added count command

src/commands/count.rs

@@ -0,0 +1,46 @@
+use regex::Regex;
+use serenity::{
+    framework::standard::{macros::command, Args, CommandResult},
+    model::prelude::*,
+    prelude::*,
+};
+use std::{collections::HashMap, env};
+use tokio_postgres::NoTls;
+
+#[command]
+pub async fn kitna(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult {
+    let query: String = args.single::<String>()?;
+    let words: HashMap<&str, Regex> = [
+        ("nword", Regex::new(r"(?i)(nig+(er|a)|nig{2,})").unwrap()),
+        ("acha", Regex::new(r"(?i)a(c??h??|6??)a+").unwrap()),
+        ("sus", Regex::new(r"(?i)sus|(?i)amon?g\s?us").unwrap()),
+    ]
+    .iter()
+    .cloned()
+    .collect();
+    let db: String = env::var("DB_URL").expect("bhay DB_URL daal na");
+    let (client, conn) = tokio_postgres::connect(&db, NoTls)
+        .await
+        .expect("cant connect bha");
+    tokio::spawn(async move {
+        if let Err(e) = conn.await {
+            eprintln!("connection error: {}", e);
+        }
+    });
+    let id = msg.author.id.as_u64().to_owned().to_string();
+    for (name, regex) in words {
+        if regex.is_match(&query) || &query == name {
+            let query_result = client
+                .query_one(
+                    format!("SELECT count FROM user{} where name='{}'", id, name).as_str(),
+                    &[],
+                )
+                .await
+                .expect("cant select the count");
+            let count: i32 = query_result.get("count");
+            msg.reply(ctx, format!("{} count for you: {}", name, count)).await?;
+            break;
+        }
+    }
+    Ok(())
+}

src/commands/mod.rs

@@ -1 +1,2 @@
 pub mod general;
+pub mod count;