refactor: migrate nodeDB to Room database (#717)

app/src/main/java/com/geeksville/mesh/MyNodeInfo.kt

@@ -1,12 +1,20 @@
 package com.geeksville.mesh
 
-import android.os.Parcel
 import android.os.Parcelable
-import kotlinx.serialization.Serializable
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import kotlinx.parcelize.Parcelize
+
+/**
+ * Room [Entity] and [PrimaryKey] annotations and imports can be removed when only using the API.
+ * For details check the AIDL interface in [com.geeksville.mesh.IMeshService]
+ */
 
 // MyNodeInfo sent via special protobuf from radio
-@Serializable
+@Parcelize
+@Entity(tableName = "MyNodeInfo")
 data class MyNodeInfo(
+    @PrimaryKey(autoGenerate = false)
     val myNodeNum: Int,
     val hasGPS: Boolean,
     val model: String?,
@@ -23,52 +31,4 @@ data class MyNodeInfo(
 ) : Parcelable {
     /** A human readable description of the software/hardware version */
     val firmwareString: String get() = "$model $firmwareVersion"
-
-    constructor(parcel: Parcel) : this(
-        parcel.readInt(),
-        parcel.readByte() != 0.toByte(),
-        parcel.readString(),
-        parcel.readString(),
-        parcel.readByte() != 0.toByte(),
-        parcel.readByte() != 0.toByte(),
-        parcel.readLong(),
-        parcel.readInt(),
-        parcel.readInt(),
-        parcel.readInt(),
-        parcel.readByte() != 0.toByte(),
-        parcel.readFloat(),
-        parcel.readFloat()
-        )
-
-    override fun writeToParcel(parcel: Parcel, flags: Int) {
-        parcel.writeInt(myNodeNum)
-        parcel.writeByte(if (hasGPS) 1 else 0)
-        parcel.writeString(model)
-        parcel.writeString(firmwareVersion)
-        parcel.writeByte(if (couldUpdate) 1 else 0)
-        parcel.writeByte(if (shouldUpdate) 1 else 0)
-        parcel.writeLong(currentPacketId)
-        parcel.writeInt(messageTimeoutMsec)
-        parcel.writeInt(minAppVersion)
-        parcel.writeInt(maxChannels)
-        parcel.writeByte(if (hasWifi) 1 else 0)
-        parcel.writeFloat(channelUtilization)
-        parcel.writeFloat(airUtilTx)
-    }
-
-    override fun describeContents(): Int {
-        return 0
-    }
-
-    companion object CREATOR : Parcelable.Creator<MyNodeInfo> {
-        override fun createFromParcel(parcel: Parcel): MyNodeInfo {
-            return MyNodeInfo(parcel)
-        }
-
-        override fun newArray(size: Int): Array<MyNodeInfo?> {
-            return arrayOfNulls(size)
-        }
-    }
-
-
-}
+}