From d3d6220af6dd60a422a3d5ee41433d9722bb1568 Mon Sep 17 00:00:00 2001
From: Daniel Ponte <amigan@gmail.com>
Date: Tue, 6 Aug 2024 11:19:30 -0400
Subject: [PATCH] Filters

---
 pkg/calls/filter.go                        | 135 ++++++
 pkg/gordio/database/database.go            |   2 +
 pkg/gordio/database/models.go              |   5 +-
 pkg/gordio/database/querier.go             |   6 +-
 pkg/gordio/database/talkgroups.sql.go      |  66 ++-
 pkg/gordio/nexus/client.go                 |  15 +-
 pkg/gordio/nexus/commands.go               |  40 +-
 pkg/gordio/nexus/nexus.go                  |  15 +-
 pkg/gordio/nexus/websocket.go              |   7 +-
 pkg/gordio/server/server.go                |  10 +-
 pkg/gordio/sources/http.go                 |   2 +-
 pkg/live/listener.go                       |  13 -
 pkg/pb/stillbox.pb.go                      | 457 +++++++++++++++++----
 pkg/pb/stillbox.proto                      |  21 +-
 sql/postgres/migrations/001_initial.up.sql |  31 +-
 sql/postgres/queries/talkgroups.sql        |  16 +-
 16 files changed, 688 insertions(+), 153 deletions(-)
 create mode 100644 pkg/calls/filter.go
 delete mode 100644 pkg/live/listener.go

diff --git a/pkg/calls/filter.go b/pkg/calls/filter.go
new file mode 100644
index 0000000..62a8c64
--- /dev/null
+++ b/pkg/calls/filter.go
@@ -0,0 +1,135 @@
+package calls
+
+import (
+	"context"
+
+	"dynatron.me/x/stillbox/pkg/gordio/database"
+	"dynatron.me/x/stillbox/pkg/pb"
+)
+
+type Talkgroup struct {
+	System    uint32
+	Talkgroup uint32
+}
+
+func (c *Call) TalkgroupTuple() Talkgroup {
+	return Talkgroup{System: uint32(c.System), Talkgroup: uint32(c.Talkgroup)}
+}
+
+func (t Talkgroup) Pack() int64 {
+	// P25 system IDs are 12 bits, so we can fit them in a signed 8 byte int (int64, pg INT8)
+	return int64((int64(t.System) << 32) | int64(t.Talkgroup))
+}
+
+type TalkgroupFilter struct {
+	Talkgroups       []Talkgroup `json:"talkgroups,omitempty"`
+	TalkgroupsNot    []Talkgroup `json:"talkgroupsNot,omitempty"`
+	TalkgroupTagsAll []string    `json:"talkgroupTagsAll,omitempty"`
+	TalkgroupTagsAny []string    `json:"talkgroupTagsAny,omitempty"`
+	TalkgroupTagsNot []string    `json:"talkgroupTagsNot,omitempty"`
+
+	talkgroups map[Talkgroup]bool
+}
+
+func TalkgroupFilterFromPB(ctx context.Context, p *pb.Filter) (*TalkgroupFilter, error) {
+	tgf := &TalkgroupFilter{
+		TalkgroupTagsAll: p.TalkgroupTagsAll,
+		TalkgroupTagsAny: p.TalkgroupTagsAny,
+		TalkgroupTagsNot: p.TalkgroupTagsNot,
+	}
+
+	if l := len(p.Talkgroups); l > 0 {
+		tgf.Talkgroups = make([]Talkgroup, l)
+		for i, t := range p.Talkgroups {
+			tgf.Talkgroups[i] = Talkgroup{
+				System:    uint32(t.System),
+				Talkgroup: uint32(t.Talkgroup),
+			}
+		}
+	}
+
+	if l := len(p.TalkgroupsNot); l > 0 {
+		tgf.TalkgroupsNot = make([]Talkgroup, l)
+		for i, t := range p.TalkgroupsNot {
+			tgf.TalkgroupsNot[i] = Talkgroup{
+				System:    uint32(t.System),
+				Talkgroup: uint32(t.Talkgroup),
+			}
+		}
+	}
+
+	return tgf, tgf.compile(ctx)
+}
+
+func PackedTGs(tg []Talkgroup) []int64 {
+	s := make([]int64, len(tg))
+
+	for i, v := range tg {
+		s[i] = v.Pack()
+	}
+
+	return s
+}
+
+func (f *TalkgroupFilter) hasTags() bool {
+	return len(f.TalkgroupTagsAny) > 0 || len(f.TalkgroupTagsAll) > 0 || len(f.TalkgroupTagsNot) > 0
+}
+
+func (f *TalkgroupFilter) GetFinalTalkgroups() map[Talkgroup]bool {
+	return f.talkgroups
+}
+
+func (f *TalkgroupFilter) compile(ctx context.Context) error {
+	f.talkgroups = make(map[Talkgroup]bool)
+	for _, tg := range f.Talkgroups {
+		f.talkgroups[tg] = true
+	}
+
+	if f.hasTags() { // don't bother with DB if no tags
+		db := database.FromCtx(ctx)
+		tagTGs, err := db.GetTalkgroupIDsByTags(ctx, f.TalkgroupTagsAny, f.TalkgroupTagsAll, f.TalkgroupTagsNot)
+		if err != nil {
+			return err
+		}
+
+		for _, tg := range tagTGs {
+			f.talkgroups[Talkgroup{System: uint32(tg.SystemID), Talkgroup: uint32(tg.Tgid)}] = true
+		}
+	}
+
+	for _, tg := range f.TalkgroupsNot {
+		f.talkgroups[tg] = false
+	}
+
+	return nil
+}
+
+func (f *TalkgroupFilter) Test(ctx context.Context, call *Call) bool {
+	if f == nil { // no filter means all calls
+		return true
+	}
+
+	if f.talkgroups == nil {
+		err := f.compile(ctx)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	tg := call.TalkgroupTuple()
+
+	tgRes, have := f.talkgroups[tg]
+	if have {
+		return tgRes
+	}
+
+	for _, patch := range call.Patches {
+		tg.Talkgroup = uint32(patch)
+		tgRes, have := f.talkgroups[tg]
+		if have {
+			return tgRes
+		}
+	}
+
+	return false
+}
diff --git a/pkg/gordio/database/database.go b/pkg/gordio/database/database.go
index 4ed9e61..99c26fc 100644
--- a/pkg/gordio/database/database.go
+++ b/pkg/gordio/database/database.go
@@ -13,6 +13,8 @@ import (
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
+// This file will eventually turn into a postgres driver.
+
 // DB is a database handle.
 type DB struct {
 	*pgxpool.Pool
diff --git a/pkg/gordio/database/models.go b/pkg/gordio/database/models.go
index 6aafd8d..e0d4509 100644
--- a/pkg/gordio/database/models.go
+++ b/pkg/gordio/database/models.go
@@ -68,8 +68,9 @@ type System struct {
 }
 
 type Talkgroup struct {
-	SystemID  int      `json:"system_id"`
-	Tgid      int      `json:"tgid"`
+	ID        int64    `json:"id"`
+	SystemID  int32    `json:"system_id"`
+	Tgid      int32    `json:"tgid"`
 	Name      *string  `json:"name"`
 	TgGroup   *string  `json:"tg_group"`
 	Frequency *int32   `json:"frequency"`
diff --git a/pkg/gordio/database/querier.go b/pkg/gordio/database/querier.go
index ab6d283..45d38d8 100644
--- a/pkg/gordio/database/querier.go
+++ b/pkg/gordio/database/querier.go
@@ -13,12 +13,14 @@ import (
 
 type Querier interface {
 	AddCall(ctx context.Context, arg AddCallParams) (uuid.UUID, error)
+	BulkSetTalkgroupTags(ctx context.Context, iD int64, tags []string) error
 	CreateAPIKey(ctx context.Context, owner int, expires pgtype.Timestamp, disabled *bool) (ApiKey, error)
 	CreateUser(ctx context.Context, arg CreateUserParams) (User, error)
 	DeleteAPIKey(ctx context.Context, apiKey string) error
 	DeleteUser(ctx context.Context, username string) error
 	GetAPIKey(ctx context.Context, apiKey string) (ApiKey, error)
-	GetTalkgroupTags(ctx context.Context, systemID int, tgid int) ([]string, error)
+	GetTalkgroupIDsByTags(ctx context.Context, anytags []string, alltags []string, nottags []string) ([]GetTalkgroupIDsByTagsRow, error)
+	GetTalkgroupTags(ctx context.Context, sys int, tg int) ([]string, error)
 	GetTalkgroupsWithAllTags(ctx context.Context, tags []string) ([]Talkgroup, error)
 	GetTalkgroupsWithAnyTags(ctx context.Context, tags []string) ([]Talkgroup, error)
 	GetUserByID(ctx context.Context, id int32) (User, error)
@@ -26,7 +28,7 @@ type Querier interface {
 	GetUserByUsername(ctx context.Context, username string) (User, error)
 	GetUsers(ctx context.Context) ([]User, error)
 	SetCallTranscript(ctx context.Context, iD uuid.UUID, transcript *string) error
-	SetTalkgroupTags(ctx context.Context, tags []string, tgid int) error
+	SetTalkgroupTags(ctx context.Context, sys int, tg int, tags []string) error
 	UpdatePassword(ctx context.Context, username string, password string) error
 }
 
diff --git a/pkg/gordio/database/talkgroups.sql.go b/pkg/gordio/database/talkgroups.sql.go
index 398d77b..dab0f72 100644
--- a/pkg/gordio/database/talkgroups.sql.go
+++ b/pkg/gordio/database/talkgroups.sql.go
@@ -9,20 +9,62 @@ import (
 	"context"
 )
 
-const getTalkgroupTags = `-- name: GetTalkgroupTags :one
-SELECT tags FROM talkgroups
-WHERE system_id = $1 AND tgid = $2
+const bulkSetTalkgroupTags = `-- name: BulkSetTalkgroupTags :exec
+UPDATE talkgroups SET tags = $2
+WHERE id = ANY($1)
 `
 
-func (q *Queries) GetTalkgroupTags(ctx context.Context, systemID int, tgid int) ([]string, error) {
-	row := q.db.QueryRow(ctx, getTalkgroupTags, systemID, tgid)
+func (q *Queries) BulkSetTalkgroupTags(ctx context.Context, iD int64, tags []string) error {
+	_, err := q.db.Exec(ctx, bulkSetTalkgroupTags, iD, tags)
+	return err
+}
+
+const getTalkgroupIDsByTags = `-- name: GetTalkgroupIDsByTags :many
+SELECT system_id, tgid FROM talkgroups
+WHERE (tags @> ARRAY[$1])
+AND (tags && ARRAY[$2])
+AND NOT (tags @> ARRAY[$3])
+`
+
+type GetTalkgroupIDsByTagsRow struct {
+	SystemID int32 `json:"system_id"`
+	Tgid     int32 `json:"tgid"`
+}
+
+func (q *Queries) GetTalkgroupIDsByTags(ctx context.Context, anytags []string, alltags []string, nottags []string) ([]GetTalkgroupIDsByTagsRow, error) {
+	rows, err := q.db.Query(ctx, getTalkgroupIDsByTags, anytags, alltags, nottags)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []GetTalkgroupIDsByTagsRow
+	for rows.Next() {
+		var i GetTalkgroupIDsByTagsRow
+		if err := rows.Scan(&i.SystemID, &i.Tgid); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const getTalkgroupTags = `-- name: GetTalkgroupTags :one
+SELECT tags FROM talkgroups
+WHERE id = systg2id($1, $2)
+`
+
+func (q *Queries) GetTalkgroupTags(ctx context.Context, sys int, tg int) ([]string, error) {
+	row := q.db.QueryRow(ctx, getTalkgroupTags, sys, tg)
 	var tags []string
 	err := row.Scan(&tags)
 	return tags, err
 }
 
 const getTalkgroupsWithAllTags = `-- name: GetTalkgroupsWithAllTags :many
-SELECT system_id, tgid, name, tg_group, frequency, metadata, tags FROM talkgroups
+SELECT id, system_id, tgid, name, tg_group, frequency, metadata, tags FROM talkgroups
 WHERE tags && ARRAY[$1]
 `
 
@@ -36,6 +78,7 @@ func (q *Queries) GetTalkgroupsWithAllTags(ctx context.Context, tags []string) (
 	for rows.Next() {
 		var i Talkgroup
 		if err := rows.Scan(
+			&i.ID,
 			&i.SystemID,
 			&i.Tgid,
 			&i.Name,
@@ -55,7 +98,7 @@ func (q *Queries) GetTalkgroupsWithAllTags(ctx context.Context, tags []string) (
 }
 
 const getTalkgroupsWithAnyTags = `-- name: GetTalkgroupsWithAnyTags :many
-SELECT system_id, tgid, name, tg_group, frequency, metadata, tags FROM talkgroups
+SELECT id, system_id, tgid, name, tg_group, frequency, metadata, tags FROM talkgroups
 WHERE tags @> ARRAY[$1]
 `
 
@@ -69,6 +112,7 @@ func (q *Queries) GetTalkgroupsWithAnyTags(ctx context.Context, tags []string) (
 	for rows.Next() {
 		var i Talkgroup
 		if err := rows.Scan(
+			&i.ID,
 			&i.SystemID,
 			&i.Tgid,
 			&i.Name,
@@ -88,11 +132,11 @@ func (q *Queries) GetTalkgroupsWithAnyTags(ctx context.Context, tags []string) (
 }
 
 const setTalkgroupTags = `-- name: SetTalkgroupTags :exec
-UPDATE talkgroups SET tags = $1
-WHERE system_id = $1 AND tgid = $2
+UPDATE talkgroups SET tags = $3
+WHERE id = systg2id($1, $2)
 `
 
-func (q *Queries) SetTalkgroupTags(ctx context.Context, tags []string, tgid int) error {
-	_, err := q.db.Exec(ctx, setTalkgroupTags, tags, tgid)
+func (q *Queries) SetTalkgroupTags(ctx context.Context, sys int, tg int, tags []string) error {
+	_, err := q.db.Exec(ctx, setTalkgroupTags, sys, tg, tags)
 	return err
 }
diff --git a/pkg/gordio/nexus/client.go b/pkg/gordio/nexus/client.go
index 4801343..56c40a7 100644
--- a/pkg/gordio/nexus/client.go
+++ b/pkg/gordio/nexus/client.go
@@ -1,10 +1,11 @@
 package nexus
 
 import (
+	"context"
 	"io"
 	"sync"
 
-	"dynatron.me/x/stillbox/pkg/live"
+	"dynatron.me/x/stillbox/pkg/calls"
 	"dynatron.me/x/stillbox/pkg/pb"
 
 	"github.com/rs/zerolog/log"
@@ -16,8 +17,8 @@ type Client interface {
 
 	Connection
 
-	HandleCommand(*pb.Command)
-	HandleMessage([]byte)
+	HandleCommand(context.Context, *pb.Command)
+	HandleMessage(context.Context, []byte)
 }
 
 type client struct {
@@ -25,7 +26,9 @@ type client struct {
 
 	Connection
 
-	live  live.Listener
+	liveState pb.LiveState
+	filter    *calls.TalkgroupFilter
+
 	nexus *Nexus
 }
 
@@ -45,7 +48,7 @@ func (n *Nexus) NewClient(conn Connection) Client {
 	return sess
 }
 
-func (c *client) HandleMessage(mesgBytes []byte) {
+func (c *client) HandleMessage(ctx context.Context, mesgBytes []byte) {
 	var msg pb.Command
 	err := proto.Unmarshal(mesgBytes, &msg)
 	if err != nil {
@@ -53,5 +56,5 @@ func (c *client) HandleMessage(mesgBytes []byte) {
 		return
 	}
 
-	c.HandleCommand(&msg)
+	c.HandleCommand(ctx, &msg)
 }
diff --git a/pkg/gordio/nexus/commands.go b/pkg/gordio/nexus/commands.go
index 58f81a6..88a4d4f 100644
--- a/pkg/gordio/nexus/commands.go
+++ b/pkg/gordio/nexus/commands.go
@@ -1,25 +1,51 @@
 package nexus
 
 import (
+	"context"
+
+	"dynatron.me/x/stillbox/pkg/calls"
 	"dynatron.me/x/stillbox/pkg/pb"
 
 	"github.com/rs/zerolog/log"
 )
 
-func (c *client) HandleCommand(cmd *pb.Command) {
+func (c *client) HandleCommand(ctx context.Context, cmd *pb.Command) {
 	switch cc := cmd.Command.(type) {
 	case *pb.Command_LiveCommand:
-		c.Live(cc.LiveCommand)
+		c.Live(ctx, cc.LiveCommand)
 	case *pb.Command_SearchCommand:
 	default:
 		log.Error().Msgf("unknown command %T", cmd)
 	}
 }
 
-func (c *client) Live(cmd *pb.Live) {
-	switch cmd.State {
-	case pb.LiveState_LS_STOPPED:
-	case pb.LiveState_LS_LIVE:
-	case pb.LiveState_LS_PAUSED:
+func (c *client) SendError(err error) {
+	e := &pb.Message{
+		ToClientMessage: &pb.Message_Error{
+			Error: &pb.Error{
+				Error: err.Error(),
+			},
+		},
+	}
+	c.Send(e)
+}
+
+func (c *client) Live(ctx context.Context, cmd *pb.Live) {
+	c.Lock()
+	defer c.Unlock()
+
+	if cmd.State != nil {
+		c.liveState = *cmd.State
+	}
+
+	if cmd.Filter != nil {
+		filter, err := calls.TalkgroupFilterFromPB(ctx, cmd.Filter)
+		if err != nil {
+			log.Error().Err(err).Msg("filter create failed")
+			c.SendError(err)
+			return
+		}
+
+		c.filter = filter
 	}
 }
diff --git a/pkg/gordio/nexus/nexus.go b/pkg/gordio/nexus/nexus.go
index 9a9409e..134ffe2 100644
--- a/pkg/gordio/nexus/nexus.go
+++ b/pkg/gordio/nexus/nexus.go
@@ -1,6 +1,7 @@
 package nexus
 
 import (
+	"context"
 	"sync"
 
 	"dynatron.me/x/stillbox/pkg/calls"
@@ -34,7 +35,7 @@ func New() *Nexus {
 	return n
 }
 
-func (n *Nexus) Go(done <-chan struct{}) {
+func (n *Nexus) Go(ctx context.Context) {
 	for {
 		select {
 		case call, ok := <-n.callCh:
@@ -42,8 +43,8 @@ func (n *Nexus) Go(done <-chan struct{}) {
 				return
 			}
 
-			n.broadcastCallToClients(call)
-		case <-done:
+			n.broadcastCallToClients(ctx, call)
+		case <-ctx.Done():
 			return
 		}
 	}
@@ -53,14 +54,18 @@ func (n *Nexus) BroadcastCall(call *calls.Call) {
 	n.callCh <- call
 }
 
-func (n *Nexus) broadcastCallToClients(call *calls.Call) {
+func (n *Nexus) broadcastCallToClients(ctx context.Context, call *calls.Call) {
 	message := &pb.Message{
 		ToClientMessage: &pb.Message_Call{Call: call.ToPB()},
 	}
 	n.Lock()
 	defer n.Unlock()
 
-	for cl, _ := range n.clients {
+	for cl := range n.clients {
+		if !cl.filter.Test(ctx, call) {
+			continue
+		}
+
 		if cl.Send(message) {
 			// we already hold the lock, and the channel is closed anyway
 			delete(n.clients, cl)
diff --git a/pkg/gordio/nexus/websocket.go b/pkg/gordio/nexus/websocket.go
index f755055..1ec79b4 100644
--- a/pkg/gordio/nexus/websocket.go
+++ b/pkg/gordio/nexus/websocket.go
@@ -1,6 +1,7 @@
 package nexus
 
 import (
+	"context"
 	"io"
 	"net/http"
 	"time"
@@ -81,11 +82,11 @@ func (wm *wsManager) serveWS(w http.ResponseWriter, r *http.Request) {
 	cli := wm.NewClient(wsc)
 	wm.Register(cli)
 
-	go wsc.readPump(wm, cli)
+	go wsc.readPump(r.Context(), wm, cli)
 	go wsc.writePump()
 }
 
-func (conn *wsConn) readPump(reg Registry, c Client) {
+func (conn *wsConn) readPump(ctx context.Context, reg Registry, c Client) {
 	defer func() {
 		reg.Unregister(c)
 		conn.Close()
@@ -110,7 +111,7 @@ func (conn *wsConn) readPump(reg Registry, c Client) {
 			break
 		}
 
-		go c.HandleMessage(message)
+		go c.HandleMessage(ctx, message)
 	}
 }
 
diff --git a/pkg/gordio/server/server.go b/pkg/gordio/server/server.go
index e6b394c..0ab41a8 100644
--- a/pkg/gordio/server/server.go
+++ b/pkg/gordio/server/server.go
@@ -1,6 +1,7 @@
 package server
 
 import (
+	"context"
 	"net/http"
 
 	"dynatron.me/x/stillbox/pkg/gordio/auth"
@@ -54,12 +55,11 @@ func New(cfg *config.Config) (*Server, error) {
 
 func (s *Server) Go() error {
 	defer s.db.Close()
-	done := make(chan struct{})
 
-	defer func() {
-		close(done)
-	}()
-	go s.nex.Go(done)
+	ctx, cancel := context.WithCancel(database.CtxWithDB(context.Background(), s.db))
+	defer cancel()
+
+	go s.nex.Go(ctx)
 
 	http.ListenAndServe(s.conf.Listen, s.r)
 	return nil
diff --git a/pkg/gordio/sources/http.go b/pkg/gordio/sources/http.go
index 57f3ee0..c8dfe7d 100644
--- a/pkg/gordio/sources/http.go
+++ b/pkg/gordio/sources/http.go
@@ -10,8 +10,8 @@ import (
 	"time"
 
 	"dynatron.me/x/stillbox/internal/common"
-	"dynatron.me/x/stillbox/pkg/gordio/auth"
 	"dynatron.me/x/stillbox/pkg/calls"
+	"dynatron.me/x/stillbox/pkg/gordio/auth"
 	"github.com/go-chi/chi/v5"
 	"github.com/rs/zerolog/log"
 )
diff --git a/pkg/live/listener.go b/pkg/live/listener.go
deleted file mode 100644
index d17242b..0000000
--- a/pkg/live/listener.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package live
-
-import (
-	"dynatron.me/x/stillbox/pkg/pb"
-)
-
-type Listener struct {
-	pb.Live
-}
-
-func (l *Listener) IsLive() bool {
-	return l.State == pb.LiveState_LS_LIVE
-}
diff --git a/pkg/pb/stillbox.pb.go b/pkg/pb/stillbox.pb.go
index 22a2096..a93f46f 100644
--- a/pkg/pb/stillbox.pb.go
+++ b/pkg/pb/stillbox.pb.go
@@ -80,6 +80,7 @@ type Message struct {
 	//	*Message_Call
 	//	*Message_Notification
 	//	*Message_Popup
+	//	*Message_Error
 	ToClientMessage isMessage_ToClientMessage `protobuf_oneof:"toClient_message"`
 }
 
@@ -143,6 +144,13 @@ func (x *Message) GetPopup() *UserPopup {
 	return nil
 }
 
+func (x *Message) GetError() *Error {
+	if x, ok := x.GetToClientMessage().(*Message_Error); ok {
+		return x.Error
+	}
+	return nil
+}
+
 type isMessage_ToClientMessage interface {
 	isMessage_ToClientMessage()
 }
@@ -159,12 +167,18 @@ type Message_Popup struct {
 	Popup *UserPopup `protobuf:"bytes,3,opt,name=popup,proto3,oneof"`
 }
 
+type Message_Error struct {
+	Error *Error `protobuf:"bytes,4,opt,name=error,proto3,oneof"`
+}
+
 func (*Message_Call) isMessage_ToClientMessage() {}
 
 func (*Message_Notification) isMessage_ToClientMessage() {}
 
 func (*Message_Popup) isMessage_ToClientMessage() {}
 
+func (*Message_Error) isMessage_ToClientMessage() {}
+
 type Call struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -339,6 +353,53 @@ func (x *UserPopup) GetMsg() string {
 	return ""
 }
 
+type Error struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Error string `protobuf:"bytes,1,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *Error) Reset() {
+	*x = Error{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stillbox_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Error) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Error) ProtoMessage() {}
+
+func (x *Error) ProtoReflect() protoreflect.Message {
+	mi := &file_stillbox_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Error.ProtoReflect.Descriptor instead.
+func (*Error) Descriptor() ([]byte, []int) {
+	return file_stillbox_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Error) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
 type Notification struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -352,7 +413,7 @@ type Notification struct {
 func (x *Notification) Reset() {
 	*x = Notification{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_stillbox_proto_msgTypes[3]
+		mi := &file_stillbox_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -365,7 +426,7 @@ func (x *Notification) String() string {
 func (*Notification) ProtoMessage() {}
 
 func (x *Notification) ProtoReflect() protoreflect.Message {
-	mi := &file_stillbox_proto_msgTypes[3]
+	mi := &file_stillbox_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -378,7 +439,7 @@ func (x *Notification) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Notification.ProtoReflect.Descriptor instead.
 func (*Notification) Descriptor() ([]byte, []int) {
-	return file_stillbox_proto_rawDescGZIP(), []int{3}
+	return file_stillbox_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *Notification) GetDateTime() *timestamppb.Timestamp {
@@ -417,7 +478,7 @@ type Command struct {
 func (x *Command) Reset() {
 	*x = Command{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_stillbox_proto_msgTypes[4]
+		mi := &file_stillbox_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -430,7 +491,7 @@ func (x *Command) String() string {
 func (*Command) ProtoMessage() {}
 
 func (x *Command) ProtoReflect() protoreflect.Message {
-	mi := &file_stillbox_proto_msgTypes[4]
+	mi := &file_stillbox_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -443,7 +504,7 @@ func (x *Command) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Command.ProtoReflect.Descriptor instead.
 func (*Command) Descriptor() ([]byte, []int) {
-	return file_stillbox_proto_rawDescGZIP(), []int{4}
+	return file_stillbox_proto_rawDescGZIP(), []int{5}
 }
 
 func (m *Command) GetCommand() isCommand_Command {
@@ -488,13 +549,14 @@ type Live struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	State LiveState `protobuf:"varint,1,opt,name=state,proto3,enum=stillbox.LiveState" json:"state,omitempty"`
+	State  *LiveState `protobuf:"varint,1,opt,name=state,proto3,enum=stillbox.LiveState,oneof" json:"state,omitempty"`
+	Filter *Filter    `protobuf:"bytes,2,opt,name=filter,proto3,oneof" json:"filter,omitempty"`
 }
 
 func (x *Live) Reset() {
 	*x = Live{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_stillbox_proto_msgTypes[5]
+		mi := &file_stillbox_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -507,7 +569,7 @@ func (x *Live) String() string {
 func (*Live) ProtoMessage() {}
 
 func (x *Live) ProtoReflect() protoreflect.Message {
-	mi := &file_stillbox_proto_msgTypes[5]
+	mi := &file_stillbox_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -520,16 +582,157 @@ func (x *Live) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Live.ProtoReflect.Descriptor instead.
 func (*Live) Descriptor() ([]byte, []int) {
-	return file_stillbox_proto_rawDescGZIP(), []int{5}
+	return file_stillbox_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Live) GetState() LiveState {
-	if x != nil {
-		return x.State
+	if x != nil && x.State != nil {
+		return *x.State
 	}
 	return LiveState_LS_STOPPED
 }
 
+func (x *Live) GetFilter() *Filter {
+	if x != nil {
+		return x.Filter
+	}
+	return nil
+}
+
+type Talkgroup struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	System    int32 `protobuf:"varint,1,opt,name=system,proto3" json:"system,omitempty"`
+	Talkgroup int32 `protobuf:"varint,2,opt,name=talkgroup,proto3" json:"talkgroup,omitempty"`
+}
+
+func (x *Talkgroup) Reset() {
+	*x = Talkgroup{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stillbox_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Talkgroup) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Talkgroup) ProtoMessage() {}
+
+func (x *Talkgroup) ProtoReflect() protoreflect.Message {
+	mi := &file_stillbox_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Talkgroup.ProtoReflect.Descriptor instead.
+func (*Talkgroup) Descriptor() ([]byte, []int) {
+	return file_stillbox_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *Talkgroup) GetSystem() int32 {
+	if x != nil {
+		return x.System
+	}
+	return 0
+}
+
+func (x *Talkgroup) GetTalkgroup() int32 {
+	if x != nil {
+		return x.Talkgroup
+	}
+	return 0
+}
+
+type Filter struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Talkgroups       []*Talkgroup `protobuf:"bytes,1,rep,name=talkgroups,proto3" json:"talkgroups,omitempty"`
+	TalkgroupsNot    []*Talkgroup `protobuf:"bytes,2,rep,name=talkgroups_not,json=talkgroupsNot,proto3" json:"talkgroups_not,omitempty"`
+	TalkgroupTagsAll []string     `protobuf:"bytes,3,rep,name=talkgroup_tags_all,json=talkgroupTagsAll,proto3" json:"talkgroup_tags_all,omitempty"`
+	TalkgroupTagsAny []string     `protobuf:"bytes,4,rep,name=talkgroup_tags_any,json=talkgroupTagsAny,proto3" json:"talkgroup_tags_any,omitempty"`
+	TalkgroupTagsNot []string     `protobuf:"bytes,5,rep,name=talkgroup_tags_not,json=talkgroupTagsNot,proto3" json:"talkgroup_tags_not,omitempty"`
+}
+
+func (x *Filter) Reset() {
+	*x = Filter{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stillbox_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Filter) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Filter) ProtoMessage() {}
+
+func (x *Filter) ProtoReflect() protoreflect.Message {
+	mi := &file_stillbox_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Filter.ProtoReflect.Descriptor instead.
+func (*Filter) Descriptor() ([]byte, []int) {
+	return file_stillbox_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *Filter) GetTalkgroups() []*Talkgroup {
+	if x != nil {
+		return x.Talkgroups
+	}
+	return nil
+}
+
+func (x *Filter) GetTalkgroupsNot() []*Talkgroup {
+	if x != nil {
+		return x.TalkgroupsNot
+	}
+	return nil
+}
+
+func (x *Filter) GetTalkgroupTagsAll() []string {
+	if x != nil {
+		return x.TalkgroupTagsAll
+	}
+	return nil
+}
+
+func (x *Filter) GetTalkgroupTagsAny() []string {
+	if x != nil {
+		return x.TalkgroupTagsAny
+	}
+	return nil
+}
+
+func (x *Filter) GetTalkgroupTagsNot() []string {
+	if x != nil {
+		return x.TalkgroupTagsNot
+	}
+	return nil
+}
+
 type Search struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -539,7 +742,7 @@ type Search struct {
 func (x *Search) Reset() {
 	*x = Search{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_stillbox_proto_msgTypes[6]
+		mi := &file_stillbox_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -552,7 +755,7 @@ func (x *Search) String() string {
 func (*Search) ProtoMessage() {}
 
 func (x *Search) ProtoReflect() protoreflect.Message {
-	mi := &file_stillbox_proto_msgTypes[6]
+	mi := &file_stillbox_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -565,7 +768,7 @@ func (x *Search) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Search.ProtoReflect.Descriptor instead.
 func (*Search) Descriptor() ([]byte, []int) {
-	return file_stillbox_proto_rawDescGZIP(), []int{6}
+	return file_stillbox_proto_rawDescGZIP(), []int{9}
 }
 
 var File_stillbox_proto protoreflect.FileDescriptor
@@ -574,7 +777,7 @@ var file_stillbox_proto_rawDesc = []byte{
 	0x0a, 0x0e, 0x73, 0x74, 0x69, 0x6c, 0x6c, 0x62, 0x6f, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
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+	0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd7, 0x01, 0x0a, 0x07,
 	0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x24, 0x0a, 0x04, 0x63, 0x61, 0x6c, 0x6c, 0x18,
 	0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0e, 0x2e, 0x73, 0x74, 0x69, 0x6c, 0x6c, 0x62, 0x6f, 0x78,
 	0x2e, 0x43, 0x61, 0x6c, 0x6c, 0x48, 0x00, 0x52, 0x04, 0x63, 0x61, 0x6c, 0x6c, 0x12, 0x3c, 0x0a,
@@ -584,56 +787,85 @@ var file_stillbox_proto_rawDesc = []byte{
 	0x6f, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x2b, 0x0a, 0x05, 0x70,
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+	0x00, 0x12, 0x0b, 0x0a, 0x07, 0x4c, 0x53, 0x5f, 0x4c, 0x49, 0x56, 0x45, 0x10, 0x01, 0x12, 0x0d,
+	0x0a, 0x09, 0x4c, 0x53, 0x5f, 0x50, 0x41, 0x55, 0x53, 0x45, 0x44, 0x10, 0x02, 0x42, 0x06, 0x5a,
+	0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -649,32 +881,39 @@ func file_stillbox_proto_rawDescGZIP() []byte {
 }
 
 var file_stillbox_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_stillbox_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_stillbox_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
 var file_stillbox_proto_goTypes = []any{
 	(LiveState)(0),                // 0: stillbox.LiveState
 	(*Message)(nil),               // 1: stillbox.Message
 	(*Call)(nil),                  // 2: stillbox.Call
 	(*UserPopup)(nil),             // 3: stillbox.UserPopup
-	(*Notification)(nil),          // 4: stillbox.Notification
-	(*Command)(nil),               // 5: stillbox.Command
-	(*Live)(nil),                  // 6: stillbox.Live
-	(*Search)(nil),                // 7: stillbox.Search
-	(*timestamppb.Timestamp)(nil), // 8: google.protobuf.Timestamp
+	(*Error)(nil),                 // 4: stillbox.Error
+	(*Notification)(nil),          // 5: stillbox.Notification
+	(*Command)(nil),               // 6: stillbox.Command
+	(*Live)(nil),                  // 7: stillbox.Live
+	(*Talkgroup)(nil),             // 8: stillbox.Talkgroup
+	(*Filter)(nil),                // 9: stillbox.Filter
+	(*Search)(nil),                // 10: stillbox.Search
+	(*timestamppb.Timestamp)(nil), // 11: google.protobuf.Timestamp
 }
 var file_stillbox_proto_depIdxs = []int32{
-	2, // 0: stillbox.Message.call:type_name -> stillbox.Call
-	4, // 1: stillbox.Message.notification:type_name -> stillbox.Notification
-	3, // 2: stillbox.Message.popup:type_name -> stillbox.UserPopup
-	8, // 3: stillbox.Call.dateTime:type_name -> google.protobuf.Timestamp
-	8, // 4: stillbox.Notification.dateTime:type_name -> google.protobuf.Timestamp
-	6, // 5: stillbox.Command.liveCommand:type_name -> stillbox.Live
-	7, // 6: stillbox.Command.searchCommand:type_name -> stillbox.Search
-	0, // 7: stillbox.Live.state:type_name -> stillbox.LiveState
-	8, // [8:8] is the sub-list for method output_type
-	8, // [8:8] is the sub-list for method input_type
-	8, // [8:8] is the sub-list for extension type_name
-	8, // [8:8] is the sub-list for extension extendee
-	0, // [0:8] is the sub-list for field type_name
+	2,  // 0: stillbox.Message.call:type_name -> stillbox.Call
+	5,  // 1: stillbox.Message.notification:type_name -> stillbox.Notification
+	3,  // 2: stillbox.Message.popup:type_name -> stillbox.UserPopup
+	4,  // 3: stillbox.Message.error:type_name -> stillbox.Error
+	11, // 4: stillbox.Call.dateTime:type_name -> google.protobuf.Timestamp
+	11, // 5: stillbox.Notification.dateTime:type_name -> google.protobuf.Timestamp
+	7,  // 6: stillbox.Command.liveCommand:type_name -> stillbox.Live
+	10, // 7: stillbox.Command.searchCommand:type_name -> stillbox.Search
+	0,  // 8: stillbox.Live.state:type_name -> stillbox.LiveState
+	9,  // 9: stillbox.Live.filter:type_name -> stillbox.Filter
+	8,  // 10: stillbox.Filter.talkgroups:type_name -> stillbox.Talkgroup
+	8,  // 11: stillbox.Filter.talkgroups_not:type_name -> stillbox.Talkgroup
+	12, // [12:12] is the sub-list for method output_type
+	12, // [12:12] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_stillbox_proto_init() }
@@ -720,7 +959,7 @@ func file_stillbox_proto_init() {
 			}
 		}
 		file_stillbox_proto_msgTypes[3].Exporter = func(v any, i int) any {
-			switch v := v.(*Notification); i {
+			switch v := v.(*Error); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -732,7 +971,7 @@ func file_stillbox_proto_init() {
 			}
 		}
 		file_stillbox_proto_msgTypes[4].Exporter = func(v any, i int) any {
-			switch v := v.(*Command); i {
+			switch v := v.(*Notification); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -744,7 +983,7 @@ func file_stillbox_proto_init() {
 			}
 		}
 		file_stillbox_proto_msgTypes[5].Exporter = func(v any, i int) any {
-			switch v := v.(*Live); i {
+			switch v := v.(*Command); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -756,6 +995,42 @@ func file_stillbox_proto_init() {
 			}
 		}
 		file_stillbox_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*Live); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_stillbox_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*Talkgroup); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_stillbox_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*Filter); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_stillbox_proto_msgTypes[9].Exporter = func(v any, i int) any {
 			switch v := v.(*Search); i {
 			case 0:
 				return &v.state
@@ -772,18 +1047,20 @@ func file_stillbox_proto_init() {
 		(*Message_Call)(nil),
 		(*Message_Notification)(nil),
 		(*Message_Popup)(nil),
+		(*Message_Error)(nil),
 	}
-	file_stillbox_proto_msgTypes[4].OneofWrappers = []any{
+	file_stillbox_proto_msgTypes[5].OneofWrappers = []any{
 		(*Command_LiveCommand)(nil),
 		(*Command_SearchCommand)(nil),
 	}
+	file_stillbox_proto_msgTypes[6].OneofWrappers = []any{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_stillbox_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   7,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/pkg/pb/stillbox.proto b/pkg/pb/stillbox.proto
index dfb325e..ccaf9ca 100644
--- a/pkg/pb/stillbox.proto
+++ b/pkg/pb/stillbox.proto
@@ -9,6 +9,7 @@ message Message {
     Call call = 1;
     Notification notification = 2;
     UserPopup popup = 3;
+    Error error = 4;
   }
 }
 
@@ -30,6 +31,10 @@ message UserPopup {
   string msg = 1;
 }
 
+message Error {
+  string error = 1;
+}
+
 message Notification {
   google.protobuf.Timestamp dateTime = 1;
   string msg = 2;
@@ -50,7 +55,21 @@ enum LiveState {
 }
 
 message Live {
-  LiveState state = 1;
+  optional LiveState state = 1;
+  optional Filter filter = 2;
+}
+
+message Talkgroup {
+  int32 system = 1;
+  int32 talkgroup = 2;
+}
+
+message Filter {
+  repeated Talkgroup talkgroups = 1;
+  repeated Talkgroup talkgroups_not = 2;
+  repeated string talkgroup_tags_all = 3;
+  repeated string talkgroup_tags_any = 4;
+  repeated string talkgroup_tags_not = 5;
 }
 
 message Search {
diff --git a/sql/postgres/migrations/001_initial.up.sql b/sql/postgres/migrations/001_initial.up.sql
index ee5853b..e390f9f 100644
--- a/sql/postgres/migrations/001_initial.up.sql
+++ b/sql/postgres/migrations/001_initial.up.sql
@@ -23,19 +23,42 @@ CREATE TABLE IF NOT EXISTS systems(
 	name TEXT NOT NULL
 );
 
+CREATE OR REPLACE FUNCTION systg2id(_sys INTEGER, _tg INTEGER) RETURNS INT8 LANGUAGE plpgsql AS
+$$
+BEGIN
+	RETURN ((_sys::BIGINT << 32) | _tg);
+END
+$$;
+
+CREATE OR REPLACE FUNCTION tgfromid(_id INT8) RETURNS INTEGER LANGUAGE plpgsql AS
+$$
+BEGIN
+	RETURN (_id & x'ffffffff'::BIGINT);
+END
+$$;
+
+CREATE OR REPLACE FUNCTION sysfromid(_id INT8) RETURNS INTEGER LANGUAGE plpgsql AS
+$$
+BEGIN
+	RETURN (_id >> 32);
+END
+$$;
+
 CREATE TABLE IF NOT EXISTS talkgroups(
-	system_id INTEGER REFERENCES systems(id) NOT NULL,
-	tgid INTEGER,
+	id INT8 PRIMARY KEY,
+	system_id INT4 REFERENCES systems(id) NOT NULL GENERATED ALWAYS AS (id >> 32) STORED,
+	tgid INT4 NOT NULL GENERATED ALWAYS AS (id & x'ffffffff'::BIGINT) STORED,
 	name TEXT,
 	tg_group TEXT,
 	frequency INTEGER,
 	metadata JSONB,
-	tags TEXT[] NOT NULL DEFAULT '{}',
-	PRIMARY KEY (system_id, tgid)
+	tags TEXT[] NOT NULL DEFAULT '{}'
 );
 
 CREATE INDEX IF NOT EXISTS talkgroup_id_tags ON talkgroups USING GIN (tags);
 
+
+
 CREATE TABLE IF NOT EXISTS talkgroups_learned(
 	id SERIAL PRIMARY KEY,
 	system_id INTEGER REFERENCES systems(id) NOT NULL,
diff --git a/sql/postgres/queries/talkgroups.sql b/sql/postgres/queries/talkgroups.sql
index fa224a3..41909ae 100644
--- a/sql/postgres/queries/talkgroups.sql
+++ b/sql/postgres/queries/talkgroups.sql
@@ -6,10 +6,20 @@ WHERE tags @> ARRAY[$1];
 SELECT * FROM talkgroups
 WHERE tags && ARRAY[$1];
 
+-- name: GetTalkgroupIDsByTags :many
+SELECT system_id, tgid FROM talkgroups
+WHERE (tags @> ARRAY[sqlc.arg(anyTags)])
+AND (tags && ARRAY[sqlc.arg(allTags)])
+AND NOT (tags @> ARRAY[sqlc.arg(notTags)]);
+
 -- name: GetTalkgroupTags :one
 SELECT tags FROM talkgroups
-WHERE system_id = $1 AND tgid = $2;
+WHERE id = systg2id($1, $2);
 
 -- name: SetTalkgroupTags :exec
-UPDATE talkgroups SET tags = $1
-WHERE system_id = $1 AND tgid = $2;
+UPDATE talkgroups SET tags = $3
+WHERE id = systg2id($1, $2);
+
+-- name: BulkSetTalkgroupTags :exec
+UPDATE talkgroups SET tags = $2
+WHERE id = ANY($1);