summaryrefslogtreecommitdiff
path: root/wallet/src/main/java/net/taler/wallet/withdraw/PromptWithdrawFragment.kt
blob: 56f56f712ac6ca18bb7fb5e7c5317c0161b939c4 (plain)
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
/*
 * This file is part of GNU Taler
 * (C) 2020 Taler Systems S.A.
 *
 * GNU Taler is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3, or (at your option) any later version.
 *
 * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

package net.taler.wallet.withdraw

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ArrayAdapter
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.lifecycleScope
import androidx.navigation.fragment.findNavController
import com.google.android.material.snackbar.Snackbar
import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
import kotlinx.coroutines.launch
import net.taler.common.Amount
import net.taler.common.EventObserver
import net.taler.common.fadeIn
import net.taler.common.fadeOut
import net.taler.wallet.MainViewModel
import net.taler.wallet.R
import net.taler.wallet.cleanExchange
import net.taler.wallet.databinding.FragmentPromptWithdrawBinding
import net.taler.wallet.exchanges.ExchangeItem
import net.taler.wallet.exchanges.SelectExchangeDialogFragment
import net.taler.wallet.withdraw.WithdrawStatus.Loading
import net.taler.wallet.withdraw.WithdrawStatus.ReceivedDetails
import net.taler.wallet.withdraw.WithdrawStatus.TosReviewRequired
import net.taler.wallet.withdraw.WithdrawStatus.Withdrawing
import net.taler.wallet.withdraw.WithdrawStatus.NeedsExchange

class PromptWithdrawFragment : Fragment() {

    private val model: MainViewModel by activityViewModels()
    private val withdrawManager by lazy { model.withdrawManager }
    private val transactionManager by lazy { model.transactionManager }

    private val selectExchangeDialog = SelectExchangeDialogFragment()

    private lateinit var ui: FragmentPromptWithdrawBinding

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?,
    ): View {
        ui = FragmentPromptWithdrawBinding.inflate(inflater, container, false)
        return ui.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        withdrawManager.withdrawStatus.observe(viewLifecycleOwner) {
            showWithdrawStatus(it)
        }

        selectExchangeDialog.exchangeSelection.observe(viewLifecycleOwner, EventObserver {
            onExchangeSelected(it)
        })
    }

    private fun showWithdrawStatus(status: WithdrawStatus?): Any = when (status) {
        null -> model.showProgressBar.value = false
        is Loading -> model.showProgressBar.value = true
        is NeedsExchange -> {
            model.showProgressBar.value = false
            if (selectExchangeDialog.dialog?.isShowing != true) {
                selectExchange()
            } else {}
        }
        is TosReviewRequired -> onTosReviewRequired(status)
        is ReceivedDetails -> onReceivedDetails(status)
        is Withdrawing -> model.showProgressBar.value = true
        is WithdrawStatus.ManualTransferRequired -> {
            model.showProgressBar.value = false
            findNavController().navigate(R.id.action_promptWithdraw_to_nav_exchange_manual_withdrawal_success)
        }
        is WithdrawStatus.Success -> {
            model.showProgressBar.value = false
            withdrawManager.withdrawStatus.value = null
            lifecycleScope.launch {
                // now select new transaction based on currency and ID
                if (transactionManager.selectTransaction(status.transactionId)) {
                    findNavController().navigate(R.id.action_promptWithdraw_to_nav_transactions_detail_withdrawal)
                } else {
                    findNavController().navigate(R.id.action_promptWithdraw_to_nav_main)
                }
                Snackbar.make(requireView(), R.string.withdraw_initiated, LENGTH_LONG).show()
            }
        }
        is WithdrawStatus.Error -> {
            model.showProgressBar.value = false
            findNavController().navigate(R.id.action_promptWithdraw_to_errorFragment)
        }
    }

    private fun onTosReviewRequired(s: TosReviewRequired) {
        model.showProgressBar.value = false
        if (s.showImmediately.getIfNotConsumed() == true) {
            findNavController().navigate(R.id.action_promptWithdraw_to_reviewExchangeTOS)
        } else {
            showContent(
                amountRaw = s.amountRaw,
                amountEffective = s.amountEffective,
                exchange = s.exchangeBaseUrl,
                uri = s.talerWithdrawUri,
                exchanges = s.possibleExchanges,
            )
            ui.confirmWithdrawButton.apply {
                text = getString(R.string.withdraw_button_tos)
                setOnClickListener {
                    findNavController().navigate(R.id.action_promptWithdraw_to_reviewExchangeTOS)
                }
                isEnabled = true
            }
        }
    }

    private fun onReceivedDetails(s: ReceivedDetails) {
        showContent(
            amountRaw = s.amountRaw,
            amountEffective = s.amountEffective,
            exchange = s.exchangeBaseUrl,
            uri = s.talerWithdrawUri,
            ageRestrictionOptions = s.ageRestrictionOptions,
            exchanges = s.possibleExchanges,
        )
        ui.confirmWithdrawButton.apply {
            text = getString(R.string.withdraw_button_confirm)
            setOnClickListener {
                it.fadeOut()
                ui.confirmProgressBar.fadeIn()
                val ageRestrict = (ui.ageSelector.selectedItem as String?)?.let { age ->
                    if (age == context.getString(R.string.withdraw_restrict_age_unrestricted)) null
                    else age.toIntOrNull()
                }
                withdrawManager.acceptWithdrawal(ageRestrict)
            }
            isEnabled = true
        }
    }

    private fun showContent(
        amountRaw: Amount,
        amountEffective: Amount,
        exchange: String,
        uri: String?,
        exchanges: List<ExchangeItem> = emptyList(),
        ageRestrictionOptions: List<Int>? = null,
    ) {
        model.showProgressBar.value = false
        ui.progressBar.fadeOut()

        ui.introView.fadeIn()
        ui.effectiveAmountView.text = amountEffective.toString()
        ui.effectiveAmountView.fadeIn()

        ui.chosenAmountLabel.fadeIn()
        ui.chosenAmountView.text = amountRaw.toString()
        ui.chosenAmountView.fadeIn()

        val fee = amountRaw - amountEffective
        if (!fee.isZero()) {
            ui.feeLabel.fadeIn()
            ui.feeView.text = getString(R.string.amount_negative, fee.toString())
            ui.feeView.fadeIn()
        }

        ui.exchangeIntroView.fadeIn()
        ui.withdrawExchangeUrl.text = cleanExchange(exchange)
        ui.withdrawExchangeUrl.fadeIn()

        // no Uri for manual withdrawals, no selection for single exchange
        if (uri != null && exchanges.size > 1) {
            ui.selectExchangeButton.fadeIn()
            ui.selectExchangeButton.setOnClickListener {
                selectExchange()
            }
        }

        if (ageRestrictionOptions != null) {
            ui.ageLabel.fadeIn()
            val context = requireContext()
            val items = listOf(context.getString(R.string.withdraw_restrict_age_unrestricted)) +
                    ageRestrictionOptions.map { it.toString() }
            ui.ageSelector.adapter = ArrayAdapter(context, R.layout.list_item_age, items)
            ui.ageSelector.fadeIn()
        }

        ui.withdrawCard.fadeIn()
    }

    private fun selectExchange() {
        val exchanges = when (val status = withdrawManager.withdrawStatus.value) {
            is ReceivedDetails -> status.possibleExchanges
            is NeedsExchange -> status.possibleExchanges
            is TosReviewRequired -> status.possibleExchanges
            else -> return
        }
        selectExchangeDialog.setExchanges(exchanges)
        selectExchangeDialog.show(parentFragmentManager, "SELECT_EXCHANGE")
    }

    private fun onExchangeSelected(exchange: ExchangeItem) {
        val status = withdrawManager.withdrawStatus.value
        val amount = when (status) {
            is ReceivedDetails -> status.amountRaw
            is NeedsExchange -> status.amount
            is TosReviewRequired -> status.amountRaw
            else -> return
        }
        val uri = when (status) {
            is ReceivedDetails -> status.talerWithdrawUri
            is NeedsExchange -> status.talerWithdrawUri
            is TosReviewRequired -> status.talerWithdrawUri
            else -> return
        }
        val exchanges = when (status) {
            is ReceivedDetails -> status.possibleExchanges
            is NeedsExchange -> status.possibleExchanges
            is TosReviewRequired -> status.possibleExchanges
            else -> return
        }

        withdrawManager.getWithdrawalDetails(
            exchangeBaseUrl = exchange.exchangeBaseUrl,
            amount = amount,
            showTosImmediately = false,
            uri = uri,
            possibleExchanges = exchanges,
        )
    }
}