feat: more work on /render

Cargo.toml

@@ -69,7 +69,7 @@ songbird = { version = "0.6.0", default-features = false, features = [
     "tws",
 ] }
 strum = { version = "0.28.0", features = ["derive"] }
-time = "0.3.47"
+time = { version = "0.3.47", features = ["formatting", "parsing"] }
 tokio = { version = "1.46.0", features = ["rt-multi-thread", "macros", "signal", "time"] }
 tokio-util = { version = "0.7.18", features = ["io"] }
 tokio-websockets-0-13 = { package = "tokio-websockets", version = "0.13", features = [

src/command/render.rs

@@ -1,9 +1,18 @@
-use std::sync::LazyLock;
+use snafu::{OptionExt as _, Report, ResultExt as _, Snafu};
-use twilight_model::application::{
+use std::{collections::BTreeMap, sync::LazyLock};
-    command::{Command, CommandType},
+use time::{UtcDateTime, format_description::well_known::Rfc3339};
-    interaction::Interaction,
+use twilight_model::{
+    application::{
+        command::{Command, CommandOption, CommandOptionType, CommandType},
+        interaction::{Interaction, InteractionData, application_command::CommandOptionValue},
+    },
+    channel::{ChannelType, message::{Embed, MessageFlags}},
+    http::interaction::{InteractionResponse, InteractionResponseType},
+    id::{Id, marker::ChannelMarker},
+};
+use twilight_util::builder::{
+    InteractionResponseDataBuilder, command::CommandBuilder, embed::EmbedBuilder,
 };
-use twilight_util::builder::command::CommandBuilder;
 
 use crate::command::State;
 
@@ -11,13 +20,162 @@ const NAME: &str = "render";
 const DESCRIPTION: &str =
     "(Only the bot owner can use this) Make an audio file from the specified range of VC";
 
+const OPTION_VOICE_CHANNEL: &str = "voice-channel";
+const OPTION_START: &str = "start";
+const OPTION_END: &str = "end";
+
+const DATE_FORMAT: Rfc3339 = Rfc3339;
+
 pub static COMMAND: LazyLock<Command> = LazyLock::new(|| {
     CommandBuilder::new(NAME, DESCRIPTION, CommandType::ChatInput)
+        .option(CommandOption {
+            autocomplete: None,
+            channel_types: Some(vec![ChannelType::GuildVoice]),
+            choices: None,
+            description: "Which voice channel to render a recording from".into(),
+            description_localizations: None,
+            kind: CommandOptionType::Channel,
+            max_length: None,
+            max_value: None,
+            min_length: None,
+            min_value: None,
+            name: OPTION_VOICE_CHANNEL.into(),
+            name_localizations: None,
+            options: None,
+            required: Some(true),
+        })
+        .option(CommandOption {
+            autocomplete: None,
+            channel_types: None,
+            choices: None,
+            description: "What UTC datetime to start from".into(),
+            description_localizations: None,
+            kind: CommandOptionType::String,
+            max_length: None,
+            max_value: None,
+            min_length: None,
+            min_value: None,
+            name: OPTION_START.into(),
+            name_localizations: None,
+            options: None,
+            required: Some(true),
+        })
+        .option(CommandOption {
+            autocomplete: None,
+            channel_types: None,
+            choices: None,
+            description: "What UTC datetime to end at".into(),
+            description_localizations: None,
+            kind: CommandOptionType::String,
+            max_length: None,
+            max_value: None,
+            min_length: None,
+            min_value: None,
+            name: OPTION_END.into(),
+            name_localizations: None,
+            options: None,
+            required: Some(true),
+        })
         .validate()
         .expect("command wasn't correct")
         .build()
 });
 
+struct Options {
+    voice_channel: Id<ChannelMarker>,
+    start: UtcDateTime,
+    end: UtcDateTime,
+}
+
+#[derive(Debug, Snafu)]
+enum ParseOptionsError {
+    /// could not get any interaction data
+    NoInteractionData,
+
+    /// this wasn't a command invocation
+    NotCommandInvocation,
+
+    /// a voice channel wasn't selected
+    NoVoiceChannel,
+
+    /// a start time wasn't specified
+    NoStart,
+
+    /// an end time wasn't specified
+    NoEnd,
+
+    /// voice channel was {actual:?} instead of a channel ID
+    VoiceChannelInvalidType { actual: CommandOptionValue },
+
+    /// start was {actual:?} instead of a string
+    StartInvalidType { actual: CommandOptionValue },
+
+    /// end was {actual:?} instead of a string
+    EndInvalidType { actual: CommandOptionValue },
+
+    /// could not parse `start` as a date in RFC3339 format
+    StartInvalidDate { source: time::error::Parse },
+
+    /// could not parse `start` as a date in RFC3339 format
+    EndInvalidDate { source: time::error::Parse },
+}
+
+impl From<ParseOptionsError> for Embed {
+    fn from(error: ParseOptionsError) -> Self {
+        EmbedBuilder::new().title("Error parsing options").description(Report::from_error(error).to_string()).validate().unwrap().build()
+    }
+}
+
+fn parse_options(interaction: &Interaction) -> Result<Options, ParseOptionsError> {
+    let interaction_data = interaction.data.as_ref().context(NoInteractionDataSnafu)?;
+
+    let InteractionData::ApplicationCommand(command_data) = interaction_data else {
+        return Err(ParseOptionsError::NotCommandInvocation);
+    };
+
+    let mut options: BTreeMap<&str, &CommandOptionValue> = command_data
+        .options
+        .iter()
+        .map(|command_data_option| {
+            (
+                command_data_option.name.as_str(),
+                &command_data_option.value,
+            )
+        })
+        .collect();
+
+    let voice_channel = options
+        .remove(OPTION_VOICE_CHANNEL)
+        .context(NoVoiceChannelSnafu)?;
+    let start = options.remove(OPTION_START).context(NoStartSnafu)?;
+    let end = options.remove(OPTION_END).context(NoEndSnafu)?;
+
+    let &CommandOptionValue::Channel(voice_channel) = voice_channel else {
+        return Err(ParseOptionsError::VoiceChannelInvalidType {
+            actual: voice_channel.clone(),
+        });
+    };
+    let &CommandOptionValue::String(ref start) = start else {
+        return Err(ParseOptionsError::StartInvalidType {
+            actual: start.clone(),
+        });
+    };
+    let &CommandOptionValue::String(ref end) = end else {
+        return Err(ParseOptionsError::StartInvalidType {
+            actual: end.clone(),
+        });
+    };
+
+    let start = UtcDateTime::parse(start, &DATE_FORMAT).context(StartInvalidDateSnafu)?;
+    let end = UtcDateTime::parse(end, &DATE_FORMAT).context(EndInvalidDateSnafu)?;
+
+    Ok(Options {
+        voice_channel,
+        start,
+        end,
+    })
+}
+
 #[tracing::instrument]
 pub async fn handle(state: State, interaction: Interaction) {
     let bot_owner_user_id = state.discord_bot_owner_user_id;
@@ -29,5 +187,65 @@ pub async fn handle(state: State, interaction: Interaction) {
         .map(|user_id| user_id == bot_owner_user_id)
         .unwrap_or(false);
 
+    if !is_bot_owner {
+        state
+            .discord_client
+            .interaction(state.discord_application_id)
+            .create_response(
+                interaction.id,
+                &interaction.token,
+                &InteractionResponse {
+                    kind: InteractionResponseType::ChannelMessageWithSource,
+                    data: Some(
+                        InteractionResponseDataBuilder::new()
+                            .embeds([EmbedBuilder::new()
+                                .title("No permission")
+                                .description("Only the bot owner can use this command.")
+                                .validate()
+                                .unwrap()
+                                .build()])
+                            .flags(MessageFlags::EPHEMERAL)
+                            .build(),
+                    ),
+                },
+            )
+            .await
+            .expect("TODO");
+
+        return;
+    }
+
+    let Options {
+        voice_channel,
+        start,
+        end,
+    } = match parse_options(&interaction) {
+        Ok(options) => options,
+        Err(error) => {
+            state
+                .discord_client
+                .interaction(state.discord_application_id)
+                .create_response(
+                    interaction.id,
+                    &interaction.token,
+                    &InteractionResponse {
+                        kind: InteractionResponseType::ChannelMessageWithSource,
+                        data: Some(
+                            InteractionResponseDataBuilder::new()
+                                .embeds([error.into()])
+                                .flags(MessageFlags::EPHEMERAL)
+                                .build(),
+                        ),
+                    },
+                )
+                .await
+                .expect("TODO");
+
+            return;
+        }
+    };
+
+    tracing::info!(?voice_channel, ?start, ?end);
+
     todo!();
 }