First working sync (with hardcoded credentials and no concurrent modification checks)

app/src/main/java/it/danieleverducci/lunatracker/entities/Logbook.kt

@@ -1,42 +1,5 @@
 package it.danieleverducci.lunatracker.entities
 
-import android.content.Context
-import android.util.Log
-import org.json.JSONArray
-import java.io.File
-import java.io.FileInputStream
-import java.io.FileNotFoundException
-
 class Logbook {
-    companion object {
-        val TAG = "Logbook"
-
-        fun load(context: Context): Logbook {
-            val logbook = Logbook()
-            val file = File(context.getFilesDir(), "data.json")
-            try {
-                val json = FileInputStream(file).bufferedReader().use { it.readText() }
-                val ja = JSONArray(json)
-                for (i in 0 until ja.length()) {
-                    val jo = ja.getJSONObject(i)
-                    val evt = LunaEvent.fromJson(jo)
-                    logbook.logs.add(evt)
-                }
-            } catch (e: FileNotFoundException) {
-                Log.d(TAG, "No logbook file found")
-            }
-            return logbook
-        }
-    }
-
     val logs = ArrayList<LunaEvent>()
-
-    fun save(context: Context) {
-        val file = File(context.getFilesDir(), "data.json")
-        val ja = JSONArray()
-        for (l in logs) {
-            ja.put(l.toJson())
-        }
-        file.writeText(ja.toString())
-    }
 }