Render npm-publish messages

3 files changed, 129 insertions, 6 deletions

diff --git a/lib/render-msg.js b/lib/render-msg.js
index 8346baf..262b6e7 100644
--- a/lib/render-msg.js
+++ b/lib/render-msg.js
@@ -241,6 +241,7 @@ RenderMsg.prototype.message = function (cb) {
     case 'wifi-network': return this.wifiNetwork(cb)
     case 'mutual/credit': return this.mutualCredit(cb)
     case 'mutual/account': return this.mutualAccount(cb)
+    case 'npm-publish': return this.npmPublish(cb)
     default: return this.object(cb)
   }
 }
@@ -268,13 +269,9 @@ RenderMsg.prototype.markdownSource = function (text, mentions) {
 RenderMsg.prototype.post = function (cb) {
   var self = this
   var done = multicb({pluck: 1, spread: true})
-  var branchDone = multicb({pluck: 1})
-  u.toArray(self.c.branch).forEach(function (branch) {
-    self.link(branch, branchDone())
-  })
   if (self.c.root === self.c.branch) done()()
   else self.link(self.c.root, done())
-  branchDone(done())
+  self.links(self.c.branch, done())
   done(function (err, rootLink, branchLinks) {
     if (err) return self.wrap(u.renderError(err), cb)
     self.wrap(h('div.ssb-post',
@@ -347,6 +344,8 @@ RenderMsg.prototype.title = function (cb) {
   } else {
     if (self.c.type === 'ssb-dns')
       cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
+    else if (self.c.type === 'npm-publish')
+      self.npmPublishTitle(cb)
     else
     self.app.getAbout(self.msg.key, function (err, about) {
       if (err) return cb(err)
@@ -389,6 +388,15 @@ RenderMsg.prototype.link1 = function (link, cb) {
   return a
 }
 
+RenderMsg.prototype.links = function (links, cb) {
+  var self = this
+  var done = multicb({pluck: 1})
+  u.toArray(links).forEach(function (link) {
+    self.link(link, done())
+  })
+  done(cb)
+}
+
 function dateTime(d) {
   var date = new Date(d.epoch)
   return date.toString()
@@ -840,3 +848,94 @@ RenderMsg.prototype.micro = function (cb) {
   var el = h('span', {innerHTML: unwrapP(this.markdown())})
   this.wrapMini(el, cb)
 }
+
+function hJoin(els, seperator) {
+  return els.map(function (el, i) {
+    return [i === 0 ? '' : separator, el]
+  })
+}
+
+function asNpmReadme(readme) {
+  if (!readme || readme === 'ERROR: No README data found!') return
+  return u.ifString(readme)
+}
+
+RenderMsg.prototype.npmPublish = function (cb) {
+  var self = this
+  var render = self.render
+  var pkg = self.c.meta || {}
+  var pkgReadme = asNpmReadme(pkg.readme)
+  var pkgDescription = u.ifString(pkg.description)
+
+  var versions = Object.keys(pkg.versions || {})
+  var singleVersion = versions.length === 1 ? versions[0] : null
+  var singleRelease = singleVersion && pkg.versions[singleVersion]
+  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
+
+  var distTags = pkg['dist-tags'] || {}
+  var distTagged = {}
+  for (var distTag in distTags)
+    if (distTag !== 'latest')
+      distTagged[distTags[distTag]] = distTag
+
+  self.links(self.c.previousPublish, function (err, prevLinks) {
+    if (err) return cb(err)
+    self.wrap([
+      h('div',
+        'published ',
+        h('u', pkg.name), ' ',
+        hJoin(versions.map(function (version) {
+          var distTag = distTagged[version]
+          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
+        }), ', ')
+      ),
+      pkgDescription ? h('div', h('q', self.linkify(pkgDescription))) : '',
+      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
+      pkgReadme && pkgReadme !== singleReadme ?
+        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
+      versions.map(function (version, i) {
+        var release = pkg.versions[version] || {}
+        var license = u.ifString(release.license)
+        var author = release.author
+        var description = u.ifString(release.description)
+        var readme = asNpmReadme(release.readme)
+        var keywords = u.toArray(release.keywords).map(u.ifString)
+        var dist = release.dist || {}
+        var size = u.ifNumber(dist.size)
+        return [
+          h > 0 ? h('br') : '',
+          version !== singleVersion ? h('div', 'version: ', version) : '',
+          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
+          license ? h('div', 'license: ', h('code', license)) : '',
+          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
+          size ? h('div', 'size: ', render.formatSize(size)) : '',
+          description && description !== pkgDescription ?
+            h('div', h('q', self.linkify(description))) : '',
+          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
+        ]
+      })
+    ], cb)
+  })
+}
+
+RenderMsg.prototype.npmPublishTitle = function (cb) {
+  var pkg = this.c.meta || {}
+  var name = pkg.name || pkg._id || '?'
+
+  var taggedVersions = {}
+  for (var version in pkg.versions || {})
+    taggedVersions[version] = []
+
+  var distTags = pkg['dist-tags'] || {}
+  for (var distTag in distTags) {
+    if (distTag === 'latest') continue
+    var version = distTags[distTag] || '?'
+    var tags = taggedVersions[version] || (taggedVersions[version] = [])
+    tags.push(distTag)
+  }
+
+  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
+    var tags = taggedVersions[version]
+    return (tags.length ? tags.join(',') + ':' : '') + version
+  }).join(','))
+}
diff --git a/lib/render.js b/lib/render.js
index fdff95c..2aef6b4 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -346,3 +346,19 @@ Render.prototype.getNameLink = function (id, cb) {
     cb(null, h('a', {href: self.toUrl(id)}, name))
   })
 }
+
+Render.prototype.npmAuthorLink = function (author) {
+  if (!author) return
+  var url = u.ifString(author.url)
+  var email = u.ifString(author.email)
+  var name = u.ifString(author.name)
+  if (!url && !email) return name || JSON.stringify(author)
+  if (!url && email) url = 'mailto:' + email, email = null
+  if (!name && email) name = email, email = null
+  if (!name && url) name = url
+  var secondaryLink = email && h('a', {href: this.toUrl('mailto:' + email)}, email)
+  return [
+    h('a', {href: this.toUrl(url)}, name),
+    secondaryLink ? [' (', secondaryLink, ')'] : ''
+  ]
+}
diff --git a/lib/util.js b/lib/util.js
index 57183d2..713705d 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -63,12 +63,20 @@ u.hyperwrap = function (fn) {
   }
 }
 
+u.ifString = function (str) {
+  if (typeof str === 'string') return str
+}
+
+u.ifNumber = function (num) {
+  if (!isNaN(num)) return num
+}
+
 u.toLink = function (link) {
   return typeof link === 'string' ? {link: link} : link
 }
 
 u.linkDest = function (link) {
-  return typeof link === 'string' ? link : link && link.link || link
+  return link && (u.ifString(link) || u.ifString(link.link))
 }
 
 u.toArray = function (x) {