Add @all and @here when suggesting members

app/src/main/java/chat/rocket/android/chatroom/adapter/PeopleSuggestionsAdapter.kt

 package chat.rocket.android.chatroom.adapter
 
 import DrawableHelper
+import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -16,7 +17,30 @@ import chat.rocket.android.widget.autocompletion.ui.SuggestionsAdapter
 import chat.rocket.common.model.UserStatus
 import com.facebook.drawee.view.SimpleDraweeView
 
-class PeopleSuggestionsAdapter : SuggestionsAdapter<PeopleSuggestionViewHolder>("@") {
+class PeopleSuggestionsAdapter(context: Context) : SuggestionsAdapter<PeopleSuggestionViewHolder>("@") {
+
+    init {
+        val allDescription = context.getString(R.string.suggest_all_description)
+        val hereDescription = context.getString(R.string.suggest_here_description)
+        val pinnedList = listOf(
+                PeopleViewModel(imageUri = null,
+                        text = "all",
+                        username = "all",
+                        name = allDescription,
+                        status = null,
+                        pinned = false,
+                        searchList = listOf("all")),
+                PeopleViewModel(imageUri = null,
+                        text = "here",
+                        username = "here",
+                        name = hereDescription,
+                        status = null,
+                        pinned = false,
+                        searchList = listOf("here"))
+        )
+        setPinnedSuggestions(pinnedList)
+    }
+
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PeopleSuggestionViewHolder {
         val view = LayoutInflater.from(parent.context).inflate(R.layout.suggestion_member_item, parent,
                 false)
@@ -34,15 +58,19 @@ class PeopleSuggestionsAdapter : SuggestionsAdapter<PeopleSuggestionViewHolder>(
                 val statusView = itemView.findViewById<ImageView>(R.id.image_status)
                 username.text = item.username
                 name.text = item.name
-                if (item.imageUri.isEmpty()) {
+                if (item.imageUri?.isEmpty() != false) {
                     avatar.setVisible(false)
                 } else {
                     avatar.setVisible(true)
                     avatar.setImageURI(item.imageUri)
                 }
-                val status = item.status ?: UserStatus.Offline()
+                val status = item.status
+                if (status != null) {
                     val statusDrawable = DrawableHelper.getUserStatusDrawable(status, itemView.context)
                     statusView.setImageDrawable(statusDrawable)
+                } else {
+                    statusView.setVisible(false)
+                }
                 setOnClickListener {
                     itemClickListener?.onClick(item)
                 }

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -493,7 +493,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
 
     private fun setupSuggestionsView() {
         suggestions_view.anchor(text_message)
-                .bindTokenAdapter(PeopleSuggestionsAdapter())
+                .bindTokenAdapter(PeopleSuggestionsAdapter(context!!))
                 .bindTokenAdapter(RoomSuggestionsAdapter())
                 .addSuggestionProviderAction("@") { query ->
                     if (query.isNotEmpty()) {

app/src/main/java/chat/rocket/android/chatroom/viewmodel/PeopleViewModel.kt

@@ -3,7 +3,7 @@ package chat.rocket.android.chatroom.viewmodel
 import chat.rocket.android.widget.autocompletion.model.SuggestionModel
 import chat.rocket.common.model.UserStatus
 
-class PeopleViewModel(val imageUri: String,
+class PeopleViewModel(val imageUri: String?,
                       text: String,
                       val username: String,
                       val name: String,

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/CompletionStrategy.kt

@@ -6,5 +6,6 @@ interface CompletionStrategy {
     fun getItem(prefix: String, position: Int): SuggestionModel
     fun autocompleteItems(prefix: String): List<SuggestionModel>
     fun addAll(list: List<SuggestionModel>)
+    fun addPinned(list: List<SuggestionModel>)
     fun size(): Int
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/regex/StringMatchingCompletionStrategy.kt

@@ -6,23 +6,30 @@ import java.util.concurrent.CopyOnWriteArrayList
 
 internal class StringMatchingCompletionStrategy : CompletionStrategy {
     private val list = CopyOnWriteArrayList<SuggestionModel>()
+    private val pinnedList = mutableListOf<SuggestionModel>()
 
     override fun autocompleteItems(prefix: String): List<SuggestionModel> {
-        return list.filter {
+        val partialResult = list.filter {
             it.searchList.forEach { word ->
                 if (word.contains(prefix, ignoreCase = true)) {
                     return@filter true
                 }
             }
             false
-        }.sortedByDescending { it.pinned }.take(5)
+        }.sortedByDescending { it.pinned }
+        val result = partialResult.take(5).toMutableList()
+        result.addAll(pinnedList)
+        return result.toList()
     }
 
     override fun addAll(list: List<SuggestionModel>) {
-//        this.list.removeAll { !it.pinned }
         this.list.addAllAbsent(list)
     }
 
+    override fun addPinned(list: List<SuggestionModel>) {
+        this.pinnedList.addAll(list)
+    }
+
     override fun getItem(prefix: String, position: Int): SuggestionModel {
         return list[position]
     }

app/src/main/java/chat/rocket/android/widget/autocompletion/strategy/trie/TrieCompletionStrategy.kt

@@ -27,5 +27,9 @@ class TrieCompletionStrategy : CompletionStrategy {
         }
     }
 
+    override fun addPinned(list: List<SuggestionModel>) {
+
+    }
+
     override fun size() = items.size
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/SuggestionsAdapter.kt

@@ -12,9 +12,10 @@ abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(val token: Stri
     private var itemType: Type? = null
     private var itemClickListener: ItemClickListener? = null
     private var providerExternal: ((query: String) -> Unit)? = null
+    private var pinnedSuggestions: List<SuggestionModel>? = null
     private var prefix: String by Delegates.observable("", { _, _, _ ->
         strategy.autocompleteItems(prefix)
-        notifyItemRangeChanged(0, 5)
+        notifyDataSetChanged()
     })
 
     init {
@@ -35,6 +36,15 @@ abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(val token: Stri
         return strategy.autocompleteItems(prefix)[position]
     }
 
+    /**
+     * Set suggestions that should always appear when prompted.
+     *
+     * @param suggestions The list of suggestions that will be pinned.
+     */
+    fun setPinnedSuggestions(suggestions: List<SuggestionModel>) {
+        this.strategy.addPinned(suggestions)
+    }
+
     fun autocomplete(prefix: String) {
         this.prefix = prefix.toLowerCase().trim()
     }

app/src/main/java/chat/rocket/android/widget/autocompletion/ui/SuggestionsView.kt

@@ -94,7 +94,7 @@ class SuggestionsView : FrameLayout, TextWatcher {
 
         if (new.startsWith(" ")) {
             // just halts the completion execution
-            cancelSuggestions(false)
+            cancelSuggestions(true)
             return
         }
 

app/src/main/res/layout/suggestion_member_item.xml

@@ -6,9 +6,9 @@
     android:layout_height="wrap_content"
     android:layout_marginBottom="2dp"
     android:layout_marginEnd="2dp"
-    android:layout_marginLeft="4dp"
+    android:layout_marginLeft="8dp"
     android:layout_marginRight="2dp"
-    android:layout_marginStart="4dp"
+    android:layout_marginStart="8dp"
     android:layout_marginTop="2dp"
     android:background="@color/suggestion_background_color">
 
@@ -22,7 +22,8 @@
             android:id="@+id/image_avatar"
             android:layout_width="24dp"
             android:layout_height="24dp"
-            android:layout_margin="4dp"
+            android:layout_marginTop="4dp"
+            android:layout_marginBottom="4dp"
             app:roundedCornerRadius="3dp"
             tools:src="@tools:sample/avatars" />
 

app/src/main/res/values-pt-rBR/strings.xml

@@ -117,4 +117,8 @@
     <string name="status_authenticating">autenticando</string>
     <string name="status_disconnecting">desconectando</string>
     <string name="status_waiting">conectando em %d segundos</string>
+
+    <!--Suggestions-->
+    <string name="suggest_all_description">Notifica todos nesta sala</string>
+    <string name="suggest_here_description">Notifica usuários ativos nesta sala</string>
 </resources>
\ No newline at end of file

app/src/main/res/values/strings.xml

@@ -119,4 +119,8 @@
     <string name="status_disconnecting">disconnecting</string>
     <string name="status_waiting">connecting in %d seconds</string>
 
+    <!--Suggestions-->
+    <string name="suggest_all_description">Notify all in this room</string>
+    <string name="suggest_here_description">Notify active users in this room</string>
+
 </resources>
\ No newline at end of file