From 5be1b3cc78358abd45376b05e9d59fecb67402f8 Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Mon, 30 Dec 2019 11:36:41 -0500
Subject: Add printView and noThread query string options

- printView: no nav header, footer, action links, composer, or avatar.
- noThread: show only the target message, no replies/mentions.
---
 lib/render-msg.js |  9 +++++++--
 lib/render.js     |  6 ++++--
 lib/serve.js      | 19 +++++++++++++++++--
 3 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/lib/render-msg.js b/lib/render-msg.js
index 63489ff..dfface0 100644
--- a/lib/render-msg.js
+++ b/lib/render-msg.js
@@ -128,6 +128,7 @@ RenderMsg.prototype.wrap = function (content, cb) {
   var done = multicb({pluck: 1, spread: true})
   done()(null, [h('tr.msg-row',
     h('td.msg-left',
+      this.serve.noAvatar ? '' :
       h('div', this.render.avatarImage(this.msg.value.author, done())),
       h('div', this.render.idLinkCopyable(this.msg.value.author, done())),
       this.recpsLine(done())
@@ -192,6 +193,7 @@ RenderMsg.prototype.wrapMini = function (content, cb) {
 RenderMsg.prototype.actions = function (mini) {
   var lastMove
   var ooo = this.serve && this.serve.query.ooo
+  if (this.serve.noActions) return
   return this.msg.key ?
     h('form', {method: 'post', action: ''},
       this.msg.rel ? [this.msg.rel, ' '] : '',
@@ -240,8 +242,11 @@ RenderMsg.prototype.recpsLine = function (cb) {
   var recpsNotAuthor = recps.filter(function (link) {
     return u.linkDest(link) !== author
   })
-  var isAuthorRecp = recpsNotAuthor.length < recps.length
-  return this.render.privateLine(recpsNotAuthor, isAuthorRecp, cb)
+  return this.render.privateLine({
+    recps: recpsNotAuthor,
+    isAuthorRecp: recpsNotAuthor.length < recps.length,
+    noLockIcon: this.serve.noLockIcon
+  }, cb)
 }
 
 RenderMsg.prototype.recpsIds = function () {
diff --git a/lib/render.js b/lib/render.js
index df5d1c6..680ba39 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -372,11 +372,13 @@ Render.prototype.idLinkCopyable = function (link, cb) {
   return a
 }
 
-Render.prototype.privateLine = function (recps, isAuthorRecp, cb) {
+Render.prototype.privateLine = function (opts, cb) {
+  var recps = opts.recps
+  var isAuthorRecp = opts.isAuthorRecp
   var done = multicb({pluck: 1, spread: true})
   var self = this
   var el = h('div.recps',
-    self.lockIcon(),
+    opts.noLockIcon ? '' : self.lockIcon(),
     !isAuthorRecp ? [
       h('span', {title: 'Author is not a recipient'}, '[!]'), ' '
     ] : '',
diff --git a/lib/serve.js b/lib/serve.js
index 17f809c..034915c 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -394,6 +394,17 @@ Serve.prototype.handle = function () {
   this.query = m[5] ? qs.parse(m[5]) : {}
   this.useOoo = this.query.ooo != null ?
     Boolean(this.query.ooo) : this.app.useOoo
+  if (this.query.printView != null) {
+    this.noNav = true
+    this.noFooter = true
+    this.noComposer = true
+    this.noActions = true
+    this.noAvatar = true
+  }
+  if (this.query.noThread != null) {
+    this.noThread = true
+  }
+
   switch (m[2]) {
     case '%25': m[2] = '%'; m[1] = decodeURIComponent(m[1])
     case '%': return this.id(m[1], m[3])
@@ -1356,7 +1367,7 @@ Serve.prototype.streamThreadWithComposer = function (opts) {
       var channel = opts.channel
 
       pull(
-        self.app.getThread(rootMsg),
+        self.noThread ? pull.once(rootMsg) : self.app.getThread(rootMsg),
         pull.unique('key'),
         self.app.unboxMessages(),
         pull.through(function (msg) {
@@ -1777,6 +1788,7 @@ function styles() {
 Serve.prototype.appendFooter = function () {
   var self = this
   return function (read) {
+    if (self.noFooter) return read
     return cat([read, u.readNext(function (cb) {
       var ms = new Date() - self.startDate
       cb(null, pull.once(h('footer',
@@ -1805,6 +1817,7 @@ Serve.prototype.wrapPage = function (title, searchQ) {
         h('link', {rel: 'stylesheet', href: render.toUrl('/highlight/foundation.css')})
       ),
       h('body',
+        self.noNav ? '' :
         h('nav.nav-bar', h('form', {action: render.toUrl('/search'), method: 'get'},
           self.app.navLinks.map(function (link, i) {
             return [i == 0 ? '' : ' ',
@@ -3397,6 +3410,7 @@ Serve.prototype.wrapThread = function (opts) {
   return u.hyperwrap(function (thread, cb) {
     self.app.render.prepareLinks(opts.recps, function (err, recps) {
       if (err) return cb(er)
+      if (self.noComposer) return cb(null, thread)
       self.composer({
         placeholder: opts.placeholder
           || (recps ? 'private reply' : 'reply'),
@@ -3693,7 +3707,8 @@ Serve.prototype.composer = function (opts, cb) {
         value: JSON.stringify(blobs)}),
       h('input', {type: 'hidden', name: 'url', value: self.req.url}),
       h('input', {type: 'hidden', name: 'composer_id', value: opts.id}),
-      opts.recps ? self.app.render.privateLine(opts.recps, true, done()) :
+      opts.recps ? self.app.render.privateLine({recps: opts.recps,
+        isAuthorRecp: true}, done()) :
       opts.private ? h('div', h('input.wide', {name: 'recps', size: 70,
         value: data.recps || '', placeholder: 'recipient ids'})) : '',
       channel != null ?
-- 
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