Add calendar parser (#20)

core/data/src/main/kotlin/xyz/ksharma/krail/data/gtfs_static/parser/CalendarParser.kt

@@ -0,0 +1,58 @@
+package xyz.ksharma.krail.data.gtfs_static.parser
+
+import timber.log.Timber
+import xyz.ksharma.krail.model.gtfs_static.Calendar
+import java.io.BufferedReader
+import java.io.FileReader
+import java.io.IOException
+import java.nio.file.Path
+
+object CalendarParser {
+
+    internal fun Path.parseCalendar(): List<Calendar> {
+        val calendarList = mutableListOf<Calendar>()
+
+        try {
+            BufferedReader(FileReader(this.toString())).use { reader ->
+                val headersList = reader.readLine().split(",").trimQuotes()
+                // todo use headers instead of hard code later.
+                //Log.d(TAG, "headersList: $headersList")
+
+                while (true) {
+                    val line = reader.readLine() ?: break
+                    val fieldsList = line.split(",").trimQuotes()
+
+                    calendarList.add(
+                        Calendar(
+                            serviceId = fieldsList[0],
+                            monday = fieldsList[1],
+                            tuesday = fieldsList[2],
+                            wednesday = fieldsList[3],
+                            thursday = fieldsList[4],
+                            friday = fieldsList[5],
+                            saturday =  fieldsList[6],
+                            sunday = fieldsList[7],
+                            startDate = fieldsList[8],
+                            endDate = fieldsList[9],
+                        )
+                    )
+                }
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+            Timber.e(e, "parseCalendar: ")
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+            Timber.e(e, "parseCalendar: ")
+        }
+
+        return calendarList
+    }
+
+    private fun Int.toWheelchairBoarding() = when (this) {
+        0 -> xyz.ksharma.krail.model.gtfs_realtime.proto.Stop.WheelchairBoarding.UNKNOWN
+        1 -> xyz.ksharma.krail.model.gtfs_realtime.proto.Stop.WheelchairBoarding.AVAILABLE
+        2 -> xyz.ksharma.krail.model.gtfs_realtime.proto.Stop.WheelchairBoarding.NOT_AVAILABLE
+        else -> null
+    }
+}

core/data/src/main/kotlin/xyz/ksharma/krail/data/repository/SydneyTrainsRepositoryImpl.kt

@@ -7,11 +7,7 @@ import kotlinx.coroutines.withContext
 import okhttp3.Response
 import timber.log.Timber
 import xyz.ksharma.krail.data.cacheZipResponse
-import xyz.ksharma.krail.data.gtfs_static.parser.OccupancyParser.parseOccupancy
-import xyz.ksharma.krail.data.gtfs_static.parser.RouteParser.parseRoutes
-import xyz.ksharma.krail.data.gtfs_static.parser.StopTimesParser.parseStopTimes
-import xyz.ksharma.krail.data.gtfs_static.parser.StopsParser.parseStops
-import xyz.ksharma.krail.data.gtfs_static.parser.TripParser.parseTrips
+import xyz.ksharma.krail.data.gtfs_static.parser.CalendarParser.parseCalendar
 import xyz.ksharma.krail.di.AppDispatchers
 import xyz.ksharma.krail.di.Dispatcher
 import xyz.ksharma.krail.model.sydneytrains.GTFSFeedFileNames
@@ -38,7 +34,9 @@ class SydneyTrainsRepositoryImpl @Inject constructor(
         //Timber.d("stopTimesList: ${stopTimesList.size}") Huge data do not log.
         //val routesList = context.toPath(GTFSFeedFileNames.ROUTES.fileName).parseRoutes()
 //        Timber.d("routesList: $routesList")
-        val occupancyList = context.toPath(GTFSFeedFileNames.OCCUPANCIES.fileName).parseOccupancy()
-        Timber.d("occupancyList: ${occupancyList.size}")
+        //val occupancyList = context.toPath(GTFSFeedFileNames.OCCUPANCIES.fileName).parseOccupancy()
+        //Timber.d("occupancyList: ${occupancyList.size}")
+        val calendarList = context.toPath(GTFSFeedFileNames.CALENDAR.fileName).parseCalendar()
+        Timber.d("calendarList: ${calendarList}")
     }
 }