Polished

lib/NewJournal.dart

@@ -5,6 +5,7 @@ import 'package:intl/intl.dart';
 import 'package:flutter_colorpicker/flutter_colorpicker.dart';
 import 'User.dart' as User;
 import 'Data.dart';
+import 'Dialogs.dart';
 
 class NewJournal extends StatefulWidget {
   NewJournal({Key? key, this.title, this.text, this.date}) : super(key: key);
@@ -18,11 +19,31 @@ class NewJournal extends StatefulWidget {
 
 class _NewJournalState extends State<NewJournal> {
   bool editing =false;
+
+  DateTime date=  DateTime.now();
+  DateFormat dFormat =  DateFormat('yyyy-MM-dd');
   _NewJournalState({String? title, String? text, DateTime? m_date}){
     if(m_date!= null){
       editing = true;
       date=m_date;
       oldDate =m_date;
+    }else{
+      bool foundEmptyDate = false;
+      while(!foundEmptyDate) {
+        bool exist = false;
+        for (var element in User.journal) {
+          if (dFormat.format(element.day) == dFormat.format(date)) {
+            //Wat!
+            exist = true;
+            break;
+          }
+        }
+        if (!exist) {
+          foundEmptyDate=true;
+        }else{
+          date = date.subtract(Duration(days: 1));
+        }
+      }
     }
 
     titleController.text = title??'';
@@ -33,7 +54,6 @@ class _NewJournalState extends State<NewJournal> {
   TextEditingController descriptionEditingController = TextEditingController();
   bool productive = true;
   Color pickerColor = Colors.blue;
-  DateTime date=  DateTime.now();
   DateTime oldDate = DateTime.now();
   @override
   Widget build(BuildContext context) {
@@ -57,8 +77,25 @@ class _NewJournalState extends State<NewJournal> {
                                     theme: DatePickerTheme(), onChanged: (date) {
                                       // print('change $date');
                                     }, onConfirm: (newDate){
-                                      date = newDate;
-                                    }, currentTime: DateTime.now(), locale: LocaleType.en);
+                                      bool exist =false;
+                                      for (var element in User.journal) {
+                                        if(dFormat.format(element.day) == dFormat.format(newDate)){
+                                          //Wat!
+                                          exist=true;
+                                          break;
+                                        }
+                                      }
+
+                                      if(exist){
+                                        Dialogs.showAlertDialog(context, 'Cant duplicate entries!', 'Journal entry was found on this date, Please edit that instead of adding new entry.');
+                                      }else {
+                                        date = newDate;
+                                      }
+
+                                      setState(() {
+
+                                      });
+                                    }, currentTime: date, locale: LocaleType.en);
                               },
                               child: Container(
                                 margin: EdgeInsets.symmetric(vertical: 10),
@@ -70,7 +107,7 @@ class _NewJournalState extends State<NewJournal> {
                                     Text('Date : '),
                                     SizedBox(width: 30,),
                                     Text(
-                                      DateFormat('yyyy-MM-dd').format(date),
+                                      dFormat.format(date),
                                       style: TextStyle(fontSize: 18),
                                     ),
                                     SizedBox(width: 30,),
@@ -146,6 +183,19 @@ class _NewJournalState extends State<NewJournal> {
     if(editing){
       await User.UserOperations.editJournal(oldDate,date,title,text);
     }else{
+      bool exist =false;
+      for (var element in User.journal) {
+        if(element.day== date){
+          //Wat!
+          exist=true;
+          break;
+        }
+      }
+
+      if(exist){
+        Dialogs.showAlertDialog(context, 'Cant duplicate entries!', 'Journal entry was found on this date, Please edit that instead of adding new entry.');
+        return;
+      }
       await User.UserOperations.addJournal(date, title, text);
     }
     Navigator.of(context).popUntil((route) {