ghostguild-org/server/api/connections/suggestions.get.js

131 lines
3.8 KiB
JavaScript

import Member from '../../models/member.js'
import Connection from '../../models/connection.js'
import { requireAuth } from '../../utils/auth.js'
export default defineEventHandler(async (event) => {
const member = await requireAuth(event)
const memberId = member._id
const topics = member.communityConnections?.topics || []
if (!topics.length) {
return { suggestions: [] }
}
const query = getQuery(event)
const filterTag = query.tag || null
const filterState = query.state || null
const showHidden = query.showHidden === 'true'
// Build the set of tag slugs to match against
let myTopics = topics
if (filterTag) {
myTopics = myTopics.filter(t => t.tagSlug === filterTag)
}
if (filterState) {
myTopics = myTopics.filter(t => t.state === filterState)
}
if (!myTopics.length) {
return { suggestions: [] }
}
const mySlugs = myTopics.map(t => t.tagSlug)
// Find active members sharing at least one topic slug
const candidates = await Member.find({
_id: { $ne: memberId },
status: 'active',
'communityConnections.topics.tagSlug': { $in: mySlugs }
})
.select('name avatar craftTags circle communityConnections privacy')
.lean()
if (!candidates.length) {
return { suggestions: [] }
}
const candidateIds = candidates.map(c => c._id)
// Find existing connections (pending or confirmed) to exclude
const existingConnections = await Connection.find({
$or: [
{ initiator: memberId, recipient: { $in: candidateIds } },
{ recipient: memberId, initiator: { $in: candidateIds } }
]
})
.select('initiator recipient hiddenBy status')
.lean()
// Build sets for exclusion
const excludeIds = new Set()
for (const conn of existingConnections) {
const otherId = conn.initiator.toString() === memberId.toString()
? conn.recipient.toString()
: conn.initiator.toString()
// Exclude if confirmed or pending connection exists
if (conn.status === 'confirmed' || conn.status === 'pending') {
excludeIds.add(otherId)
}
// Exclude if current member has hidden this connection (unless showHidden)
if (!showHidden && conn.hiddenBy?.some(id => id.toString() === memberId.toString())) {
excludeIds.add(otherId)
}
}
// Build topic lookup for current member (using filtered topics)
const myTopicMap = {}
for (const t of myTopics) {
myTopicMap[t.tagSlug] = t.state
}
// Compute suggestions
const suggestions = []
for (const candidate of candidates) {
if (excludeIds.has(candidate._id.toString())) continue
const theirTopics = candidate.communityConnections?.topics || []
const matchingTags = []
for (const theirTopic of theirTopics) {
const myState = myTopicMap[theirTopic.tagSlug]
if (!myState) continue
matchingTags.push({
tagSlug: theirTopic.tagSlug,
yourState: myState,
theirState: theirTopic.state
})
}
if (!matchingTags.length) continue
// Apply privacy filtering — only expose fields the member allows for other members
const privacy = candidate.privacy || {}
const filtered = {
_id: candidate._id,
name: candidate.name,
circle: candidate.circle,
}
const avatarPrivacy = privacy.avatar || 'public'
if (avatarPrivacy === 'public' || avatarPrivacy === 'members') {
filtered.avatar = candidate.avatar
}
const craftTagsPrivacy = privacy.craftTags || 'members'
if (craftTagsPrivacy === 'public' || craftTagsPrivacy === 'members') {
filtered.craftTags = candidate.craftTags
}
suggestions.push({
member: filtered,
matchingTags,
matchCount: matchingTags.length
})
}
// Sort by overlap count descending
suggestions.sort((a, b) => b.matchCount - a.matchCount)
return { suggestions }
})