Files: abc981ed003091aaeb68aab6d203e6356ea262a8 / modules_extra / search.js
2536 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 | //var plugs = require('../plugs') |
8 | //var message_render = plugs.first(exports.message_render = []) |
9 | //var sbot_log = plugs.first(exports.sbot_log = []) |
10 | |
11 | exports.needs = { |
12 | message_render: 'first', |
13 | sbot_log: 'first' |
14 | } |
15 | |
16 | exports.gives = 'screen_view' |
17 | |
18 | var whitespace = /\s+/ |
19 | |
20 | function andSearch(terms, inputs) { |
21 | for(var i = 0; i < terms.length; i++) { |
22 | var match = false |
23 | for(var j = 0; j < inputs.length; j++) { |
24 | if(terms[i].test(inputs[j])) match = true |
25 | } |
26 | //if a term was not matched by anything, filter this one |
27 | if(!match) return false |
28 | } |
29 | return true |
30 | } |
31 | |
32 | function searchFilter(terms) { |
33 | return function (msg) { |
34 | var c = msg && msg.value && msg.value.content |
35 | return c && ( |
36 | msg.key == terms[0] || |
37 | andSearch(terms.map(function (term) { |
38 | return new RegExp('\\b'+term+'\\b', 'i') |
39 | }), [c.text, c.name, c.title]) |
40 | ) |
41 | } |
42 | } |
43 | |
44 | function createOrRegExp(ary) { |
45 | return new RegExp(ary.map(function (e) { |
46 | return '\\b'+e+'\\b' |
47 | }).join('|'), 'i') |
48 | } |
49 | |
50 | function highlight(el, query) { |
51 | var searcher = new TextNodeSearcher({container: el}) |
52 | searcher.query = query |
53 | searcher.highlight() |
54 | return el |
55 | } |
56 | |
57 | exports.create = function (api) { |
58 | |
59 | return function (path) { |
60 | if(path[0] === '?') { |
61 | var query = path.substr(1).trim().split(whitespace) |
62 | var _matches = searchFilter(query) |
63 | |
64 | var total = 0, matches = 0 |
65 | |
66 | var header = h('div.search_header', '') |
67 | var content = h('div.column.scroller__content') |
68 | var div = h('div.column.scroller', |
69 | {style: {'overflow':'auto'}}, |
70 | h('div.scroller__wrapper', |
71 | header, |
72 | content |
73 | ) |
74 | ) |
75 | |
76 | function matchesQuery (data) { |
77 | total++ |
78 | var m = _matches(data) |
79 | if(m) matches++ |
80 | header.textContent = 'searched:'+total+', found:'+matches |
81 | return m |
82 | } |
83 | |
84 | |
85 | |
86 | function renderMsg(msg) { |
87 | var el = api.message_render(msg) |
88 | highlight(el, createOrRegExp(query)) |
89 | return el |
90 | } |
91 | |
92 | pull( |
93 | api.sbot_log({old: false}), |
94 | pull.filter(matchesQuery), |
95 | Scroller(div, content, renderMsg, true, false) |
96 | ) |
97 | |
98 | pull( |
99 | u.next(api.sbot_log, {reverse: true, limit: 500, live: false}), |
100 | pull.filter(matchesQuery), |
101 | Scroller(div, content, renderMsg, false, false) |
102 | ) |
103 | |
104 | return div |
105 | } |
106 | } |
107 | |
108 | } |
109 |
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