From 58364cd0de818fd96a7d7e6667d17394b4c04f9a Mon Sep 17 00:00:00 2001
From: Jochen Friedrich <jochen@scram.de>
Date: Tue, 25 Feb 2020 16:51:17 +0000
Subject: [PATCH] Implement send and receive text messages

---
 matrix.html |  88 +++++++++++++++++++++++++++++++++++++++++
 matrix.js   | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 197 insertions(+), 1 deletion(-)

diff --git a/matrix.html b/matrix.html
index fe7b331..f6dffae 100644
--- a/matrix.html
+++ b/matrix.html
@@ -116,6 +116,50 @@
     <p>Matrix input node</p>
 </script>
 
+<!-- INPUT Node "matrix-recvtext" -->
+
+<script type="text/javascript">
+    RED.nodes.registerType('matrix-recvtext',{
+        category: 'function',
+        color: '#a6bbcf',
+        defaults: {
+            name: {value:""},
+            room: {value:""},
+            server: {value:"", type:"matrix-server"},
+            filterself: {value:true}
+        },
+        inputs:0,
+        outputs:1,
+        icon: "matrix.png",
+        label: function() {
+            return this.name||"matrix-recvtext";
+        }
+    });
+</script>
+
+<script type="text/x-red" data-template-name="matrix-recvtext">
+    <div class="form-row">
+        <label for="node-input-server"><i class="icon-tag"></i> Server</label>
+        <input type="text" id="node-input-server" placeholder="Server">
+    </div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+    <div class="form-row">
+        <label for="node-input-room"><i class="icon-tag"></i> Room</label>
+        <input type="text" id="node-input-room" placeholder="Room">
+    </div>
+    <div class="form-row">
+        <label for="node-input-filterself"><i class="icon-tag"></i> Filter events sent by self</label>
+        <input type="checkbox" id="node-input-filterself" placeholder="Filterself">
+    </div>
+</script>
+
+<script type="text/x-red" data-help-name="matrix-recvtext">
+    <p>Matrix receive text node</p>
+</script>
+
 <!-- OUTPUT Node "matrix-output" -->
 
 <script type="text/javascript">
@@ -155,3 +199,47 @@
     <p>Matrix output node</p>
 </script>
 
+<!-- OUTPUT Node "matrix-sendtext" -->
+
+<script type="text/javascript">
+    RED.nodes.registerType('matrix-sendtext',{
+        category: 'function',
+        color: '#a6bbcf',
+        defaults: {
+            name: {value:""},
+            room: {value:""},
+            server: {value:"", type:"matrix-server"},
+            notice: {value:true}
+        },
+        inputs:1,
+        outputs:0,
+        icon: "matrix.png",
+        label: function() {
+            return this.name||"matrix-sendtext";
+        }
+    });
+</script>
+
+<script type="text/x-red" data-template-name="matrix-sendtext">
+    <div class="form-row">
+        <label for="node-input-server"><i class="icon-tag"></i> Server</label>
+        <input type="text" id="node-input-server" placeholder="Server">
+    </div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+    <div class="form-row">
+        <label for="node-input-room"><i class="icon-tag"></i> Room</label>
+        <input type="text" id="node-input-room" placeholder="Room">
+    </div>
+    <div class="form-row">
+        <label for="node-input-notice"><i class="icon-tag"></i> Send Text as m.notice (silent)</label>
+        <input type="checkbox" id="node-input-notice" placeholder="Notice">
+    </div>
+</script>
+
+<script type="text/x-red" data-help-name="matrix-sendtext">
+    <p>Matrix send text node</p>
+</script>
+
diff --git a/matrix.js b/matrix.js
index b9d29b6..c893041 100644
--- a/matrix.js
+++ b/matrix.js
@@ -104,7 +104,7 @@ module.exports = function(RED) {
                     return; // ignore our own messages
                 }
 
-                if (node.room && (node.room !== event.room)) {
+                if (node.room && (node.room !== room.roomId)) {
                     return;
                 }
 
@@ -124,6 +124,58 @@ module.exports = function(RED) {
     }
     RED.nodes.registerType("matrix-input",MatrixInputNode);
 
+    function MatrixRecvTextNode(config) {
+        RED.nodes.createNode(this,config);
+        var node = this;
+
+        node.configNode = RED.nodes.getNode(config.server);
+
+        node.room = config.room;
+        node.filterself = config.filterself;
+
+        if (!node.configNode) {
+            node.warn("No configuration node");
+            return;
+        }
+
+        node.status({ fill: "red", shape: "ring", text: "disconnected" });
+
+        node.configNode.on("disconnected", function(){
+            node.status({ fill: "red", shape: "ring", text: "disconnected" });
+        });
+
+        node.configNode.on("connected", function() {
+            node.status({ fill: "green", shape: "ring", text: "connected" });
+            node.configNode.matrixClient.on("Room.timeline", function(event, room, toStartOfTimeline) {
+                if (node.filterself && (!event.getSender() || event.getSender() === node.configNode.userid)) {
+                    return; // ignore our own messages
+                }
+
+                if (node.room && (node.room !== room.roomId)) {
+                    return;
+                }
+
+		if (event.event.type !== "m.room.message") {
+                    return;
+                }
+
+                var msg = {
+                    payload: event.getContent().body,
+                    sender:  event.getSender(),
+                    room:  room.roomId
+                };
+
+                node.send(msg);
+            });
+        });
+
+        this.on("close", function(done) {
+            done();
+        });
+
+    }
+    RED.nodes.registerType("matrix-recvtext",MatrixRecvTextNode);
+
     function MatrixOutputNode(config) {
         RED.nodes.createNode(this,config);
         var node = this;
@@ -172,4 +224,60 @@ module.exports = function(RED) {
     }
 
     RED.nodes.registerType("matrix-output", MatrixOutputNode);
+
+    function MatrixSendTextNode(config) {
+        RED.nodes.createNode(this,config);
+        var node = this;
+
+        node.room = config.room;
+        node.notice = config.notice;
+
+        node.configNode = RED.nodes.getNode(config.server);
+
+        if (!node.configNode) {
+            node.warn("No configuration node");
+            return;
+        }
+
+        node.configNode.on("connected", function(){
+            node.status({ fill: "green", shape: "ring", text: "connected" });
+        });
+
+        node.configNode.on("disconnected", function(){
+            node.status({ fill: "red", shape: "ring", text: "disconnected" });
+        });
+
+        this.on("input", function (msg) {
+            if (! node.configNode || ! node.configNode.matrixClient) {
+                node.warn("No configuration");
+                return;
+            }
+
+            var destRoom = "";
+            if (node.room) {
+                destRoom = node.room;
+            } else if (node.configNode.room) {
+                destRoom = node.configNode.room;
+            } else {
+                node.warn("Room must be specified in configuration");
+                return;
+            }
+
+            if (node.notice) {
+                node.configNode.matrixClient.sendNotice(destRoom, msg.payload)
+                    .then(function() { })
+                    .catch(function(e){ node.warn("Error sending message " + e); });
+            } else {
+                node.configNode.matrixClient.sendTextMessage(destRoom, msg.payload)
+                    .then(function() { })
+                    .catch(function(e){ node.warn("Error sending message " + e); });
+            }
+        });
+
+        this.on("close", function(done) {
+            done();
+        });
+    }
+
+    RED.nodes.registerType("matrix-sendtext", MatrixSendTextNode);
 }