From 0f69a791b5c1982bd7dc1d0f4e9f079fe371c4d0 Mon Sep 17 00:00:00 2001
From: liamcottle <liam@liamcottle.com>
Date: Wed, 20 Nov 2024 12:32:19 +1300
Subject: [PATCH] if channel name is empty, use the modem preset display name
 instead

---
 src/components/channels/ChannelsList.vue     |  7 ++-
 src/components/pages/ChannelMessagesPage.vue |  7 ++-
 src/js/ChannelUtils.js                       | 55 +++++++++++++++++++-
 src/js/Connection.js                         |  7 +++
 src/js/GlobalState.js                        |  1 +
 5 files changed, 71 insertions(+), 6 deletions(-)

diff --git a/src/components/channels/ChannelsList.vue b/src/components/channels/ChannelsList.vue
index 885acf2..1893f04 100644
--- a/src/components/channels/ChannelsList.vue
+++ b/src/components/channels/ChannelsList.vue
@@ -4,10 +4,7 @@
 
             <!-- channel info -->
             <div class="my-auto mr-auto">
-                <div>
-                    <span v-if="channel.settings.name.length > 0">{{ channel.settings.name }}</span>
-                    <span v-else class="text-gray-500 italic">(No Name)</span>
-                </div>
+                <div>{{ getChannelName(channel.index) }}</div>
                 <div class="text-sm text-gray-500">
                     <span v-if="channel.role === Protobuf.Channel.Channel_Role.PRIMARY">Primary Channel</span>
                     <span v-else-if="channel.role === Protobuf.Channel.Channel_Role.SECONDARY">Secondary Channel</span>
@@ -30,6 +27,7 @@ import {
     Protobuf,
 } from "@meshtastic/js";
 import ChannelPskBadge from "./ChannelPskBadge.vue";
+import ChannelUtils from "../../js/ChannelUtils.js";
 export default {
     name: 'ChannelsList',
     components: {ChannelPskBadge},
@@ -46,6 +44,7 @@ export default {
         };
     },
     methods: {
+        getChannelName: (channelId) => ChannelUtils.getChannelName(channelId),
         onChannelClick(channel) {
             this.$emit("channel-click", channel);
         },
diff --git a/src/components/pages/ChannelMessagesPage.vue b/src/components/pages/ChannelMessagesPage.vue
index 964e830..dd991cb 100644
--- a/src/components/pages/ChannelMessagesPage.vue
+++ b/src/components/pages/ChannelMessagesPage.vue
@@ -29,6 +29,7 @@ import Page from "./Page.vue";
 import ChannelPskBadge from "../channels/ChannelPskBadge.vue";
 import IconButton from "../IconButton.vue";
 import Database from "../../js/Database.js";
+import ChannelUtils from "../../js/ChannelUtils.js";
 
 export default {
     name: 'ChannelMessagesPage',
@@ -54,6 +55,7 @@ export default {
 
     },
     methods: {
+        getChannelName: (channelId) => ChannelUtils.getChannelName(channelId),
         async deleteMessageHistory() {
 
             // confirm user wants to delete message history
@@ -71,7 +73,10 @@ export default {
             return GlobalState.channelsByIndex[this.channelId];
         },
         subtitle() {
-            return this.channel?.settings?.name || '(No Name)';
+            if(this.channel){
+                return this.getChannelName(this.channel.index);
+            }
+            return "Unknown Channel";
         },
     },
 }
diff --git a/src/js/ChannelUtils.js b/src/js/ChannelUtils.js
index 3b6a42f..ec6331d 100644
--- a/src/js/ChannelUtils.js
+++ b/src/js/ChannelUtils.js
@@ -1,10 +1,63 @@
 import GlobalState from "./GlobalState.js";
+import {Protobuf} from "@meshtastic/js";
 
 class ChannelUtils {
 
+    // https://github.com/meshtastic/firmware/blob/2b0113ae82f2dc5cde82e5c00921d41d10ac141d/src/mesh/Channels.cpp#L294
     static getChannelName(channelId) {
+
+        // get channel name from channel settings
+        const channel = GlobalState.channelsByIndex[channelId];
+        var channelName = channel?.settings?.name;
+
+        // if channel name is empty, determine what the name should be based on modem preset
+        if(channelName === ""){
+            if(GlobalState.loraConfig?.usePreset === true){
+                channelName = this.getModemPresetDisplayName(GlobalState.loraConfig.modemPreset);
+            } else {
+                channelName = "Custom";
+            }
+        }
+
+        return channelName;
+
+    }
+
+    static getModemPresetDisplayName(modemPreset) {
+        switch(modemPreset){
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.SHORT_TURBO: return "ShortTurbo";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.SHORT_SLOW: return "ShortSlow";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.SHORT_FAST: return "ShortFast";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.MEDIUM_SLOW: return "MediumSlow";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.MEDIUM_FAST: return "MediumFast";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.LONG_SLOW: return "LongSlow";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.LONG_FAST: return "LongFast";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.LONG_MODERATE: return "LongMod";
+            case Protobuf.Config.Config_LoRaConfig_ModemPreset.VERY_LONG_SLOW: return "VLongSlow";
+            default: return "Invalid";
+        }
+    }
+
+    // https://github.com/meshtastic/firmware/blob/2b0113ae82f2dc5cde82e5c00921d41d10ac141d/src/mesh/Channels.cpp#L312
+    static isDefaultChannel(channelId) {
+
+        // find channel by id
         const channel = GlobalState.channelsByIndex[channelId];
-        return channel?.settings?.name;
+        if(!channel){
+            return false;
+        }
+
+        // check if channel has default key
+        const hasDefaultPsk = channel.settings.psk.length === 1 && channel.settings.psk[0] === 1;
+
+        // check if channel has default display name
+        const channelName = this.getChannelName(channelId);
+        const modemPresetDisplayName = this.getModemPresetDisplayName(GlobalState.loraConfig?.modemPreset);
+        const hasDefaultDisplayName = channelName === modemPresetDisplayName;
+
+        // channel is a default channel if it is using the default key and default display name
+        return hasDefaultPsk && hasDefaultDisplayName;
+
     }
 
 }
diff --git a/src/js/Connection.js b/src/js/Connection.js
index 5c10849..6720d81 100644
--- a/src/js/Connection.js
+++ b/src/js/Connection.js
@@ -150,6 +150,13 @@ class Connection {
             GlobalState.deviceStatus = deviceStatus;
         });
 
+        // listen for lora config
+        connection.events.onConfigPacket.subscribe((configPacket) => {
+            if(configPacket.payloadVariant.case.toString() === "lora"){
+                GlobalState.loraConfig = configPacket.payloadVariant.value;
+            }
+        });
+
         // listen for packets from radio
         // we use this for some packets that don't have their own event listener
         connection.events.onFromRadio.subscribe(async (data) => {
diff --git a/src/js/GlobalState.js b/src/js/GlobalState.js
index 7b2706e..17aa749 100644
--- a/src/js/GlobalState.js
+++ b/src/js/GlobalState.js
@@ -12,6 +12,7 @@ const globalState = reactive({
     myNodeId: null,
     myNodeUser: null,
 
+    loraConfig: null,
     channelsByIndex: {},
     nodesById: {},