Do not merge, to aid with review

app/apollo/apollo-octopus-public/src/main/graphql/com/hedvig/android/apollo/octopus/graphql/insurance/FragmentProductVariantFragment.graphql

@@ -1,5 +1,7 @@
 fragment ProductVariantFragment on ProductVariant {
   displayName
+  displayNameTier
+  displayNameTierLong
   typeOfContract
   partner
   perils {

app/app/build.gradle.kts

@@ -228,6 +228,8 @@ dependencies {
   implementation(projects.theme)
   implementation(projects.trackingCore)
   implementation(projects.trackingDatadog)
+  implementation(projects.featureChooseTier)
+  implementation(projects.dataChangetier)
 
   debugImplementation(libs.androidx.compose.uiTestManifest)
   debugImplementation(libs.androidx.compose.uiTooling)

app/app/src/main/kotlin/com/hedvig/android/app/di/ApplicationModule.kt

@@ -41,6 +41,7 @@ import com.hedvig.android.core.common.di.datastoreFileQualifier
 import com.hedvig.android.core.datastore.di.dataStoreModule
 import com.hedvig.android.core.demomode.di.demoModule
 import com.hedvig.android.core.fileupload.fileUploadModule
+import com.hedvig.android.data.changetier.di.dataChangeTierModule
 import com.hedvig.android.data.chat.di.dataChatModule
 import com.hedvig.android.data.claimflow.di.claimFlowDataModule
 import com.hedvig.android.data.conversations.di.dataConversationsModule
@@ -50,6 +51,7 @@ import com.hedvig.android.data.termination.di.terminationDataModule
 import com.hedvig.android.datadog.core.addDatadogConfiguration
 import com.hedvig.android.datadog.core.di.datadogModule
 import com.hedvig.android.datadog.demo.tracking.di.datadogDemoTrackingModule
+import com.hedvig.android.feature.change.tier.di.chooseTierModule
 import com.hedvig.android.feature.changeaddress.di.changeAddressModule
 import com.hedvig.android.feature.chat.di.chatModule
 import com.hedvig.android.feature.claim.details.di.claimDetailsModule
@@ -297,6 +299,7 @@ val applicationModule = module {
       authModule,
       buildConstantsModule,
       changeAddressModule,
+      chooseTierModule,
       chatModule,
       claimDetailsModule,
       claimFlowDataModule,
@@ -307,6 +310,7 @@ val applicationModule = module {
       coreAppReviewModule,
       coreCommonModule,
       dataChatModule,
+      dataChangeTierModule,
       dataConversationsModule,
       dataPayingMemberModule,
       dataStoreModule,

app/app/src/main/kotlin/com/hedvig/android/app/navigation/HedvigNavHost.kt

@@ -16,6 +16,9 @@ import com.hedvig.android.core.buildconstants.HedvigBuildConstants
 import com.hedvig.android.core.designsystem.material3.motion.MotionDefaults
 import com.hedvig.android.data.claimflow.ClaimFlowStep
 import com.hedvig.android.data.claimflow.toClaimFlowDestination
+import com.hedvig.android.feature.change.tier.navigation.ChooseTierGraphDestination
+import com.hedvig.android.feature.change.tier.navigation.InsuranceCustomizationParameters
+import com.hedvig.android.feature.change.tier.navigation.changeTierGraph
 import com.hedvig.android.feature.changeaddress.navigation.changeAddressGraph
 import com.hedvig.android.feature.chat.navigation.ChatDestination
 import com.hedvig.android.feature.chat.navigation.ChatDestinations
@@ -158,6 +161,14 @@ internal fun HedvigNavHost(
       openUrl = openUrl,
       navigator = navigator,
     )
+    changeTierGraph(
+      openUrl = openUrl,
+      navigator = navigator,
+      navController = hedvigAppState.navController,
+      onNavigateToNewConversation = { backStackEntry ->
+        navigateToNewConversation(backStackEntry)
+      },
+    )
     insuranceGraph(
       nestedGraphs = {
         terminateInsuranceGraph(
@@ -195,6 +206,27 @@ internal fun HedvigNavHost(
               finishApp()
             }
           },
+          redirectToChangeTierFlow = { backStackEntry, idWithIntent ->
+            with(navigator) {
+              backStackEntry.navigate(
+                destination = ChooseTierGraphDestination(
+                  InsuranceCustomizationParameters(
+                    insuranceId = idWithIntent.first,
+                    activationDateEpochDays = idWithIntent.second.activationDate.toEpochDays(),
+                    currentTierLevel = idWithIntent.second.currentTierLevel,
+                    currentTierName = idWithIntent.second.currentTierName,
+                    quoteIds = idWithIntent.second.quotes.map {
+                      it.id
+                    },
+                  ),
+                ),
+              ) {
+                typedPopUpTo<TerminateInsuranceGraphDestination> {
+                  inclusive = true
+                }
+              }
+            }
+          },
         )
       },
       navigator = navigator,

app/core/core-common-public/src/main/kotlin/com/hedvig/android/core/common/di/Qualifier.kt

@@ -14,6 +14,11 @@ val datastoreFileQualifier = qualifier("datastoreFileQualifier")
  */
 val databaseFileQualifier = qualifier("databaseFileQualifier")
 
+/**
+ * The [java.io.File] to be used by Room to store the Change Tier Quotes database in.
+ */
+val tierQuotesDatabaseFileQualifier = qualifier("tierQuotesDatabaseFileQualifier")
+
 /**
  * A qualifier to pass a [kotlin.coroutines.CoroutineContext] which should default to
  * [kotlinx.coroutines.Dispatchers.IO] for production code

app/data/data-changetier/build.gradle.kts

@@ -0,0 +1,34 @@
+plugins {
+  id("hedvig.android.ktlint")
+  id("hedvig.android.library")
+  alias(libs.plugins.squareSortDependencies)
+  alias(libs.plugins.apollo)
+  alias(libs.plugins.serialization)
+}
+
+dependencies {
+
+  implementation(libs.apollo.normalizedCache)
+  implementation(libs.apollo.runtime)
+  implementation(libs.arrow.core)
+  implementation(libs.koin.core)
+  implementation(libs.kotlinx.datetime)
+  implementation(projects.apolloCore)
+  implementation(projects.apolloOctopusPublic)
+  implementation(projects.coreCommonPublic)
+  implementation(projects.coreUiData)
+  implementation(projects.dataContractPublic)
+  implementation(projects.featureFlagsPublic)
+  implementation(projects.dataProductVariantPublic)
+  implementation(projects.dataProductVariantAndroid)
+  implementation(libs.kotlinx.serialization.core)
+  implementation(libs.kotlinx.serialization.json)
+  implementation(projects.dataChat)
+}
+
+apollo {
+  service("octopus") {
+    packageName = "octopus"
+    dependsOn(projects.apolloOctopusPublic, true)
+  }
+}

app/data/data-changetier/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest />

app/data/data-changetier/src/main/graphql/MutationChangeTierDeductible.graphql

@@ -0,0 +1,32 @@
+mutation ChangeTierDeductibleCreateIntent($contractId: ID!, $source: ChangeTierDeductibleSource!) {
+  changeTierDeductibleCreateIntent(input:{ contractId: $contractId, source: $source }) {
+    intent {
+      activationDate
+      currentTierLevel
+      currentTierName
+      quotes {
+        deductible {
+          amount {
+            ...MoneyFragment
+          }
+          displayText
+          percentage
+        }
+        displayItems {
+          displaySubtitle
+          displayTitle
+          displayValue
+        }
+        id
+        premium {
+          ...MoneyFragment
+        }
+        productVariant {
+          ...ProductVariantFragment
+        }
+        tierLevel
+        tierName
+      }
+    }
+  }
+}

app/data/data-changetier/src/main/kotlin/com/hedvig/android/data/changetier/data/ChangeTierRepository.kt

@@ -0,0 +1,59 @@
+package com.hedvig.android.data.changetier.data
+
+import arrow.core.Either
+import com.hedvig.android.core.common.ErrorMessage
+import com.hedvig.android.data.changetier.database.TierQuoteMapper
+import com.hedvig.android.data.chat.database.TierQuoteDao
+
+interface ChangeTierRepository {
+  suspend fun startChangeTierIntentAndGetQuotesId(
+    insuranceId: String,
+    source: ChangeTierCreateSource,
+  ): Either<ErrorMessage, ChangeTierDeductibleIntent>
+
+  suspend fun getQuoteById(id: String): TierDeductibleQuote // TODO: I guess it better to be Either too?
+
+  suspend fun getQuotesById(ids: List<String>): List<TierDeductibleQuote>
+
+  suspend fun addQuotesToDb(quotes: List<TierDeductibleQuote>)
+}
+
+internal class ChangeTierRepositoryImpl(
+  private val createChangeTierDeductibleIntentUseCase: CreateChangeTierDeductibleIntentUseCase,
+  private val tierQuoteDao: TierQuoteDao,
+  private val mapper: TierQuoteMapper,
+) : ChangeTierRepository {
+  override suspend fun startChangeTierIntentAndGetQuotesId(
+    insuranceId: String,
+    source: ChangeTierCreateSource,
+  ): Either<ErrorMessage, ChangeTierDeductibleIntent> {
+    tierQuoteDao.clearAllQuotes()
+    val result = createChangeTierDeductibleIntentUseCase.invoke(insuranceId, source)
+    result.onRight { intent ->
+      val quotes = intent.quotes.map { quote ->
+        mapper.quoteToDbModel(quote)
+      }
+      tierQuoteDao.insertAll(quotes)
+    }
+    return result
+  }
+
+  override suspend fun getQuoteById(id: String): TierDeductibleQuote {
+    val dbModel = tierQuoteDao.getOneQuoteById(id)
+    return mapper.dbModelToQuote(dbModel)
+  }
+
+  override suspend fun getQuotesById(ids: List<String>): List<TierDeductibleQuote> {
+    val list = tierQuoteDao.getQuotesById(ids)
+    return list.map { entity ->
+      mapper.dbModelToQuote(entity)
+    }
+  }
+
+  override suspend fun addQuotesToDb(quotes: List<TierDeductibleQuote>) {
+    val mapped = quotes.map { quote ->
+      mapper.quoteToDbModel(quote)
+    }
+    tierQuoteDao.insertAll(mapped)
+  }
+}