add connetivity banners

app/src/main/java/sh/sar/basedbank/api/bml/BmlAccountClient.kt

@@ -2,6 +2,7 @@ package sh.sar.basedbank.api.bml
 
 import org.json.JSONObject
 import sh.sar.basedbank.api.models.BankAccount
+import sh.sar.basedbank.api.models.BankServerException
 
 data class BmlUserInfo(
     val fullName: String,
@@ -27,6 +28,7 @@ class BmlAccountClient {
         val json = resp.body?.string()
         resp.close()
         if (code == 401 || code == 419) throw AuthExpiredException()
+        if (code in 500..599) throw BankServerException("BML")
         return parseDashboard(json ?: return emptyList(), loginTag, profileName, profileId)
     }
 
@@ -36,6 +38,7 @@ class BmlAccountClient {
         val code = resp.code
         resp.close()
         if (code == 401 || code == 419) throw AuthExpiredException()
+        if (code in 500..599) throw BankServerException("BML")
     }
 
     fun fetchUserInfo(session: BmlSession): BmlUserInfo? {

app/src/main/java/sh/sar/basedbank/api/fahipay/FahipayAccountClient.kt

@@ -4,6 +4,7 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.json.JSONObject
 import sh.sar.basedbank.api.models.BankAccount
+import sh.sar.basedbank.api.models.BankServerException
 import java.util.concurrent.TimeUnit
 
 class FahipayAccountClient {
@@ -27,8 +28,10 @@ class FahipayAccountClient {
             Request.Builder().url("$BASE_URL/actions/getprofile/?lang=en")
                 .auth(session).build()
         ).execute()
+        val code = resp.code
         val json = resp.body?.string() ?: throw Exception("Empty profile response")
         resp.close()
+        if (code in 500..599) throw BankServerException("Fahipay")
         val obj = JSONObject(json)
         val props = obj.optJSONObject("props") ?: JSONObject()
         return FahipayUserProfile(
@@ -47,8 +50,10 @@ class FahipayAccountClient {
             Request.Builder().url("$BASE_URL/actions/getbalance/?lang=en")
                 .auth(session).build()
         ).execute()
+        val code = resp.code
         val json = resp.body?.string() ?: return 0.0
         resp.close()
+        if (code in 500..599) throw BankServerException("Fahipay")
         return try {
             val obj = JSONObject(json)
             if (obj.optBoolean("error")) 0.0 else obj.optDouble("balance", 0.0)

app/src/main/java/sh/sar/basedbank/api/mib/MibLoginFlow.kt

@@ -373,6 +373,7 @@ class MibLoginFlow(private val credentialStore: CredentialStore) {
             .build()
         val response = client.newCall(request).execute()
         if (response.code == 419) throw SessionExpiredException()
+        if (response.code in 500..599) throw sh.sar.basedbank.api.models.BankServerException("MIB")
         return response.body?.string() ?: throw IllegalStateException("Empty response body")
     }
 

app/src/main/java/sh/sar/basedbank/api/models/BankModels.kt

@@ -1,5 +1,8 @@
 package sh.sar.basedbank.api.models
 
+/** Thrown by a bank API client when the server returns an HTTP 5xx response. */
+class BankServerException(val bankName: String) : Exception("Server error from $bankName")
+
 /**
  * Unified account model used across all banks (MIB, BML, Fahipay, ...).
  * The [bank] field identifies which bank owns this account.