Files: 301f073d02f96f4788640d5dc8440c912c7aace9 / modules_extra / search.js
2385 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 TextNodeSearcher = require('text-node-searcher') |
6 | |
7 | exports.needs = { |
8 | message_render: 'first', |
9 | sbot_log: 'first' |
10 | } |
11 | |
12 | exports.gives = 'screen_view' |
13 | |
14 | var whitespace = /\s+/ |
15 | |
16 | function andSearch(terms, inputs) { |
17 | for(var i = 0; i < terms.length; i++) { |
18 | var match = false |
19 | for(var j = 0; j < inputs.length; j++) { |
20 | if(terms[i].test(inputs[j])) match = true |
21 | } |
22 | //if a term was not matched by anything, filter this one |
23 | if(!match) return false |
24 | } |
25 | return true |
26 | } |
27 | |
28 | function searchFilter(terms) { |
29 | return function (msg) { |
30 | var c = msg && msg.value && msg.value.content |
31 | return c && ( |
32 | msg.key == terms[0] || |
33 | andSearch(terms.map(function (term) { |
34 | return new RegExp('\\b'+term+'\\b', 'i') |
35 | }), [c.text, c.name, c.title]) |
36 | ) |
37 | } |
38 | } |
39 | |
40 | function createOrRegExp(ary) { |
41 | return new RegExp(ary.map(function (e) { |
42 | return '\\b'+e+'\\b' |
43 | }).join('|'), 'i') |
44 | } |
45 | |
46 | function highlight(el, query) { |
47 | var searcher = new TextNodeSearcher({container: el}) |
48 | searcher.query = query |
49 | searcher.highlight() |
50 | return el |
51 | } |
52 | |
53 | exports.create = function (api) { |
54 | |
55 | return function (path) { |
56 | if(path[0] === '?') { |
57 | var query = path.substr(1).trim().split(whitespace) |
58 | var _matches = searchFilter(query) |
59 | |
60 | var total = 0, matches = 0 |
61 | |
62 | var header = h('div.search_header', '') |
63 | var content = h('div.column.scroller__content') |
64 | var div = h('div.column.scroller', |
65 | {style: {'overflow':'auto'}}, |
66 | h('div.scroller__wrapper', |
67 | header, |
68 | content |
69 | ) |
70 | ) |
71 | |
72 | function matchesQuery (data) { |
73 | total++ |
74 | var m = _matches(data) |
75 | if(m) matches++ |
76 | header.textContent = 'searched:'+total+', found:'+matches |
77 | return m |
78 | } |
79 | |
80 | |
81 | |
82 | function renderMsg(msg) { |
83 | var el = api.message_render(msg) |
84 | highlight(el, createOrRegExp(query)) |
85 | return el |
86 | } |
87 | |
88 | pull( |
89 | api.sbot_log({old: false}), |
90 | pull.filter(matchesQuery), |
91 | Scroller(div, content, renderMsg, true, false) |
92 | ) |
93 | |
94 | pull( |
95 | u.next(api.sbot_log, {reverse: true, limit: 500, live: false}), |
96 | pull.filter(matchesQuery), |
97 | Scroller(div, content, renderMsg, false, false) |
98 | ) |
99 | |
100 | return div |
101 | } |
102 | } |
103 | |
104 | } |
105 |
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