Integrated custom magick-rust, added basic db usage

.env.example

@@ -0,0 +1,3 @@
+DISCORD_TOKEN=
+LASTFM_API_KEY=
+DATABASE_URL=sqlite:watcat.db

.gitignore

@@ -1,2 +1,3 @@
 /target
 /.env
+/watcat.db*

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "magick-rust"]
+	path = magick-rust
+	url = https://git.starbit.dev/seoxi/magick-rust
+	branch = sr

Cargo.toml

@@ -5,7 +5,18 @@ edition = "2024"
 
 [dependencies]
 serenity = "0.12"
-tokio = { version = "1.21.2", features = ["macros", "rt-multi-thread"] }
-dotenv = "0.15.0"
 lastfm = "0.10.0"
-magick_rust = "1.0.0" #{ path = "../magick-rust" }
+
+[dependencies.magick_rust]
+path = "./magick-rust"
+
+[dependencies.dotenvy]
+version = "0.15.7"
+
+[dependencies.tokio]
+version = "1.21.2"
+features = ["macros", "rt-multi-thread"]
+
+[dependencies.sqlx]
+version = "0.8.5"
+features = ["sqlite", "runtime-tokio"]

README.md

@@ -8,9 +8,19 @@ why?
 
 cosmo relies on [imagetext-py](https://github.com/nathanielfernandes/imagetext-py), which either does not have a freebsd wheel or else uv cannot find it
 
-also I'm a rust shill and python hater and just needed an excuse
+~~also I'm a rust shill and python hater and just needed an excuse~~
 
 but your code sucks
 -------------------
 
 I'm trying, okay?
+
+running
+-------
+
+populate .env with necessary values. a template .env.example is given
+
+create the database ``sqlx database create``
+(note: make sure you have sqlx installed first)
+
+init the database ``sqlx migrate run``

migrations/20250515121632_init.sql

@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS users
+(
+    discord_userid  INTEGER PRIMARY KEY NOT NULL,
+    lastfm_username TEXT                NOT NULL
+) STRICT;

src/main.rs

@@ -1,33 +1,37 @@
+extern crate dotenvy;
 extern crate lastfm;
-use dotenv::dotenv;
 
 use serenity::async_trait;
-use serenity::model::channel::Message;
-use serenity::prelude::*;
 use serenity::builder::{CreateAttachment, CreateMessage};
+use serenity::model::channel::Message;
+use serenity::model::id::UserId;
+use serenity::prelude::*;
 
 extern crate magick_rust;
-use magick_rust::{magick_wand_genesis, MagickWand, PixelWand, CompositeOperator, ColorspaceType};
+use magick_rust::{ColorspaceType, CompositeOperator, MagickWand, PixelWand, magick_wand_genesis};
 
 use std::env;
 use std::sync::Once;
 
+extern crate sqlx;
+use sqlx::sqlite::SqlitePool;
+
 static START: Once = Once::new();
 
 struct Handler;
 
 enum Reply {
     Image(Vec<u8>),
-	Text(String)
+    Text(String),
 }
 
 macro_rules! handle_magick_result {
     ($a: expr, $b: literal) => {
         match $a {
-			Ok(_) => {},
+            Ok(_) => {}
             Err(e) => return Reply::Text(format!("Error: {} {}", $b, e)),
         }
-	}
+    };
 }
 
 macro_rules! handle_magick_option {
@@ -36,55 +40,125 @@ macro_rules! handle_magick_option {
             Some(res) => res,
             None => return Reply::Text($b.to_string()),
         }
-	}
+    };
 }
 
-async fn fmi(_arg: &str) -> Reply {
+#[allow(unused)]
-	let client = lastfm::Client::<String, &str>::from_env("seoxi");
+async fn fmi(ctx: &Context, arg: &str, id: UserId) -> Reply {
+    let lastfm_user = match arg {
+        "" => get_lastfm_username(ctx, id).await,
+        _ => Some(arg.to_string()),
+    };
+    let client = match lastfm_user {
+    	Some(s) => lastfm::Client::<String, String>::from_env(s),
+    	None => return Reply::Text("No last.fm username set.".to_string()),
+    };
     let now_playing = match client.now_playing().await {
         Ok(np) => np,
         Err(e) => return Reply::Text(format!("Error: grabbing last.fm user data failed {e}")),
     };
-	if let Some(track) = now_playing {
+    let track = match now_playing {
+        Some(track) => track,
+        None => return Reply::Text("Nothing playing.".to_string()),
+    };
     let image_uri = match track.image.extralarge {
         Some(iu) => iu,
         None => return Reply::Text("Error: getting image uri failed".to_string()),
     };
     let mut base_color = PixelWand::new();
-		#[allow(unused_mut)]
+    let mut white = PixelWand::new();
     let mut main_wand = MagickWand::new();
-		#[allow(unused_mut)]
     let mut art_wand = MagickWand::new();
-		//#[allow(unused_mut)]
     let mut art_wand_cluster = MagickWand::new();
+    let mut mask_wand = MagickWand::new();
 
-		handle_magick_result!(base_color.set_color("#7f7f7f"), "Failed to set base color");
+    handle_magick_result!(
-	    handle_magick_result!(art_wand.read_image(image_uri.as_str()), "Failed to read image from uri");
+        base_color.set_color("#7f7f7f"),
-	    handle_magick_result!(art_wand.transform_image_colorspace(ColorspaceType::Lab), "Failed to set art colorspace");
+        "Failed to set init base color"
+    );
+    handle_magick_result!(
+        art_wand.read_image(image_uri.as_str()),
+        "Failed to read image from uri"
+    );
+    handle_magick_result!(
+        art_wand.transform_image_colorspace(ColorspaceType::Lab),
+        "Failed to set art colorspace"
+    );
 
     let (art_width, art_height) = (art_wand.get_image_width(), art_wand.get_image_height());
-		handle_magick_result!(art_wand_cluster.new_image(art_width, art_height, &base_color), "Failed to init cluster image");
+    handle_magick_result!(
-		handle_magick_result!(art_wand_cluster.compose_images(&art_wand, CompositeOperator::SrcOver, true, 0, 0), "Failed to copy onto cluster image");
+        art_wand_cluster.new_image(art_width, art_height, &base_color),
+        "Failed to init cluster image"
+    );
+    handle_magick_result!(
+        art_wand_cluster.compose_images(&art_wand, CompositeOperator::SrcOver, true, 0, 0),
+        "Failed to copy onto cluster image"
+    );
     // least stupid way I could figure out to do this, since it seems that MagickWand::new_from_wand() doesn't work
-	    handle_magick_result!(art_wand_cluster.set_image_colorspace(ColorspaceType::Lab), "Failed to set cluster colorspace");
+    handle_magick_result!(
-	    handle_magick_result!(art_wand_cluster.kmeans(5, 200, 0.001), "Failed to run kmeans");
+        art_wand_cluster.set_image_colorspace(ColorspaceType::Lab),
-	    let mut colors = handle_magick_option!(art_wand_cluster.get_image_histogram(), "Failed to get color histogram");
+        "Failed to set cluster colorspace"
-	    println!("{}", colors.len());
+    );
+    handle_magick_result!(
+        art_wand_cluster.kmeans(5, 200, 0.001),
+        "Failed to run kmeans"
+    );
+    let mut colors = handle_magick_option!(
+        art_wand_cluster.get_image_histogram(),
+        "Failed to get color histogram"
+    );
     colors.sort_by_cached_key(|color| -(color.get_color_count() as isize));
+    let mut accent_color = match colors.len() {
+        1 => &colors[0],
+        _ => &colors[1],
+    };
 
-		handle_magick_result!(main_wand.new_image(548, 147, &colors[0]), "Failed to create wand");
+    handle_magick_result!(white.set_color("#ffffff"), "Failed to set init white");
-	    handle_magick_result!(main_wand.transform_image_colorspace(ColorspaceType::Lab), "Failed to set main colorspace");
+    handle_magick_result!(mask_wand.read_image("mask.png"), "Failed to load mask");
-		handle_magick_result!(art_wand.adaptive_resize_image(124, 124), "Failed to resize art");
+    handle_magick_result!(
-		handle_magick_result!(art_wand_cluster.adaptive_resize_image(124, 124), "Failed to resize art_cluster");
+        mask_wand.opaque_paint_image(&white, accent_color, 0.0, false),
-		handle_magick_result!(main_wand.compose_images(&art_wand, CompositeOperator::SrcOver, false, 12, 12), "Failed to combine images");
+        "Failed to paint mask"
-		handle_magick_result!(main_wand.compose_images(&art_wand_cluster, CompositeOperator::SrcOver, false, 160, 12), "Failed to combine images");
+    );
+
+    handle_magick_result!(
+        main_wand.new_image(548, 147, &colors[0]),
+        "Failed to create wand"
+    );
+    handle_magick_result!(
+        main_wand.transform_image_colorspace(ColorspaceType::Lab),
+        "Failed to set main colorspace"
+    );
+    handle_magick_result!(
+        art_wand.adaptive_resize_image(124, 124),
+        "Failed to resize art"
+    );
+    handle_magick_result!(
+        art_wand_cluster.adaptive_resize_image(124, 124),
+        "Failed to resize art_cluster"
+    );
+    handle_magick_result!(
+        main_wand.compose_images(&art_wand, CompositeOperator::SrcOver, false, 12, 12),
+        "Failed to combine images"
+    );
+    handle_magick_result!(
+        main_wand.compose_images(
+            &art_wand_cluster,
+            CompositeOperator::SrcOver,
+            false,
+            160,
+            12
+        ),
+        "Failed to combine debug images"
+    );
+    handle_magick_result!(
+        main_wand.compose_images(&mask_wand, CompositeOperator::SrcOver, false, 401, 0),
+        "Failed to combine mask"
+    );
     Reply::Image(main_wand.write_image_blob("png").unwrap())
-	} else {
-		Reply::Text("Nothing playing.".to_string())
-	}
 }
 
-async fn set(arg: &str) -> Reply {
+async fn set(ctx: &Context, arg: &str, id: UserId) -> Reply {
+	set_lastfm_username(ctx, id, arg.to_string()).await;
 	Reply::Text(format!("set user {}", arg))
 }
 
@@ -95,17 +169,17 @@ impl EventHandler for Handler {
         let cmd = cmd_iter.next().unwrap_or("");
         let arg = cmd_iter.next().unwrap_or("");
         let resp = match cmd {
-    		".fmi" => Some(fmi(arg).await),
+            ".fmi" => Some(fmi(&ctx, arg, msg.author.id).await),
-    		".set" => Some(set(arg).await),
+            ".set" => Some(set(&ctx, arg, msg.author.id).await),
-    		_ => None
+            _ => None,
         };
         if let Some(reply) = resp {
             let m = match reply {
                 Reply::Image(img) => {
                     let file = CreateAttachment::bytes(img, "fmi.png");
                     CreateMessage::new().add_file(file)
-		    	},
+                }
-		    	Reply::Text(txt) => CreateMessage::new().content(txt)
+                Reply::Text(txt) => CreateMessage::new().content(txt),
             };
 
             let message = msg.channel_id.send_message(&ctx.http, m).await;
@@ -116,26 +190,87 @@ impl EventHandler for Handler {
     }
 }
 
+struct PoolContainer;
+
+impl TypeMapKey for PoolContainer {
+    type Value = SqlitePool;
+}
+
+struct DBResponse {
+    lastfm_username: String,
+}
+
+async fn get_lastfm_username(ctx: &Context, id: UserId) -> Option<String> {
+    let data = ctx.data.write().await;
+    let pool = data
+        .get::<PoolContainer>()
+        .expect("Failed to get pool container");
+    let id = i64::from(id);
+    let resp = sqlx::query_as!(
+        DBResponse,
+        r#"
+			SELECT lastfm_username
+			FROM users
+			WHERE discord_userid = ?1
+		"#,
+        id
+    )
+    .fetch_one(pool)
+    .await;
+    match resp {
+        Ok(r) => Some(r.lastfm_username),
+        Err(_) => None,
+    }
+}
+
+async fn set_lastfm_username(ctx: &Context, id: UserId, user: String) {
+    let data = ctx.data.write().await;
+    let pool = data
+        .get::<PoolContainer>()
+        .expect("Failed to get pool container");
+    let id = i64::from(id);
+    sqlx::query!(
+        r#"
+			INSERT INTO users
+			VALUES (?1, ?2)
+		"#,
+        id, user
+    )
+    .execute(pool)
+    .await.expect("Failed to insert");
+}
+
 #[tokio::main]
 async fn main() {
     START.call_once(|| {
-		dotenv().ok();
+        dotenvy::dotenv().expect("Failed to load .env");
         magick_wand_genesis();
     });
 
-    // Login with a bot token from the environment
+    let db_url = env::var("DATABASE_URL").expect("Failed to load DATABASE_URL");
-    let token = env::var("DISCORD_TOKEN").expect("Expected a token in the environment");
+    let pool = SqlitePool::connect(&db_url)
+        .await
+        .expect("Failed to load db");
+
+    let token = env::var("DISCORD_TOKEN").expect("Failed to load DISCORD_TOKEN");
     // Set gateway intents, which decides what events the bot will be notified about
     let intents = GatewayIntents::GUILD_MESSAGES
         | GatewayIntents::DIRECT_MESSAGES
         | GatewayIntents::MESSAGE_CONTENT;
 
-    // Create a new instance of the Client, logging in as a bot.
+    let mut client = Client::builder(&token, intents)
-    let mut client =
+        .event_handler(Handler)
-        Client::builder(&token, intents).event_handler(Handler).await.expect("Err creating client");
+        .await
+        .expect("Err creating client");
+
+    {
+        let mut data = client.data.write().await;
+        data.insert::<PoolContainer>(pool);
+    }
 
-    // Start listening for events by starting a single shard
     if let Err(why) = client.start().await {
         println!("Client error: {why:?}");
+    } else {
+        println!("watcat started");
     }
 }