Update API around brandColor.

features/enterprise/api/src/main/kotlin/io/element/android/features/enterprise/api/EnterpriseService.kt

@@ -23,7 +23,7 @@ interface EnterpriseService {
      * Override the brand color.
      * @param brandColor the color in hex format (#RRGGBBAA or #RRGGBB), or null to reset to default.
      */
-    fun overrideBrandColor(brandColor: String?)
+    suspend fun overrideBrandColor(brandColor: String?)
 
     @Composable
     fun semanticColorsLight(): State<SemanticColors>

features/enterprise/impl-foss/src/main/kotlin/io/element/android/features/enterprise/impl/DefaultEnterpriseService.kt

@@ -32,7 +32,7 @@ class DefaultEnterpriseService : EnterpriseService {
     override fun defaultHomeserverList(): List<String> = emptyList()
     override suspend fun isAllowedToConnectToHomeserver(homeserverUrl: String) = true
 
-    override fun overrideBrandColor(brandColor: String?) = Unit
+    override suspend fun overrideBrandColor(brandColor: String?) = Unit
 
     @Composable
     override fun semanticColorsLight(): State<SemanticColors> {

features/enterprise/test/src/main/kotlin/io/element/android/features/enterprise/test/FakeEnterpriseService.kt

@@ -42,7 +42,7 @@ class FakeEnterpriseService(
         isAllowedToConnectToHomeserverResult(homeserverUrl)
     }
 
-    override fun overrideBrandColor(brandColor: String?) {
+    override suspend fun overrideBrandColor(brandColor: String?) = simulateLongTask {
         overrideBrandColorResult(brandColor)
     }
 

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/developer/DeveloperSettingsPresenter.kt

@@ -135,7 +135,7 @@ class DeveloperSettingsPresenter(
                     }
                     appPreferencesStore.setTracingLogPacks(currentPacks)
                 }
-                is DeveloperSettingsEvents.ChangeBrandColor -> {
+                is DeveloperSettingsEvents.ChangeBrandColor -> coroutineScope.launch {
                     showColorPicker = false
                     val color = event.color?.value?.toHexString(HexFormat.UpperCase)?.substring(2, 8)
                     enterpriseService.overrideBrandColor(color)

features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/developer/DeveloperSettingsPresenterTest.kt

@@ -203,6 +203,7 @@ class DeveloperSettingsPresenterTest {
             assertThat(awaitItem().showColorPicker).isTrue()
             initialState.eventSink(DeveloperSettingsEvents.ChangeBrandColor(Color.Green))
             assertThat(awaitItem().showColorPicker).isFalse()
+            skipItems(1)
             overrideBrandColorResult.assertions().isCalledOnce()
                 .with(value("00FF00"))
         }

libraries/session-storage/api/src/main/kotlin/io/element/android/libraries/sessionstorage/api/SessionStore.kt

@@ -73,3 +73,15 @@ fun List<SessionData>.toUserList(): List<String> {
 fun Flow<List<SessionData>>.toUserListFlow(): Flow<List<String>> {
     return map { it.toUserList() }
 }
+
+/**
+ * @return a flow emitting the userId of the latest session if logged in, null otherwise.
+ */
+fun SessionStore.userIdFlow(): Flow<String?> {
+    return loggedInStateFlow().map {
+        when (it) {
+            is LoggedInState.LoggedIn -> it.sessionId
+            is LoggedInState.NotLoggedIn -> null
+        }
+    }
+}

libraries/wellknown/api/src/main/kotlin/io/element/android/libraries/wellknown/api/ElementWellKnown.kt

@@ -11,4 +11,5 @@ data class ElementWellKnown(
     val registrationHelperUrl: String?,
     val enforceElementPro: Boolean?,
     val rageshakeUrl: String?,
+    val brandColor: String?,
 )

libraries/wellknown/impl/src/main/kotlin/io/element/android/libraries/wellknown/impl/InternalElementWellKnown.kt

@@ -27,4 +27,6 @@ data class InternalElementWellKnown(
     val enforceElementPro: Boolean? = null,
     @SerialName("rageshake_url")
     val rageshakeUrl: String? = null,
+    @SerialName("brand_color")
+    val brandColor: String? = null,
 )

libraries/wellknown/impl/src/main/kotlin/io/element/android/libraries/wellknown/impl/Mapper.kt

@@ -15,6 +15,7 @@ internal fun InternalElementWellKnown.map() = ElementWellKnown(
     registrationHelperUrl = registrationHelperUrl,
     enforceElementPro = enforceElementPro,
     rageshakeUrl = rageshakeUrl,
+    brandColor = brandColor,
 )
 
 internal fun InternalWellKnown.map() = WellKnown(

libraries/wellknown/impl/src/test/kotlin/io/element/android/libraries/wellknown/impl/DefaultSessionWellknownRetrieverTest.kt

@@ -161,6 +161,7 @@ class DefaultSessionWellknownRetrieverTest {
                 registrationHelperUrl = null,
                 enforceElementPro = null,
                 rageshakeUrl = null,
+                brandColor = null,
             )
         )
         getUrlLambda.assertions().isCalledOnce()
@@ -175,7 +176,8 @@ class DefaultSessionWellknownRetrieverTest {
                     """{
                     "registration_helper_url": "a_registration_url",
                     "enforce_element_pro": true,
-                    "rageshake_url": "a_rageshake_url"
+                    "rageshake_url": "a_rageshake_url",
+                    "brand_color": "#FF0000"
                 }""".trimIndent().toByteArray()
                 )
             }
@@ -185,6 +187,7 @@ class DefaultSessionWellknownRetrieverTest {
                 registrationHelperUrl = "a_registration_url",
                 enforceElementPro = true,
                 rageshakeUrl = "a_rageshake_url",
+                brandColor = "#FF0000",
             )
         )
     }
@@ -208,6 +211,7 @@ class DefaultSessionWellknownRetrieverTest {
                 registrationHelperUrl = "a_registration_url",
                 enforceElementPro = true,
                 rageshakeUrl = "a_rageshake_url",
+                brandColor = null,
             )
         )
     }

libraries/wellknown/test/src/main/kotlin/io/element/android/features/wellknown/test/Fixtures.kt

@@ -13,8 +13,10 @@ fun anElementWellKnown(
     registrationHelperUrl: String? = null,
     enforceElementPro: Boolean? = null,
     rageshakeUrl: String? = null,
+    brandColor: String? = null,
 ) = ElementWellKnown(
     registrationHelperUrl = registrationHelperUrl,
     enforceElementPro = enforceElementPro,
     rageshakeUrl = rageshakeUrl,
+    brandColor = brandColor,
 )