Commit d87029da1cdaa2cd2211d1e5ef45962db26afcb9
Use most popular name/image
cel committed on 5/12/2017, 11:29:46 PMParent: 4cfbba635d8d159f21cb7f2ceb4074d6142da7c5
Files changed
| lib/about.js | changed |
| lib/about.js | |||
|---|---|---|---|
| @@ -1,31 +1,54 @@ | |||
| 1 | 1 … | var pull = require('pull-stream') | |
| 2 | 2 … | var sort = require('ssb-sort') | |
| 3 | 3 … | ||
| 4 | -function linkDest(val) { | ||
| 5 | - return typeof val === 'string' ? val : val && val.link | ||
| 4 … | +function asString(val) { | ||
| 5 … | + return typeof val === 'string' && val | ||
| 6 | 6 … | } | |
| 7 | 7 … | ||
| 8 | -function reduceAbout(about, msg) { | ||
| 9 | - var c = msg.value.content | ||
| 10 | - if (!c) return about | ||
| 11 | - if (c.name) about.name = c.name.replace(/^@?/, '@') | ||
| 12 | - if (c.image) about.image = linkDest(c.image) | ||
| 13 | - return about | ||
| 8 … | +function linkDest(val) { | ||
| 9 … | + return val ? asString(val) || asString(val.link) : null | ||
| 14 | 10 … | } | |
| 15 | 11 … | ||
| 16 | 12 … | module.exports = function (sbot, id, cb) { | |
| 17 | - var about = {} | ||
| 13 … | + var aboutByFeed = {} | ||
| 18 | 14 … | pull( | |
| 19 | 15 … | sbot.links({ | |
| 20 | 16 … | rel: 'about', | |
| 21 | 17 … | dest: id, | |
| 22 | 18 … | values: true, | |
| 23 | 19 … | }), | |
| 24 | - pull.collect(function (err, msgs) { | ||
| 20 … | + pull.drain(function (msg) { | ||
| 21 … | + var author = msg.value.author | ||
| 22 … | + var c = msg.value.content | ||
| 23 … | + if (!c) return | ||
| 24 … | + var feedAbout = aboutByFeed[author] || (aboutByFeed[author] = {}) | ||
| 25 … | + if (c.name) feedAbout.name = c.name.replace(/^@?/, '@') | ||
| 26 … | + if (c.image) feedAbout.image = linkDest(c.image) | ||
| 27 … | + }, function (err) { | ||
| 25 | 28 … | if (err) return cb(err) | |
| 26 | - cb(null, sort(msgs).reduce(reduceAbout, { | ||
| 27 | - name: String(id).substr(0, 10) + '…', | ||
| 28 | - })) | ||
| 29 … | + // Use whatever properties have the most counts. | ||
| 30 … | + // Usually we would want to handle renames for dead feeds and such, | ||
| 31 … | + // but for ssb-viewer it is mostly public/archival content anyway, | ||
| 32 … | + // so we'll let the popular name stand. | ||
| 33 … | + var propValueCounts = {/* prop: {value: count} */} | ||
| 34 … | + var topValues = {/* prop: value */} | ||
| 35 … | + var topValueCounts = {/* prop: count */} | ||
| 36 … | + var about = {} | ||
| 37 … | + for (var feed in aboutByFeed) { | ||
| 38 … | + var feedAbout = aboutByFeed[feed] | ||
| 39 … | + for (var prop in feedAbout) { | ||
| 40 … | + var value = feedAbout[prop] | ||
| 41 … | + var valueCounts = propValueCounts[prop] || (propValueCounts[prop] = {}) | ||
| 42 … | + var count = (valueCounts[value] || 0) + 1 | ||
| 43 … | + valueCounts[value] = count | ||
| 44 … | + if (count > (topValueCounts[prop] || 0)) { | ||
| 45 … | + topValueCounts[prop] = count | ||
| 46 … | + topValues[prop] = value | ||
| 47 … | + } | ||
| 48 … | + } | ||
| 49 … | + } | ||
| 50 … | + if (!topValues.name) topValues.name = String(id).substr(0, 10) + '…' | ||
| 51 … | + cb(null, topValues) | ||
| 29 | 52 … | }) | |
| 30 | 53 … | ) | |
| 31 | 54 … | } | |
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