Bimba.git

ref: a4d42896f5a3c0087b0fd129e8a304cdc5585637

app/src/main/java/xyz/apiote/bimba/czwek/search/ResultsActivity.kt


  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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
// SPDX-FileCopyrightText: Adam Evyčędo
//
// SPDX-License-Identifier: GPL-3.0-or-later

package xyz.apiote.bimba.czwek.search

import android.content.Context
import android.location.Location
import android.location.LocationListener
import android.location.LocationManager
import android.os.Build
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.util.Log
import android.view.View
import android.view.ViewGroup.MarginLayoutParams
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.content.res.AppCompatResources
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.updateLayoutParams
import androidx.core.view.updatePadding
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.Runnable
import kotlinx.coroutines.launch
import xyz.apiote.bimba.czwek.R
import xyz.apiote.bimba.czwek.api.Error
import xyz.apiote.bimba.czwek.databinding.ActivityResultsBinding
import xyz.apiote.bimba.czwek.repo.OfflineRepository
import xyz.apiote.bimba.czwek.repo.OnlineRepository
import xyz.apiote.bimba.czwek.repo.Position
import xyz.apiote.bimba.czwek.repo.Queryable
import xyz.apiote.bimba.czwek.repo.TrafficResponseException
import xyz.apiote.bimba.czwek.settings.feeds.FeedsSettings

class ResultsActivity : AppCompatActivity(), LocationListener {
	enum class Mode {
		MODE_LOCATION, MODE_SEARCH, MODE_POSITION
	}

	private var _binding: ActivityResultsBinding? = null
	private val binding get() = _binding!!

	private lateinit var adapter: BimbaResultsAdapter

	private val handler = Handler(Looper.getMainLooper())
	private var runnable = Runnable {}

	override fun onCreate(savedInstanceState: Bundle?) {
		enableEdgeToEdge()
		super.onCreate(savedInstanceState)
		_binding = ActivityResultsBinding.inflate(layoutInflater)
		setContentView(binding.root)

		ViewCompat.setOnApplyWindowInsetsListener(binding.resultsRecycler) { v, windowInsets ->

			windowInsets.displayCutout?.safeInsetLeft?.let {
				v.updateLayoutParams<MarginLayoutParams> {
					leftMargin = it
				}
			}
			val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
			v.updatePadding(right = insets.right, left = insets.left)
			windowInsets
		}
		ViewCompat.setOnApplyWindowInsetsListener(binding.topAppBar) { v, windowInsets ->
			val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
			v.updatePadding(right = insets.right, left = insets.left)
			windowInsets
		}

		binding.resultsRecycler.layoutManager = LinearLayoutManager(this)
		adapter = BimbaResultsAdapter(layoutInflater, this, listOf())
		binding.resultsRecycler.adapter = adapter

		when (getMode()) {
			Mode.MODE_LOCATION -> {
				supportActionBar?.title = getString(R.string.stops_nearby)
				locate()
			}

			Mode.MODE_POSITION -> {
				val query = intent.extras?.getString("query")
				val lat = intent.extras?.getDouble("lat")
				val lon = intent.extras?.getDouble("lon")
				supportActionBar?.title = getString(R.string.stops_near_code, query)
				getQueryablesByLocation(Position(lat!!, lon!!), this)
			}

			Mode.MODE_SEARCH -> {
				val query = intent.extras?.getString("query")!!
				supportActionBar?.title = getString(R.string.results_for, query)
				getQueryablesByQuery(query, this)
			}
		}
	}

	private fun getMode(): Mode {
		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
			intent.extras!!.getSerializable("mode", Mode::class.java)!!
		} else {
			@Suppress("DEPRECATION")
			intent.extras!!.get("mode") as Mode
		}
	}

	private fun locate() {
		try {
			val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
			locationManager.requestLocationUpdates(
				LocationManager.GPS_PROVIDER, 1000 * 60 * 10, 100f, this
			)
			handler.removeCallbacks(runnable)
			runnable = Runnable {
				showError(Error(0, R.string.error_gps, R.drawable.error_gps))
			}
			handler.postDelayed(runnable, 60 * 1000)
			locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER)
				?.let { onLocationChanged(it) }
		} catch (_: SecurityException) {
			// this won’t happen because we don’t start this activity without location permission
		}
	}

	override fun onLocationChanged(location: Location) {
		handler.removeCallbacks(runnable)
		getQueryablesByLocation(Position(location.latitude, location.longitude), this)
	}

	override fun onResume() {
		super.onResume()
		if (getMode() == Mode.MODE_LOCATION) {
			locate()
		}
	}

	override fun onPause() {
		super.onPause()
		val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
		locationManager.removeUpdates(this)
		handler.removeCallbacks(runnable)
	}

	override fun onDestroy() {
		super.onDestroy()
		val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
		locationManager.removeUpdates(this)
		handler.removeCallbacks(runnable)
	}

	private suspend fun getFeeds() {
		if (adapter.feeds.isNullOrEmpty()) {
			adapter.feeds = OfflineRepository().getFeeds(this)
		}
		if (adapter.feedsSettings == null) {
			adapter.feedsSettings = FeedsSettings.load(this)
		}
	}

	private fun getQueryablesByQuery(query: String, context: Context) {
		MainScope().launch {
			try {
				val repository = OnlineRepository()
				val result = repository.queryQueryables(query, context)
				getFeeds()
				updateItems(result)
			} catch (e: TrafficResponseException) {
				Log.w("Suggestion", "$e")
				showError(e.error)
			}
		}
	}

	private fun getQueryablesByLocation(position: Position, context: Context) {
		MainScope().launch {
			try {
				val repository = OnlineRepository()
				val result = repository.locateQueryables(position, context)
				getFeeds()
				updateItems(result)
			} catch (e: TrafficResponseException) {
				Log.w("Suggestion", "$e")
				showError(e.error)
			}
		}
	}

	private fun showError(error: Error) {
		binding.resultsProgress.visibility = View.GONE
		binding.resultsRecycler.visibility = View.GONE
		binding.errorImage.visibility = View.VISIBLE
		binding.errorText.visibility = View.VISIBLE

		binding.errorText.text = getString(error.stringResource)
		binding.errorImage.setImageDrawable(AppCompatResources.getDrawable(this, error.imageResource))
	}

	private fun updateItems(queryables: List<Queryable>?) {
		binding.resultsProgress.visibility = View.GONE
		adapter.update(queryables)
		if (queryables.isNullOrEmpty()) {
			binding.errorImage.visibility = View.VISIBLE
			binding.errorText.visibility = View.VISIBLE
			binding.resultsRecycler.visibility = View.GONE

			binding.errorText.text = getString(R.string.error_404)
			binding.errorImage.setImageDrawable(
				AppCompatResources.getDrawable(
					this,
					R.drawable.error_search
				)
			)
		} else {
			if (queryables.size == 1 && getMode() == Mode.MODE_SEARCH) {
				adapter.click(0)
			}
			binding.resultsOverlay.visibility = View.GONE
			binding.errorImage.visibility = View.GONE
			binding.errorText.visibility = View.GONE
			binding.resultsRecycler.visibility = View.VISIBLE
		}
	}
}