Bimba.git

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147

// SPDX-FileCopyrightText: Adam Evyčędo
//
// SPDX-License-Identifier: GPL-3.0-or-later

package xyz.apiote.bimba.czwek.departures

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.net.Uri
import android.util.Log
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.launch
import xyz.apiote.bimba.czwek.api.Error
import xyz.apiote.bimba.czwek.api.mapHttpError
import xyz.apiote.bimba.czwek.repo.FeedInfo
import xyz.apiote.bimba.czwek.repo.OfflineRepository
import xyz.apiote.bimba.czwek.repo.OnlineRepository
import xyz.apiote.bimba.czwek.repo.QrLocation
import xyz.apiote.bimba.czwek.repo.StopDepartures
import xyz.apiote.bimba.czwek.repo.TrafficResponseException
import java.time.LocalDate

class DeparturesViewModel : ViewModel() {
	private val _departures = MutableLiveData<StopDepartures>()
	val departures: LiveData<StopDepartures> = _departures
	private val _error = MutableLiveData<Error>()
	val error: LiveData<Error> = _error
	var requestedItemsNumber = 12
	var allItemsRequested = false
	private var feed: FeedInfo? = null
	private lateinit var code: String

	fun getDepartures(context: Context, line: String?, date: LocalDate?) {
		MainScope().launch {
			try {
				if (feed == null) {
					feed = getFeed(context)
					code = getCode(context, feed!!)
				}

				val repository = OnlineRepository()
				val stopDepartures =
					repository.getDepartures(
						feed!!.id,
						code,
						line,
						date,
						context,
						requestedItemsNumber
					)
				stopDepartures?.let {
					if (stopDepartures.departures.isEmpty()) {  // TODO other error for empty than not-found
						val (string, image) = mapHttpError(404)
						throw TrafficResponseException(404, "", Error(404, string, image))
					}
					_departures.value = it
				}
			} catch (e: TrafficResponseException) {
				if (!departures.isInitialized) {
					_error.value = e.error
				}
				Log.w("Departures", "$e")
			}
		}
	}

	private suspend fun getFeed(context: Context): FeedInfo {
		val intent = (context as Activity).intent
		var feeds = OfflineRepository().getFeeds(context)
		if (feeds.isNullOrEmpty()) {
			feeds = OnlineRepository().getFeeds(context)
		}
		return when (intent.action) {
			Intent.ACTION_VIEW -> {
				val feed = feeds?.values?.find { it.qrHost == intent.data?.host }
				if (feed == null) {
					if (feeds?.values?.all { it.qrIn == QrLocation.UNKNOWN } == true) {
						return getFeedOld(intent.data?.host, feeds) ?: throw TrafficResponseException(41)
					} else {
						throw TrafficResponseException(41)
					}
				} else {
					return feed
				}
			}

			null -> {
				val feedID = intent.extras?.getString("feedID")
				feeds?.get(feedID) ?: throw TrafficResponseException(41)
			}

			else -> throw TrafficResponseException(41)
		}
	}

	// TODO [after removing FeedsResponseV1] remove this method
	private fun getFeedOld(host: String?, feeds: Map<String, FeedInfo?>): FeedInfo? {
		@Suppress("SpellCheckingInspection")
		return when (host) {
			"www.peka.poznan.pl" -> feeds["poznan_ztm"]
			"rj.metropoliaztm.pl" -> feeds["gzm_ztm"]
			else -> null
		}
	}

	private fun getCode(context: Context, feed: FeedInfo): String {
		val intent = (context as Activity).intent
		return when (intent.action) {
			Intent.ACTION_VIEW -> {
				when (feed.qrIn) {
					QrLocation.QUERY -> {
						intent.data?.getQueryParameter(feed.qrSelector)
					}

					QrLocation.PATH -> {
						feed.qrSelector.toRegex().find(intent.data?.path ?: "")?.value
					}

					QrLocation.UNKNOWN -> {
						getCodeOld(intent.data)
					}

					QrLocation.NONE -> {
						throw TrafficResponseException(41)
					}
				} ?: throw TrafficResponseException(41)
			}

			null -> intent?.extras?.getString("code") ?: throw TrafficResponseException(41)
			else -> throw TrafficResponseException(41)
		}
	}

	// TODO [after removing FeedsResponseV1] remove this method
	private fun getCodeOld(data: Uri?): String {
		@Suppress("SpellCheckingInspection")
		return when (data?.host) {
			"www.peka.poznan.pl" -> data.getQueryParameter("przystanek") ?: ""
			"rj.metropoliaztm.pl" -> data.lastPathSegment ?: ""
			else -> ""
		}
	}
}