From b90d4230cac4bda1c5840c0e464db0c55b06ea2d Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Tue, 3 Apr 2018 12:56:46 -0700
Subject: [PATCH] modules/client/rooms/invite: Add invite commit / handler w/
 central linkage.

---
 include/ircd/m/room.h          |  1 +
 ircd/m/m.cc                    | 15 ++++++++++++
 modules/client/rooms/invite.cc | 43 +++++++++++++++++++++++++++++++++-
 3 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/include/ircd/m/room.h b/include/ircd/m/room.h
index e3d29262d..053b04148 100644
--- a/include/ircd/m/room.h
+++ b/include/ircd/m/room.h
@@ -60,6 +60,7 @@ namespace ircd::m
 	event::id::buf msghtml(const room &, const m::id::user &sender, const string_view &html, const string_view &alt = {}, const string_view &msgtype = "m.notice");
 	event::id::buf notice(const room &, const m::id::user &sender, const string_view &body);
 	event::id::buf notice(const room &, const string_view &body); // sender is @ircd
+	event::id::buf invite(const room &, const m::id::user &target, const m::id::user &sender);
 	event::id::buf leave(const room &, const m::id::user &);
 	event::id::buf join(const room &, const m::id::user &);
 	event::id::buf join(const id::room_alias &, const m::id::user &);
diff --git a/ircd/m/m.cc b/ircd/m/m.cc
index 416004b73..ff18da210 100644
--- a/ircd/m/m.cc
+++ b/ircd/m/m.cc
@@ -1248,6 +1248,21 @@ ircd::m::leave(const room &room,
 	return function(room, user_id);
 }
 
+ircd::m::event::id::buf
+ircd::m::invite(const room &room,
+                const id::user &target,
+                const id::user &sender)
+{
+	using prototype = event::id::buf (const m::room &, const id::user &, const id::user &);
+
+	static import<prototype> function
+	{
+		"client_rooms", "invite__room_user"
+	};
+
+	return function(room, target, sender);
+}
+
 ircd::m::event::id::buf
 ircd::m::redact(const room &room,
                 const id::user &sender,
diff --git a/modules/client/rooms/invite.cc b/modules/client/rooms/invite.cc
index bf320b6a4..19701d956 100644
--- a/modules/client/rooms/invite.cc
+++ b/modules/client/rooms/invite.cc
@@ -12,18 +12,59 @@
 
 using namespace ircd;
 
+extern "C" m::event::id::buf
+invite__room_user(const m::room &,
+                  const m::user::id &target,
+                  const m::user::id &sender);
+
 resource::response
 post__invite(client &client,
              const resource::request &request,
              const m::room::id &room_id)
 {
-	const m::user::id &user_id
+	const m::user::id &target
 	{
 		unquote(request.at("user_id"))
 	};
 
+	const m::user::id &sender
+	{
+		request.user_id
+	};
+
+	const auto event_id
+	{
+		invite__room_user(room_id, target, sender)
+	};
+
 	return resource::response
 	{
 		client, http::OK
 	};
 }
+
+m::event::id::buf
+invite__room_user(const m::room &room,
+                  const m::user::id &target,
+                  const m::user::id &sender)
+{
+	if(!exists(room))
+		throw m::NOT_FOUND
+		{
+			"Not aware of room %s",
+			string_view{room.room_id}
+		};
+
+	json::iov event;
+	json::iov content;
+	const json::iov::push push[]
+	{
+		{ event,    { "type",        "m.room.member"  }},
+		{ event,    { "sender",      sender           }},
+		{ event,    { "state_key",   target           }},
+		{ event,    { "membership",  "invite"         }},
+		{ content,  { "membership",  "invite"         }},
+	};
+
+	return commit(room, event, content);
+}