130 lines
3.7 KiB
Swift
130 lines
3.7 KiB
Swift
//
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// CooperationOrderListViewModel.swift
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// suixinkan
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//
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import Foundation
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/// 合作订单列表 ViewModel，对齐 Android `CooperationOrderListViewModel`。
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final class CooperationOrderListViewModel {
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private(set) var selectedTab = 0
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private(set) var searchText = ""
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private(set) var leads: [ReferralLeadEntity] = []
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private(set) var orders: [AcquisitionOrderEntity] = []
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private(set) var isRefreshing = false
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private(set) var isLoadingMore = false
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private(set) var canLoadMore = false
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var onStateChange: (() -> Void)?
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var onShowMessage: ((String) -> Void)?
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private let pageSize = 10
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private var leadsPage = 1
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private var ordersPage = 1
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private var leadsTotal = 0
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private var ordersTotal = 0
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func onTabSelected(_ index: Int) {
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guard selectedTab != index else { return }
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selectedTab = index
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notifyStateChange()
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}
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func onSearchTextChange(_ text: String) {
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searchText = text
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notifyStateChange()
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}
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func refreshCurrentTab(api: OrderAPI) async {
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if selectedTab == 0 {
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await refreshLeads(api: api)
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} else {
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await refreshAcquisitionOrders(api: api)
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}
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}
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func refreshLeads(api: OrderAPI) async {
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leadsPage = 1
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isRefreshing = true
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isLoadingMore = false
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notifyStateChange()
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await loadLeads(api: api)
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}
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func refreshAcquisitionOrders(api: OrderAPI) async {
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ordersPage = 1
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isRefreshing = true
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isLoadingMore = false
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notifyStateChange()
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await loadAcquisitionOrders(api: api)
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}
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func loadMore(api: OrderAPI) async {
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guard !isRefreshing, !isLoadingMore, canLoadMore else { return }
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isLoadingMore = true
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notifyStateChange()
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if selectedTab == 0 {
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leadsPage += 1
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await loadLeads(api: api)
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} else {
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ordersPage += 1
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await loadAcquisitionOrders(api: api)
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}
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}
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func shouldLoadMore(at index: Int) -> Bool {
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guard canLoadMore, !isRefreshing, !isLoadingMore else { return false }
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let count = selectedTab == 0 ? leads.count : orders.count
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return index >= max(0, count - 3)
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}
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private func loadLeads(api: OrderAPI) async {
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do {
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let response = try await api.referralLeads(
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page: String(leadsPage),
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pageSize: String(pageSize)
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)
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leadsTotal = response.total
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if leadsPage == 1 {
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leads = response.list
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} else {
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leads.append(contentsOf: response.list)
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}
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canLoadMore = leads.count < leadsTotal
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} catch {
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onShowMessage?(error.localizedDescription)
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}
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isRefreshing = false
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isLoadingMore = false
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notifyStateChange()
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}
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private func loadAcquisitionOrders(api: OrderAPI) async {
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let keyword = searchText.trimmingCharacters(in: .whitespacesAndNewlines)
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do {
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let response = try await api.acquisitionOrders(
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keyword: keyword.isEmpty ? nil : keyword,
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page: String(ordersPage),
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pageSize: String(pageSize)
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)
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ordersTotal = response.total
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if ordersPage == 1 {
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orders = response.list
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} else {
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orders.append(contentsOf: response.list)
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}
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canLoadMore = orders.count < ordersTotal
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} catch {
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onShowMessage?(error.localizedDescription)
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}
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isRefreshing = false
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isLoadingMore = false
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notifyStateChange()
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}
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private func notifyStateChange() {
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onStateChange?()
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}
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}
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