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January 22, 2020 14:26
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Function to use substring & calculate ageRange
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| calculateAgeRange() async { | |
| FirebaseAuth.instance.currentUser().then((user) async { | |
| final snapShot = | |
| await Firestore.instance.collection('User').document(user.uid).get(); | |
| User userSnapshot = User.fromSnapshot(snapShot); | |
| if (userSnapshot.AgeRange == '') { | |
| if (userSnapshot.DateOfBirth == '') { | |
| print('DATE OF BIRTH IS NULL'); | |
| } else { | |
| String ageRange; | |
| int picked = int.parse(userSnapshot.DateOfBirth.substring(6)); | |
| DateTime currentDate = DateTime.now(); | |
| var age = currentDate.year - picked; | |
| if (age > 18 && age <= 25) { | |
| print('age range is 18 - 25'); | |
| ageRange = '18 - 25 years'; | |
| } else if (age > 25 && age <= 29) { | |
| print('age range is 20 - 29'); | |
| ageRange = '20 - 29 years'; | |
| } else if (age > 29 && age <= 35) { | |
| print('age range is 30 - 35'); | |
| ageRange = '30 - 35 years'; | |
| } else if (age > 35) { | |
| print('age range is 35 and above'); | |
| ageRange = '35 & above'; | |
| } | |
| print('AGERANGE: ' + ageRange); | |
| profileBloc.ageRangeSink(ageRange); | |
| } | |
| } else if (snapShot.data.containsKey('AgeRange') == false) { | |
| print('AGE NOT FOUND'); | |
| return null; | |
| } else { | |
| print('AGE RANGE: ' + userSnapshot.AgeRange); | |
| } | |
| }); | |
| } |
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Works !