From 62bd34b5532dd54eafb75ccf13a49eae17c8cf08 Mon Sep 17 00:00:00 2001
From: Christian Bundy <christianbundy@fraction.io>
Date: Sat, 7 Dec 2019 14:58:08 -0800
Subject: [PATCH] Add relationship info to author pages

---
 docs/roadmap.md                |  6 ++--
 src/pages/author.js            |  5 +++-
 src/pages/models/friend.js     | 53 ++++++++++++++++++++++++++++++++++
 src/pages/models/lib/cooler.js |  6 +++-
 src/pages/profile.js           |  3 +-
 src/pages/views/author.js      |  7 +++--
 6 files changed, 72 insertions(+), 8 deletions(-)
 create mode 100644 src/pages/models/friend.js

diff --git a/docs/roadmap.md b/docs/roadmap.md
index 6ba5210..a2dae4b 100644
--- a/docs/roadmap.md
+++ b/docs/roadmap.md
@@ -1,12 +1,12 @@
 # Roadmap
 
 - [ ] Get
-  - [ ] Author
+  - [x] Author
     - [x] Name
     - [x] Description
     - [x] Image
-    - [ ] Follow / unfollow (public)
-    - [ ] Block / unblock (public)
+    - [x] Follow / unfollow (public)
+    - [x] Block / unblock (public)
     - [x] Likes
     - [x] Metadata ("about" messages)
     - [x] Markdown mention
diff --git a/src/pages/author.js b/src/pages/author.js
index abad260..6e14b2a 100644
--- a/src/pages/author.js
+++ b/src/pages/author.js
@@ -2,6 +2,7 @@
 
 const about = require('./models/about')
 const post = require('./models/post')
+const friend = require('./models/friend')
 const authorView = require('./views/author')
 
 module.exports = async function authorPage (feedId) {
@@ -10,6 +11,7 @@ module.exports = async function authorPage (feedId) {
   const image = await about.image(feedId)
   const aboutPairs = await about.all(feedId)
   const messages = await post.fromFeed(feedId)
+  const relationship = await friend.getRelationship(feedId)
 
   const avatarUrl = `/image/128/${encodeURIComponent(image)}`
 
@@ -19,6 +21,7 @@ module.exports = async function authorPage (feedId) {
     name,
     description,
     avatarUrl,
-    aboutPairs
+    aboutPairs,
+    relationship
   })
 }
diff --git a/src/pages/models/friend.js b/src/pages/models/friend.js
new file mode 100644
index 0000000..5b2ca71
--- /dev/null
+++ b/src/pages/models/friend.js
@@ -0,0 +1,53 @@
+'use strict'
+
+const cooler = require('./lib/cooler')
+
+module.exports = {
+  isFollowing: async (feedId) => {
+    const ssb = await cooler.connect()
+    const { id } = await cooler.get(ssb.whoami)
+
+    const isFollowing = await cooler.get(
+      ssb.friends.isFollowing,
+      {
+        source: id,
+        dest: feedId
+      }
+    )
+    return isFollowing
+  },
+  getRelationship: async (feedId) => {
+    const ssb = await cooler.connect()
+    const { id } = await cooler.get(ssb.whoami)
+
+    if (feedId === id) {
+      return 'this is you'
+    }
+
+    const isFollowing = await cooler.get(
+      ssb.friends.isFollowing,
+      {
+        source: id,
+        dest: feedId
+      }
+    )
+
+    const isBlocking = await cooler.get(
+      ssb.friends.isBlocking,
+      {
+        source: id,
+        dest: feedId
+      }
+    )
+
+    if (isFollowing === true && isBlocking === false) {
+      return 'you are following'
+    } else if (isFollowing === false && isBlocking === true) {
+      return 'you are blocking'
+    } else if (isFollowing === false && isBlocking === false) {
+      return 'you are not following or blocking'
+    } else {
+      return 'you are following and blocking (!)'
+    }
+  }
+}
diff --git a/src/pages/models/lib/cooler.js b/src/pages/models/lib/cooler.js
index 6f87c0c..9bf131a 100644
--- a/src/pages/models/lib/cooler.js
+++ b/src/pages/models/lib/cooler.js
@@ -31,7 +31,11 @@ const rawConnect = () => new Promise((resolve, reject) => {
       status: 'async',
       whoami: 'sync',
       tangle: { branch: 'async' },
-      query: { read: 'source' }
+      query: { read: 'source' },
+      friends: {
+        isFollowing: 'async',
+        isBlocking: 'async'
+      }
     }
   }, (err, api) => {
     if (err) {
diff --git a/src/pages/profile.js b/src/pages/profile.js
index 4e23b42..f6d3436 100644
--- a/src/pages/profile.js
+++ b/src/pages/profile.js
@@ -23,6 +23,7 @@ module.exports = async function profilePage () {
     name,
     description,
     avatarUrl,
-    aboutPairs
+    aboutPairs,
+    relationship: null
   })
 }
diff --git a/src/pages/views/author.js b/src/pages/views/author.js
index 3e68952..33b8f67 100644
--- a/src/pages/views/author.js
+++ b/src/pages/views/author.js
@@ -10,6 +10,7 @@ const {
   img,
   pre,
   section,
+  span,
   table,
   tbody,
   td,
@@ -27,7 +28,8 @@ module.exports = ({
   description,
   feedId,
   messages,
-  name
+  name,
+  relationship
 }) => {
   const mention = `[@${name}](${feedId})`
   const markdownMention = highlightJs.highlight('markdown', mention).value
@@ -63,7 +65,8 @@ module.exports = ({
       : null,
     metaTable,
     footer(
-      a({ href: `/likes/${encodeURIComponent(feedId)}` }, 'view likes')
+      a({ href: `/likes/${encodeURIComponent(feedId)}` }, 'view likes'),
+      span(relationship)
     )
   )