Endurain: Fetch and show server version string

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/endurain/EndurainApiClient.kt

@@ -282,4 +282,24 @@ class EndurainApiClient(
             }
         }.start()
     }
+
+    /**
+     * Fetch server version string
+     */
+    fun fetchVersion(): String? {
+        try {
+            val uri = "$baseUrl/api/v1/about".toUri()
+
+            val headers = buildHeaders(AuthType.NONE)
+
+            val result = InternetUtils.doJsonRequest(
+                uri = uri,
+                requestHeaders = headers,
+            )
+            return result?.getString("version")
+        } catch (e: Exception) {
+            LOG.error("Fetching server version error", e)
+            return null
+        }
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/endurain/EndurainPreferencesActivity.kt

@@ -55,6 +55,11 @@ class EndurainPreferencesActivity : AbstractSettingsActivityV2() {
                         updateLogoutPreferenceVisibility()
                     }
                 }
+                vm.fetchServerVersion(server) {
+                    activity?.runOnUiThread {
+                        updateStatus()
+                    }
+                }
             }
         }
 
@@ -121,11 +126,14 @@ class EndurainPreferencesActivity : AbstractSettingsActivityV2() {
             val server = GBApplication.getPrefs().preferences.getString("endurain_server", null)
             val tokenExpiresAt = vm.getTokenExpiresAt()
 
+            var summaryText = "Not logged in, integration is disabled"
             if (vm.isLoggedIn() && server != null) {
-                statusPref?.summary = "Logged in to $server\nAuth token expires: $tokenExpiresAt"
+                summaryText = "Logged in to $server\nAuth token expires: $tokenExpiresAt"
-            } else {
-                statusPref?.summary = "Not logged in, integration is disabled"
             }
+            if (vm.serverVersion != null) {
+                summaryText += "\nServer version: ${vm.serverVersion}"
+            }
+            statusPref?.summary = summaryText
         }
     }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/endurain/EndurainSetupViewModel.kt

@@ -43,6 +43,26 @@ class EndurainSetupViewModel(application: Application) : AndroidViewModel(applic
     var localLoginEnabled = false
     var ssoEnabled = false
     var pendingMfaUsername: String? = null
+    var serverVersion: String? = null
+
+
+    /**
+     * Fetch server version
+     */
+    fun fetchServerVersion(
+        serverUrl: String,
+        callback: (Boolean) -> Unit
+    ) {
+        Thread {
+            try {
+                apiClient = EndurainApiClient(serverUrl, tokenManager)
+                serverVersion = apiClient.fetchVersion()
+            } catch (e: Exception) {
+                LOG.error("Fetching server version error", e)
+                callback(true)
+            }
+        }.start()
+    }
 
     /**
      * Fetch server capabilities to determine available login methods