From fd1fb2860f02f3c04fcec8b491d293bac327051b Mon Sep 17 00:00:00 2001
From: fmodf <fmodf.ios@gmail.com>
Date: Thu, 26 Dec 2024 14:12:19 +0100
Subject: [PATCH] wip

---
 AnotherXMPP/XMPPClient.swift                  |  3 ++-
 .../modules/presence/PresenceModule.swift     | 22 +++++++++++++++++++
 AnotherXMPP/modules/roster/RosterModule.swift | 18 ++++++++-------
 3 files changed, 34 insertions(+), 9 deletions(-)
 create mode 100644 AnotherXMPP/modules/presence/PresenceModule.swift

diff --git a/AnotherXMPP/XMPPClient.swift b/AnotherXMPP/XMPPClient.swift
index 575d84a..a9e3afb 100644
--- a/AnotherXMPP/XMPPClient.swift
+++ b/AnotherXMPP/XMPPClient.swift
@@ -104,7 +104,8 @@ public final class XMPPClient {
         AuthorizationModule(self.storage),
         StanzaModule(self.storage),
         DiscoveryModule(),
-        RosterModule(self.storage)
+        RosterModule(self.storage),
+        PresenceModule()
     ]
 
     public init(storage: any XMPPStorage, userAgent: UserAgent) {
diff --git a/AnotherXMPP/modules/presence/PresenceModule.swift b/AnotherXMPP/modules/presence/PresenceModule.swift
new file mode 100644
index 0000000..964777a
--- /dev/null
+++ b/AnotherXMPP/modules/presence/PresenceModule.swift
@@ -0,0 +1,22 @@
+import Foundation
+
+// NSString* const kSubBoth = @"both";
+// NSString* const kSubNone = @"none";
+// NSString* const kSubTo = @"to";
+// NSString* const kSubFrom = @"from";
+// NSString* const kSubRemove = @"remove";
+// NSString* const kAskSubscribe = @"subscribe";
+
+// TODO: Cancel subscr. request when contact deleted from roster
+// Update when server sends roster push also
+final class PresenceModule: XmppModule {
+    let id = "Presence module"
+
+    func reduce(oldState: ClientState, with _: Event) -> ClientState {
+        oldState
+    }
+
+    func process(state _: ClientState, with _: Event) async -> Event? {
+        nil
+    }
+}
diff --git a/AnotherXMPP/modules/roster/RosterModule.swift b/AnotherXMPP/modules/roster/RosterModule.swift
index 9c23ff3..01b3049 100644
--- a/AnotherXMPP/modules/roster/RosterModule.swift
+++ b/AnotherXMPP/modules/roster/RosterModule.swift
@@ -61,13 +61,6 @@ final class RosterModule: XmppModule {
     }
 }
 
-// NSString* const kSubBoth = @"both";
-// NSString* const kSubNone = @"none";
-// NSString* const kSubTo = @"to";
-// NSString* const kSubFrom = @"from";
-// NSString* const kSubRemove = @"remove";
-// NSString* const kAskSubscribe = @"subscribe";
-
 private extension RosterModule {
     private func update(jidStr: String, args: [String: String]) -> Event? {
         print(jidStr, args)
@@ -105,10 +98,19 @@ private extension RosterModule {
                 existItems = existItems.filter { $0.jid == itemJid }
 
             default:
-                continue
+                if let rosterItem = RosterItem(wrap: item, owner: state.jid) {
+                    existItems = existItems.filter { $0.jid == itemJid }
+                    existItems.append(rosterItem)
+                } else {
+                    continue
+                }
             }
         }
 
+        // save roster
+        guard let data = try? JSONEncoder().encode(existItems.map { $0.wrapped }) else { return nil }
+        await storage?.setRoster(jid: state.jid, roster: data)
+
         // according to RFC-6121 a set from server (push)
         // shouyld be answered with result
         guard