From bef3eba723858fb00ec72d65d903bd5a1701ac4d Mon Sep 17 00:00:00 2001
From: David Florness <david@florness.com>
Date: Sun, 13 Mar 2022 18:57:03 -0400
Subject: [PATCH] Control sync filter via the new custom syncer

We have too much stuff in main.go
---
 cmd/tallyard/main.go   | 43 ------------------------------------------
 cmd/tallyard/syncer.go | 41 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 43 deletions(-)

diff --git a/cmd/tallyard/main.go b/cmd/tallyard/main.go
index be78681..a94895d 100644
--- a/cmd/tallyard/main.go
+++ b/cmd/tallyard/main.go
@@ -85,12 +85,6 @@ func main() {
 				errorf("panic: %s\n%s", r, debug.Stack())
 			}
 		}()
-		res, err := client.CreateFilter(electionFilter)
-		if err != nil {
-			errorf("couldn't create filter: %s", err)
-			return
-		}
-		client.Store.SaveFilterID(client.UserID, res.FilterID)
 		err = client.Sync()
 		if err != nil {
 			errorf("error during sync: %s", err)
@@ -192,43 +186,6 @@ func main() {
 	}
 }
 
-var electionFilter = &mautrix.Filter{
-	AccountData: mautrix.FilterPart{
-		NotTypes: []event.Type{event.NewEventType("*")},
-	},
-	Presence: mautrix.FilterPart{
-		NotTypes: []event.Type{event.NewEventType("*")},
-	},
-	Room: mautrix.RoomFilter{
-		AccountData: mautrix.FilterPart{
-			NotTypes: []event.Type{event.NewEventType("*")},
-		},
-		Ephemeral: mautrix.FilterPart{
-			NotTypes: []event.Type{event.NewEventType("*")},
-		},
-		State: mautrix.FilterPart{
-			Types: []event.Type{
-				event.StateCreate,
-				event.StateEncryption,
-				event.StateMember,
-				event.StateRoomName,
-			},
-		},
-		Timeline: mautrix.FilterPart{
-			// TODO figure out how to have no limit; -1 is giving me 500s
-			Limit: 500,
-			Types: []event.Type{
-				election.CreateElectionMessage,
-				election.JoinElectionMessage,
-				election.StartElectionMessage,
-				election.KeysMessage,
-				election.EvalsMessage,
-				election.SumMessage,
-			},
-		},
-	},
-}
-
 func debugEventHook(_ mautrix.EventSource, evt *event.Event) {
 	log.Debugf("<%[1]s> %[4]s (%[2]s/%[3]s)\n",
 		evt.Sender, evt.Type.String(), evt.ID,
diff --git a/cmd/tallyard/syncer.go b/cmd/tallyard/syncer.go
index eba3352..e40e178 100644
--- a/cmd/tallyard/syncer.go
+++ b/cmd/tallyard/syncer.go
@@ -6,6 +6,8 @@ import (
 	log "github.com/sirupsen/logrus"
 	"maunium.net/go/mautrix"
 	"maunium.net/go/mautrix/event"
+	"maunium.net/go/mautrix/id"
+	"tallyard.xyz/election"
 )
 
 type TallyardSyncer struct {
@@ -32,3 +34,42 @@ func NewTallyardSyncer() *TallyardSyncer {
 	}
 	return t
 }
+
+func (s *TallyardSyncer) GetFilterJSON(userID id.UserID) *mautrix.Filter {
+	return &mautrix.Filter{
+		AccountData: mautrix.FilterPart{
+			NotTypes: []event.Type{event.NewEventType("*")},
+		},
+		Presence: mautrix.FilterPart{
+			NotTypes: []event.Type{event.NewEventType("*")},
+		},
+		Room: mautrix.RoomFilter{
+			AccountData: mautrix.FilterPart{
+				NotTypes: []event.Type{event.NewEventType("*")},
+			},
+			Ephemeral: mautrix.FilterPart{
+				NotTypes: []event.Type{event.NewEventType("*")},
+			},
+			State: mautrix.FilterPart{
+				Types: []event.Type{
+					event.StateCreate,
+					event.StateEncryption,
+					event.StateMember,
+					event.StateRoomName,
+				},
+			},
+			Timeline: mautrix.FilterPart{
+				// TODO figure out how to have no limit; -1 is giving me 500s
+				Limit: 500,
+				Types: []event.Type{
+					election.CreateElectionMessage,
+					election.JoinElectionMessage,
+					election.StartElectionMessage,
+					election.KeysMessage,
+					election.EvalsMessage,
+					election.SumMessage,
+				},
+			},
+		},
+	}
+}
-- 
2.38.4