core, ios: chat tags (#5367)

* types and db

* migration module

* chat tag

* store method proposal

* profiles build

* update type

* update return type

* building

* working api

* update

* refactor

* attach tags to contact

* simplify

* attach chat tags to group info

* get chat tags with supplied user id

* get tags fix

* ios: chat tags poc (#5370)

* ios: chat tags poc

* updates to sheet

* temporary display for other option on swipe

* sheet height

* only show preset when it has matches

* changes

* worst emoji picker ever

* simplify tag casts and collapse

* open on create tag if no tags

* simple emoji text field

* nice emoji picker

* dismiss sheets on tag/untag

* semibold selection

* all preset tag and change collapsed icon on selection

* default selected tag (all)

* only apply tag filters on empty search

* + button when no custom lists

* reset selection of tag filter on profile changes

* edit tag (broken menu inside swiftui list)

* create list to end of list

* swipe changes

* remove context menu

* delete and edit on swipe actions

* tap unread filter deselects other filters

* remove delete tag if empty

* show tag creation sheet when + button pressed

* in memory tag edit

* color, size

* frame

* layout

* refactor

* remove code

* add unread to same unit

* fraction on long press

* nav fixes

* in memory list

* emoji picker improvements

* remove diff

* secondary plus

* stop flickering on chat tags load

* reuse string

* fix reset glitches

* delete destructive

* simplify?

* changes

* api updates

* fix styles on list via swipe

* fixed untag

* update schema

* move user tags loading to get users chat data

* move presets to model

* update preset tags when chats are updated

* style fixes and locate getPresetTags near tags model

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

* deleted contacts and card should not match contact preset

* fix update presets on chat remove

* update migration indices

* fix migration

* not used chat model

* disable button on repeated list name or emoji

* no chats message for search fix

* fix edits and trim

* error in footer, not in alert

* styling fixes due to wrong place to attach sheet

* update library

* remove log

* idea for dynamic sheet height

* max fraction 62%

* minor fixes

* disable save button when no changes and while saving

* disable preset filter if it is no longer shown

* remove comments from schema

* fix emoji

* remove apiChatTagsResponse

* always read chat tags

* fix

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

apps/ios/Shared/Model/ChatModel.swift

@@ -100,6 +100,34 @@ class ItemsModel: ObservableObject {
     }
 }
 
+class ChatTagsModel: ObservableObject {
+    static let shared = ChatTagsModel()
+    
+    @Published var userTags: [ChatTag] = []
+    @Published var activeFilter: ActiveFilter? = nil
+    @Published var presetTags: [PresetTag] = []
+}
+
+func updatePresetTags(_ chats: [Chat]) {
+    var matches: Set<PresetTag> = []
+    for chat in chats {
+        for tag in PresetTag.allCases {
+            if presetTagMatchesChat(tag, chat) {
+                matches.insert(tag)
+            }
+        }
+        if matches.count == PresetTag.allCases.count {
+            break
+        }
+    }
+    
+    let tm = ChatTagsModel.shared
+    if case let .presetTag(tag) = tm.activeFilter, !matches.contains(tag) {
+        tm.activeFilter = nil
+    }
+    tm.presetTags = Array(matches).sorted(by: { $0.rawValue < $1.rawValue })
+}
+
 class NetworkModel: ObservableObject {
     // map of connections network statuses, key is agent connection id
     @Published var networkStatuses: Dictionary<String, NetworkStatus> = [:]
@@ -342,8 +370,10 @@ final class ChatModel: ObservableObject {
     private func updateChat(_ cInfo: ChatInfo, addMissing: Bool = true) {
         if hasChat(cInfo.id) {
             updateChatInfo(cInfo)
+            updatePresetTags(self.chats)
         } else if addMissing {
             addChat(Chat(chatInfo: cInfo, chatItems: []))
+            updatePresetTags(self.chats)
         }
     }
 
@@ -858,6 +888,7 @@ final class ChatModel: ObservableObject {
     func removeChat(_ id: String) {
         withAnimation {
             chats.removeAll(where: { $0.id == id })
+            updatePresetTags(chats)
         }
     }