 @@ import (
 	"camli/misc/resize"
 	"camli/misc/vfs" // TODO: ditch this once pkg http gets it
 	"camli/schema"
+	"camli/search"
 	uistatic "camlistore.org/server/uistatic"
 )
 
@@ -68,6 +69,7 @@ type UIHandler struct {
 
 	Storage blobserver.Storage // of BlobRoot
 	Cache   blobserver.Storage // or nil
+	Search  *search.Handler    // or nil
 }
 
 func init() {
@@ -134,6 +136,11 @@ func newUiFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler,
 		ui.Cache = bs
 	}
 
+	if ui.SearchRoot != "" {
+		h, _ := ld.GetHandler(ui.SearchRoot)
+		ui.Search = h.(*search.Handler)
+	}
+
 	return ui, nil
 }
 
@@ -213,11 +220,18 @@ func (ui *UIHandler) serveDiscovery(rw http.ResponseWriter, req *http.Request) {
 
 	pubRoots := map[string]interface{}{}
 	for key, pubh := range ui.PublishRoots {
-		pubRoots[pubh.RootName] = map[string]interface{}{
+		m := map[string]interface{}{
 			"name": pubh.RootName,
 			"prefix": []string{key},
 			// TODO: include gpg key id
 		}
+		if ui.Search != nil {
+			pn, err := ui.Search.Index().PermanodeOfSignerAttrValue(ui.Search.Owner(), "camliRoot", pubh.RootName)
+			if err == nil {
+				m["currentPermanode"] = pn.String()
+			}
+		}
+		pubRoots[pubh.RootName] = m
 	}
 
 	bytes, _ := json.Marshal(map[string]interface{}{
diff --git a/server/go/camlistored/ui/permanode.js b/server/go/camlistored/ui/permanode.js
index f8ce1f5f3..7cb58fac6 100644
--- a/server/go/camlistored/ui/permanode.js
+++ b/server/go/camlistored/ui/permanode.js
@@ -522,13 +522,28 @@ function buildPathsList() {
                     var span = document.createElement("span");
                     li.appendChild(span);
 
-                    var a = document.createElement("a");
-                    a.href = ".?p=" + path.baseRef;
-                    a.innerText = path.baseRef;
-                    span.appendChild(a);
+                    var blobLink = document.createElement("a");
+                    blobLink.href = ".?p=" + path.baseRef;
+                    blobLink.innerText = path.baseRef;
+                    span.appendChild(blobLink);
 
-                    var text = document.createTextNode(" - " + path.suffix);
-                    span.appendChild(text);
+                    span.appendChild(document.createTextNode(" - "));
+
+                    var pathLink = document.createElement("a");
+                    pathLink.href = "";
+                    pathLink.innerText = path.suffix;
+                    for (var key in Camli.config.publishRoots) {
+                        var root = Camli.config.publishRoots[key];
+                        if (root.currentPermanode == path.baseRef) {
+                            // Prefix should include a trailing slash.
+                            pathLink.href = root.prefix[0] + path.suffix;
+                            // TODO: Check if we're the latest permanode
+                            // for this path and display some "old" notice
+                            // if not.
+                            break;
+                        }
+                    }
+                    span.appendChild(pathLink);
 
                     var del = document.createElement("span");
                     del.className = "camli-del";