From 35fe45cff5223c7449614d5ae7ddc6da73d337ec Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Mon, 12 Jun 2017 16:01:56 -1000
Subject: Fix timestamp gt/lt handling

---
 lib/app.js | 88 ++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 43 insertions(+), 45 deletions(-)

diff --git a/lib/app.js b/lib/app.js
index eca2a9f..433a179 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -472,31 +472,42 @@ App.prototype.streamEmojis = function () {
   )
 }
 
-App.prototype.streamChannel = function (opts) {
-  if (this.sbot.backlinks) return this.sbot.backlinks.read(u.mergeOpts(opts, {
-    query: [{$filter: {
-      dest: '#' + opts.channel,
-      value: {
-        content: {
-          type: 'post'
+App.prototype.filter = function (plugin, opts, filter) {
+  // work around flumeview-query not supporting $lt/$gt.
+  // %FCIv0D7JQyERznC18p8Dc1KtN6SLeJAl1sR5DAIr/Ek=.sha256
+  return pull(
+    plugin.read({
+      reverse: opts.reverse,
+      limit: opts.limit && (opts.limit + 1),
+      query: [{$filter: u.mergeOpts(filter, {
+        timestamp: {
+          $gte: opts.gt,
+          $lte: opts.lt,
         }
-      },
-      timestamp: {
-        $gt: opts.gt,
-        $lt: opts.lt,
-      }
-    }}]
-  }))
-
-  if (this.sbot.query) return this.sbot.query.read(u.mergeOpts(opts, {
-    query: [{$filter: {
-      value: {content: {channel: opts.channel}},
-      timestamp: {
-        $gt: opts.gt,
-        $lt: opts.lt,
+      })}]
+    }),
+    pull.filter(function (msg) {
+      return msg && msg.timestamp !== opts.lt && msg.timestamp !== opts.gt
+    }),
+    opts.limit && pull.take(opts.limit)
+  )
+}
+
+App.prototype.streamChannel = function (opts) {
+  // prefer ssb-backlinks to ssb-query because it also handles hashtag mentions
+  if (this.sbot.backlinks) return this.filter(this.sbot.backlinks, opts, {
+    dest: '#' + opts.channel,
+    value: {
+      // filter by message type to work around %b+QdyLFQ21UGYwvV3AiD8FEr7mKlB8w9xx3h8WzSUb0=.sha256
+      content: {
+        type: 'post'
       }
-    }}]
-  }))
+    }
+  })
+
+  if (this.sbot.query) return this.filter(this.sbot.query, opts, {
+    value: {content: {channel: opts.channel}},
+  })
 
   return pull.error(new Error(
     'Viewing channels/tags requires the ssb-backlinks or ssb-query plugin'))
@@ -506,32 +517,19 @@ App.prototype.streamMentions = function (opts) {
   if (!this.sbot.backlinks) return pull.error(new Error(
     'Viewing mentions requires the ssb-backlinks plugin'))
 
-  if (this.sbot.backlinks) return this.sbot.backlinks.read(u.mergeOpts(opts, {
-    query: [{$filter: {
-      dest: this.sbot.id,
-      value: {
-        content: {
-          type: 'post'
-        }
-      },
-      timestamp: {
-        $gt: opts.gt,
-        $lt: opts.lt,
+  if (this.sbot.backlinks) return this.filter(this.sbot.backlinks, opts, {
+    dest: this.sbot.id,
+    value: {
+      // filter by message type to work around %b+QdyLFQ21UGYwvV3AiD8FEr7mKlB8w9xx3h8WzSUb0=.sha256
+      content: {
+        type: 'post'
       }
-    }}]
-  }))
+    }
+  })
 }
 
 App.prototype.streamPrivate = function (opts) {
-  if (this.sbot.private.read) return this.sbot.private.read(u.mergeOpts(opts, {
-    query: [{$filter: {
-      timestamp: {
-        $gt: opts.gt,
-        $lt: opts.lt,
-      }
-    }}]
-  }))
-
+  if (this.sbot.private.read) return this.filter(this.sbot.private, opts, {})
 
   return pull
     this.createLogStream(u.mergeOpts(opts, {limit: null}),
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