Files: 7d510f40ceb47f6b4863bc121426ce7492a1bbbc / modules_basic / relationships.js
1275 bytesRaw
| 1 | var pull = require('pull-stream') |
| 2 | //var plugs = require('../plugs') |
| 3 | |
| 4 | //var sbot_query = plugs.first(exports.sbot_query = []) |
| 5 | |
| 6 | //this is a bit crude, and doesn't actually show unfollows yet. |
| 7 | |
| 8 | function makeQuery (a, b) { |
| 9 | return {"$filter": { |
| 10 | value: { |
| 11 | author: a, |
| 12 | content: { |
| 13 | type: 'contact', |
| 14 | contact: b, |
| 15 | following: true |
| 16 | } |
| 17 | }, |
| 18 | }} |
| 19 | } |
| 20 | |
| 21 | |
| 22 | exports.needs = { sbot_query: 'first' } |
| 23 | |
| 24 | exports.gives = { |
| 25 | follows: true, |
| 26 | followers: true, |
| 27 | follower_of: true |
| 28 | } |
| 29 | |
| 30 | exports.create = function (api) { |
| 31 | |
| 32 | return { |
| 33 | follows: function (id, cb) { |
| 34 | return api.sbot_query({query: [ |
| 35 | makeQuery(id, {$prefix:"@"}), |
| 36 | {"$map": ['value', 'content', 'contact']} |
| 37 | ]}) |
| 38 | }, |
| 39 | |
| 40 | followers: function (id) { |
| 41 | return api.sbot_query({query: [ |
| 42 | makeQuery({$prefix:"@"}, id), |
| 43 | {"$map": ['value', 'author']} |
| 44 | ]}) |
| 45 | }, |
| 46 | |
| 47 | follower_of: function (source, dest, cb) { |
| 48 | pull( |
| 49 | api.sbot_query({query: [ |
| 50 | makeQuery(source, dest), |
| 51 | {$map: ['value', 'content', 'following']} |
| 52 | ]}), |
| 53 | pull.collect(function (err, ary) { |
| 54 | if(err) return cb(err) |
| 55 | else cb(null, ary.pop()) //will be true, or undefined/false |
| 56 | }) |
| 57 | ) |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | } |
| 62 | |
| 63 |
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