Add components to webhook builders

rest/src/main/kotlin/builder/webhook/EditWebhookMessageBuilder.kt

@@ -1,9 +1,12 @@
 package dev.kord.rest.builder.webhook
 
+import dev.kord.common.annotation.KordPreview
 import dev.kord.common.entity.AllowedMentions
 import dev.kord.common.entity.optional.Optional
 import dev.kord.common.entity.optional.delegate.delegate
 import dev.kord.rest.builder.RequestBuilder
+import dev.kord.rest.builder.component.ActionRowBuilder
+import dev.kord.rest.builder.component.MessageComponentBuilder
 import dev.kord.rest.builder.message.EmbedBuilder
 import dev.kord.rest.json.request.MultipartWebhookEditMessageRequest
 import dev.kord.rest.json.request.WebhookEditMessageRequest
@@ -28,6 +31,8 @@ class EditWebhookMessageBuilder : RequestBuilder<MultipartWebhookEditMessageRequ
     private var _allowedMentions: Optional<AllowedMentions> = Optional.Missing()
     var allowedMentions: AllowedMentions? by ::_allowedMentions.delegate()
 
+    val components: MutableList<MessageComponentBuilder> = mutableListOf()
+
     @OptIn(ExperimentalContracts::class)
     inline fun embed(builder: EmbedBuilder.() -> Unit) {
         contract {
@@ -44,10 +49,22 @@ class EditWebhookMessageBuilder : RequestBuilder<MultipartWebhookEditMessageRequ
         addFile(path.fileName.toString(), Files.newInputStream(path))
     }
 
+    @OptIn(ExperimentalContracts::class)
+    @KordPreview
+    inline fun <T> actionRow(builder: ActionRowBuilder.() -> Unit) {
+        contract {
+            callsInPlace(builder, InvocationKind.EXACTLY_ONCE)
+        }
+
+        components.add(ActionRowBuilder().apply(builder))
+    }
 
     override fun toRequest(): MultipartWebhookEditMessageRequest = MultipartWebhookEditMessageRequest(
         WebhookEditMessageRequest(
-            _content, Optional.missingOnEmpty(embeds.map(EmbedBuilder::toRequest)), _allowedMentions
+            _content,
+            Optional.missingOnEmpty(embeds.map(EmbedBuilder::toRequest)),
+            _allowedMentions,
+            Optional.missingOnEmpty(components.map { it.build() })
         ),
         files
     )

rest/src/main/kotlin/builder/webhook/ExecuteWebhookBuilder.kt

@@ -1,11 +1,14 @@
 package dev.kord.rest.builder.webhook
 
 import dev.kord.common.annotation.KordDsl
+import dev.kord.common.annotation.KordPreview
 import dev.kord.common.entity.optional.Optional
 import dev.kord.common.entity.optional.OptionalBoolean
 import dev.kord.common.entity.optional.delegate.delegate
 import dev.kord.common.entity.optional.map
 import dev.kord.rest.builder.RequestBuilder
+import dev.kord.rest.builder.component.ActionRowBuilder
+import dev.kord.rest.builder.component.MessageComponentBuilder
 import dev.kord.rest.builder.message.AllowedMentionsBuilder
 import dev.kord.rest.builder.message.EmbedBuilder
 import dev.kord.rest.json.request.EmbedRequest
@@ -39,10 +42,12 @@ class ExecuteWebhookBuilder : RequestBuilder<MultiPartWebhookExecuteRequest> {
 
     var embeds: MutableList<EmbedRequest> = mutableListOf()
 
-
     private var _allowedMentions: Optional<AllowedMentionsBuilder> = Optional.Missing()
     var allowedMentions: AllowedMentionsBuilder? by ::_allowedMentions.delegate()
 
+    @OptIn(KordPreview::class)
+    val components: MutableList<MessageComponentBuilder> = mutableListOf()
+
     fun addFile(name: String, content: InputStream) {
         files += name to content
     }
@@ -68,14 +73,27 @@ class ExecuteWebhookBuilder : RequestBuilder<MultiPartWebhookExecuteRequest> {
         allowedMentions = (allowedMentions ?: AllowedMentionsBuilder()).apply(block)
     }
 
+    @OptIn(ExperimentalContracts::class)
+    @KordPreview
+    inline fun <T> actionRow(builder: ActionRowBuilder.() -> Unit) {
+        contract {
+            callsInPlace(builder, InvocationKind.EXACTLY_ONCE)
+        }
+
+        components.add(ActionRowBuilder().apply(builder))
+    }
+
+    @OptIn(KordPreview::class)
     override fun toRequest(): MultiPartWebhookExecuteRequest = MultiPartWebhookExecuteRequest(
         WebhookExecuteRequest(
             _content,
             _username,
             _avatarUrl,
             _tts,
             Optional.missingOnEmpty(embeds),
-            _allowedMentions.map { it.build() }),
+            _allowedMentions.map { it.build() },
+            Optional.missingOnEmpty(components.map { it.build() })
+        ),
         files
     )
 

rest/src/main/kotlin/json/request/WebhookRequests.kt

@@ -1,6 +1,7 @@
 package dev.kord.rest.json.request
 
 import dev.kord.common.entity.AllowedMentions
+import dev.kord.common.entity.DiscordComponent
 import dev.kord.common.entity.optional.Optional
 import dev.kord.common.entity.optional.OptionalBoolean
 import dev.kord.common.entity.optional.OptionalSnowflake
@@ -26,7 +27,9 @@ data class WebhookExecuteRequest(
     val avatar: Optional<String> = Optional.Missing(),
     val tts: OptionalBoolean = OptionalBoolean.Missing,
     val embeds: Optional<List<EmbedRequest>> = Optional.Missing(),
-    val allowedMentions: Optional<AllowedMentions> = Optional.Missing()
+    @SerialName("allowed_mentions")
+    val allowedMentions: Optional<AllowedMentions> = Optional.Missing(),
+    val components: Optional<List<DiscordComponent>> = Optional.Missing()
 )
 
 data class MultiPartWebhookExecuteRequest(
@@ -38,7 +41,9 @@ data class MultiPartWebhookExecuteRequest(
 data class WebhookEditMessageRequest(
     val content: Optional<String> = Optional.Missing(),
     val embeds: Optional<List<EmbedRequest>> = Optional.Missing(),
-    val allowedMentions: Optional<AllowedMentions> = Optional.Missing()
+    @SerialName("allowed_mentions")
+    val allowedMentions: Optional<AllowedMentions> = Optional.Missing(),
+    val components: Optional<List<DiscordComponent>> = Optional.Missing()
 )
 
 data class MultipartWebhookEditMessageRequest(