Package com.kernelcrew.moodapp.data

Class MoodEventProvider

java.lang.Object

com.kernelcrew.moodapp.data.MoodEventProvider

public class MoodEventProvider
extends Object

Method Summary

Modifier and Type	Method	Description
com.google.android.gms.tasks.Task<Void>	deleteMoodEvent(String moodId)
com.google.firebase.firestore.Query	getAll()	Returns all mood events which can then be further filtered.
static MoodEventProvider	getInstance()	Get the singleton instance of the MoodEventProvider.
com.google.android.gms.tasks.Task<MoodEvent>	getMoodEvent(String id)	Get a mood event by id.
com.google.android.gms.tasks.Task<Void>	insertMoodEvent(MoodEvent moodEvent)	Insert a new mood event into the DB.
com.google.firebase.firestore.ListenerRegistration	listenToMoodEventsForUsers(List<String> userIds, MoodEventFilter filter, int followerLimit, CombinedListener listener)	Listens to mood events for a list of user IDs.
com.google.android.gms.tasks.Task<Void>	updateMoodEvent(String moodId, MoodEvent moodEvent)	Update an existing mood event in DB.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

public static MoodEventProvider getInstance()

Get the singleton instance of the MoodEventProvider.

Returns:

Singleton instance

insertMoodEvent

public com.google.android.gms.tasks.Task<Void> insertMoodEvent(MoodEvent moodEvent)

Insert a new mood event into the DB.

Parameters:

moodEvent - Mood event to insert

Returns:

Insert task

updateMoodEvent

public com.google.android.gms.tasks.Task<Void> updateMoodEvent(String moodId,
 MoodEvent moodEvent)

Update an existing mood event in DB.

Parameters:

moodId - ID of mood event to update

moodEvent - Mood event details to update with

Returns:

Update task

getMoodEvent

public com.google.android.gms.tasks.Task<MoodEvent> getMoodEvent(@NonNull
 String id)

Get a mood event by id.

Parameters:

id - Id of the mood event to fetch

Returns:

Task which should resolve to the mood event (or null if not found)

deleteMoodEvent

public com.google.android.gms.tasks.Task<Void> deleteMoodEvent(String moodId)

getAll

public com.google.firebase.firestore.Query getAll()

Returns all mood events which can then be further filtered.

Returns:

All (visible) mood events.

listenToMoodEventsForUsers

public com.google.firebase.firestore.ListenerRegistration listenToMoodEventsForUsers(List<String> userIds,
 MoodEventFilter filter,
 int followerLimit,
 CombinedListener listener)

Listens to mood events for a list of user IDs. For the current user (assumed to be the first element in userIds) all posts are returned. For each followed user, only the 3 most recent posts are returned. The results from all queries are combined and returned via the CombinedListener.