channelset wip

app/src/main/java/com/geeksville/mesh/model/Channel.kt

@@ -20,7 +20,7 @@ data class Channel(
     companion object {
         // Note: this string _SHOULD NOT BE LOCALIZED_ because it directly hashes to values used on the device for the default channel name.
         // FIXME - make this work with new channel name system
-        val defaultChannelName = "Default"
+        const val defaultChannelName = "Default"
 
         // These bytes must match the well known and not secret bytes used the default channel AES128 key device code
         val channelDefaultKey = byteArrayOfInts(
@@ -33,27 +33,8 @@ data class Channel(
             MeshProtos.ChannelSettings.newBuilder().setName(defaultChannelName)
                 .setModemConfig(MeshProtos.ChannelSettings.ModemConfig.Bw125Cr45Sf128).build()
         )
-
-        const val prefix = "https://www.meshtastic.org/c/#"
-
-        private const val base64Flags = Base64.URL_SAFE + Base64.NO_WRAP + Base64.NO_PADDING
-
-        private fun urlToSettings(url: Uri): MeshProtos.ChannelSettings {
-            val urlStr = url.toString()
-
-            // We no longer support the super old (about 0.8ish? verison of the URLs that don't use the # separator - I doubt
-            // anyone is still using that old format
-            val pathRegex = Regex("$prefix(.*)", RegexOption.IGNORE_CASE)
-            val (base64) = pathRegex.find(urlStr)?.destructured
-                ?: throw MalformedURLException("Not a meshtastic URL: ${urlStr.take(40)}")
-            val bytes = Base64.decode(base64, base64Flags)
-
-            return MeshProtos.ChannelSettings.parseFrom(bytes)
-        }
     }
 
-    constructor(url: Uri) : this(urlToSettings(url))
-
     /// Return the name of our channel as a human readable string.  If empty string, assume "Default" per mesh.proto spec
     val name: String
         get() = if (settings.name.isEmpty()) {
@@ -106,32 +87,4 @@ data class Channel(
 
             return "#${name}-${suffix}"
         }
-
-    /// Can this channel be changed right now?
-    var editable = false
-
-    /// Return an URL that represents the current channel values
-    /// @param upperCasePrefix - portions of the URL can be upper case to make for more efficient QR codes
-    fun getChannelUrl(upperCasePrefix: Boolean = false): Uri {
-        // If we have a valid radio config use it, othterwise use whatever we have saved in the prefs
-
-        val channelBytes = settings.toByteArray() ?: ByteArray(0) // if unset just use empty
-        val enc = Base64.encodeToString(channelBytes, base64Flags)
-
-        val p = if(upperCasePrefix)
-            prefix.toUpperCase()
-        else
-            prefix
-        return Uri.parse("$p$enc")
-    }
-
-    fun getChannelQR(): Bitmap {
-        val multiFormatWriter = MultiFormatWriter()
-
-        // We encode as UPPER case for the QR code URL because QR codes are more efficient for that special case
-        val bitMatrix =
-            multiFormatWriter.encode(getChannelUrl(true).toString(), BarcodeFormat.QR_CODE, 192, 192);
-        val barcodeEncoder = BarcodeEncoder()
-        return barcodeEncoder.createBitmap(bitMatrix)
-    }
 }