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separation of users use cases

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This commit is contained in:
Danil Nikolaev
2024-08-14 21:03:35 +03:00
parent bafebfa4ae
commit 58e2906c0f
13 changed files with 170 additions and 80 deletions
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core/domain/src/main/kotlin/dev/meloda/fast/domain/GetLocalUserByIdUseCase.kt
+23
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@@ -0,0 +1,23 @@
package dev.meloda.fast.domain
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class GetLocalUserByIdUseCase(private val repository: UsersRepository) {
operator fun invoke(userId: Int): Flow<State<VkUser?>> = flow {
emit(State.Loading)
val newState = kotlin.runCatching {
repository.getLocalUsers(userIds = listOf(userId)).singleOrNull()
}.fold(
onSuccess = { user -> State.Success(user) },
onFailure = { State.Error.InternalError }
)
emit(newState)
}
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/GetLocalUsersByIdsUseCase.kt
+23
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@@ -0,0 +1,23 @@
package dev.meloda.fast.domain
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class GetLocalUsersByIdsUseCase(private val repository: UsersRepository) {
operator fun invoke(userIds: List<Int>): Flow<State<List<VkUser>>> = flow {
emit(State.Loading)
val newState = kotlin.runCatching {
repository.getLocalUsers(userIds = userIds)
}.fold(
onSuccess = { user -> State.Success(user) },
onFailure = { State.Error.InternalError }
)
emit(newState)
}
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/LoadUserByIdUseCase.kt
+28
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@@ -0,0 +1,28 @@
package dev.meloda.fast.domain
import dev.meloda.fast.common.VkConstants
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.data.mapToState
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class LoadUserByIdUseCase(private val repository: UsersRepository) {
operator fun invoke(
userId: Int?,
fields: String = VkConstants.USER_FIELDS,
nomCase: String? = null
): Flow<State<VkUser?>> = flow {
emit(State.Loading)
val newState = repository.get(
userIds = userId?.let(::listOf),
fields = fields,
nomCase = nomCase
).mapToState(List<VkUser>::singleOrNull)
emit(newState)
}
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/LoadUsersByIdsUseCase.kt
+28
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@@ -0,0 +1,28 @@
package dev.meloda.fast.domain
import dev.meloda.fast.common.VkConstants
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.data.mapToState
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class LoadUsersByIdsUseCase(private val repository: UsersRepository) {
operator fun invoke(
userIds: List<Int>?,
fields: String = VkConstants.USER_FIELDS,
nomCase: String? = null
): Flow<State<List<VkUser>>> = flow {
emit(State.Loading)
val newState = repository.get(
userIds = userIds,
fields = fields,
nomCase = nomCase
).mapToState()
emit(newState)
}
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/StoreUsersUseCase.kt
+28
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@@ -0,0 +1,28 @@
package dev.meloda.fast.domain
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class StoreUsersUseCase(private val repository: UsersRepository) {
operator fun invoke(users: List<VkUser>): Flow<State<Unit>> = flow {
emit(State.Loading)
val newState = kotlin.runCatching {
repository.storeUsers(users)
}.fold(
onSuccess = {
State.Success(Unit)
},
onFailure = { error ->
error.printStackTrace()
State.Error.InternalError
}
)
emit(newState)
}
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/UsersUseCase.kt
-19
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@@ -1,19 +0,0 @@
package dev.meloda.fast.domain
import dev.meloda.fast.data.State
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
interface UsersUseCase {
fun get(
userIds: List<Int>?,
fields: String?,
nomCase: String?
): Flow<State<List<VkUser>>>
fun getLocalUser(userId: Int): Flow<State<VkUser?>>
suspend fun storeUser(user: VkUser)
suspend fun storeUsers(users: List<VkUser>)
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/UsersUseCaseImpl.kt
-40
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@@ -1,40 +0,0 @@
package dev.meloda.fast.domain
import dev.meloda.fast.data.State
import dev.meloda.fast.data.api.users.UsersRepository
import dev.meloda.fast.data.mapToState
import dev.meloda.fast.model.api.domain.VkUser
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
class UsersUseCaseImpl(
private val repository: UsersRepository,
) : UsersUseCase {
override fun get(
userIds: List<Int>?,
fields: String?,
nomCase: String?
): Flow<State<List<VkUser>>> = flow {
emit(State.Loading)
val newState = repository.get(userIds, fields, nomCase).mapToState()
emit(newState)
}
override fun getLocalUser(userId: Int): Flow<State<VkUser?>> = flow {
emit(State.Loading)
val newState = kotlin.runCatching {
repository.getLocalUsers(listOf(userId)).singleOrNull()
}.fold(
onSuccess = { user -> State.Success(user) },
onFailure = { State.Error.InternalError }
)
emit(newState)
}
override suspend fun storeUser(user: VkUser) = repository.storeUsers(listOf(user))
override suspend fun storeUsers(users: List<VkUser>) = repository.storeUsers(users)
}
core/domain/src/main/kotlin/dev/meloda/fast/domain/di/DomainModule.kt
+11 -3
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@@ -4,8 +4,11 @@ import dev.meloda.fast.data.di.dataModule
import dev.meloda.fast.domain.AccountUseCase
import dev.meloda.fast.domain.AccountUseCaseImpl
import dev.meloda.fast.domain.GetCurrentAccountUseCase
import dev.meloda.fast.domain.UsersUseCase
import dev.meloda.fast.domain.UsersUseCaseImpl
import dev.meloda.fast.domain.GetLocalUserByIdUseCase
import dev.meloda.fast.domain.GetLocalUsersByIdsUseCase
import dev.meloda.fast.domain.LoadUserByIdUseCase
import dev.meloda.fast.domain.LoadUsersByIdsUseCase
import dev.meloda.fast.domain.StoreUsersUseCase
import org.koin.core.module.dsl.singleOf
import org.koin.dsl.bind
import org.koin.dsl.module
@@ -13,7 +16,12 @@ import org.koin.dsl.module
val domainModule = module {
includes(dataModule)
singleOf(::UsersUseCaseImpl) bind UsersUseCase::class
singleOf(::GetLocalUserByIdUseCase)
singleOf(::GetLocalUsersByIdsUseCase)
singleOf(::LoadUserByIdUseCase)
singleOf(::LoadUsersByIdsUseCase)
singleOf(::StoreUsersUseCase)
singleOf(::AccountUseCaseImpl) bind AccountUseCase::class
singleOf(::GetCurrentAccountUseCase)
}