Updated on 2026-08-14

2023-12-15 17:28:03 +03:00 · 2023-12-15 17:28:03 +03:00 · b19deae346
commit b19deae346
parent 2d34e8cb1f
14 changed files with 274 additions and 3 deletions
--- a/core/datasource/src/main/java/com/tangem/datasource/api/express/models/response/ExchangeProvider.kt
+++ b/core/datasource/src/main/java/com/tangem/datasource/api/express/models/response/ExchangeProvider.kt
@ -17,6 +17,12 @@ data class ExchangeProvider(

    @Json(name = "imageSmall")
    val imageSmallUrl: String,
+
+    @Json(name = "termsOfUse")
+    val termsOfUse: String?,
+
+    @Json(name = "privacyPolicy")
+    val privacyPolicy: String?,
 )

 enum class ExchangeProviderType {
--- a/core/res/src/main/res/values-ru/strings.xml
+++ b/core/res/src/main/res/values-ru/strings.xml
@ -203,11 +203,17 @@
    <string name="express_exchange_notification_verification_title">Провайдер запрашивает прохождение верификации</string>
    <string name="express_exchange_token_list_subtitle">Список токенов в вашем кошельке</string>
    <string name="express_fetch_best_rates">Получение наилучших курсов...</string>
+    <string name="express_floating_rate">Плавающая ставка</string>
+    <string name="express_go_to_provider">К провайдеру</string>
+    <string name="express_legal_one_placeholder">Пользуясь сервисом вы соглашаетесь с %s</string>
+    <string name="express_legal_two_placeholders">Пользуясь сервисом вы соглашаетесь с %1$s и %2$s</string>
+    <string name="express_privacy_policy">Политикой конфиденциальности</string>
    <string name="express_provider">Провайдер</string>
    <string name="express_provider_best_rate">Лучший курс</string>
    <string name="express_provider_min_amount">Доступно с %s</string>
    <string name="express_provider_not_available">Недоступно для этой пары</string>
    <string name="express_provider_permission_needed">Требуется разрешение</string>
+    <string name="express_terms_of_use">Условиями использования</string>
    <string name="feedback_data_collection_message">Информация ниже не является обязательной. Вы можете стереть её, если хотите.</string>
    <string name="feedback_preface_rate_negative">Расскажите, каких функций вам не хватает, и мы постараемся вам помочь.</string>
    <string name="feedback_preface_scan_failed">Скажите, пожалуйста, какая у вас карта?</string>
--- a/core/res/src/main/res/values/strings.xml
+++ b/core/res/src/main/res/values/strings.xml
@ -224,11 +224,15 @@
    <string name="express_fetch_best_rates">Fetching best rates...</string>
    <string name="express_floating_rate">Floating rate</string>
    <string name="express_go_to_provider">Go to provider</string>
+    <string name="express_legal_one_placeholder">By using swap functionality, you agree with provider’s %s</string>
+    <string name="express_legal_two_placeholders">By using swap functionality, you agree with provider’s %1$s and %2$s</string>
+    <string name="express_privacy_policy">Privacy Policy</string>
    <string name="express_provider">Provider</string>
    <string name="express_provider_best_rate">Best rate</string>
    <string name="express_provider_min_amount">Available from %s</string>
    <string name="express_provider_not_available">Unavailable for this pair</string>
    <string name="express_provider_permission_needed">Permission Required</string>
+    <string name="express_terms_of_use">Terms of Use</string>
    <string name="feedback_data_collection_message">The following information is optional. You can erase it if you don\'t want to share it.</string>
    <string name="feedback_preface_rate_negative">Tell us what functions you are missing, and we will try to help you.</string>
    <string name="feedback_preface_scan_failed">Please tell us what card do you have</string>
--- a/features/swap/data/src/main/java/com/tangem/feature/swap/converters/SwapPairInfoConverter.kt
+++ b/features/swap/data/src/main/java/com/tangem/feature/swap/converters/SwapPairInfoConverter.kt
@ -43,6 +43,8 @@ class SwapPairInfoConverter : Converter<SwapPairsWithProviders, PairsWithProvide
            name = exchangeProvider.name,
            type = convertExchangeType(exchangeProvider.type),
            imageLarge = exchangeProvider.imageLargeUrl,
+            termsOfUse = exchangeProvider.termsOfUse,
+            privacyPolicy = exchangeProvider.privacyPolicy,
        )
    }

@ -57,6 +59,8 @@ class SwapPairInfoConverter : Converter<SwapPairsWithProviders, PairsWithProvide
            name = additionalProvider.name,
            type = convertExchangeType(additionalProvider.type),
            imageLarge = additionalProvider.imageLargeUrl,
+            termsOfUse = additionalProvider.termsOfUse,
+            privacyPolicy = additionalProvider.privacyPolicy,
        )
    }

--- a/features/swap/domain/models/src/main/java/com/tangem/feature/swap/domain/models/domain/SwapPairLeast.kt
+++ b/features/swap/domain/models/src/main/java/com/tangem/feature/swap/domain/models/domain/SwapPairLeast.kt
@ -32,6 +32,8 @@ data class SwapProvider(
    val name: String,
    val type: ExchangeProviderType,
    val imageLarge: String,
+    val termsOfUse: String?,
+    val privacyPolicy: String?,
 )

 enum class ExchangeProviderType {
--- a/features/swap/presentation/build.gradle.kts
+++ b/features/swap/presentation/build.gradle.kts
@ -54,6 +54,8 @@ dependencies {

    /** Other libraries */
    implementation(deps.compose.shimmer)
+    implementation(deps.compose.accompanist.webView)
+    implementation(deps.compose.accompanist.systemUiController)
    implementation(deps.kotlin.serialization)
    implementation(deps.kotlin.immutable.collections)
    implementation(deps.timber)
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/SwapStateHolder.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/SwapStateHolder.kt
@ -30,6 +30,7 @@ data class SwapStateHolder(
    val bottomSheetConfig: TangemBottomSheetConfig? = null,

    val swapButton: SwapButton,
+    val tosState: TosState? = null,

    val onRefresh: () -> Unit,
    val onBackClicked: () -> Unit,
@ -106,6 +107,17 @@ sealed interface TransactionCardType {
    ) : TransactionCardType
 }

+data class TosState(
+    val tosLink: LegalState?,
+    val policyLink: LegalState?,
+)
+
+data class LegalState(
+    val title: TextReference,
+    val link: String,
+    val onClick: (String) -> Unit,
+)
+
 sealed interface SwapWarning {
    data class PermissionNeeded(val notificationConfig: NotificationConfig) : SwapWarning
    object InsufficientFunds : SwapWarning
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/UiActions.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/UiActions.kt
@ -21,4 +21,6 @@ data class UiActions(
    val onProviderClick: (String) -> Unit,
    val onProviderSelect: (String) -> Unit,
    val onBuyClick: () -> Unit,
+    val onPolicyClick: (String) -> Unit,
+    val onTosClick: (String) -> Unit,
 )
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/states/WebViewBottomSheetConfig.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/models/states/WebViewBottomSheetConfig.kt
@ -0,0 +1,5 @@
+package com.tangem.feature.swap.models.states
+
+import com.tangem.core.ui.components.bottomsheets.TangemBottomSheetConfigContent
+
+internal data class WebViewBottomSheetConfig(val url: String) : TangemBottomSheetConfigContent
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt
@ -271,6 +271,26 @@ internal class StateBuilder(
                selectionType = ProviderState.SelectionType.CLICK,
                onProviderClick = actions.onProviderClick,
            ),
+            tosState = createTosState(swapProvider),
+        )
+    }
+
+    private fun createTosState(swapProvider: SwapProvider): TosState {
+        return TosState(
+            tosLink = swapProvider.termsOfUse?.let {
+                LegalState(
+                    title = resourceReference(R.string.express_terms_of_use),
+                    link = it,
+                    onClick = actions.onTosClick,
+                )
+            },
+            policyLink = swapProvider.privacyPolicy?.let {
+                LegalState(
+                    title = resourceReference(R.string.express_privacy_policy),
+                    link = it,
+                    onClick = actions.onPolicyClick,
+                )
+            },
        )
    }

@ -422,6 +442,7 @@ internal class StateBuilder(
                ChangeCardsButtonState.DISABLED
            },
            providerState = providerState,
+            tosState = createTosState(swapProvider),
        )
    }

@ -804,6 +825,17 @@ internal class StateBuilder(
        }
    }

+    fun showWebViewBottomSheet(uiState: SwapStateHolder, url: String, onDismiss: () -> Unit): SwapStateHolder {
+        val config = WebViewBottomSheetConfig(url = url)
+        return uiState.copy(
+            bottomSheetConfig = TangemBottomSheetConfig(
+                isShow = true,
+                onDismissRequest = onDismiss,
+                content = config,
+            ),
+        )
+    }
+
    fun showPermissionBottomSheet(uiState: SwapStateHolder, onDismiss: () -> Unit): SwapStateHolder {
        val permissionState = uiState.permissionState
        if (permissionState is SwapPermissionState.ReadyForRequest) {
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreen.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreen.kt
@ -3,8 +3,7 @@ package com.tangem.feature.swap.ui
 import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.systemBarsPadding
-import androidx.compose.material.*
-import androidx.compose.material3.*
+import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@ -14,6 +13,7 @@ import com.tangem.feature.swap.models.SwapStateHolder
 import com.tangem.feature.swap.models.states.ChooseFeeBottomSheetConfig
 import com.tangem.feature.swap.models.states.ChooseProviderBottomSheetConfig
 import com.tangem.feature.swap.models.states.GivePermissionBottomSheetConfig
+import com.tangem.feature.swap.models.states.WebViewBottomSheetConfig
 import com.tangem.feature.swap.presentation.R

@Composable
@ -48,6 +48,9 @@ internal fun SwapScreen(stateHolder: SwapStateHolder) {
                is ChooseFeeBottomSheetConfig -> {
                    ChooseFeeBottomSheet(config = config)
                }
+                is WebViewBottomSheetConfig -> {
+                    WebViewBottomSheet(config = config)
+                }
            }
        }
    }
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreenContent.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/SwapScreenContent.kt
@ -4,6 +4,7 @@ import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.text.ClickableText
 import androidx.compose.material.*
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@ -11,8 +12,12 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.constraintlayout.compose.ConstraintLayout
 import com.tangem.common.Strings.STARS
@ -72,6 +77,15 @@ internal fun SwapScreenContent(state: SwapStateHolder, modifier: Modifier = Modi
            }
        }

+        state.tosState?.let {
+            ProviderTos(
+                tosState = it,
+                modifier = Modifier
+                    .align(Alignment.BottomCenter)
+                    .padding(bottom = TangemTheme.dimens.spacing16),
+            )
+        }
+
        AnimatedVisibility(
            visible = keyboard is Keyboard.Opened,
            modifier = Modifier
@ -185,6 +199,84 @@ private fun TransactionCardData(
    }
 }

+@Composable
+private fun ProviderTos(tosState: TosState, modifier: Modifier = Modifier) {
+    val tos = tosState.tosLink
+    val policy = tosState.policyLink
+    if (tos == null && policy == null) return
+
+    val (annotatedString, click) = getAnnotatedStringForLegalsWithClick(tos, policy)
+
+    ClickableText(
+        text = annotatedString,
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(horizontal = TangemTheme.dimens.spacing54),
+        style = TangemTheme.typography.caption2.copy(textAlign = TextAlign.Center),
+        onClick = click,
+    )
+}
+
+@Composable
+private fun getAnnotatedStringForLegalsWithClick(
+    tos: LegalState?,
+    policy: LegalState?,
+): Pair<AnnotatedString, (Int) -> Unit> {
+    return if (tos != null && policy != null) {
+        val tosTitle = tos.title.resolveReference()
+        val policyTitle = policy.title.resolveReference()
+        val fullString = stringResource(id = R.string.express_legal_two_placeholders, tosTitle, policyTitle)
+        val tosIndex = fullString.indexOf(tosTitle)
+        val policyIndex = fullString.indexOf(policyTitle)
+        val string = buildAnnotatedString {
+            withStyle(SpanStyle(color = TangemTheme.colors.text.tertiary)) {
+                append(fullString.substring(0, tosIndex))
+            }
+            withStyle(SpanStyle(color = TangemTheme.colors.text.accent)) {
+                append(fullString.substring(tosIndex, tosIndex + tosTitle.length))
+            }
+            withStyle(SpanStyle(color = TangemTheme.colors.text.tertiary)) {
+                append(fullString.substring(tosIndex + tosTitle.length, policyIndex))
+            }
+            withStyle(SpanStyle(color = TangemTheme.colors.text.accent)) {
+                append(fullString.substring(policyIndex, policyIndex + policyTitle.length))
+            }
+        }
+        val click = { i: Int ->
+            val tosStyle = requireNotNull(string.spanStyles.getOrNull(1))
+            if (i in tosStyle.start..tosStyle.end) {
+                tos.onClick(tos.link)
+            }
+            val policyStyle = requireNotNull(string.spanStyles.lastOrNull())
+            if (i in policyStyle.start..policyStyle.end) {
+                policy.onClick(policy.link)
+            }
+        }
+        string to click
+    } else {
+        val legal = requireNotNull(tos ?: policy) { "tos or policy must not be null" }
+        val legalTitle = legal.title
+            .resolveReference()
+        val fullString = stringResource(id = R.string.express_legal_one_placeholder, legal)
+        val legalIndex = fullString.indexOf(legalTitle)
+        val string = buildAnnotatedString {
+            withStyle(SpanStyle(color = TangemTheme.colors.text.tertiary)) {
+                append(fullString.substring(0, legalIndex))
+            }
+            withStyle(SpanStyle(color = TangemTheme.colors.text.accent)) {
+                append(fullString.substring(legalIndex, legalIndex + legalTitle.length))
+            }
+        }
+        val click = { i: Int ->
+            val legalStyle = requireNotNull(string.spanStyles.lastOrNull())
+            if (i in legalStyle.start..legalStyle.end) {
+                legal.onClick(legal.link)
+            }
+        }
+        string to click
+    }
+}
+
@OptIn(ExperimentalMaterialApi::class)
@Composable
 private fun SwapButton(state: SwapStateHolder, modifier: Modifier = Modifier) {
@ -407,6 +499,18 @@ private val state = SwapStateHolder(
    permissionState = SwapPermissionState.InProgress,
    blockchainId = "POLYGON",
    providerState = ProviderState.Loading(),
+    tosState = TosState(
+        tosLink = LegalState(
+            title = stringReference("Tangem"),
+            link = "https://tangem.com",
+            onClick = {},
+        ),
+        policyLink = LegalState(
+            title = stringReference("Tangem"),
+            link = "https://tangem.com",
+            onClick = {},
+        ),
+    ),
 )

@Preview
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/WebViewBottomSheet.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/WebViewBottomSheet.kt
@ -0,0 +1,79 @@
+package com.tangem.feature.swap.ui
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalInspectionMode
+import androidx.compose.ui.tooling.preview.Preview
+import com.google.accompanist.web.WebView
+import com.google.accompanist.web.rememberWebViewState
+import com.tangem.core.ui.components.bottomsheets.TangemBottomSheet
+import com.tangem.core.ui.components.bottomsheets.TangemBottomSheetConfig
+import com.tangem.core.ui.res.TangemTheme
+import com.tangem.feature.swap.models.states.WebViewBottomSheetConfig
+
+@Composable
+fun WebViewBottomSheet(config: TangemBottomSheetConfig) {
+    TangemBottomSheet(
+        config = config,
+        contentColor = TangemTheme.colors.background.tertiary,
+    ) { content: WebViewBottomSheetConfig ->
+        WebViewBottomSheetContent(
+            WebViewBottomSheetConfig(url = content.url),
+        )
+    }
+}
+
+@Composable
+private fun WebViewBottomSheetContent(content: WebViewBottomSheetConfig) {
+    val state = rememberWebViewState(content.url)
+    val isInPreviewMode = LocalInspectionMode.current
+    Column(
+        modifier = Modifier
+            .fillMaxHeight()
+            .verticalScroll(rememberScrollState()),
+    ) {
+        WebView(
+            state = state,
+            modifier = Modifier
+                .background(TangemTheme.colors.background.secondary),
+            captureBackPresses = false,
+            onCreated = {
+                if (!isInPreviewMode) {
+                    it.settings.apply {
+                        javaScriptEnabled = false
+                        allowFileAccess = false
+                    }
+                }
+            },
+        )
+    }
+}
+
+@Preview
+@Composable
+private fun Preview_WebViewBottomSheetContent_InLightTheme() {
+    TangemTheme(isDark = false) {
+        WebViewBottomSheetContent(
+            content = WebViewBottomSheetConfig(
+                url = "https://tangem.com/en/",
+            ),
+        )
+    }
+}
+
+@Preview
+@Composable
+private fun Preview_WebViewBottomSheetContent_InDarkTheme() {
+    TangemTheme(isDark = true) {
+        WebViewBottomSheetContent(
+            content = WebViewBottomSheetConfig(
+                url = "https://tangem.com/en/",
+            ),
+        )
+    }
+}
--- a/features/swap/presentation/src/main/java/com/tangem/feature/swap/viewmodels/SwapViewModel.kt
+++ b/features/swap/presentation/src/main/java/com/tangem/feature/swap/viewmodels/SwapViewModel.kt
@ -22,8 +22,8 @@ import com.tangem.feature.swap.domain.models.ExpressException
 import com.tangem.feature.swap.domain.models.domain.PermissionOptions
 import com.tangem.feature.swap.domain.models.domain.SwapDataModel
 import com.tangem.feature.swap.domain.models.domain.SwapProvider
-import com.tangem.feature.swap.domain.models.ui.*
 import com.tangem.feature.swap.domain.models.formatToUIRepresentation
+import com.tangem.feature.swap.domain.models.ui.*
 import com.tangem.feature.swap.models.*
 import com.tangem.feature.swap.presentation.SwapFragment
 import com.tangem.feature.swap.router.SwapNavScreen
@ -845,6 +845,16 @@ internal class SwapViewModel @Inject constructor(
            onRetryClick = {
                startLoadingQuotesFromLastState()
            },
+            onPolicyClick = {
+                uiState = stateBuilder.showWebViewBottomSheet(uiState, it) {
+                    uiState = stateBuilder.dismissBottomSheet(uiState)
+                }
+            },
+            onTosClick = {
+                uiState = stateBuilder.showWebViewBottomSheet(uiState, it) {
+                    uiState = stateBuilder.dismissBottomSheet(uiState)
+                }
+            },
        )
    }