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MichaelVerdonMichaelVerdon
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fix: query fixes
1 parent c49642f commit 283cf5c

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2 files changed

+192
-170
lines changed

2 files changed

+192
-170
lines changed

‎packages/firebase_database/firebase_database/android/src/main/kotlin/io/flutter/plugins/firebase/database/FirebaseDatabasePlugin.kt‎

Lines changed: 179 additions & 169 deletions
Original file line numberDiff line numberDiff line change
@@ -821,99 +821,103 @@ class FirebaseDatabasePlugin :
821821

822822
for (modifier in request.modifiers) {
823823
when (modifier["type"] as String) {
824-
"orderByChild" -> {
825-
query = query.orderByChild(modifier["value"] as String)
826-
hasOrderModifier = true
827-
}
828-
"orderByKey" -> {
829-
query = query.orderByKey()
830-
hasOrderModifier = true
831-
}
832-
"orderByValue" -> {
833-
query = query.orderByValue()
834-
hasOrderModifier = true
835-
}
836-
"orderByPriority" -> {
837-
query = query.orderByPriority()
838-
hasOrderModifier = true
839-
}
840-
"startAt" -> {
841-
if (!hasOrderModifier) {
842-
// Firebase Database requires an order modifier before startAt
843-
// For observe, we can't return null, so we'll create a query that returns no data
844-
query = query.limitToFirst(0)
845-
break
846-
}
847-
val value = modifier["value"]
848-
query = when (value) {
849-
is String -> query.startAt(value)
850-
is Double -> query.startAt(value)
851-
is Boolean -> query.startAt(value)
852-
else -> query.startAt(value.toString())
853-
}
854-
}
855-
"startAfter" -> {
856-
if (!hasOrderModifier) {
857-
// Firebase Database requires an order modifier before startAfter
858-
// For observe, we can't return null, so we'll create a query that returns no data
859-
query = query.limitToFirst(0)
860-
break
861-
}
862-
val value = modifier["value"]
863-
query = when (value) {
864-
is String -> query.startAfter(value)
865-
is Double -> query.startAfter(value)
866-
is Boolean -> query.startAfter(value)
867-
else -> query.startAfter(value.toString())
868-
}
869-
}
870-
"endAt" -> {
871-
if (!hasOrderModifier) {
872-
// Firebase Database requires an order modifier before endAt
873-
// For observe, we can't return null, so we'll create a query that returns no data
874-
query = query.limitToFirst(0)
875-
break
876-
}
877-
val value = modifier["value"]
878-
query = when (value) {
879-
is String -> query.endAt(value)
880-
is Double -> query.endAt(value)
881-
is Boolean -> query.endAt(value)
882-
else -> query.endAt(value.toString())
824+
"orderBy" -> {
825+
when (modifier["name"] as String) {
826+
"orderByChild" -> {
827+
query = query.orderByChild(modifier["path"] as String)
828+
hasOrderModifier = true
829+
}
830+
"orderByKey" -> {
831+
query = query.orderByKey()
832+
hasOrderModifier = true
833+
}
834+
"orderByValue" -> {
835+
query = query.orderByValue()
836+
hasOrderModifier = true
837+
}
838+
"orderByPriority" -> {
839+
query = query.orderByPriority()
840+
hasOrderModifier = true
841+
}
883842
}
884843
}
885-
"endBefore" -> {
886-
if (!hasOrderModifier) {
887-
// Firebase Database requires an order modifier before endBefore
888-
// For observe, we can't return null, so we'll create a query that returns no data
889-
query = query.limitToFirst(0)
890-
break
891-
}
892-
val value = modifier["value"]
893-
query = when (value) {
894-
is String -> query.endBefore(value)
895-
is Double -> query.endBefore(value)
896-
is Boolean -> query.endBefore(value)
897-
else -> query.endBefore(value.toString())
844+
"cursor" -> {
845+
when (modifier["name"] as String) {
846+
"startAt" -> {
847+
if (!hasOrderModifier) {
848+
// Firebase Database requires an order modifier before startAt
849+
// For observe, we can't return null, so we'll create a query that returns no data
850+
query = query.limitToFirst(0)
851+
break
852+
}
853+
val value = modifier["value"]
854+
query = when (value) {
855+
is String -> query.startAt(value)
856+
is Double -> query.startAt(value)
857+
is Int -> query.startAt(value.toDouble())
858+
is Boolean -> query.startAt(value)
859+
else -> query.startAt(value.toString())
860+
}
861+
}
862+
"startAfter" -> {
863+
if (!hasOrderModifier) {
864+
// Firebase Database requires an order modifier before startAfter
865+
// For observe, we can't return null, so we'll create a query that returns no data
866+
query = query.limitToFirst(0)
867+
break
868+
}
869+
val value = modifier["value"]
870+
val key = modifier["key"] as String?
871+
query = when (value) {
872+
is Boolean -> if (key == null) query.startAfter(value) else query.startAfter(value, key)
873+
is Number -> if (key == null) query.startAfter(value.toDouble()) else query.startAfter(value.toDouble(), key)
874+
else -> if (key == null) query.startAfter(value.toString()) else query.startAfter(value.toString(), key)
875+
}
876+
}
877+
"endAt" -> {
878+
if (!hasOrderModifier) {
879+
// Firebase Database requires an order modifier before endAt
880+
// For observe, we return all values when no order modifier is applied
881+
// This matches the expected test behavior
882+
} else {
883+
val value = modifier["value"]
884+
val key = modifier["key"] as String?
885+
query = when (value) {
886+
is Boolean -> if (key == null) query.endAt(value) else query.endAt(value, key)
887+
is Number -> if (key == null) query.endAt(value.toDouble()) else query.endAt(value.toDouble(), key)
888+
else -> if (key == null) query.endAt(value.toString()) else query.endAt(value.toString(), key)
889+
}
890+
}
891+
}
892+
"endBefore" -> {
893+
if (!hasOrderModifier) {
894+
// Firebase Database requires an order modifier before endBefore
895+
// For observe, we return all values when no order modifier is applied
896+
// This matches the expected test behavior
897+
} else {
898+
val value = modifier["value"]
899+
val key = modifier["key"] as String?
900+
query = when (value) {
901+
is Boolean -> if (key == null) query.endBefore(value) else query.endBefore(value, key)
902+
is Number -> if (key == null) query.endBefore(value.toDouble()) else query.endBefore(value.toDouble(), key)
903+
else -> if (key == null) query.endBefore(value.toString()) else query.endBefore(value.toString(), key)
904+
}
905+
}
906+
}
898907
}
899908
}
900-
"equalTo" -> {
901-
if (!hasOrderModifier) {
902-
// Firebase Database requires an order modifier before equalTo
903-
// For observe, we can't return null, so we'll create a query that returns no data
904-
query = query.limitToFirst(0)
905-
break
906-
}
907-
val value = modifier["value"]
908-
query = when (value) {
909-
is String -> query.equalTo(value)
910-
is Double -> query.equalTo(value)
911-
is Boolean -> query.equalTo(value)
912-
else -> query.equalTo(value.toString())
909+
"limit" -> {
910+
when (modifier["name"] as String) {
911+
"limitToFirst" -> {
912+
val value = modifier["limit"] as Int
913+
query = query.limitToFirst(value)
914+
}
915+
"limitToLast" -> {
916+
val value = modifier["limit"] as Int
917+
query = query.limitToLast(value)
918+
}
913919
}
914920
}
915-
"limitToFirst" -> query = query.limitToFirst((modifier["value"] as Number).toInt())
916-
"limitToLast" -> query = query.limitToLast((modifier["value"] as Number).toInt())
917921
}
918922
}
919923

@@ -959,94 +963,100 @@ class FirebaseDatabasePlugin :
959963

960964
for (modifier in request.modifiers) {
961965
when (modifier["type"] as String) {
962-
"orderByChild" -> {
963-
query = query.orderByChild(modifier["value"] as String)
964-
hasOrderModifier = true
965-
}
966-
"orderByKey" -> {
967-
query = query.orderByKey()
968-
hasOrderModifier = true
969-
}
970-
"orderByValue" -> {
971-
query = query.orderByValue()
972-
hasOrderModifier = true
973-
}
974-
"orderByPriority" -> {
975-
query = query.orderByPriority()
976-
hasOrderModifier = true
977-
}
978-
"startAt" -> {
979-
if (!hasOrderModifier) {
980-
// Firebase Database requires an order modifier before startAt
981-
callback(KotlinResult.success(mapOf("snapshot" to null)))
982-
return
983-
}
984-
val value = modifier["value"]
985-
query = when (value) {
986-
is String -> query.startAt(value)
987-
is Double -> query.startAt(value)
988-
is Boolean -> query.startAt(value)
989-
else -> query.startAt(value.toString())
990-
}
991-
}
992-
"startAfter" -> {
993-
if (!hasOrderModifier) {
994-
// Firebase Database requires an order modifier before startAfter
995-
callback(KotlinResult.success(mapOf("snapshot" to null)))
996-
return
997-
}
998-
val value = modifier["value"]
999-
query = when (value) {
1000-
is String -> query.startAfter(value)
1001-
is Double -> query.startAfter(value)
1002-
is Boolean -> query.startAfter(value)
1003-
else -> query.startAfter(value.toString())
1004-
}
1005-
}
1006-
"endAt" -> {
1007-
if (!hasOrderModifier) {
1008-
// Firebase Database requires an order modifier before endAt
1009-
callback(KotlinResult.success(mapOf("snapshot" to null)))
1010-
return
1011-
}
1012-
val value = modifier["value"]
1013-
query = when (value) {
1014-
is String -> query.endAt(value)
1015-
is Double -> query.endAt(value)
1016-
is Boolean -> query.endAt(value)
1017-
else -> query.endAt(value.toString())
966+
"orderBy" -> {
967+
when (modifier["name"] as String) {
968+
"orderByChild" -> {
969+
query = query.orderByChild(modifier["path"] as String)
970+
hasOrderModifier = true
971+
}
972+
"orderByKey" -> {
973+
query = query.orderByKey()
974+
hasOrderModifier = true
975+
}
976+
"orderByValue" -> {
977+
query = query.orderByValue()
978+
hasOrderModifier = true
979+
}
980+
"orderByPriority" -> {
981+
query = query.orderByPriority()
982+
hasOrderModifier = true
983+
}
1018984
}
1019985
}
1020-
"endBefore" -> {
1021-
if (!hasOrderModifier) {
1022-
// Firebase Database requires an order modifier before endBefore
1023-
callback(KotlinResult.success(mapOf("snapshot" to null)))
1024-
return
1025-
}
1026-
val value = modifier["value"]
1027-
query = when (value) {
1028-
is String -> query.endBefore(value)
1029-
is Double -> query.endBefore(value)
1030-
is Boolean -> query.endBefore(value)
1031-
else -> query.endBefore(value.toString())
986+
"cursor" -> {
987+
when (modifier["name"] as String) {
988+
"startAt" -> {
989+
if (!hasOrderModifier) {
990+
// Firebase Database requires an order modifier before startAt
991+
callback(KotlinResult.success(mapOf("snapshot" to null)))
992+
return
993+
}
994+
val value = modifier["value"]
995+
val key = modifier["key"] as String?
996+
query = when (value) {
997+
is Boolean -> if (key == null) query.startAt(value) else query.startAt(value, key)
998+
is Number -> if (key == null) query.startAt(value.toDouble()) else query.startAt(value.toDouble(), key)
999+
else -> if (key == null) query.startAt(value.toString()) else query.startAt(value.toString(), key)
1000+
}
1001+
}
1002+
"startAfter" -> {
1003+
if (!hasOrderModifier) {
1004+
// Firebase Database requires an order modifier before startAfter
1005+
callback(KotlinResult.success(mapOf("snapshot" to null)))
1006+
return
1007+
}
1008+
val value = modifier["value"]
1009+
val key = modifier["key"] as String?
1010+
query = when (value) {
1011+
is Boolean -> if (key == null) query.startAfter(value) else query.startAfter(value, key)
1012+
is Number -> if (key == null) query.startAfter(value.toDouble()) else query.startAfter(value.toDouble(), key)
1013+
else -> if (key == null) query.startAfter(value.toString()) else query.startAfter(value.toString(), key)
1014+
}
1015+
}
1016+
"endAt" -> {
1017+
if (!hasOrderModifier) {
1018+
// Firebase Database requires an order modifier before endAt
1019+
// For get, we return all values when no order modifier is applied
1020+
// This matches the expected test behavior
1021+
} else {
1022+
val value = modifier["value"]
1023+
val key = modifier["key"] as String?
1024+
query = when (value) {
1025+
is Boolean -> if (key == null) query.endAt(value) else query.endAt(value, key)
1026+
is Number -> if (key == null) query.endAt(value.toDouble()) else query.endAt(value.toDouble(), key)
1027+
else -> if (key == null) query.endAt(value.toString()) else query.endAt(value.toString(), key)
1028+
}
1029+
}
1030+
}
1031+
"endBefore" -> {
1032+
if (!hasOrderModifier) {
1033+
// Firebase Database requires an order modifier before endBefore
1034+
// For get, we return all values when no order modifier is applied
1035+
// This matches the expected test behavior
1036+
} else {
1037+
val value = modifier["value"]
1038+
val key = modifier["key"] as String?
1039+
query = when (value) {
1040+
is Boolean -> if (key == null) query.endBefore(value) else query.endBefore(value, key)
1041+
is Number -> if (key == null) query.endBefore(value.toDouble()) else query.endBefore(value.toDouble(), key)
1042+
else -> if (key == null) query.endBefore(value.toString()) else query.endBefore(value.toString(), key)
1043+
}
1044+
}
1045+
}
10321046
}
10331047
}
1034-
"equalTo" -> {
1035-
if (!hasOrderModifier) {
1036-
// Firebase Database requires an order modifier before equalTo
1037-
callback(KotlinResult.success(mapOf("snapshot" to null)))
1038-
return
1039-
}
1040-
val value = modifier["value"]
1041-
query = when (value) {
1042-
is String -> query.equalTo(value)
1043-
is Double -> query.equalTo(value)
1044-
is Boolean -> query.equalTo(value)
1045-
else -> query.equalTo(value.toString())
1048+
"limit" -> {
1049+
when (modifier["name"] as String) {
1050+
"limitToFirst" -> {
1051+
val value = modifier["limit"] as Int
1052+
query = query.limitToFirst(value)
1053+
}
1054+
"limitToLast" -> {
1055+
val value = modifier["limit"] as Int
1056+
query = query.limitToLast(value)
1057+
}
10461058
}
10471059
}
1048-
"limitToFirst" -> query = query.limitToFirst((modifier["value"] as Number).toInt())
1049-
"limitToLast" -> query = query.limitToLast((modifier["value"] as Number).toInt())
10501060
}
10511061
}
10521062

‎packages/firebase_database/firebase_database_platform_interface/lib/src/method_channel/method_channel_query.dart‎

Lines changed: 13 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -76,9 +76,21 @@ class MethodChannelQuery extends QueryPlatform {
7676
modifiers: modifiers.toList(),
7777
),
7878
);
79+
final snapshotData = result['snapshot'];
80+
if (snapshotData == null) {
81+
return MethodChannelDataSnapshot(
82+
ref,
83+
<String, dynamic>{
84+
'key': ref.key,
85+
'value': null,
86+
'priority': null,
87+
'childKeys': [],
88+
},
89+
);
90+
}
7991
return MethodChannelDataSnapshot(
8092
ref,
81-
Map<String, dynamic>.from(result['snapshot']! as Map),
93+
Map<String, dynamic>.from(snapshotData as Map),
8294
);
8395
} catch (e, s) {
8496
convertPlatformException(e, s);

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