From 0e7d9460ad349b8ffa9dfdc7103613e211a5c485 Mon Sep 17 00:00:00 2001
From: Nigel Sahl <93074692+NerbFox@users.noreply.github.com>
Date: Mon, 1 Apr 2024 15:49:56 +0700
Subject: [PATCH] update: add getSum function
---
app/src/main/java/com/example/nerbos/data/TransactionDao.kt | 5 +++++
.../com/example/nerbos/repository/TransactionRepository.kt | 5 +++++
.../com/example/nerbos/viewmodel/TransactionViewModel.kt | 5 +++++
3 files changed, 15 insertions(+)
diff --git a/app/src/main/java/com/example/nerbos/data/TransactionDao.kt b/app/src/main/java/com/example/nerbos/data/TransactionDao.kt
index ce1a9db..29683ae 100644
--- a/app/src/main/java/com/example/nerbos/data/TransactionDao.kt
+++ b/app/src/main/java/com/example/nerbos/data/TransactionDao.kt
@@ -8,6 +8,7 @@ import androidx.room.OnConflictStrategy
import androidx.room.Query
import androidx.room.Update
import com.example.nerbos.model.Transaction
+import com.example.nerbos.model.TransactionCategory
@Dao
interface TransactionDao {
@@ -22,4 +23,8 @@ interface TransactionDao {
@Delete
suspend fun deleteTransation(transaction: Transaction)
+
+ @Query("SELECT SUM(nominal) FROM transaction_table WHERE userID = :userID AND category = :category")
+ fun getSum(userID: Int, category: TransactionCategory): LiveData<Float>
+
}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nerbos/repository/TransactionRepository.kt b/app/src/main/java/com/example/nerbos/repository/TransactionRepository.kt
index 167b34a..378a6f2 100644
--- a/app/src/main/java/com/example/nerbos/repository/TransactionRepository.kt
+++ b/app/src/main/java/com/example/nerbos/repository/TransactionRepository.kt
@@ -3,6 +3,7 @@ package com.example.nerbos.repository
import androidx.lifecycle.LiveData
import com.example.nerbos.model.Transaction
import com.example.nerbos.data.TransactionDao
+import com.example.nerbos.model.TransactionCategory
import com.example.nerbos.service.Authentication
class TransactionRepository(private val transactionDao: TransactionDao) {
@@ -22,4 +23,8 @@ class TransactionRepository(private val transactionDao: TransactionDao) {
fun setReadAllDataUserId(userID: Int){
readAllData = transactionDao.readAllData(userID)
}
+
+ fun getSum(userID: Int, category: TransactionCategory): LiveData<Float>{
+ return transactionDao.getSum(userID, category)
+ }
}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nerbos/viewmodel/TransactionViewModel.kt b/app/src/main/java/com/example/nerbos/viewmodel/TransactionViewModel.kt
index 5008192..ed27c0a 100644
--- a/app/src/main/java/com/example/nerbos/viewmodel/TransactionViewModel.kt
+++ b/app/src/main/java/com/example/nerbos/viewmodel/TransactionViewModel.kt
@@ -6,6 +6,7 @@ import androidx.lifecycle.LiveData
import androidx.lifecycle.viewModelScope
import com.example.nerbos.model.Transaction
import com.example.nerbos.data.TransactionDatabase
+import com.example.nerbos.model.TransactionCategory
import com.example.nerbos.repository.TransactionRepository
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
@@ -41,4 +42,8 @@ class TransactionViewModel(application: Application): AndroidViewModel(applicati
repository.setReadAllDataUserId(userId)
readAllData = repository.readAllData
}
+
+ fun getSums(userId: Int, category: TransactionCategory): LiveData<Float>{
+ return repository.getSum(userId, category)
+ }
}
\ No newline at end of file
--
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