feat: check for internet connection before sending API requests

app/src/main/java/ru/risdeveau/pixeldragon/db/Common.kt

@@ -10,6 +10,7 @@ import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.TypeConverter
 import splitties.init.appCtx
+import splitties.systemservices.connectivityManager
 import java.time.Instant
 
 @Database(entities = [RoomDB::class, SpaceToRoom::class, UserDB::class], version = 1)
@@ -30,6 +31,8 @@ class Converters {
     }
 }
 
+fun isConnected(): Boolean = connectivityManager.isDefaultNetworkActive
+
 val cacheDb = Room.databaseBuilder(
     appCtx,
     AppDatabase::class.java, "cache"

app/src/main/java/ru/risdeveau/pixeldragon/repo/Room.kt

@@ -8,6 +8,7 @@ package ru.risdeveau.pixeldragon.repo
 import ru.risdeveau.pixeldragon.api.getJoinedRooms
 import ru.risdeveau.pixeldragon.api.getRoom
 import ru.risdeveau.pixeldragon.db.cacheDb
+import ru.risdeveau.pixeldragon.db.isConnected
 import ru.risdeveau.pixeldragon.db.isExpired
 import ru.risdeveau.pixeldragon.db.toDomain
 import ru.risdeveau.pixeldragon.db.toEntity
@@ -27,7 +28,9 @@ class Room (
     companion object {
         suspend fun getById(id: String, cached: Boolean = true): Room {
             val cachedRoom = cacheDb.roomDoa().getById(id)
-            if ((cachedRoom == null) or (cachedRoom?.isExpired() == true)) {
+            if (!isConnected() and
+                (!cached or (cachedRoom == null) or (cachedRoom?.isExpired() == true))
+            ) {
                 val room = getRoom(id)
                 val cacheRoom = room.toEntity()
                 cacheDb.roomDoa().insert(cacheRoom)
@@ -38,7 +41,7 @@ class Room (
 
         suspend fun getJoined(cached: Boolean = true): List<Room> {
             val cacheJoined = cacheDb.roomDoa().getAllJoined()
-            if (cacheJoined.isEmpty()) {
+            if (!isConnected() and cacheJoined.isEmpty()) {
                 return getJoinedRooms()
             }
             return List(cacheJoined.size) { i -> cacheJoined[i].toDomain() }

app/src/main/java/ru/risdeveau/pixeldragon/repo/User.kt

@@ -9,6 +9,7 @@ import android.util.Log
 import org.json.JSONObject
 import ru.risdeveau.pixeldragon.api.getUserProfile
 import ru.risdeveau.pixeldragon.db.cacheDb
+import ru.risdeveau.pixeldragon.db.isConnected
 import ru.risdeveau.pixeldragon.db.isExpired
 import ru.risdeveau.pixeldragon.db.toDomain
 import ru.risdeveau.pixeldragon.db.toEntity
@@ -20,9 +21,11 @@ class User (
     val attrs: JSONObject
 ) {
     companion object {
-        suspend fun getById(id: String): User? {
+        suspend fun getById(id: String, cached: Boolean = true): User? {
             val cachedUser = cacheDb.userDoa().getById(id)
-            if ((cachedUser == null) or (cachedUser?.isExpired() == true)) {
+            if (!isConnected() and
+                (!cached or (cachedUser == null) or (cachedUser?.isExpired() == true))
+            ) {
                 val userProfile = getUserProfile(id)
                 if (userProfile == null) {
                     Log.i("User.getById", "User $id not found")