Duck chat: Search Assist link feature (#6132)

Task/Issue URL:
https://app.asana.com/1/137249556945/project/1207418217763355/task/1210188925025667?focus=true

### Description

This PR adds the Search Assist settings link to Duck.AI settings.

### Steps to test this PR

QA-optional, this is just a feature branch and it's already been tested.

---------

Co-authored-by: Dax The Translator <daxmobile@duckduckgo.com>

Author: 0nko

common/common-ui/src/main/res/drawable/ic_assist_24.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M15.624,2.496c-0.162,-0.65 -1.085,-0.65 -1.248,0l-0.38,1.52a5.47,5.47 0,0 1,-3.98 3.98l-1.52,0.38c-0.649,0.162 -0.649,1.086 0,1.248l1.52,0.38a5.47,5.47 0,0 1,3.98 3.98l0.38,1.52c0.163,0.65 1.086,0.65 1.248,0l0.38,-1.52a5.47,5.47 0,0 1,3.98 -3.98l1.52,-0.38c0.65,-0.162 0.65,-1.086 0,-1.248l-1.52,-0.38a5.47,5.47 0,0 1,-3.98 -3.98l-0.38,-1.52ZM6.984,7.634C7.124,7.46 6.992,7 6.769,7L2.75,7a0.75,0.75 0,0 0,0 1.5h3.417c0.233,0 0.43,-0.164 0.522,-0.379 0.075,-0.173 0.173,-0.338 0.295,-0.487Z"
+      android:fillColor="?attr/daxColorPrimaryIcon"/>
+  <path
+      android:pathData="M12.06,13.214a0.463,0.463 0,0 0,-0.399 -0.214h-8.91a0.75,0.75 0,0 0,0 1.5h9.188c0.325,0 0.566,-0.307 0.45,-0.611a4.038,4.038 0,0 0,-0.329 -0.675ZM18,19.75a0.75,0.75 0,0 1,-0.75 0.75H2.75a0.75,0.75 0,0 1,0 -1.5h14.5a0.75,0.75 0,0 1,0.75 0.75Z"
+      android:fillColor="?attr/daxColorPrimaryIcon"/>
+</vector>

duckchat/duckchat-impl/src/main/java/com/duckduckgo/duckchat/impl/pixel/DuckChatDailyPixelSender.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2025 DuckDuckGo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.duckduckgo.duckchat.impl.pixel
+
+import androidx.annotation.UiThread
+import androidx.lifecycle.LifecycleOwner
+import com.duckduckgo.app.di.AppCoroutineScope
+import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
+import com.duckduckgo.app.statistics.pixels.Pixel
+import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter
+import com.duckduckgo.app.statistics.pixels.Pixel.PixelType.Daily
+import com.duckduckgo.common.utils.DispatcherProvider
+import com.duckduckgo.di.scopes.AppScope
+import com.duckduckgo.duckchat.impl.repository.DuckChatFeatureRepository
+import com.squareup.anvil.annotations.ContributesMultibinding
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+
+@ContributesMultibinding(
+    scope = AppScope::class,
+    boundType = MainProcessLifecycleObserver::class,
+)
+class DuckChatDailyPixelSender @Inject constructor(
+    private val pixel: Pixel,
+    private val duckChatFeatureRepository: DuckChatFeatureRepository,
+    private val dispatcherProvider: DispatcherProvider,
+    @AppCoroutineScope private val coroutineScope: CoroutineScope,
+) : MainProcessLifecycleObserver {
+
+    @UiThread
+    override fun onStart(owner: LifecycleOwner) {
+        coroutineScope.launch(dispatcherProvider.io()) {
+            pixel.fire(
+                pixel = DuckChatPixelName.DUCK_CHAT_IS_ENABLED_DAILY,
+                parameters = mapOf(PixelParameter.IS_ENABLED to duckChatFeatureRepository.isDuckChatUserEnabled().toString()),
+                type = Daily(),
+            )
+            pixel.fire(
+                pixel = DuckChatPixelName.DUCK_CHAT_BROWSER_MENU_IS_ENABLED_DAILY,
+                parameters = mapOf(PixelParameter.IS_ENABLED to duckChatFeatureRepository.shouldShowInBrowserMenu().toString()),
+                type = Daily(),
+            )
+            pixel.fire(
+                pixel = DuckChatPixelName.DUCK_CHAT_ADDRESS_BAR_IS_ENABLED_DAILY,
+                parameters = mapOf(PixelParameter.IS_ENABLED to duckChatFeatureRepository.shouldShowInAddressBar().toString()),
+                type = Daily(),
+            )
+        }
+    }
+}

duckchat/duckchat-impl/src/main/java/com/duckduckgo/duckchat/impl/pixel/DuckChatPixels.kt

@@ -20,7 +20,10 @@ import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.common.utils.plugins.pixel.PixelParamRemovalPlugin
 import com.duckduckgo.common.utils.plugins.pixel.PixelParamRemovalPlugin.PixelParameter
 import com.duckduckgo.di.scopes.AppScope
+import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_ADDRESS_BAR_IS_ENABLED_DAILY
+import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_BROWSER_MENU_IS_ENABLED_DAILY
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_EXPERIMENT_SEARCHBAR_BUTTON_OPEN
+import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_IS_ENABLED_DAILY
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_MENU_SETTING_OFF
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_MENU_SETTING_ON
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_OPEN
@@ -29,6 +32,7 @@ import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_OPEN_NEW_T
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SEARCHBAR_BUTTON_OPEN
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SEARCHBAR_SETTING_OFF
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SEARCHBAR_SETTING_ON
+import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SEARCH_ASSIST_SETTINGS_BUTTON_CLICKED
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SETTINGS_DISPLAYED
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_SETTINGS_PRESSED
 import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName.DUCK_CHAT_USER_DISABLED
@@ -50,6 +54,10 @@ enum class DuckChatPixelName(override val pixelName: String) : Pixel.PixelName {
     DUCK_CHAT_SETTINGS_DISPLAYED("m_aichat_settings_displayed"),
     DUCK_CHAT_SEARCHBAR_BUTTON_OPEN("aichat_searchbar_button_open"),
     DUCK_CHAT_EXPERIMENT_SEARCHBAR_BUTTON_OPEN("aichat_experiment_searchbar_button_open"),
+    DUCK_CHAT_IS_ENABLED_DAILY("aichat_is_enabled_daily"),
+    DUCK_CHAT_BROWSER_MENU_IS_ENABLED_DAILY("aichat_browser_menu_is_enabled_daily"),
+    DUCK_CHAT_ADDRESS_BAR_IS_ENABLED_DAILY("aichat_address_bar_is_enabled_daily"),
+    DUCK_CHAT_SEARCH_ASSIST_SETTINGS_BUTTON_CLICKED("aichat_search_assist_settings_button_clicked"),
 }
 
 @ContributesMultibinding(AppScope::class)
@@ -69,6 +77,10 @@ class DuckChatParamRemovalPlugin @Inject constructor() : PixelParamRemovalPlugin
             DUCK_CHAT_SETTINGS_DISPLAYED.pixelName to PixelParameter.removeAtb(),
             DUCK_CHAT_SEARCHBAR_BUTTON_OPEN.pixelName to PixelParameter.removeAtb(),
             DUCK_CHAT_EXPERIMENT_SEARCHBAR_BUTTON_OPEN.pixelName to PixelParameter.removeAtb(),
+            DUCK_CHAT_IS_ENABLED_DAILY.pixelName to PixelParameter.removeAtb(),
+            DUCK_CHAT_BROWSER_MENU_IS_ENABLED_DAILY.pixelName to PixelParameter.removeAtb(),
+            DUCK_CHAT_ADDRESS_BAR_IS_ENABLED_DAILY.pixelName to PixelParameter.removeAtb(),
+            DUCK_CHAT_SEARCH_ASSIST_SETTINGS_BUTTON_CLICKED.pixelName to PixelParameter.removeAtb(),
         )
     }
 }

duckchat/duckchat-impl/src/main/java/com/duckduckgo/duckchat/impl/ui/DuckChatSettingsActivity.kt

@@ -26,6 +26,7 @@ import androidx.lifecycle.lifecycleScope
 import com.duckduckgo.anvil.annotations.ContributeToActivityStarter
 import com.duckduckgo.anvil.annotations.InjectWith
 import com.duckduckgo.app.statistics.pixels.Pixel
+import com.duckduckgo.app.tabs.BrowserNav
 import com.duckduckgo.browser.api.ui.BrowserScreens.WebViewActivityWithParams
 import com.duckduckgo.common.ui.DuckDuckGoActivity
 import com.duckduckgo.common.ui.spans.DuckDuckGoClickableSpan
@@ -67,6 +68,9 @@ class DuckChatSettingsActivity : DuckDuckGoActivity() {
     @Inject
     lateinit var globalActivityStarter: GlobalActivityStarter
 
+    @Inject
+    lateinit var browserNav: BrowserNav
+
     @Inject
     lateinit var pixel: Pixel
 
@@ -118,19 +122,25 @@ class DuckChatSettingsActivity : DuckDuckGoActivity() {
             isVisible = viewState.shouldShowAddressBarToggle
             quietlySetIsChecked(viewState.showInAddressBar, addressBarToggleListener)
         }
+        binding.showDuckChatSearchSettingsLink.setOnClickListener {
+            viewModel.duckChatSearchAISettingsClicked()
+        }
     }
 
     private fun processCommand(command: DuckChatSettingsViewModel.Command) {
         when (command) {
-            is DuckChatSettingsViewModel.Command.OpenLearnMore -> {
+            is DuckChatSettingsViewModel.Command.OpenLink -> {
                 globalActivityStarter.start(
                     this,
                     WebViewActivityWithParams(
-                        url = command.learnMoreLink,
+                        url = command.link,
                         screenTitle = getString(R.string.duck_chat_title),
                     ),
                 )
             }
+            is DuckChatSettingsViewModel.Command.OpenLinkInNewTab -> {
+                startActivity(browserNav.openInNewTab(this@DuckChatSettingsActivity, command.link))
+            }
         }
     }
 }

duckchat/duckchat-impl/src/main/java/com/duckduckgo/duckchat/impl/ui/DuckChatSettingsViewModel.kt

@@ -19,9 +19,12 @@ package com.duckduckgo.duckchat.impl.ui
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.duckduckgo.anvil.annotations.ContributesViewModel
+import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.di.scopes.ActivityScope
 import com.duckduckgo.duckchat.impl.DuckChatInternal
-import com.duckduckgo.duckchat.impl.ui.DuckChatSettingsViewModel.Command.OpenLearnMore
+import com.duckduckgo.duckchat.impl.pixel.DuckChatPixelName
+import com.duckduckgo.duckchat.impl.ui.DuckChatSettingsViewModel.Command.OpenLink
+import com.duckduckgo.duckchat.impl.ui.DuckChatSettingsViewModel.Command.OpenLinkInNewTab
 import javax.inject.Inject
 import kotlinx.coroutines.channels.BufferOverflow.DROP_OLDEST
 import kotlinx.coroutines.channels.Channel
@@ -34,6 +37,7 @@ import kotlinx.coroutines.launch
 @ContributesViewModel(ActivityScope::class)
 class DuckChatSettingsViewModel @Inject constructor(
     private val duckChat: DuckChatInternal,
+    private val pixel: Pixel,
 ) : ViewModel() {
 
     private val commandChannel = Channel<Command>(capacity = 1, onBufferOverflow = DROP_OLDEST)
@@ -62,7 +66,8 @@ class DuckChatSettingsViewModel @Inject constructor(
     }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), ViewState())
 
     sealed class Command {
-        data class OpenLearnMore(val learnMoreLink: String) : Command()
+        data class OpenLink(val link: String) : Command()
+        data class OpenLinkInNewTab(val link: String) : Command()
     }
 
     fun onDuckChatUserEnabledToggled(checked: Boolean) {
@@ -85,7 +90,19 @@ class DuckChatSettingsViewModel @Inject constructor(
 
     fun duckChatLearnMoreClicked() {
         viewModelScope.launch {
-            commandChannel.send(OpenLearnMore("https://duckduckgo.com/duckduckgo-help-pages/aichat/"))
+            commandChannel.send(OpenLink(DUCK_CHAT_LEARN_MORE_LINK))
         }
     }
+
+    fun duckChatSearchAISettingsClicked() {
+        viewModelScope.launch {
+            commandChannel.send(OpenLinkInNewTab(DUCK_CHAT_SEARCH_AI_SETTINGS_LINK))
+            pixel.fire(DuckChatPixelName.DUCK_CHAT_SEARCH_ASSIST_SETTINGS_BUTTON_CLICKED)
+        }
+    }
+
+    companion object {
+        const val DUCK_CHAT_LEARN_MORE_LINK = "https://duckduckgo.com/duckduckgo-help-pages/aichat/"
+        const val DUCK_CHAT_SEARCH_AI_SETTINGS_LINK = "https://duckduckgo.com/settings?ko=-1#aifeatures"
+    }
 }

duckchat/duckchat-impl/src/main/res/layout/activity_duck_chat_settings.xml

@@ -97,6 +97,23 @@
                 android:layout_height="wrap_content"
                 app:primaryText="@string/duck_chat_address_bar_visibility_setting"
                 app:showSwitch="true"/>
+
+            <com.duckduckgo.common.ui.view.divider.HorizontalDivider
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:id="@+id/divider2"/>
+
+            <com.duckduckgo.common.ui.view.listitem.TwoLineListItem
+                android:id="@+id/showDuckChatSearchSettingsLink"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:primaryText="@string/duck_chat_assist_settings_title"
+                app:secondaryText="@string/duck_chat_assist_settings_description"
+                app:leadingIcon="@drawable/ic_assist_24"
+                app:leadingIconBackground="circular"
+                app:showSwitch="false"/>
+
+
         </LinearLayout>
     </ScrollView>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

duckchat/duckchat-impl/src/main/res/values-bg/strings-duckchat.xml

@@ -27,4 +27,6 @@
     <string name="duck_chat_show_in_heading">Бързи Връзки</string>
     <string name="duck_chat_visibility_setting">Меню на браузъра</string>
     <string name="duck_chat_address_bar_visibility_setting">Адресна лента</string>
+    <string name="duck_chat_assist_settings_title">Настройки на Assist</string>
+    <string name="duck_chat_assist_settings_description">Изберете колко често искате да се появяват отговори, подпомагани от изкуствен интелект, в търсенето</string>
 </resources>

duckchat/duckchat-impl/src/main/res/values-cs/strings-duckchat.xml

@@ -27,4 +27,6 @@
     <string name="duck_chat_show_in_heading">Zkratky</string>
     <string name="duck_chat_visibility_setting">Menu prohlížeče</string>
     <string name="duck_chat_address_bar_visibility_setting">Adresní řádek</string>
+    <string name="duck_chat_assist_settings_title">Nastavení funkce Assist</string>
+    <string name="duck_chat_assist_settings_description">Vyber, jak často chceš, aby se odpovědi s podporou umělé inteligence zobrazovaly ve tvých vyhledáváních</string>
 </resources>

duckchat/duckchat-impl/src/main/res/values-da/strings-duckchat.xml

@@ -27,4 +27,6 @@
     <string name="duck_chat_show_in_heading">Genveje</string>
     <string name="duck_chat_visibility_setting">Browsermenu</string>
     <string name="duck_chat_address_bar_visibility_setting">Adresselinje</string>
+    <string name="duck_chat_assist_settings_title">Assist-indstillinger</string>
+    <string name="duck_chat_assist_settings_description">Vælg, hvor ofte du vil have AI-assisterede svar til at optræde i dine søgninger</string>
 </resources>

duckchat/duckchat-impl/src/main/res/values-de/strings-duckchat.xml

@@ -27,4 +27,6 @@
     <string name="duck_chat_show_in_heading">Shortcuts</string>
     <string name="duck_chat_visibility_setting">Browsermenü</string>
     <string name="duck_chat_address_bar_visibility_setting">Adresszeile</string>
+    <string name="duck_chat_assist_settings_title">Assist-Einstellungen</string>
+    <string name="duck_chat_assist_settings_description">Du kannst auswählen, wie oft KI-gestützte Antworten in deinen Suchergebnissen angezeigt werden sollen.</string>
 </resources>