From b6fbdc66c1ce1ec61ebfb6fcc0351ea627a1d288 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Wed, 22 Feb 2023 16:05:26 +0100
Subject: [chore] Deinterface processor and subprocessors (#1501)

* [chore] Deinterface processor and subprocessors

* expose subprocessors via function calls

* missing license header
---
 internal/processing/stream/stream.go | 78 ++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 internal/processing/stream/stream.go

(limited to 'internal/processing/stream/stream.go')

diff --git a/internal/processing/stream/stream.go b/internal/processing/stream/stream.go
new file mode 100644
index 000000000..3c38e720a
--- /dev/null
+++ b/internal/processing/stream/stream.go
@@ -0,0 +1,78 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package stream
+
+import (
+	"errors"
+	"sync"
+
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+	"github.com/superseriousbusiness/gotosocial/internal/stream"
+)
+
+type Processor struct {
+	db          db.DB
+	oauthServer oauth.Server
+	streamMap   *sync.Map
+}
+
+func New(db db.DB, oauthServer oauth.Server) Processor {
+	return Processor{
+		db:          db,
+		oauthServer: oauthServer,
+		streamMap:   &sync.Map{},
+	}
+}
+
+// toAccount streams the given payload with the given event type to any streams currently open for the given account ID.
+func (p *Processor) toAccount(payload string, event string, timelines []string, accountID string) error {
+	v, ok := p.streamMap.Load(accountID)
+	if !ok {
+		// no open connections so nothing to stream
+		return nil
+	}
+
+	streamsForAccount, ok := v.(*stream.StreamsForAccount)
+	if !ok {
+		return errors.New("stream map error")
+	}
+
+	streamsForAccount.Lock()
+	defer streamsForAccount.Unlock()
+	for _, s := range streamsForAccount.Streams {
+		s.Lock()
+		defer s.Unlock()
+		if !s.Connected {
+			continue
+		}
+
+		for _, t := range timelines {
+			if s.Timeline == string(t) {
+				s.Messages <- &stream.Message{
+					Stream:  []string{string(t)},
+					Event:   string(event),
+					Payload: payload,
+				}
+			}
+		}
+	}
+
+	return nil
+}
-- 
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