Updated on 2026-08-14

features/promo-banners/impl/src/main/kotlin/com/tangem/features/promobanners/impl/campaigns/deeplink/DefaultCampaignsDeepLinkHandler.kt

@@ -0,0 +1,37 @@
+package com.tangem.features.promobanners.impl.campaigns.deeplink
+
+import com.tangem.common.routing.deeplink.DeeplinkConst
+import com.tangem.features.promobanners.api.deeplink.CampaignsDeepLinkHandler
+import com.tangem.features.promobanners.api.toggles.PromoBannersFeatureToggles
+import com.tangem.features.promobanners.impl.campaigns.service.CampaignsService
+import com.tangem.utils.logging.TangemLogger
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+
+/**
+ * Handles the campaigns deeplink (`tangem://campaigns?campaignId=1&lang=ru`): extracts the `campaignId` and
+ * pushes it to the promo-campaigns bus. The always-alive [com.tangem.features.promobanners.api.swapcashback
+ * .SwapCashbackCampaignComponent] listens to the bus, maps the id to a campaign type, resolves the campaign
+ * state and shows the right sheet over the current screen.
+ */
+internal class DefaultCampaignsDeepLinkHandler @AssistedInject constructor(
+    @Assisted private val queryParams: Map<String, String>,
+    campaignsService: CampaignsService,
+    private val promoBannersFeatureToggles: PromoBannersFeatureToggles,
+) : CampaignsDeepLinkHandler {
+
+    init {
+        if (promoBannersFeatureToggles.isCampaignsToggleEnabled) {
+            val campaignId = queryParams[DeeplinkConst.CAMPAIGN_ID_KEY].orEmpty()
+            campaignsService.show(campaignId)
+        } else {
+            TangemLogger.i("Campaigns feature is disabled")
+        }
+    }
+
+    @AssistedFactory
+    interface Factory : CampaignsDeepLinkHandler.Factory {
+        override fun create(queryParams: Map<String, String>): DefaultCampaignsDeepLinkHandler
+    }
+}

features/promo-banners/impl/src/main/kotlin/com/tangem/features/promobanners/impl/campaigns/di/CampaignsModule.kt

@@ -2,10 +2,14 @@ package com.tangem.features.promobanners.impl.campaigns.di
 
 import com.tangem.core.decompose.di.ModelComponent
 import com.tangem.core.decompose.model.Model
+import com.tangem.features.promobanners.api.deeplink.CampaignsDeepLinkHandler
 import com.tangem.features.promobanners.api.swapcashback.CampaignsComponent
 import com.tangem.features.promobanners.impl.campaigns.component.DefaultCampaignsComponent
+import com.tangem.features.promobanners.impl.campaigns.deeplink.DefaultCampaignsDeepLinkHandler
 import com.tangem.features.promobanners.impl.campaigns.model.ActivateCampaignsModel
 import com.tangem.features.promobanners.impl.campaigns.model.CampaignsModel
+import com.tangem.features.promobanners.impl.campaigns.service.CampaignsService
+import com.tangem.features.promobanners.impl.campaigns.service.DefaultCampaignsService
 import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn
@@ -21,6 +25,16 @@ internal interface CampaignsModule {
     @Binds
     @Singleton
     fun bindCampaignsComponentFactory(factory: DefaultCampaignsComponent.Factory): CampaignsComponent.Factory
+
+    @Binds
+    @Singleton
+    fun bindCampaignsDeepLinkHandlerFactory(
+        factory: DefaultCampaignsDeepLinkHandler.Factory,
+    ): CampaignsDeepLinkHandler.Factory
+
+    @Binds
+    @Singleton
+    fun bindCampaignsService(service: DefaultCampaignsService): CampaignsService
 }
 
 @Module

features/promo-banners/impl/src/main/kotlin/com/tangem/features/promobanners/impl/campaigns/model/CampaignsModel.kt

@@ -5,24 +5,28 @@ import com.arkivanov.decompose.router.slot.activate
 import com.arkivanov.decompose.router.slot.dismiss
 import com.tangem.core.decompose.di.ModelScoped
 import com.tangem.core.decompose.model.Model
+import com.tangem.features.promobanners.impl.campaigns.converters.CampaignIdConverter
 import com.tangem.features.promobanners.impl.campaigns.entity.CampaignsBottomSheetConfig
 import com.tangem.features.promobanners.impl.campaigns.entity.CampaignType
+import com.tangem.features.promobanners.impl.campaigns.service.CampaignsService
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import javax.inject.Inject
 
 @ModelScoped
 internal class CampaignsModel @Inject constructor(
     override val dispatchers: CoroutineDispatcherProvider,
-    // private val campaignIdConverter: CampaignIdConverter,
-    // campaignsService: CampaignsService,
+    private val campaignIdConverter: CampaignIdConverter,
+    campaignsService: CampaignsService,
 ) : Model() {
 
     val bottomSheetNavigation: SlotNavigation<CampaignsBottomSheetConfig> = SlotNavigation()
 
     init {
-        //   campaignsService.campaignFlow
-        //       .onEach { campaignId -> resolveStartNavigation(campaignIdConverter.convert(campaignId)) }
-        //       .launchIn(modelScope)
+        campaignsService.campaignFlow
+            .onEach { campaignId -> resolveStartNavigation(campaignIdConverter.convert(campaignId)) }
+            .launchIn(modelScope)
     }
 
     @Suppress("UnusedPrivateMember")

features/promo-banners/impl/src/main/kotlin/com/tangem/features/promobanners/impl/campaigns/service/CampaignsService.kt

@@ -0,0 +1,17 @@
+package com.tangem.features.promobanners.impl.campaigns.service
+
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * App-wide bus that decouples the promo-campaigns deeplink handler from the UI that shows the campaign
+ * bottom sheet. A producer (deeplink handler) calls [show]; the always-alive campaign component listens
+ * to [campaignFlow] and activates the appropriate sheet over the current screen.
+ */
+internal interface CampaignsService {
+
+    /** Emits the campaignId requested via [show]. */
+    val campaignFlow: Flow<String>
+
+    /** Requests showing the campaign identified by [campaignId]. */
+    fun show(campaignId: String)
+}

features/promo-banners/impl/src/main/kotlin/com/tangem/features/promobanners/impl/campaigns/service/DefaultCampaignsService.kt

@@ -0,0 +1,18 @@
+package com.tangem.features.promobanners.impl.campaigns.service
+
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.receiveAsFlow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+internal class DefaultCampaignsService @Inject constructor() : CampaignsService {
+
+    private val _campaignFlow: Channel<String> = Channel(Channel.BUFFERED)
+    override val campaignFlow: Flow<String> = _campaignFlow.receiveAsFlow()
+
+    override fun show(campaignId: String) {
+        _campaignFlow.trySend(campaignId)
+    }
+}