init

ansible/roles/prosody/templates/mod_default_contacts.lua.j2

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+local rostermanager = require "core.rostermanager";
+local host = module.host;
+
+local default_contacts = module:get_option("default_contacts", {});
+
+module:hook("resource-bind", function(event)
+    local user = event.session.username;
+    local user_jid = user .. "@" .. host;
+    local roster = rostermanager.load_roster(user, host);
+
+    for _, contact in ipairs(default_contacts) do
+        local contact_user = contact.jid:match("^([^@]+)@");
+        if contact_user ~= user and not roster[contact.jid] then
+            -- Add contact to this user's roster
+            local groups = {};
+            for _, gname in ipairs(contact.groups or {}) do
+                groups[gname] = true;
+            end
+            roster[contact.jid] = {
+                subscription = "both";
+                name = contact.name;
+                groups = groups;
+            };
+            rostermanager.save_roster(user, host);
+            rostermanager.roster_push(user, host, contact.jid);
+
+            -- Add this user to the contact's roster (for bidirectional presence)
+            local contact_roster = rostermanager.load_roster(contact_user, host);
+            if contact_roster and not contact_roster[user_jid] then
+                contact_roster[user_jid] = {
+                    subscription = "both";
+                    name = user;
+                    groups = {};
+                };
+                rostermanager.save_roster(contact_user, host);
+                rostermanager.roster_push(contact_user, host, user_jid);
+            end
+        end
+    end
+end);