feat: user consent setting and retrieving (NOTE: does not affect recording yet)

src/command/opt_in.rs

@@ -1,12 +1,15 @@
 use std::sync::LazyLock;
 
-use twilight_model::application::{
-    command::{Command, CommandType},
-    interaction::Interaction,
+use twilight_model::{
+    application::{
+        command::{Command, CommandType},
+        interaction::Interaction,
+    },
+    http::interaction::{InteractionResponse, InteractionResponseType},
 };
-use twilight_util::builder::command::CommandBuilder;
+use twilight_util::builder::{InteractionResponseDataBuilder, command::CommandBuilder};
 
-use crate::command::State;
+use crate::{command::State, user_capnp::user::Consent};
 
 const NAME: &str = "opt-in";
 const DESCRIPTION: &str = "Opt in to being recorded";
@@ -20,5 +23,66 @@ pub static COMMAND: LazyLock<Command> = LazyLock::new(|| {
 
 #[tracing::instrument]
 pub async fn handle(state: State, interaction: Interaction) {
-    todo!();
+    let user_id = interaction
+        .member
+        .as_ref()
+        .and_then(|member| member.user.as_ref().map(|user| user.id));
+
+    let user_id = match user_id {
+        Some(user_id) => user_id,
+        None => {
+            state
+                .discord_client
+                .interaction(state.discord_application_id)
+                .create_response(
+                    interaction.id,
+                    &interaction.token,
+                    &InteractionResponse {
+                        kind: InteractionResponseType::ChannelMessageWithSource,
+                        data: Some(
+                            InteractionResponseDataBuilder::new()
+                                .content("TODO")
+                                .build(),
+                        ),
+                    },
+                )
+                .await
+                .expect("TODO");
+            return;
+        }
+    };
+
+    let previous_consent = state
+        .user_data_manager
+        .update(user_id, |mut user_data| {
+            let previous_consent = user_data
+                .reborrow()
+                .get_voice_recording_consent()
+                .expect("TODO");
+            user_data.set_voice_recording_consent(Consent::Granted);
+
+            previous_consent
+        })
+        .await
+        .expect("TODO");
+
+    state
+        .discord_client
+        .interaction(state.discord_application_id)
+        .create_response(
+            interaction.id,
+            &interaction.token,
+            &InteractionResponse {
+                kind: InteractionResponseType::ChannelMessageWithSource,
+                data: Some(
+                    InteractionResponseDataBuilder::new()
+                        .content(format!(
+                            "opted you in, your previous consent was {previous_consent:?}"
+                        ))
+                        .build(),
+                ),
+            },
+        )
+        .await
+        .expect("TODO");
 }