Created csv file and showed payment/expenses proper data

Data/Data/Extension/Date+Extension.swift

@@ -30,6 +30,13 @@ public extension Date {
         return dateFormatter.string(from: self)
     }
 
+    // 13-12-2001
+    var numericDate: String {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "dd-MM-yyyy"
+        return dateFormatter.string(from: self)
+    }
+
     var millisecondsSince1970: Int {
         Int((self.timeIntervalSince1970 * 1000.0).rounded())
     }

Splito/UI/Home/Groups/Group/GroupExpenseListView.swift

@@ -19,15 +19,15 @@ struct GroupExpenseListView: View {
         GeometryReader { geometry in
             ScrollViewReader { scrollProxy in
                 VStack(alignment: .leading, spacing: 0) {
-                    GroupOptionsListView(showShareSheet: $viewModel.showShareSheet, showExportOptions: $viewModel.showExportOptions,
-                                         isSettleUpEnable: (!viewModel.memberOwingAmount.isEmpty && viewModel.group?.members.count ?? 1 > 1),
-                                         onSettleUpTap: viewModel.handleSettleUpBtnTap,
-                                         onTransactionsTap: viewModel.handleTransactionsBtnTap,
-                                         onBalanceTap: viewModel.handleBalancesBtnTap,
-                                         onTotalsTap: viewModel.handleTotalBtnTap,
-                                         onExportTap: { exportOption, completion in
-                        viewModel.handleExportTap(exportOption: exportOption, completion: completion)
-                    })
+                    GroupOptionsListView(
+                        showShareSheet: $viewModel.showShareSheet, showExportOptions: $viewModel.showExportOptions,
+                        isSettleUpEnable: (!viewModel.memberOwingAmount.isEmpty && viewModel.group?.members.count ?? 1 > 1),
+                        generatedReportURL: viewModel.generatedReportURL, onSettleUpTap: viewModel.handleSettleUpBtnTap,
+                        onTransactionsTap: viewModel.handleTransactionsBtnTap, onBalanceTap: viewModel.handleBalancesBtnTap,
+                        onTotalsTap: viewModel.handleTotalBtnTap, onExportTap: { exportOption, completion in
+                            viewModel.handleExportTap(exportOption: exportOption, completion: completion)
+                        }
+                    )
 
                     if viewModel.showSearchBar {
                         SearchBar(text: $viewModel.searchedExpense, isFocused: isFocused, placeholder: "Search expenses")

Splito/UI/Home/Groups/Group/GroupHomeView.swift

@@ -131,6 +131,7 @@ struct GroupOptionsListView: View {
     @Binding var showExportOptions: Bool
 
     let isSettleUpEnable: Bool
+    let generatedReportURL: URL?
 
     let onSettleUpTap: () -> Void
     let onTransactionsTap: () -> Void
@@ -152,24 +153,28 @@ struct GroupOptionsListView: View {
                 GroupOptionsButtonView(text: "Export") {
                     showExportOptions = true
                 }
-            }
-            .padding([.horizontal, .bottom], 16)
-            .padding(.top, 24)
-        }
-        .confirmationDialog("", isPresented: $showExportOptions, titleVisibility: .hidden) {
-            ForEach(ExportOptions.allCases, id: \.self) { option in
-                Button(option.option.localized) {
-                    showExportOptions = false
-                    onExportTap(option) { _ in
-                        showShareSheet = true
+                .confirmationDialog("", isPresented: $showExportOptions, titleVisibility: .hidden) {
+                    ForEach(ExportOptions.allCases, id: \.self) { option in
+                        Button(option.option.localized) {
+                            showExportOptions = false
+                            onExportTap(option) { isSucceed in
+                                if isSucceed {
+                                    showShareSheet = true
+                                }
+                            }
+                        }
                     }
                 }
             }
+            .padding([.horizontal, .bottom], 16)
+            .padding(.top, 24)
         }
         .sheet(isPresented: $showShareSheet) {
-            ShareSheetView(activityItems: [""]) { isCompleted in
-                if isCompleted {
-                    showShareSheet = false
+            if let fileURL = generatedReportURL {
+                ShareSheetView(activityItems: [fileURL]) { isCompleted in
+                    if isCompleted {
+                        showShareSheet = false
+                    }
                 }
             }
         }

Splito/UI/Home/Groups/Group/GroupHomeViewModel.swift

@@ -19,32 +19,33 @@ class GroupHomeViewModel: BaseViewModel, ObservableObject {
     @Inject var expenseRepository: ExpenseRepository
     @Inject var transactionRepository: TransactionRepository
 
+    @Published var group: Groups?
+    @Published var generatedReportURL: URL?
     @Published private(set) var groupId: String
+
+    @Published var transactionsCount: Int = 0
     @Published private(set) var overallOwingAmount: Double = 0.0
     @Published private(set) var currentMonthSpending: Double = 0.0
 
-    @Published var group: Groups?
     @Published var groupState: GroupState = .loading
 
     @Published var expenses: [Expense] = []
     @Published var expensesWithUser: [ExpenseWithUser] = []
-    @Published var transactionsCount: Int = 0
     @Published private(set) var memberOwingAmount: [String: Double] = [:]
     @Published private(set) var groupExpenses: [String: [ExpenseWithUser]] = [:]
-
+
+    @Published var showSearchBar = false
     @Published var showShareSheet = false
     @Published var showSettleUpSheet = false
     @Published var showBalancesSheet = false
     @Published var showExportOptions = false
+    @Published var showScrollToTopBtn = false
     @Published var showGroupTotalSheet = false
     @Published var showAddExpenseSheet = false
     @Published var showTransactionsSheet = false
     @Published var showSimplifyInfoSheet = false
     @Published var showInviteMemberSheet = false
 
-    @Published var showSearchBar = false
-    @Published var showScrollToTopBtn = false
-
     @Published var searchedExpense: String = "" {
         didSet {
             updateGroupExpenses()

Splito/UI/Home/Groups/Group/GroupHomeViewModelExtension.swift

@@ -84,6 +84,12 @@ extension GroupHomeViewModel {
                 let transactions = try await transactionRepository.fetchTransactions(groupId: groupId, startDate: startDate, endDate: today)
                 print("xxx \(expenses.count) \(transactions.count)")
                 LogD("GroupHomeViewModel: \(#function) Expenses/payments fetched successfully.")
+                if let reportURL = generateCSVReport(expenses: expenses, payments: transactions) {
+                    self.generatedReportURL = reportURL // Store the file URL
+                    completion(true)
+                } else {
+                    completion(false)
+                }
                 completion(true)
             } catch {
                 LogE("GroupHomeViewModel: \(#function) Failed to fetch Expenses/payments: \(error).")
@@ -93,6 +99,76 @@ extension GroupHomeViewModel {
         }
     }
 
+    func generateCSVReport(expenses: [Expense], payments: [Transactions]) -> URL? {
+        guard let group else { return nil }
+
+        var csvContent = ""
+
+        // Add Expenses Section
+        csvContent += "Expenses\n"
+
+        let memberNames = group.members.map { getMemberDataBy(id: $0)?.nameWithLastInitial ?? "Unknown" }
+        let header = "Date, Description, Category, Cost, Currency, \(memberNames.joined(separator: ", "))\n\n"
+        csvContent += header
+
+        for expense in expenses {
+            let date = expense.date.dateValue().numericDate
+            var expenseRow = "\(date), \(expense.name), \(expense.category ?? "General"), \(expense.amount), \(expense.currencyCode ?? "INR")"
+
+            // Add owe amounts for each group member
+            for member in group.members {
+                let oweAmount = expense.getCalculatedSplitAmountOf(member: member)
+                expenseRow += ", \(oweAmount)"
+            }
+
+            csvContent += expenseRow + "\n"
+        }
+        csvContent += "\n"
+
+        // Add Settlements Section
+        csvContent += "Settlements\n"
+        for payment in payments {
+            let date = payment.date.dateValue().numericDate
+            let payer = getMemberDataBy(id: payment.payerId)?.nameWithLastInitial ?? "Unknown"
+            let receiver = getMemberDataBy(id: payment.receiverId)?.nameWithLastInitial ?? "Unknown"
+            var paymentRow = "\(date), \(payer) paid \(receiver), Payment, \(payment.amount), INR"
+
+            // Add owe amounts for each group member
+            for member in group.members {
+                let amount = member == payment.payerId ? payment.amount : (member == payment.receiverId) ? -payment.amount : 0.00
+                paymentRow += ", \(amount)"
+            }
+
+            csvContent += paymentRow + "\n"
+        }
+        csvContent += "\n"
+
+        // Add Total balance Section
+        let date = Date().numericDate
+        csvContent += "\(date), Total balance, , , INR"
+
+        for member in group.members {
+            // Find the balance for the current member
+            if let memberBalance = group.balances.first(where: { $0.id == member }) {
+                csvContent += ", \(memberBalance.balance)"
+            } else {
+                csvContent += ", 0.00" // Default to 0 if no balance is found
+            }
+        }
+
+        // Save the file to the temporary directory
+        let fileName = "Group_Report.csv"
+        let filePath = FileManager.default.temporaryDirectory.appendingPathComponent(fileName)
+
+        do {
+            try csvContent.write(to: filePath, atomically: true, encoding: .utf8)
+            return filePath
+        } catch {
+            LogE("GroupHomeViewModel: \(#function) Failed to write CSV file: \(error)")
+            return nil
+        }
+    }
+
     func handleSimplifyInfoSheet() {
         UIApplication.shared.endEditing()
         showSimplifyInfoSheet = true