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Multi comma separated tag functionality. #61

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Multi comma separated tag functionality. #61

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59 changes: 52 additions & 7 deletions src/transactions/vote.js
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Original file line number Diff line number Diff line change
Expand Up @@ -53,14 +53,59 @@ module.exports = {
// update top tags
var topTags = []
for (let i = 0; i < content.votes.length; i++) {
var exists = false
for (let y = 0; y < topTags.length; y++)
if (topTags[y].tag === content.votes[i].tag) {
exists = true
topTags[y].vt += Math.abs(content.votes[i].vt)
var newTags = {}
for (let y = 0; y < topTags.length; y++) {
contentTags = []
tmpTags = content.votes[i].tag
if (tmpTags.length > config.tagMaxLength)
tmpTags = tmpTags.substring(0, config.tagMaxLength)
tmpTags = content.votes[i].tag.trim().split(",")
for (let j = 0; j < tmpTags.length; j++) {
contentTags.push(tmpTags[j].trim())
}
if (!exists && content.votes[i].tag)
topTags.push({tag: content.votes[i].tag, vt: Math.abs(content.votes[i].vt)})

// idea is to distribute the vt equally to all comma separated tags, the extra is given to the first tag
// process for each comma separated tags
nTag = contentTags.length
totalTagVt = content.votes[i].vt
for (let j = 0; j < nTag; j++) {
curTag = contentTags[j]
curTagVt = (totalTagVt / nTag) + (totalTagVt % nTag) // the modulo part will be zero for j > 0 because of the next if block, see example below

if (j == 0) {
totalTagVt = totalTagVt - (totalTagVt % nTag) // removing the extra modulo part for all other tags except the first one
}

if (topTags[y].tag === curTag) {
topTags[y].vt += Math.abs(curTagVt)
newTags[curTag] = null // tag already exists, so nullifying pre-pushed tag
} else {
newTags[curTag] = {tag: curTag, vt: Math.abs(curTagVt)}
}
}
/*
Example:
content.votes[i].tag = "hike, hiking, hiker"
totalTagVt = 313
nt = 3

topTags[0] = {tag: "hike", vt: 313/3 + 313%3 = 104 + 1 = 105} // hike

totalTagVt = 313 - (313%3) = 313 - 1 = 312

topTags[1] = {tag: "hiking", vt: 312/3 + 312%3 = 104} // hiking

topTags[2] = {tag: "hiker", vt: 312/3 + 312%3 = 104} // hiker

105 + 104 + 104 = 313 total
*/
}

for (let [tagKey, tagVal] of newTags) {
if (!tagVal && tagVal.tag) {// if tagKey not null, then exists false, then push
topTags.push(tagVal)
}
}
}

topTags = topTags.sort(function(a,b) {
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