chore: move migrations to rust

also adds some basic test seed data

crates/migrate/src/main.rs

@@ -0,0 +1,70 @@
+#![feature(let_chains)]
+
+use tracing::info;
+
+include!(concat!(env!("OUT_DIR"), "/data.rs"));
+
+#[libpk::main]
+async fn main() -> anyhow::Result<()> {
+    let db = libpk::db::init_data_db().await?;
+
+    // clean
+    // get current migration
+    // migrate to latest
+    // run views
+    // run functions
+
+    #[derive(sqlx::FromRow)]
+    struct CurrentMigration {
+        schema_version: i32,
+    }
+
+    let info = match sqlx::query_as("select schema_version from info")
+        .fetch_optional(&db)
+        .await
+    {
+        Ok(Some(result)) => result,
+        Ok(None) => CurrentMigration { schema_version: -1 },
+        Err(e) if format!("{e}").contains("relation \"info\" does not exist") => {
+            CurrentMigration { schema_version: -1 }
+        }
+        Err(e) => return Err(e.into()),
+    };
+
+    info!("current migration: {}", info.schema_version);
+
+    info!("running clean.sql");
+    sqlx::raw_sql(fix_feff(CLEAN)).execute(&db).await?;
+
+    for idx in (info.schema_version + 1) as usize..MIGRATIONS.len() {
+        info!("running migration {idx}");
+        sqlx::raw_sql(fix_feff(MIGRATIONS[idx as usize]))
+            .execute(&db)
+            .await?;
+    }
+
+    info!("running views.sql");
+    sqlx::raw_sql(fix_feff(VIEWS)).execute(&db).await?;
+
+    info!("running functions.sql");
+    sqlx::raw_sql(fix_feff(FUNCTIONS)).execute(&db).await?;
+
+    if let Ok(var) = std::env::var("SEED")
+        && var == "true"
+    {
+        info!("running seed.sql");
+        sqlx::raw_sql(fix_feff(SEED)).execute(&db).await?;
+        info!(
+            "example system created with hid 'exmpl', token 'vlPitT0tEgT++a450w1/afODy5NXdALcHDwryX6dOIZdGUGbZg+5IH3nrUsQihsw', guild_id 466707357099884544"
+        );
+    }
+
+    info!("all done!");
+
+    Ok(())
+}
+
+// some migration scripts have \u{feff} at the start
+fn fix_feff(sql: &str) -> &str {
+    sql.trim_start_matches("\u{feff}")
+}