suggestion form

readme.txt

@@ -8,9 +8,9 @@ will be used to ping users about brackets.
 === Commands
 
 All of these commands must be run with an environment variable BOT_TOKEN set
-to the token of the Discord bot. All except for gateway interact with a SQLite3
-database named database.db, which will be created if it does not exist. To run
-any of these from the source repository, use the command:
+to the token of the Discord bot. Some of these interact with a SQLite3 database
+named database.db, which will be created if it does not exist. To run any of
+these from the source repository, use the command:
   BOT_TOKEN='<token>' cargo run --release --bin <command> [arguments]
 
 == create-bracket <path to YAML file>
@@ -39,13 +39,13 @@ Each entry has these keys:
     entirely of decimal digits, then it is interpreted as an ID of a Discord
     emoji. Otherwise, this is interpreted as a literal Unicode emoji.
 
-== gateway
+== gateway <shredder channel id>
 
-This runs the "gateway" portion of the bot, which receives notifications
-from Discord about the toggle role buttons being pressed, and toggles those
-roles. This will continue running until there is some error communicating
-with Discord. If this is not running, attempting to toggle roles will
-display "interaction failed" under the button.
+This runs the "gateway" portion of the bot, which receives notifications from
+Discord about the toggle role and suggested bracket buttons being pressed, and
+handles those interactions. This will continue running until there is some
+error communicating with Discord. The "shredder channel id" argument is
+the ID of a Discord channel to post bracket suggestions into.
 
 == post-polls <bracket id> <number of polls>
 
@@ -59,6 +59,11 @@ bracket after its winner has been announced. This should not be run on the same
 bracket more than once without running process-polls in between. All polls are
 posted with a length of 23 hours.
 
+== post-suggestion-form <channel id>
+
+This posts a button in the specified channel that users can click to suggest
+new brackets. The suggestions are posted in another channel (see gateway).
+
 == process-polls
 
 This reads all of the polls that have been posted since the last time this was

src/bin/gateway.rs

@@ -1,4 +1,20 @@
 #[tokio::main]
 async fn main() {
-  bracket_bot_v4::run_gateway().await;
+
+  let args: Vec<String> = std::env::args().collect();
+  if args.len() != 2 {
+    eprintln!("This must be run with one argument: the channel to post suggested brackets into.");
+    std::process::exit(1);
+  }
+
+  let shredder_id =
+    match args[1].parse::<u64>() {
+      Ok(c) => c, Err(e) => {
+        eprintln!("Failed to parse argument: {e}");
+        std::process::exit(1);
+      }
+    };
+
+  bracket_bot_v4::run_gateway(shredder_id).await;
+
 }

src/bin/post-suggestion-form.rs

@@ -0,0 +1,22 @@
+#[tokio::main]
+async fn main() {
+
+  let dcf = bracket_bot_v4::create_discord_conn();
+
+  let args: Vec<String> = std::env::args().collect();
+  if args.len() != 2 {
+    eprintln!("This must be run with one argument: the channel to post the suggestion form in.");
+    std::process::exit(1);
+  }
+
+  let channel_id =
+    match args[1].parse::<u64>() {
+      Ok(c) => c, Err(e) => {
+        eprintln!("Failed to parse argument: {e}");
+        std::process::exit(1);
+      }
+    };
+
+  bracket_bot_v4::post_suggestion_form(&dcf.await, channel_id).await;
+
+}

src/lib.rs

@@ -140,6 +140,11 @@ fn get_token() -> String {
 
 struct GatewayHandler;
 
+struct ShredderChannelID;
+impl serenity::prelude::TypeMapKey for ShredderChannelID {
+  type Value = u64;
+}
+
 #[serenity::async_trait]
 impl serenity::client::EventHandler for GatewayHandler {
 
@@ -174,11 +179,84 @@ impl serenity::client::EventHandler for GatewayHandler {
           serenity::builder::CreateInteractionResponseMessage::default();
         msg = msg.content(if removing { "Removed role." } else { "Added role." });
         msg = msg.ephemeral(true);
-        let resp= serenity::builder::CreateInteractionResponse::Message(msg);
+        let resp = serenity::builder::CreateInteractionResponse::Message(msg);
         cpt.create_response(&ctx, resp).await.unwrap();
 
       }
 
+      else if id == "suggest" {
+
+        let mut form = serenity::builder::CreateModal::new("suggest-form", "Suggest a bracket");
+
+        let name =
+          serenity::builder::CreateInputText::new(
+            serenity::model::application::InputTextStyle::Short,
+            "Bracket name", "name");
+        let name_row = serenity::builder::CreateActionRow::InputText(name);
+
+        let mut details=
+          serenity::builder::CreateInputText::new(
+            serenity::model::application::InputTextStyle::Paragraph,
+            "Details (suggested entries, etc)", "details");
+        details = details.required(false);
+        let details_row = serenity::builder::CreateActionRow::InputText(details);
+
+        form = form.components(vec![name_row, details_row]);
+
+        let response = serenity::builder::CreateInteractionResponse::Modal(form);
+        cpt.create_response(&ctx, response).await.unwrap();
+
+      }
+
+    }
+
+    else if let serenity::model::application::Interaction::Modal(md) = interaction {
+      let id = &md.data.custom_id;
+
+      if id == "suggest-form" {
+
+        let name =
+          if let
+            serenity::model::application::ActionRowComponent::InputText(name_text) =
+              &md.data.components[0].components[0] { name_text.value.clone() } else { None };
+
+        let details =
+          if let
+            serenity::model::application::ActionRowComponent::InputText(details_text) =
+              &md.data.components[1].components[0] { details_text.value.clone() } else { None };
+
+        let data = ctx.data.read().await;
+        let shredder_channel_id = data.get::<ShredderChannelID>().unwrap();
+        let shredder = serenity::model::id::ChannelId::new(*shredder_channel_id);
+        drop(data);
+
+        let mut msg = format!("## Bracket suggestion: {}", name.unwrap());
+        if let Some(d) = details {
+          let mut sand = d;
+          while sand.ends_with('`') {
+            sand.remove(sand.len() - 1);
+          }
+          while let Some(i) = sand.find("```") {
+            sand.remove(i);
+          }
+          while sand.starts_with('`') {
+            sand.remove(0);
+          }
+          if sand != "" {
+            msg = msg + format!("\n```{}```", sand).as_str();
+          }
+        }
+        shredder.say(&ctx, msg).await.unwrap();
+
+        let mut msg2 =
+          serenity::builder::CreateInteractionResponseMessage::default();
+        msg2 = msg2.content("Suggestion submitted.");
+        msg2 = msg2.ephemeral(true);
+        let r = serenity::builder::CreateInteractionResponse::Message(msg2);
+        md.create_response(&ctx, r).await.unwrap();
+
+      }
+
     }
 
   }
@@ -198,6 +276,29 @@ pub async fn create_discord_conn() -> DiscordConn {
   }
 }
 
+async fn post_suggestion_form_core(dc: &DiscordConn, channel_id: u64) -> Result<(), serenity::Error> {
+
+  let channel = serenity::model::id::ChannelId::new(channel_id);
+
+  let mut message = serenity::builder::CreateMessage::new();
+  message = message.content("Click the button to suggest a new bracket.");
+
+  let mut button = serenity::builder::CreateButton::new("suggest");
+  button = button.label("Suggest a bracket");
+
+  message = message.button(button);
+  channel.send_message(&dc.client.http, message).await?;
+
+  Ok(())
+
+}
+
+pub async fn post_suggestion_form(dc: &DiscordConn, channel_id: u64) {
+  match post_suggestion_form_core(&dc, channel_id).await {
+    Ok(()) => {}, Err(e) => discord_error(&e)
+  }
+}
+
 async fn create_bracket_core_discord(dc: &DiscordConn, info: &CreateBracketInfo) -> Result<(), serenity::Error> {
 
   let channel = serenity::model::id::ChannelId::new(info.channel_id);
@@ -730,13 +831,20 @@ pub async fn ping_bracket_role(dbc: &DbConn, dc: &DiscordConn, bracket_id: i32,
 
 }
 
-async fn run_gateway_core() -> Result<(), serenity::Error> {
+async fn run_gateway_core(shredder_id: u64) -> Result<(), serenity::Error> {
+
   let mut client = create_gateway_client().await?;
+
+  let mut data = client.data.write().await;
+  data.insert::<ShredderChannelID>(shredder_id);
+  drop(data);
+
   client.start().await
+
 }
 
-pub async fn run_gateway() {
-  match run_gateway_core().await {
+pub async fn run_gateway(shredder_id: u64) {
+  match run_gateway_core(shredder_id).await {
     Ok(()) => {}, Err(e) => discord_error(&e)
   }
 }