From 5fafec89b671c52ef3bd59ccbef317c9bb4ccaea Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Thu, 20 Apr 2017 17:54:19 -0700
Subject: Set timestamp cookie for /new on "catchup"

---
 lib/serve.js | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/serve.js b/lib/serve.js
index ce37490..d63be2f 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -276,13 +276,24 @@ Serve.prototype.public = function (ext) {
   )
 }
 
+Serve.prototype.setCookie = function (key, value, options) {
+  var header = key + '=' + value
+  if (options) for (var k in options) {
+    header += '; ' + k + '=' + options[k]
+  }
+  this.res.setHeader('Set-Cookie', header)
+}
+
 Serve.prototype.new = function (ext) {
   var self = this
   var q = self.query
+  var latest = (/latest=([^;]*)/.exec(self.req.headers.cookie) || [])[1]
   var opts = {
-    gt: Number(q.gt) || Date.now(),
+    gt: Number(q.gt) || Number(latest) || Date.now(),
   }
 
+  if (q.catchup) self.setCookie('latest', opts.gt, {'Max-Age': 86400000})
+
   var read = self.app.createLogStream(opts)
   self.req.on('closed', function () {
     console.error('closing')
@@ -305,7 +316,7 @@ Serve.prototype.new = function (ext) {
       pull.values(msgs),
       self.renderThread(opts, null, q),
       self.wrapNew({
-        gt: isFinite(maxTS) ? maxTS : opts.gt
+        gt: isFinite(maxTS) ? maxTS : Date.now()
       }),
       self.wrapMessages(),
       self.wrapPage('new'),
@@ -865,7 +876,7 @@ Serve.prototype.wrapPage = function (title, searchQ) {
       ),
       h('body',
         h('nav.nav-bar', h('form', {action: render.toUrl('/search'), method: 'get'},
-          h('a', {href: render.toUrl('/new?gt=' + Date.now())}, 'new') , ' ',
+          h('a', {href: render.toUrl('/new')}, 'new') , ' ',
           h('a', {href: render.toUrl('/public')}, 'public'), ' ',
           h('a', {href: render.toUrl('/private')}, 'private') , ' ',
           h('a', {href: render.toUrl('/peers')}, 'peers') , ' ',
@@ -1066,7 +1077,8 @@ Serve.prototype.wrapNew = function (opts) {
           thread,
           h('tr', h('td.paginate', {colspan: 3},
             h('a', {href: '?' + qs.stringify({
-              gt: opts.gt
+              gt: opts.gt,
+              catchup: 1,
             })}, '↓ catchup')
           ))
         )
-- 
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