Merge pull request #52 from fraction/follow-unfollow

Add follow and unfollow

CHANGELOG.md

@@ -16,6 +16,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Security
 -->
 
+## [Unreleased]
+
+### Added
+
+- Add follow/unfollow
+
 ## [2.1.0] - 2019-09-24
 
 ### Added

src/index.js

@@ -454,6 +454,18 @@ router
     ctx.body = await publish({ text })
     ctx.redirect('/')
   })
+  .post('/follow/:feed', koaBody(), async (ctx) => {
+    const { feed } = ctx.params
+    const referer = new URL(ctx.request.header.referer)
+    ctx.body = await friend.follow(feed)
+    ctx.redirect(referer)
+  })
+  .post('/unfollow/:feed', koaBody(), async (ctx) => {
+    const { feed } = ctx.params
+    const referer = new URL(ctx.request.header.referer)
+    ctx.body = await friend.unfollow(feed)
+    ctx.redirect(referer)
+  })
   .post('/like/:message', koaBody(), async (ctx) => {
     const { message } = ctx.params
     // TODO: convert all so `message` is full message and `messageKey` is key

src/models/index.js

@@ -126,6 +126,29 @@ module.exports = (cooler) => {
       )
       return isFollowing
     },
+    setFollowing: async ({ feedId, following }) => {
+      const ssb = await cooler.connect()
+
+      const content = {
+        type: 'contact',
+        contact: feedId,
+        following
+      }
+
+      return cooler.get(ssb.publish, content)
+    },
+    follow: async (feedId) => {
+      const isFollowing = await models.friend.isFollowing(feedId)
+      if (!isFollowing) {
+        await models.friend.setFollowing({ feedId, following: true })
+      }
+    },
+    unfollow: async (feedId) => {
+      const isFollowing = await models.friend.isFollowing(feedId)
+      if (isFollowing) {
+        await models.friend.setFollowing({ feedId, following: false })
+      }
+    },
     getRelationship: async (feedId) => {
       const ssb = await cooler.connect()
       const { id } = ssb
@@ -160,6 +183,7 @@ module.exports = (cooler) => {
         return 'you are following and blocking (!)'
       }
     }
+
   }
 
   models.meta = {

src/views/index.js

@@ -46,6 +46,21 @@ exports.authorView = ({
   const mention = `[@${name}](${feedId})`
   const markdownMention = highlightJs.highlight('markdown', mention).value
 
+  const areFollowing = relationship === 'you are following'
+
+  const contactFormType = areFollowing
+    ? 'unfollow'
+    : 'follow'
+
+  // We're on our own profile!
+  const contactForm = relationship !== null
+    ? form({ action: `/${contactFormType}/${encodeURIComponent(feedId)}`, method: 'post' },
+      button({
+        type: 'submit'
+      },
+      contactFormType))
+    : null
+
   const prefix = section({ class: 'message' },
     header({ class: 'profile' },
       img({ class: 'avatar', src: avatarUrl }),
@@ -59,7 +74,8 @@ exports.authorView = ({
       : null,
     footer(
       a({ href: `/likes/${encodeURIComponent(feedId)}` }, 'view likes'),
-      span(relationship)
+      span(relationship),
+      contactForm
     )
   )