From 8c420a8d3bd2ae01b8ecb8409e951c5fde1e0f8d Mon Sep 17 00:00:00 2001
From: Anders Rune Jensen <arj03@protonmail.ch>
Date: Sat, 20 May 2017 21:37:25 +0200
Subject: [PATCH] Limit channel & feed serving by default

---
 index.js  | 16 +++++++++++-----
 render.js |  8 ++++----
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/index.js b/index.js
index 61f98ab..5b00d6c 100644
--- a/index.js
+++ b/index.js
@@ -93,11 +93,14 @@ exports.init = function (sbot, config) {
   function serveFeed(req, res, feedId) {
       console.log("serving feed: " + feedId)
 
+      var showAll = req.url.endsWith("?showAll")
+      var showAllHTML = showAll ? '' : '<br/><a href="' + req.url + '?showAll">Show whole feed</a>'
+
       getAbout(feedId, function (err, about) {
-        if (err) return respond(res, 500, err.stack || err)
+          if (err) return respond(res, 500, err.stack || err)
 
 	  pull(
-	      sbot.createUserStream({ id: feedId, reverse: true }),
+	      sbot.createUserStream({ id: feedId, reverse: true, limit: showAll ? -1 : 10 }),
 	      pull.collect(function (err, logs) {
 		  if (err) return respond(res, 500, err.stack || err)
 		  res.writeHead(200, {
@@ -109,7 +112,7 @@ exports.init = function (sbot, config) {
 		      paramap(addFollowAbout, 8),
 		      paramap(addVoteMessage, 8),
 		      paramap(addGitLinks, 8),
-		      pull(renderAbout(defaultOpts, about), wrapPage(about.name)),
+		      pull(renderAbout(defaultOpts, about, showAllHTML), wrapPage(about.name)),
 		      toPull(res, function (err) {
 			  if (err) console.error('[viewer]', err)
 		      })
@@ -191,9 +194,12 @@ exports.init = function (sbot, config) {
   function serveChannel(req, res, url) {
       var channelId = url.substring(url.lastIndexOf('channel/')+8, 100)
       console.log("serving channel: " + channelId)
+
+      var showAll = req.url.endsWith("?showAll")
+      var showAllHTML = showAll ? '' : '<br/><a href="' + req.url + '?showAll">Show whole feed</a>'
       
       pull(
-	  sbot.query.read({ limit: 500, reverse: true, query: [{$filter: { value: { content: { channel: channelId }}}}]}),
+	  sbot.query.read({ limit: showAll ? 300 : 10, reverse: true, query: [{$filter: { value: { content: { channel: channelId }}}}]}),
 	  pull.collect(function (err, logs) {
 	      if (err) return respond(res, 500, err.stack || err)
 	      res.writeHead(200, {
@@ -203,7 +209,7 @@ exports.init = function (sbot, config) {
 		  pull.values(logs),
 		  paramap(addAuthorAbout, 8),
 		  paramap(addVoteMessage, 8),
-		  pull(renderThread(defaultOpts), wrapPage('#' + channelId)),
+		  pull(renderThread(defaultOpts, showAllHTML), wrapPage('#' + channelId)),
 		  toPull(res, function (err) {
 		      if (err) console.error('[viewer]', err)
 		  })
diff --git a/render.js b/render.js
index 625e068..0ffedff 100644
--- a/render.js
+++ b/render.js
@@ -95,7 +95,7 @@ function wrap(before, after) {
   };
 }
 
-function renderAbout(opts, about) {
+function renderAbout(opts, about, showAllHTML = "") {
   return pull(
     pull.map(renderMsg.bind(this, opts)),
     wrap(
@@ -111,7 +111,7 @@ function renderAbout(opts, about) {
 	     marked(about.description, opts.marked) : '') +
 	    '</figcaption></figure></header></article>', 
 
-      '</main>' +
+      showAllHTML + '</main>' +
       '<a class="call-to-action" href="https://www.scuttlebutt.nz">' +
         'Join Scuttlebutt now' +
       '</a>'
@@ -119,7 +119,7 @@ function renderAbout(opts, about) {
   );
 }
 
-function renderThread(opts) {
+function renderThread(opts, showAllHTML = "") {
   return pull(
     pull.map(renderMsg.bind(this, opts)),
     wrap(
@@ -128,7 +128,7 @@ function renderThread(opts) {
       '</span>' +
       '<main>',
 
-      '</main>' +
+      showAllHTML + '</main>' +
       '<a class="call-to-action" href="https://www.scuttlebutt.nz">' +
         'Join Scuttlebutt now' +
       '</a>'