added count command

src/handler/count.rs

@@ -0,0 +1,71 @@
+use serenity::model::channel::Message;
+use std::collections::HashMap;
+use std::env;
+use regex::Regex;
+use tokio_postgres::NoTls;
+
+pub async fn count(msg: Message) {
+    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();
+    client
+        .execute(
+            format!(
+                "
+        CREATE TABLE IF NOT EXISTS user{} (
+            id              SERIAL PRIMARY KEY,
+            name            VARCHAR NOT NULL,
+            count           INTEGER NOT NULL
+            )
+    ",
+                id
+            )
+            .as_str(),
+            &[],
+        )
+        .await
+        .expect("cant create table");
+
+    for name in ["nword", "acha", "sus"] {
+        if words[name].is_match(&msg.content) {
+            let query_result = client
+                .query(
+                    format!("SELECT count FROM user{} where name='{}'", id, name).as_str(),
+                    &[],
+                )
+                .await
+                .expect("cant select the count");
+            if query_result.is_empty() {
+                client
+                    .execute(
+                        format!("insert into user{} (name, count) values ('{}', 0)", id, name).as_str(),
+                        &[],
+                    )
+                    .await
+                    .expect("cant insert shit");
+            }
+            client
+                .execute(
+                    format!("UPDATE user{} SET count = count + 1 where name='{}'", id, name).as_str(),
+                    &[],
+                )
+                .await
+                .expect("cant update");
+        }
+    }
+}