From 35d09aee7773175c30cc2e5ac2a25af8faab2617 Mon Sep 17 00:00:00 2001
From: Vitor Pamplona <vitor@vitorpamplona.com>
Date: Sun, 20 Aug 2023 17:08:24 -0400
Subject: [PATCH] - Filter follows in the list of participants - Uses KIND3
 follows for the notification dot in the bottom nav bar

---
 .../amethyst/ui/dal/DiscoverLiveFeedFilter.kt | 22 ++++++++++++-------
 .../ui/dal/DiscoverLiveNowFeedFilter.kt       | 16 +++++++++++++-
 .../quartz/events/LiveActivitiesEvent.kt      |  4 ++++
 3 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveFeedFilter.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveFeedFilter.kt
index 7ff5230c2..81e1c27e1 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveFeedFilter.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveFeedFilter.kt
@@ -11,13 +11,19 @@ import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_LIVE
 import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_PLANNED
 import com.vitorpamplona.quartz.utils.TimeUtils
 
-open class DiscoverLiveFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
+open class DiscoverLiveFeedFilter(
+    val account: Account
+) : AdditiveFeedFilter<Note>() {
     override fun feedKey(): String {
-        return account.userProfile().pubkeyHex + "-" + account.defaultDiscoveryFollowList
+        return account.userProfile().pubkeyHex + "-" + followList()
+    }
+
+    open fun followList(): String {
+        return account.defaultDiscoveryFollowList
     }
 
     override fun showHiddenKey(): Boolean {
-        return account.defaultDiscoveryFollowList == PeopleListEvent.blockList
+        return followList() == PeopleListEvent.blockList
     }
 
     override fun feed(): List<Note> {
@@ -39,15 +45,15 @@ open class DiscoverLiveFeedFilter(val account: Account) : AdditiveFeedFilter<Not
         val isGlobal = account.defaultDiscoveryFollowList == GLOBAL_FOLLOWS
         val isHiddenList = showHiddenKey()
 
-        val followingKeySet = account.selectedUsersFollowList(account.defaultDiscoveryFollowList) ?: emptySet()
-        val followingTagSet = account.selectedTagsFollowList(account.defaultDiscoveryFollowList) ?: emptySet()
-        val followingGeohashSet = account.selectedGeohashesFollowList(account.defaultDiscoveryFollowList) ?: emptySet()
+        val followingKeySet = account.selectedUsersFollowList(followList()) ?: emptySet()
+        val followingTagSet = account.selectedTagsFollowList(followList()) ?: emptySet()
+        val followingGeohashSet = account.selectedGeohashesFollowList(followList()) ?: emptySet()
 
         val activities = collection
             .asSequence()
             .filter { it.event is LiveActivitiesEvent }
             .filter {
-                isGlobal || it.author?.pubkeyHex in followingKeySet || it.event?.isTaggedHashes(
+                isGlobal || (it.event as LiveActivitiesEvent).participantsIntersect(followingKeySet) || it.event?.isTaggedHashes(
                     followingTagSet
                 ) == true || it.event?.isTaggedGeoHashes(
                     followingGeohashSet
@@ -61,7 +67,7 @@ open class DiscoverLiveFeedFilter(val account: Account) : AdditiveFeedFilter<Not
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        val followingKeySet = account.selectedUsersFollowList(account.defaultDiscoveryFollowList)
+        val followingKeySet = account.selectedUsersFollowList(followList())
 
         val counter = ParticipantListBuilder()
         val participantCounts = collection.associate {
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveNowFeedFilter.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveNowFeedFilter.kt
index a55fb8dfb..609fb5cab 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveNowFeedFilter.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveNowFeedFilter.kt
@@ -1,12 +1,26 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
+import com.vitorpamplona.amethyst.model.KIND3_FOLLOWS
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.OnlineChecker
 import com.vitorpamplona.quartz.events.*
 import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_LIVE
 
-class DiscoverLiveNowFeedFilter(account: Account) : DiscoverLiveFeedFilter(account) {
+class DiscoverLiveNowFeedFilter(
+    account: Account
+) : DiscoverLiveFeedFilter(account) {
+    override fun followList(): String {
+        // uses follows by default, but other lists if they were selected in the top bar
+        val currentList = super.followList()
+        return if (currentList == GLOBAL_FOLLOWS) {
+            KIND3_FOLLOWS
+        } else {
+            currentList
+        }
+    }
+
     override fun innerApplyFilter(collection: Collection<Note>): Set<Note> {
         val allItems = super.innerApplyFilter(collection)
 
diff --git a/quartz/src/main/java/com/vitorpamplona/quartz/events/LiveActivitiesEvent.kt b/quartz/src/main/java/com/vitorpamplona/quartz/events/LiveActivitiesEvent.kt
index 43e4a25ae..83f89d044 100644
--- a/quartz/src/main/java/com/vitorpamplona/quartz/events/LiveActivitiesEvent.kt
+++ b/quartz/src/main/java/com/vitorpamplona/quartz/events/LiveActivitiesEvent.kt
@@ -40,6 +40,10 @@ class LiveActivitiesEvent(
         }
     }
 
+    fun participantsIntersect(keySet: Set<String>): Boolean {
+        return tags.any { it.size > 1 && it[0] == "p" && it[1] in keySet }
+    }
+
     companion object {
         const val kind = 30311