Files: 93d26ea7530a862ffda0f98070f6a1ce09d1d616 / modules_extra / channel.js
2913 bytesRaw
1 | var h = require('hyperscript') |
2 | var u = require('../util') |
3 | var pull = require('pull-stream') |
4 | var Scroller = require('pull-scroll') |
5 | var mfr = require('map-filter-reduce') |
6 | |
7 | exports.needs = { |
8 | message_render: 'first', |
9 | message_compose: 'first', |
10 | sbot_log: 'first', |
11 | sbot_query: 'first', |
12 | } |
13 | |
14 | exports.gives = { |
15 | message_meta: true, screen_view: true, |
16 | connection_status: true, suggest_search: true |
17 | } |
18 | |
19 | exports.create = function (api) { |
20 | |
21 | var channels |
22 | |
23 | var filter = {$filter: {value: {content: {channel: {$gt: ''}}}}} |
24 | var map = {$map: {'name': ['value', 'content', 'channel']}} |
25 | var reduce = {$reduce: { |
26 | name: 'name', |
27 | rank: {$count: true} |
28 | }} |
29 | |
30 | return { |
31 | message_meta: function (msg) { |
32 | var chan = msg.value.content.channel |
33 | if (chan) |
34 | return h('a', {href: '##'+chan}, '#'+chan) |
35 | }, |
36 | screen_view: function (path) { |
37 | if(path[0] === '#') { |
38 | var channel = path.substr(1) |
39 | |
40 | var content = h('div.column.scroller__content') |
41 | var div = h('div.column.scroller', |
42 | {style: {'overflow':'auto'}}, |
43 | h('div.scroller__wrapper', |
44 | api.message_compose({type: 'post', channel: channel}), |
45 | content |
46 | ) |
47 | ) |
48 | |
49 | function matchesChannel(msg) { |
50 | if (msg.sync) console.error('SYNC', msg) |
51 | var c = msg && msg.value && msg.value.content |
52 | return c && c.channel === channel |
53 | } |
54 | |
55 | pull( |
56 | api.sbot_log({old: false}), |
57 | pull.filter(matchesChannel), |
58 | Scroller(div, content, api.message_render, true, false) |
59 | ) |
60 | |
61 | pull( |
62 | api.sbot_query({reverse: true, query: [ |
63 | {$filter: {value: {content: {channel: channel}}}} |
64 | ]}), |
65 | Scroller(div, content, api.message_render, false, false) |
66 | ) |
67 | |
68 | return div |
69 | } |
70 | }, |
71 | |
72 | connection_status: function (err) { |
73 | if(err) return |
74 | |
75 | channels = [] |
76 | |
77 | pull( |
78 | api.sbot_query({query: [filter, map, reduce]}), |
79 | pull.collect(function (err, chans) { |
80 | if (err) return console.error(err) |
81 | channels = chans.concat(channels) |
82 | }) |
83 | ) |
84 | |
85 | pull( |
86 | api.sbot_log({old: false}), |
87 | mfr.filter(filter), |
88 | mfr.map(map), |
89 | pull.drain(function (chan) { |
90 | var c = channels.find(function (e) { |
91 | return e.name === chan.name |
92 | }) |
93 | if (c) c.rank++ |
94 | else channels.push(chan) |
95 | }) |
96 | ) |
97 | }, |
98 | |
99 | suggest_search: function (query) { |
100 | return function (cb) { |
101 | if(!/^#\w/.test(query)) return cb() |
102 | cb(null, channels.filter(function (chan) { |
103 | return ('#'+chan.name).substring(0, query.length) === query |
104 | }) |
105 | .map(function (chan) { |
106 | var name = '#'+chan.name |
107 | return { |
108 | title: name, |
109 | value: name, |
110 | subtitle: chan.rank |
111 | } |
112 | })) |
113 | } |
114 | } |
115 | } |
116 | } |
117 | |
118 |
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