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feat(Networking): enhance offline handling and localization for diary and members data
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- Added `ACCESS_NETWORK_STATE` permission in AndroidManifest.xml to monitor network connectivity.
- Introduced `NetworkConnectivityHolder` to manage network state and trigger data refresh when connectivity is restored.
- Updated `DiaryManager` and `MembersManager` to support offline caching, allowing users to view previously loaded data when offline.
- Enhanced localization by adding new keys for offline cache hints in both German and English, improving user experience during connectivity issues.
- Updated UI components to display offline cache messages, ensuring users are informed when data is being served from cache.
This commit is contained in:
Torsten Schulz (local)
2026-05-15 08:10:01 +02:00
parent 2f15827658
commit 320010b94e
12 changed files with 198 additions and 8 deletions
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15
mobile-app/shared/src/commonMain/kotlin/de/tsschulz/tt_tagebuch/shared/i18n/MobileStrings.kt
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@@ -1341,6 +1341,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Keine Verbindung – zuletzt geladene Daten.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -3853,6 +3854,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Keine Verbindung – zuletzt geladene Daten.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -6366,6 +6368,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Keine Verbindung – zuletzt geladene Daten.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -8872,6 +8875,7 @@ object MobileStrings {
"mobile.noMembers" to "No members found",
"mobile.noResults" to "No results",
"mobile.noTimes" to "No times",
"mobile.offlineCacheHint" to "No connection – showing last loaded data.",
"mobile.participationTop" to "Top attendance",
"mobile.refresh" to "Refresh",
"mobile.requestedAccess" to "Requested",
@@ -11378,6 +11382,7 @@ object MobileStrings {
"mobile.noMembers" to "No members found",
"mobile.noResults" to "No results",
"mobile.noTimes" to "No times",
"mobile.offlineCacheHint" to "No connection – showing last loaded data.",
"mobile.participationTop" to "Top attendance",
"mobile.refresh" to "Refresh",
"mobile.requestedAccess" to "Requested",
@@ -13884,6 +13889,7 @@ object MobileStrings {
"mobile.noMembers" to "No members found",
"mobile.noResults" to "No results",
"mobile.noTimes" to "No times",
"mobile.offlineCacheHint" to "No connection – showing last loaded data.",
"mobile.participationTop" to "Top attendance",
"mobile.refresh" to "Refresh",
"mobile.requestedAccess" to "Requested",
@@ -16390,6 +16396,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Sin conexión: se muestran los datos cargados por última vez.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -18896,6 +18903,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Walang koneksyon – ipinapakita ang huling na-load na datos.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -21402,6 +21410,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Pas de connexion – affichage des données du dernier chargement.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -23908,6 +23917,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Nessuna connessione – dati dell’ultimo caricamento.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -26414,6 +26424,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "ネットワークに接続されていません。最後に読み込んだデータを表示しています。",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -28920,6 +28931,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Brak połączenia – wyświetlane ostatnio wczytane dane.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -31426,6 +31438,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "ไม่มีการเชื่อมต่อ – แสดงข้อมูลที่โหลดล่าสุด",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -33932,6 +33945,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "Walang koneksyon – ipinapakita ang huling na-load na datos.",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",
@@ -36438,6 +36452,7 @@ object MobileStrings {
"mobile.noMembers" to "Keine Mitglieder gefunden",
"mobile.noResults" to "Keine Treffer",
"mobile.noTimes" to "Keine Zeiten",
"mobile.offlineCacheHint" to "无网络连接，显示上次加载的数据。",
"mobile.participationTop" to "Top Teilnahmen",
"mobile.refresh" to "Aktualisieren",
"mobile.requestedAccess" to "Angefragt",

26
mobile-app/shared/src/commonMain/kotlin/de/tsschulz/tt_tagebuch/shared/state/DiaryManager.kt
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@@ -224,12 +224,32 @@ class DiaryManager(
}
suspend fun loadDates(clubId: Int) {
_state.value = _state.value.copy(isLoading = true, error = null)
val prev = _state.value
val base = if (prev.lastLoadedClubId != null && prev.lastLoadedClubId != clubId) {
prev.copy(dates = emptyList(), lastLoadedClubId = null, fromOfflineCache = false, error = null)
} else {
prev
}
_state.value = base.copy(isLoading = true, error = null)
try {
val dates = diaryApi.listDates(clubId)
_state.value = _state.value.copy(isLoading = false, dates = dates)
_state.value = base.copy(
isLoading = false,
dates = dates,
lastLoadedClubId = clubId,
fromOfflineCache = false,
error = null,
)
} catch (t: Throwable) {
_state.value = _state.value.copy(isLoading = false, error = t.toUserMessage("Fehler beim Laden des Tagebuchs"))
if (base.lastLoadedClubId == clubId && base.dates.isNotEmpty()) {
_state.value = base.copy(isLoading = false, fromOfflineCache = true, error = null)
} else {
_state.value = base.copy(
isLoading = false,
error = t.toUserMessage("Fehler beim Laden des Tagebuchs"),
fromOfflineCache = false,
)
}
}
}

4
mobile-app/shared/src/commonMain/kotlin/de/tsschulz/tt_tagebuch/shared/state/DiaryState.kt
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@@ -6,5 +6,9 @@ data class DiaryState(
val dates: List<DiaryDate> = emptyList(),
val isLoading: Boolean = false,
val error: String? = null,
/** Zuletzt erfolgreich geladener Verein (für Offline-Cache). */
val lastLoadedClubId: Int? = null,
/** `true`, wenn die angezeigte Tagebuch-Liste von einem fehlgeschlagenen Refresh stammt. */
val fromOfflineCache: Boolean = false,
)

26
mobile-app/shared/src/commonMain/kotlin/de/tsschulz/tt_tagebuch/shared/state/MembersManager.kt
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@@ -32,7 +32,13 @@ class MembersManager(
val state: StateFlow<MembersState> = _state.asStateFlow()
suspend fun loadMembers(clubId: Int) {
_state.value = _state.value.copy(isLoading = true, error = null)
val prev = _state.value
val base = if (prev.lastLoadedClubId != null && prev.lastLoadedClubId != clubId) {
prev.copy(members = emptyList(), lastLoadedClubId = null, fromOfflineCache = false, error = null)
} else {
prev
}
_state.value = base.copy(isLoading = true, error = null)
try {
val members = membersApi.listMembers(clubId)
val merged = runCatching { trainingStatsApi.getStats(clubId) }
@@ -41,9 +47,23 @@ class MembersManager(
onFailure = { members },
)
.sortedWith(compareBy<Member> { it.lastName.lowercase() }.thenBy { it.firstName.lowercase() })
_state.value = _state.value.copy(members = merged, isLoading = false)
_state.value = base.copy(
members = merged,
isLoading = false,
lastLoadedClubId = clubId,
fromOfflineCache = false,
error = null,
)
} catch (t: Throwable) {
_state.value = _state.value.copy(isLoading = false, error = t.toUserMessage("Mitglieder konnten nicht geladen werden"))
if (base.lastLoadedClubId == clubId && base.members.isNotEmpty()) {
_state.value = base.copy(isLoading = false, fromOfflineCache = true, error = null)
} else {
_state.value = base.copy(
isLoading = false,
error = t.toUserMessage("Mitglieder konnten nicht geladen werden"),
fromOfflineCache = false,
)
}
}
}

2
mobile-app/shared/src/commonMain/kotlin/de/tsschulz/tt_tagebuch/shared/state/MembersState.kt
View File

@@ -6,5 +6,7 @@ data class MembersState(
val members: List<Member> = emptyList(),
val isLoading: Boolean = false,
val error: String? = null,
val lastLoadedClubId: Int? = null,
val fromOfflineCache: Boolean = false,
)