From 4bcc8a0a2b162c68870ba9e2c8e33328b5db482a Mon Sep 17 00:00:00 2001
From: Prasanna Anbazhagan <praslnx8@gmail.com>
Date: Mon, 15 Jan 2024 07:07:38 +0530
Subject: [PATCH] save commit

---
 docs/class.puml                               | 58 +++++++++++++++++++
 lib/contract/sip_frequency.dart               |  7 +++
 .../perform_sip_transactions_use_case.dart    | 41 +++++++++++++
 lib/ui/widgets/create_investment_dialog.dart  | 49 ++++++++++------
 4 files changed, 137 insertions(+), 18 deletions(-)
 create mode 100644 docs/class.puml
 create mode 100644 lib/contract/sip_frequency.dart
 create mode 100644 lib/domain/usecases/perform_sip_transactions_use_case.dart

diff --git a/docs/class.puml b/docs/class.puml
new file mode 100644
index 0000000..5482578
--- /dev/null
+++ b/docs/class.puml
@@ -0,0 +1,58 @@
+@startuml
+
+class Basket {
+  - id: Int
+  - name: String
+  - description: String
+}
+
+class Investment {
+  - id: Int
+  - name: String
+  - description: String
+  - basketId: Int
+  - currentValue: Real
+  - riskLevel: String
+  - irr: Real
+  - currentValueUpdatedOn: DateTime
+  - maturityDate: DateTime
+}
+
+class Transaction {
+  - id: Int
+  - investmentId: Int
+  - sipId: Int
+  - amount: Real
+  - description: String
+  - amountInvestedOn: DateTime
+}
+
+class Sip {
+  - id: Int
+  - investmentId: Int
+  - amount: Real
+  - description: String
+  - startDate: DateTime
+  - endDate: DateTime
+  - frequency: Real
+  - executedTill: DateTime
+}
+
+class Goal {
+  - id: Int
+  - name: String
+  - description: String
+  - amount: Real
+  - date: DateTime
+  - inflation: Real
+  - targetAmount: Real
+  - targetDate: DateTime
+  - importance: String
+}
+
+Basket "1" -- "0..*" Investment : contains
+Investment "1" -- "0..*" Transaction : contains
+Investment "1" -- "0..*" Sip : contains
+Goal "1" -- "*..*" Investment : contains
+
+@enduml
\ No newline at end of file
diff --git a/lib/contract/sip_frequency.dart b/lib/contract/sip_frequency.dart
new file mode 100644
index 0000000..de77bfd
--- /dev/null
+++ b/lib/contract/sip_frequency.dart
@@ -0,0 +1,7 @@
+enum SipFrequency {
+  daily,
+  weekly,
+  biweekly,
+  monthly,
+  yearly,
+}
diff --git a/lib/domain/usecases/perform_sip_transactions_use_case.dart b/lib/domain/usecases/perform_sip_transactions_use_case.dart
new file mode 100644
index 0000000..505e760
--- /dev/null
+++ b/lib/domain/usecases/perform_sip_transactions_use_case.dart
@@ -0,0 +1,41 @@
+import 'package:wealth_wave/api/apis/investment_api.dart';
+
+class PerformSipTransactionsUseCase {
+  final InvestmentApi _investmentApi;
+
+  PerformSipTransactionsUseCase({final InvestmentApi? investmentApi})
+      : _investmentApi = investmentApi ?? InvestmentApi();
+
+  Future<void> performSipTransactions() async {
+    return _investmentApi.getSips().then((sips) {
+      for (var sip in sips) {
+        if (sip.startDate.isBefore(DateTime.now())) {
+          var diff = sip.startDate.difference(DateTime.now()).inDays;
+          var frequency = sip.frequency;
+          if (diff > frequency) {
+            for (DateTime i = sip.startDate;
+                i.isBefore(DateTime.now());
+                i.add(Duration(days: frequency.toInt()))) {
+              _investmentApi
+                  .createTransaction(
+                      investmentId: sip.investmentId,
+                      description: 'SIP',
+                      amount: sip.amount,
+                      date: sip.startDate)
+                  .await;
+            }
+          }
+
+          _investmentApi
+              .createTransaction(
+                  investmentId: sip.investmentId,
+                  amount: sip.amount,
+                  date: sip.startDate)
+              .then((_) => _investmentApi.updateSip(
+                  id: sip.id,
+                  startDate: sip.startDate.add(Duration(days: 30))));
+        }
+      }
+    });
+  }
+}
diff --git a/lib/ui/widgets/create_investment_dialog.dart b/lib/ui/widgets/create_investment_dialog.dart
index 0f0fa78..474b355 100644
--- a/lib/ui/widgets/create_investment_dialog.dart
+++ b/lib/ui/widgets/create_investment_dialog.dart
@@ -102,24 +102,37 @@ class _CreateInvestmentPage extends PageState<CreateInvestmentViewState,
                 labelText: 'Desctiption', border: OutlineInputBorder()),
           ),
           const SizedBox(height: AppDimen.defaultPadding),
-          TextFormField(
-            textInputAction: TextInputAction.next,
-            controller: _valueController,
-            keyboardType: TextInputType.number,
-            inputFormatters: [FilteringTextInputFormatter.digitsOnly],
-            decoration: const InputDecoration(
-                labelText: 'Value', border: OutlineInputBorder()),
-          ),
-          const SizedBox(height: AppDimen.defaultPadding),
-          TextFormField(
-            textInputAction: TextInputAction.next,
-            controller: _valueUpdatedDateController,
-            inputFormatters: [
-              FilteringTextInputFormatter.deny(RegExp(r'[^0-9\-]'))
-            ],
-            decoration: const InputDecoration(
-                labelText: 'Date (DD-MM-YYYY)', border: OutlineInputBorder()),
-          ),
+          Container(
+              decoration: BoxDecoration(
+                  border: Border.all(color: Theme.of(context).dividerColor),
+                  borderRadius: BorderRadius.circular(AppDimen.defaultPadding)),
+              child: Padding(
+                padding: const EdgeInsets.all(AppDimen.minPadding),
+                child: Column(
+                  children: [
+                    TextFormField(
+                      textInputAction: TextInputAction.next,
+                      controller: _valueController,
+                      keyboardType: TextInputType.number,
+                      inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+                      decoration: const InputDecoration(
+                          labelText: 'Current Value',
+                          border: OutlineInputBorder()),
+                    ),
+                    const SizedBox(height: AppDimen.minPadding),
+                    const Text('Or'),
+                    const SizedBox(height: AppDimen.minPadding),
+                    TextFormField(
+                      textInputAction: TextInputAction.next,
+                      controller: _valueController,
+                      keyboardType: TextInputType.number,
+                      inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+                      decoration: const InputDecoration(
+                          labelText: 'IRR %', border: OutlineInputBorder()),
+                    )
+                  ],
+                ),
+              )),
           const SizedBox(height: AppDimen.defaultPadding),
           DropdownButtonFormField<int>(
               decoration: const InputDecoration(