git ssb

1
var nest = require('depnest')
2
var h = require('mutant/h')
3
var isString= require('lodash/isString')
4
var maxBy= require('lodash/maxBy')
5
var marksum = require('markdown-summary')
6
var markdown = require('ssb-markdown')
7
var ref = require('ssb-ref')
8
var htmlEscape = require('html-escape')
9
10
function renderEmoji (emoji, url) {
11
  if (!url) return ':' + emoji + ':'
12
  return `
13
    <img
14
      src="${htmlEscape(url)}"
15
      alt=":${htmlEscape(emoji)}:"
16
      title=":${htmlEscape(emoji)}:"
17
      class="emoji"
18
    >
19
  `
20
}
21
22
exports.gives = nest('app.html.blogCard', true)
23
24
exports.needs = nest({
25
  'keys.sync.id': 'first',
26
  'history.sync.push': 'first',
27
  'about.obs.name': 'first',
28
  'about.html.avatar': 'first',
29
  'translations.sync.strings': 'first',
30
  'unread.sync.isUnread': 'first',
31
  // 'message.html.markdown': 'first',
32
  'message.html.timeago': 'first',
33
  'blob.sync.url': 'first',
34
  'emoji.sync.url': 'first'
35
})
36
37
exports.create = function (api) {
38
39
  //render markdown, but don't support patchwork@2 style mentions or custom emoji right now.
40
  function render (source) {
41
    return markdown.block(source, {
42
      emoji: (emoji) => {
43
        return renderEmoji(emoji, api.emoji.sync.url(emoji))
44
      },
45
      toUrl: (id) => {
46
        if (ref.isBlob(id)) return api.blob.sync.url(id)
47
        return id
48
      },
49
      imageLink: (id) => id
50
    })
51
  }
52
53
54
  //render the icon for a blog.
55
  //it would be more depjecty to split this
56
  //into two methods, one in a private plugin
57
  //one in a channel plugin
58
  function blogIcon (msg) {
59
    if(msg.value.private) {
60
      const myId = api.keys.sync.id()
61
62
      return msg.value.content.recps
63
        .map(link => isString(link) ? link : link.link)
64
        .filter(link => link !== myId)
65
        .map(link => api.about.html.avatar)
66
    }
67
    else if(msg.value.content.channel)
68
      return '#'+msg.value.content.channel
69
  }
70
71
72
  // REFACTOR: move this to a template?
73
  function buildRecipientNames (blog) {
74
    const myId = api.keys.sync.id()
75
76
    return blog.value.content.recps
77
      .map(link => isString(link) ? link : link.link)
78
      .filter(link => link !== myId)
79
      .map(api.about.obs.name)
80
  }
81
82
  return nest('app.html.blogCard', (blog, opts = {}) => {
83
    var strings = api.translations.sync.strings()
84
85
    if(!blog.value) return
86
    if('string' !== typeof blog.value.content.text) return
87
88
    const lastReply = blog.replies && maxBy(blog.replies, r => r.timestamp)
89
90
    const goToBlog = () => api.history.sync.push(blog)
91
    const onClick = opts.onClick || goToBlog
92
    const id = `${blog.key.replace(/[^a-z0-9]/gi, '')}` //-${JSON.stringify(opts)}`
93
    // id is only here to help morphdom morph accurately
94
95
    const { content, author } = blog.value
96
97
    var img = h('Thumbnail')
98
    var m = /\!\[[^]+\]\(([^\)]+)\)/.exec(marksum.image(content.text))
99
    if(m) {
100
      //Hey this works! fit an image into a specific size (see blog-card.mcss)
101
      //centered, and scaled to fit the square (works with both landscape and portrait!)
102
      //This is functional css not opinionated css, so all embedded.
103
      img.style = 'background-image: url("'+api.blob.sync.url(m[1])+'"); background-position:center; background-size: cover;'
104
    }
105
106
    const title = render(marksum.title(content.text))
107
    const summary = render(marksum.summary(content.text))
108
109
    const className = blog.unread ? '-unread': ''
110
111
    return h('BlogCard', { id, className, 'ev-click': onClick }, [
112
      h('div.context', [
113
        api.about.html.avatar(author, 'tiny'),
114
        h('div.name', api.about.obs.name(author)),
115
        api.message.html.timeago(blog)
116
      ]),
117
      h('div.content', [
118
        img,
119
        h('div.text', [
120
          h('h2', {innerHTML: title}),
121
          content.channel
122
            ? h('Button -channel', '#'+content.channel)
123
            : '',
124
          h('div.summary', {innerHTML: summary})
125
        ])
126
      ])
127
    ])
128
  })
129
}
130
131