From c833a40a84721c816aaf8c213b18e642f39a141f Mon Sep 17 00:00:00 2001
From: Skylar Sadlier <skylord123@gmail.com>
Date: Sun, 15 Oct 2023 04:17:12 -0600
Subject: [PATCH] Issue #97 Room Settings - Can set room name, topic, and
 avatar - Can get name, topic, avatar, encrypted, power_levels, aliases,
 guest_access, join_rule, and join_allow_rules

---
 package.json                  |   5 +-
 src/matrix-room-settings.html | 115 +++++++++++++++++++++++++++++++++
 src/matrix-room-settings.js   | 116 ++++++++++++++++++++++++++++++++++
 3 files changed, 234 insertions(+), 2 deletions(-)
 create mode 100644 src/matrix-room-settings.html
 create mode 100644 src/matrix-room-settings.js

diff --git a/package.json b/package.json
index 6aeb583..d997df7 100644
--- a/package.json
+++ b/package.json
@@ -32,13 +32,14 @@
       "matrix-crypt-file": "src/matrix-crypt-file.js",
       "matrix-room-kick": "src/matrix-room-kick.js",
       "matrix-room-ban": "src/matrix-room-ban.js",
+      "matrix-room-users": "src/matrix-room-users.js",
+      "matrix-room-settings": "src/matrix-room-settings.js",
       "matrix-synapse-users": "src/matrix-synapse-users.js",
       "matrix-synapse-register": "src/matrix-synapse-register.js",
       "matrix-synapse-create-edit-user": "src/matrix-synapse-create-edit-user.js",
       "matrix-synapse-deactivate-user": "src/matrix-synapse-deactivate-user.js",
       "matrix-synapse-join-room": "src/matrix-synapse-join-room.js",
-      "matrix-whois-user": "src/matrix-whois-user.js",
-      "matrix-room-users": "src/matrix-room-users.js"
+      "matrix-whois-user": "src/matrix-whois-user.js"
     }
   },
   "engines": {
diff --git a/src/matrix-room-settings.html b/src/matrix-room-settings.html
new file mode 100644
index 0000000..02e0d89
--- /dev/null
+++ b/src/matrix-room-settings.html
@@ -0,0 +1,115 @@
+<script type="text/javascript">
+    RED.nodes.registerType('matrix-room-settings',{
+        category: 'matrix',
+        color: '#00b7ca',
+        icon: "matrix.png",
+        outputLabels: ["success", "error"],
+        inputs:1,
+        outputs:2,
+        defaults: {
+            name: { value: null },
+            server: { value: "", type: "matrix-server-config" },
+            roomId: { value: null },
+            reason: { value: null },
+            returnValues: { value: true }
+        },
+        label: function() {
+            return this.name || "Room Settings";
+        },
+        paletteLabel: 'Room Settings'
+    });
+</script>
+
+<script type="text/html" data-template-name="matrix-room-settings">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+ 	 <div class="form-row">
+     	<label for="node-input-server"><i class="fa fa-user"></i> Matrix Server Config</label>
+     	<input type="text" id="node-input-server">
+ 	</div>
+    <div class="form-row">
+        <label for="node-input-roomId"><i class="fa fa-comments"></i> Room ID</label>
+        <input type="text" id="node-input-roomId" placeholder="msg.topic">
+        <pre class="form-tips" id="node-input-roomId-error" style="color: #721c24;background-color: #f8d7da;border-color: #f5c6cb;margin-bottom: 12px;margin-top: 12px;display:none;"></pre>
+    </div>
+    <div class="form-row">
+        <input
+                type="checkbox"
+                id="node-input-returnValues"
+                style="width: auto; margin-left: 105px; vertical-align: top"
+        />
+        <label for="node-input-returnValues" style="width: auto">
+            Return current name, topic, and avatar in <code style="white-space: normal;">msg.payload</code>
+        </label>
+        <div class="form-tips" style="margin-bottom: 12px;">
+            You can set the payload to <code style="white-space: normal;">null</code>, <code style="white-space: normal;">undefined</code>, or <code style="white-space: normal;">false</code> to just get the current settings without changing them.
+        </div>
+    </div>
+    <script type="text/javascript">
+        $(function(){
+            $("#node-input-roomId").on("keyup", function() {
+                if($(this).val() && !$(this).val().startsWith("!")) {
+                    $("#node-input-roomId-error").html(`Room IDs start with exclamation point "!"<br />Example: !OGEhHVWSdvArJzumhm:matrix.org`).show();
+                } else {
+                    $("#node-input-roomId-error").hide();
+                }
+            }).trigger('keyup');
+        });
+    </script>
+</script>
+
+<script type="text/html" data-help-name="matrix-room-settings">
+    <h3>Details</h3>
+    <p>
+        Set or get room name, topic, and avatar.
+    </p>
+
+    <h3>Inputs</h3>
+    <dl class="message-properties">
+        <dt class="optional">msg.topic
+            <span class="property-type">string | null</span>
+        </dt>
+        <dd> The room to set/get settings for.</dd>
+
+        <dt class="optional">msg.payload.name
+            <span class="property-type">string</span>
+        </dt>
+        <dd> New name for the room</dd>
+
+        <dt class="optional">msg.payload.topic
+            <span class="property-type">string</span>
+        </dt>
+        <dd> New topic for the room</dd>
+
+        <dt class="optional">msg.payload.avatar
+            <span class="property-type">string</span>
+        </dt>
+        <dd> MXC URL for the new room avatar (ex: mxc://localhost/JWEIFJgwEIhweiWJE)</dd>
+    </dl>
+
+    <h3>Outputs</h3>
+    <ol class="node-ports">
+        <li>Success
+            <dl class="message-properties">
+                <dt>msg <span class="property-type">object</span></dt>
+                <dd>Original message object.</dd>
+            </dl>
+        </li>
+        <li>Error
+            <dl class="message-properties">
+                <dt>msg.error.name <span class="property-type">string</span></dt>
+                <dd>Error if name failed to set on room.</dd>
+            </dl>
+            <dl class="message-properties">
+                <dt>msg.error.topic <span class="property-type">string</span></dt>
+                <dd>Error if topic failed to set on room.</dd>
+            </dl>
+            <dl class="message-properties">
+                <dt>msg.error.avatar <span class="property-type">string</span></dt>
+                <dd>Error if avatar failed to set on room.</dd>
+            </dl>
+        </li>
+    </ol>
+</script>
\ No newline at end of file
diff --git a/src/matrix-room-settings.js b/src/matrix-room-settings.js
new file mode 100644
index 0000000..153dc97
--- /dev/null
+++ b/src/matrix-room-settings.js
@@ -0,0 +1,116 @@
+module.exports = function(RED) {
+    function MatrixRoomSettings(n) {
+        RED.nodes.createNode(this, n);
+
+        var node = this;
+
+        this.name = n.name;
+        this.server = RED.nodes.getNode(n.server);
+        this.roomId = n.roomId;
+        this.returnValues = n.returnValues;
+
+        if (!node.server) {
+            node.warn("No configuration node");
+            return;
+        }
+        node.server.register(node);
+
+        node.status({ fill: "red", shape: "ring", text: "disconnected" });
+
+        node.server.on("disconnected", function(){
+            node.status({ fill: "red", shape: "ring", text: "disconnected" });
+        });
+
+        node.server.on("connected", function() {
+            node.status({ fill: "green", shape: "ring", text: "connected" });
+        });
+
+        node.on("input", async function (msg) {
+            if (! node.server || ! node.server.matrixClient) {
+                msg.error = "No matrix server selected";
+                node.error(msg.error, msg);
+                node.send([null, msg]);
+                return;
+            }
+
+            if(!node.server.isConnected()) {
+                msg.error = "Matrix server connection is currently closed";
+                node.error(msg.error, msg);
+                node.send([null, msg]);
+                return;
+            }
+
+            msg.topic = node.roomId || msg.topic;
+            if(!msg.topic) {
+                msg.error = "Room must be specified in msg.topic or in configuration";
+                node.error(msg.error, msg);
+                node.send([null, msg]);
+                return;
+            }
+
+            let errors = {},
+                payload = {};
+
+            if(msg.payload?.name) {
+                try {
+                    await node.server.matrixClient.setRoomName(msg.topic, msg.payload.name);
+                } catch(e) {
+                    node.error("Set room name failed: " + e.message, msg);
+                    errors.name = e.message;
+                }
+            }
+
+            if(msg.payload?.topic) {
+                try {
+                    await node.server.matrixClient.setRoomTopic(msg.topic, msg.payload.topic);
+                } catch(e) {
+                    node.error("Set room topic failed: " + e.message, msg);
+                    errors.topic = e.message;
+                }
+            }
+
+            if(msg.payload?.avatar) {
+                try {
+                    await node.server.matrixClient.sendStateEvent(
+                        msg.topic,
+                        "m.room.avatar",
+                        {
+                            "info": msg.payload?.avatar_info || undefined,
+                            "url": msg.payload.avatar
+                        },
+                        "");
+                } catch(e) {
+                    node.error("Set room avatar failed: " + e.message, msg);
+                    errors.topic = e.message;
+                }
+            }
+
+            if(Object.keys(errors).length) {
+                msg.errors = errors;
+            }
+
+            if(node.returnValues) {
+                // return current settings
+                let join_rules = await node.server.matrixClient.getStateEvent(msg.topic, "m.room.join_rules", "");
+                msg.payload = {
+                    "name": (await node.server.matrixClient.getStateEvent(msg.topic, "m.room.name", ""))?.name,
+                    "topic": (await node.server.matrixClient.getStateEvent(msg.topic, "m.room.topic", ""))?.topic,
+                    "avatar": (await node.server.matrixClient.getStateEvent(msg.topic, "m.room.avatar", ""))?.url,
+                    "encrypted": node.server.matrixClient.isRoomEncrypted(msg.topic),
+                    "power_levels": await node.server.matrixClient.getStateEvent(msg.topic, "m.room.power_levels", ""),
+                    "aliases": (await node.server.matrixClient.getLocalAliases(msg.topic))?.aliases,
+                    "guest_access": (await node.server.matrixClient.getStateEvent(msg.topic, "m.room.guest_access", ""))?.guest_access,
+                    "join_rule": join_rules?.join_rule,
+                    "join_allow_rules": join_rules?.allow_rules
+                };
+            }
+
+            node.send([msg, null]);
+        });
+
+        node.on("close", function() {
+            node.server.deregister(node);
+        });
+    }
+    RED.nodes.registerType("matrix-room-settings", MatrixRoomSettings);
+}
\ No newline at end of file