fix: use core service instance instead of calling high-level function

Author: jvsena42

app/src/main/java/to/bitkit/repositories/ActivityRepo.kt

@@ -5,7 +5,6 @@ import com.synonym.bitkitcore.Activity.Onchain
 import com.synonym.bitkitcore.ActivityFilter
 import com.synonym.bitkitcore.PaymentType
 import com.synonym.bitkitcore.SortDirection
-import com.synonym.bitkitcore.getTags
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.TimeoutCancellationException
 import kotlinx.coroutines.async
@@ -248,7 +247,7 @@ class ActivityRepo @Inject constructor(
                     context = TAG
                 )
 
-                val tags = getTags(activityIdToDelete)
+                val tags = coreService.activity.tags(activityIdToDelete)
                 addTagsToActivity(activityId = id, tags = tags)
 
                 deleteActivity(activityIdToDelete).onFailure { e ->

app/src/test/java/to/bitkit/repositories/ActivityRepoTest.kt

@@ -228,6 +228,27 @@ class ActivityRepoTest : BaseUnitTest() {
         verify(coreService.activity).update(activityId, testActivity)
     }
 
+    @Test
+    fun `replaceActivity updates and deletes successfully`() = test {
+        val activityId = "activity123"
+        val activityToDeleteId = "activity456"
+        val tagsMock = listOf("tag1", "tag2")
+        val cacheData = AppCacheData(deletedActivities = emptyList())
+        whenever(cacheStore.data).thenReturn(flowOf(cacheData))
+
+        wheneverBlocking { coreService.activity.update(activityId, testActivity) }.thenReturn(Unit)
+        wheneverBlocking { coreService.activity.delete(activityToDeleteId) }.thenReturn(true)
+        wheneverBlocking { cacheStore.addActivityToDeletedList(activityToDeleteId) }.thenReturn(Unit)
+
+        whenever(coreService.activity.tags(activityId)).thenAnswer { tagsMock }
+
+        val result = sut.replaceActivity(activityId, activityToDeleteId, testActivity)
+
+        assertTrue(result.isSuccess)
+        verify(coreService.activity).update(activityId, testActivity)
+        verify(coreService.activity).delete(activityToDeleteId)
+    }
+
     @Test
     fun `deleteActivity deletes successfully`() = test {
         val activityId = "activity123"