Add /snow command

vector/src/main/java/im/vector/app/features/command/Command.kt

@@ -45,7 +45,8 @@ enum class Command(val command: String, val parameters: String, @StringRes val d
     SHRUG("/shrug", "<message>", R.string.command_description_shrug),
     PLAIN("/plain", "<message>", R.string.command_description_plain),
     DISCARD_SESSION("/discardsession", "", R.string.command_description_discard_session),
-    CONFETTI("/confetti", "<message>", R.string.command_confetti);
+    CONFETTI("/confetti", "<message>", R.string.command_confetti),
+    SNOW("/snow", "<message>", R.string.command_snow);
 
     val length
         get() = command.length + 1

vector/src/main/java/im/vector/app/features/command/CommandParser.kt

@@ -18,6 +18,7 @@ package im.vector.app.features.command
 
 import im.vector.app.core.extensions.isEmail
 import im.vector.app.core.extensions.isMsisdn
+import im.vector.app.features.home.room.detail.ChatEffect
 import org.matrix.android.sdk.api.MatrixPatterns
 import org.matrix.android.sdk.api.session.identity.ThreePid
 import timber.log.Timber
@@ -293,7 +294,11 @@ object CommandParser {
                 }
                 Command.CONFETTI.command               -> {
                     val message = textMessage.substring(Command.CONFETTI.command.length).trim()
-                    ParsedCommand.Confetti(message)
+                    ParsedCommand.SendChatEffect(ChatEffect.CONFETTI, message)
+                }
+                Command.SNOW.command               -> {
+                    val message = textMessage.substring(Command.SNOW.command.length).trim()
+                    ParsedCommand.SendChatEffect(ChatEffect.SNOW, message)
                 }
                 else                                   -> {
                     // Unknown command

vector/src/main/java/im/vector/app/features/command/ParsedCommand.kt

@@ -16,6 +16,7 @@
 
 package im.vector.app.features.command
 
+import im.vector.app.features.home.room.detail.ChatEffect
 import org.matrix.android.sdk.api.session.identity.ThreePid
 
 /**
@@ -55,5 +56,5 @@ sealed class ParsedCommand {
     class SendShrug(val message: CharSequence) : ParsedCommand()
     class SendPoll(val question: String, val options: List<String>) : ParsedCommand()
     object DiscardSession : ParsedCommand()
-    class Confetti(val message: String) : ParsedCommand()
+    class SendChatEffect(val chatEffect: ChatEffect, val message: String) : ParsedCommand()
 }

vector/src/main/java/im/vector/app/features/home/room/detail/ChatEffectManager.kt

@@ -29,6 +29,13 @@ enum class ChatEffect {
     SNOW
 }
 
+fun ChatEffect.toMessageType(): String {
+    return when (this) {
+        ChatEffect.CONFETTI -> MessageType.MSGTYPE_CONFETTI
+        ChatEffect.SNOW     -> MessageType.MSGTYPE_SNOW
+    }
+}
+
 /**
  * A simple chat effect manager helper class
  * Used by the view model to know if an event that become visible should trigger a chat effect.

vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt

@@ -56,7 +56,6 @@ import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.transition.TransitionManager
-import butterknife.BindView
 import com.airbnb.epoxy.EpoxyModel
 import com.airbnb.epoxy.OnModelBuildFinishedListener
 import com.airbnb.epoxy.addGlidePreloader

vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailViewModel.kt

@@ -715,8 +715,8 @@ class RoomDetailViewModel @AssistedInject constructor(
                             _viewEvents.post(RoomDetailViewEvents.SlashCommandHandled())
                             popDraft()
                         }
-                        is ParsedCommand.Confetti                 -> {
+                        is ParsedCommand.SendChatEffect            -> {
-                            room.sendTextMessage(slashCommandResult.message, MessageType.MSGTYPE_CONFETTI)
+                            room.sendTextMessage(slashCommandResult.message, slashCommandResult.chatEffect.toMessageType())
                             _viewEvents.post(RoomDetailViewEvents.SlashCommandHandled())
                             popDraft()
                         }

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

@@ -2571,6 +2571,7 @@
     </plurals>
 
     <string name="command_confetti">Sends the given message with confetti</string>
+    <string name="command_snow">Sends the given message with snow</string>
 
     <string name="unencrypted">Unencrypted</string>
     <string name="encrypted_unverified">Encrypted by an unverified device</string>