Coverage Summary for Class: MembersTab (com.georgeci.moneysurfer.feature.workspace.members)

 package com.georgeci.moneysurfer.feature.workspace.members
 
 import arrow.optics.optics
 import com.georgeci.moneysurfer.domain.auth.SessionPointers
 import com.georgeci.moneysurfer.domain.model.InviteStatus
 import com.georgeci.moneysurfer.domain.model.WorkspaceInvite
 import com.georgeci.moneysurfer.domain.model.WorkspaceMember
 import com.georgeci.moneysurfer.domain.model.WorkspaceMemberStatus
 import com.georgeci.moneysurfer.domain.model.WorkspaceRole
 import com.georgeci.moneysurfer.domain.primitives.ClockUseCase
 import com.georgeci.moneysurfer.domain.primitives.UserId
 import com.georgeci.moneysurfer.domain.primitives.WorkspaceId
 import com.georgeci.moneysurfer.domain.primitives.WorkspaceInviteId
 import com.georgeci.moneysurfer.domain.repositories.WorkspaceInviteRepository
 import com.georgeci.moneysurfer.domain.repositories.WorkspaceMemberRepository
 import com.georgeci.moneysurfer.domain.usecase.CancelInviteUseCase
 import com.georgeci.moneysurfer.domain.usecase.GetWorkspacesForUserUseCase
 import com.georgeci.moneysurfer.domain.usecase.InviteError
 import com.georgeci.moneysurfer.domain.usecase.LeaveWorkspaceUseCase
 import com.georgeci.moneysurfer.utils.MviViewModel
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.first
 import org.koin.core.annotation.KoinViewModel
 
 @KoinViewModel
 class WorkspaceMembersViewModel(
     workspaceId: WorkspaceId,
     private val session: SessionPointers,
     private val getWorkspacesForUserUseCase: GetWorkspacesForUserUseCase,
     private val memberRepository: WorkspaceMemberRepository,
     private val inviteRepository: WorkspaceInviteRepository,
     private val leaveWorkspace: LeaveWorkspaceUseCase,
     private val cancelInvite: CancelInviteUseCase,
     private val clock: ClockUseCase,
 ) : MviViewModel<WorkspaceMembersState, WorkspaceMembersEvent, WorkspaceMembersEffect>(
     initialState = WorkspaceMembersState.Loading(workspaceId),
 ) {
 
     init { observeWorkspace() }
 
     override fun onEvent(event: WorkspaceMembersEvent) {
         when (event) {
             WorkspaceMembersEvent.OnDismiss -> postSideEffect(WorkspaceMembersEffect.Dismiss)
             WorkspaceMembersEvent.OnInviteClick -> postSideEffect(WorkspaceMembersEffect.OpenInvite)
             is WorkspaceMembersEvent.OnTabSelected -> selectTab(event.tab)
             is WorkspaceMembersEvent.OnMemberClick -> openMemberActions(event.userId)
             WorkspaceMembersEvent.OnLeaveClick -> updateContent { copy(showLeaveDialog = true) }
             WorkspaceMembersEvent.OnLeaveCancel -> updateContent { copy(showLeaveDialog = false) }
             WorkspaceMembersEvent.OnLeaveConfirm -> performLeave()
             is WorkspaceMembersEvent.OnInviteCancel -> performCancelInvite(event.id)
         }
     }
 
     private fun openMemberActions(userId: UserId) {
         val state = WorkspaceMembersState.content.getOrNull(currentState) ?: return
         val target = state.members.firstOrNull { it.userId == userId } ?: return
 
         if (state.canManage && !target.isYou && target.role != WorkspaceRole.OWNER) {
             postSideEffect(
                 WorkspaceMembersEffect.OpenMemberActions(state.workspaceId, userId),
             )
         }
     }
 
     private fun performLeave() {
         val state = currentState as? WorkspaceMembersState.Content ?: return
         if (state.busy) return
         updateContent { copy(busy = true) }
         launch(onError = { reportFailure(InviteError.LocalWriteFailed(it)) }) {
             leaveWorkspace(state.workspaceId).fold(
                 ifLeft = { reportFailure(it) },
                 ifRight = {
                     updateContent { copy(busy = false, showLeaveDialog = false) }
                     postSideEffect(WorkspaceMembersEffect.LeftWorkspace)
                 },
             )
         }
     }
 
     private fun performCancelInvite(id: WorkspaceInviteId) {
         val state = currentState as? WorkspaceMembersState.Content ?: return
         if (state.busy) return
         updateContent { copy(busy = true) }
         launch(onError = { reportFailure(InviteError.LocalWriteFailed(it)) }) {
             cancelInvite(id).fold(
                 ifLeft = { reportFailure(it) },
                 ifRight = { updateContent { copy(busy = false) } },
             )
         }
     }
 
     private fun reportFailure(error: InviteError) {
         updateContent { copy(busy = false, showLeaveDialog = false) }
         postSideEffect(WorkspaceMembersEffect.ShowError(error))
     }
 
     private fun selectTab(tab: MembersTab) {
         updateContent { if (this.tab == tab) this else copy(tab = tab) }
     }
 
     private inline fun updateContent(
         crossinline block: WorkspaceMembersState.Content.() -> WorkspaceMembersState.Content,
     ) {
         updateState { if (this is WorkspaceMembersState.Content) block() else this }
     }
 
     private fun observeWorkspace() {
         launch {
             val workspaceId = currentState.workspaceId
             val userId = session.currentUserId.first()
             val workspace = userId
                 ?.let { getWorkspacesForUserUseCase(it).first().firstOrNull { ws -> ws.id == workspaceId } }
 
             val membersFlow = memberRepository.getByWorkspaceId(workspaceId)
             val invitesFlow = inviteRepository.getByWorkspaceId(workspaceId)
 
             combine(membersFlow, invitesFlow) { members, invites -> members to invites }
                 .collect { (members, invites) ->
                     val activeMembers = members.filter { it.status == WorkspaceMemberStatus.ACTIVE }
                     val pendingInvites = invites
                         .filter { it.status == InviteStatus.PENDING }
                         .sortedByDescending { it.createdAt }
                     val now = clock.now()
                     val viewerRole = activeMembers.firstOrNull { it.userId == userId }?.role
 
                     updateState {
                         val previous = this as? WorkspaceMembersState.Content
                         WorkspaceMembersState.Content(
                             workspaceId = workspaceId,
                             workspaceName = workspace?.name.orEmpty(),
                             currentUserId = userId,
                             viewerRole = viewerRole,
                             members = activeMembers.map { it.toUi(userId) },
                             pendingInvites = pendingInvites.map { it.toUi(now) },
                             tab = previous?.tab ?: MembersTab.Active,
                             busy = previous?.busy ?: false,
                             showLeaveDialog = previous?.showLeaveDialog ?: false,
                         )
                     }
                 }
         }
     }
 }
 
 private fun WorkspaceMember.toUi(currentUserId: UserId?): MemberUi = MemberUi(
     userId = userId,
     name = displayName.ifBlank { email.orEmpty() }.ifBlank { "Member" },
     email = email.orEmpty(),
     role = role,
     initial = (displayName.firstOrNull() ?: email?.firstOrNull() ?: '?').uppercaseChar().toString(),
     isYou = userId == currentUserId,
 )
 
 private fun WorkspaceInvite.toUi(now: kotlin.time.Instant): InviteUi = InviteUi(
     id = id,
     email = email,
     role = role,
     isExpired = expiresAt <= now,
     expiresAt = expiresAt,
 )
 
 @optics
 sealed interface WorkspaceMembersState {
     val workspaceId: WorkspaceId
 
     @optics
     data class Loading(override val workspaceId: WorkspaceId) : WorkspaceMembersState {
         companion object
     }
 
     @optics
     data class Content(
         override val workspaceId: WorkspaceId,
         val workspaceName: String,
         val currentUserId: UserId?,
         val viewerRole: WorkspaceRole?,
         val members: List<MemberUi>,
         val pendingInvites: List<InviteUi>,
         val tab: MembersTab,
         val busy: Boolean,
         val showLeaveDialog: Boolean,
     ) : WorkspaceMembersState {
         val canManage: Boolean get() = viewerRole == WorkspaceRole.OWNER
         val canLeave: Boolean get() = viewerRole != null && viewerRole != WorkspaceRole.OWNER
         val activeCount: Int get() = members.size
         val invitedCount: Int get() = pendingInvites.count { !it.isExpired }
         companion object
     }
 
     companion object
 }
 
 data class MemberUi(
     val userId: UserId,
     val name: String,
     val email: String,
     val role: WorkspaceRole,
     val initial: String,
     val isYou: Boolean,
 )
 
 data class InviteUi(
     val id: WorkspaceInviteId,
     val email: String,
     val role: WorkspaceRole,
     val isExpired: Boolean,
     val expiresAt: kotlin.time.Instant,
 )
 
 enum class MembersTab { Active, Invited }
 
 sealed interface WorkspaceMembersEvent {
     data object OnDismiss : WorkspaceMembersEvent
     data object OnInviteClick : WorkspaceMembersEvent
     data class OnTabSelected(val tab: MembersTab) : WorkspaceMembersEvent
     data class OnMemberClick(val userId: UserId) : WorkspaceMembersEvent
     data object OnLeaveClick : WorkspaceMembersEvent
     data object OnLeaveCancel : WorkspaceMembersEvent
     data object OnLeaveConfirm : WorkspaceMembersEvent
     data class OnInviteCancel(val id: WorkspaceInviteId) : WorkspaceMembersEvent
 }
 
 sealed interface WorkspaceMembersEffect {
     data object Dismiss : WorkspaceMembersEffect
     data object OpenInvite : WorkspaceMembersEffect
     data class OpenMemberActions(
         val workspaceId: WorkspaceId,
         val targetUserId: UserId,
     ) : WorkspaceMembersEffect
     data object LeftWorkspace : WorkspaceMembersEffect
     data class ShowError(val error: InviteError) : WorkspaceMembersEffect
 }