Files: 66dcda756a8e52b5f22cac3256eb987e6b3226b7 / ssb-server-blog-stats.js
3936 bytesRaw
1 | const FlumeView = require('flumeview-level') |
2 | const get = require('lodash/get') |
3 | const pull = require('pull-stream') |
4 | const isBlog = require('scuttle-blog/isBlog') |
5 | const { isMsg: isMsgRef } = require('ssb-ref') |
6 | |
7 | const getType = (msg) => get(msg, 'value.content.type') |
8 | const getAuthor = (msg) => get(msg, 'value.author') |
9 | const getCommentRoot = (msg) => get(msg, 'value.content.root') |
10 | const getLikeRoot = (msg) => get(msg, 'value.content.vote.link') |
11 | const getTimestamp = (msg) => get(msg, 'value.timestamp') |
12 | |
13 | const FLUME_VIEW_VERSION = 2 |
14 | |
15 | module.exports = { |
16 | name: 'blogStats', |
17 | version: 1, |
18 | manifest: { |
19 | get: 'async', |
20 | read: 'source', |
21 | readBlogs: 'source', |
22 | getBlogs: 'async', |
23 | readComments: 'source', |
24 | readLikes: 'source' |
25 | }, |
26 | init: (server, config) => { |
27 | console.log('initialising blog-stats plugin') |
28 | const myKey = server.keys.id |
29 | |
30 | const view = server._flumeUse( |
31 | 'internalblogStats', |
32 | FlumeView(FLUME_VIEW_VERSION, map) |
33 | ) |
34 | |
35 | return { |
36 | get: view.get, |
37 | read: view.read, |
38 | readBlogs, |
39 | getBlogs, |
40 | readComments, |
41 | readLikes |
42 | // readShares |
43 | } |
44 | |
45 | function map (msg, seq) { |
46 | var root |
47 | |
48 | switch (getType(msg)) { |
49 | case 'blog': |
50 | if (isBlog(msg) && isMyMsg(msg)) return [['B', msg.key, getTimestamp(msg)]] |
51 | else return [] |
52 | |
53 | case 'vote': |
54 | root = getLikeRoot(msg) |
55 | // TODO figure out how to only store likes I care about |
56 | if (root) return [['L', root, getTimestamp(msg)]] |
57 | else return [] |
58 | |
59 | // Note this catches: |
60 | // - all likes, on all things D: |
61 | // - likes AND unlikes |
62 | |
63 | case 'post': |
64 | root = getCommentRoot(msg) |
65 | // TODO figure out how to only store comments I care about |
66 | if (!root && isMyMsg(msg) && isPlog(msg)) return [['B', msg.key, getTimestamp(msg)]] |
67 | else if (root) return [['C', root, getTimestamp(msg)]] |
68 | else return [] |
69 | |
70 | // Note this catches: |
71 | // - all comments, on all things D: |
72 | |
73 | default: |
74 | return [] |
75 | } |
76 | } |
77 | |
78 | // a Plog is a Blog shaped Post! |
79 | function isPlog (msg) { |
80 | // if (get(msg, 'value.content.text', '').length >= 3000) console.log(get(msg, 'value.content.text', '').length) |
81 | return get(msg, 'value.content.text', '').length >= 3000 |
82 | } |
83 | |
84 | function readBlogs (options = {}) { |
85 | const query = Object.assign({}, { |
86 | gte: ['B', null, null], |
87 | // null is the 'minimum' structure in bytewise ordering |
88 | lte: ['B', undefined, undefined], |
89 | reverse: true, |
90 | values: true, |
91 | keys: false, |
92 | seqs: false |
93 | }, options) |
94 | |
95 | return view.read(query) |
96 | } |
97 | |
98 | function getBlogs (options, cb) { |
99 | pull( |
100 | readBlogs(options), |
101 | pull.collect(cb) |
102 | ) |
103 | } |
104 | |
105 | function readComments (blog, options = {}) { |
106 | var key = getBlogKey(blog) |
107 | |
108 | const query = Object.assign({}, { |
109 | gt: ['C', key, null], |
110 | lt: ['C', key, undefined], |
111 | // undefined is the 'maximum' structure in bytewise ordering https://www.npmjs.com/package/bytewise#order-of-supported-structures |
112 | reverse: true, |
113 | values: true, |
114 | keys: false, |
115 | seqs: false |
116 | }, options) |
117 | |
118 | return view.read(query) |
119 | } |
120 | |
121 | function readLikes (blog, options = {}) { |
122 | var key = getBlogKey(blog) |
123 | |
124 | const query = Object.assign({}, { |
125 | gt: ['L', key, null], |
126 | lt: ['L', key, undefined], |
127 | reverse: true, |
128 | values: true, |
129 | keys: false, |
130 | seqs: false |
131 | }, options) |
132 | |
133 | return view.read(query) |
134 | } |
135 | |
136 | function getBlogKey (blog) { |
137 | if (isMsgRef(blog)) return blog |
138 | // else if (isMsgRef(blog.key) && isBlog(blog)) return blog.key |
139 | else if (isMsgRef(blog.key) && (isBlog(blog) || isPlog(blog))) return blog.key |
140 | } |
141 | |
142 | function isMyMsg (msg) { |
143 | return getAuthor(msg) === myKey |
144 | } |
145 | } |
146 | } |
147 |
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