wip: add sqlx setup

.gitignore

@@ -7,3 +7,4 @@ secring.*
 # Added by cargo
 
 /target
+.env

.justfile

@@ -0,0 +1,4 @@
+set dotenv-load := true
+
+dev:
+  cargo run --bin cli -- query "SELECT * FROM sources;"

Cargo.toml

@@ -4,3 +4,11 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+clap = { version = "4.5.26", features = ["derive", "env"] }
+sqlx = { version = "0.8", features = [
+  "runtime-tokio",
+  "tls-native-tls",
+  "postgres",
+  "sqlite",
+] }
+tokio = {version =  "1.43.0", features = ["full"]}

src/bin/cli/main.rs

@@ -1,3 +1,50 @@
-fn main() {
-    println!("Hello from cli bin!");
+use clap::{Parser, Subcommand};
+use futures::TryStreamExt;
+use sqlx::postgres::PgPool;
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+#[command(propagate_version = true)]
+struct Cli {
+    /// Name of the person to greet
+    #[command(subcommand)]
+    command: Commands,
+
+    #[arg(short = 'u', long, global = true, env = "CLI_DB_URL")]
+    db_url: Option<String>,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    /// Executes a query agains the database, it pass it directly to the underliying driver
+    Query {
+        /// Query to execute
+        sql: String,
+    },
+}
+
+#[tokio::main]
+async fn main() {
+    let cli = Cli::parse();
+
+    let url = cli.db_url.unwrap();
+
+    // You can check for the existence of subcommands, and if found use their
+    // matches just as you would the top level cmd
+    match &cli.command {
+        Commands::Query { sql } => handle_query(url, sql).await.unwrap(),
+    }
+}
+
+async fn handle_query(url: String, query: &String) -> Result<(), sqlx::Error> {
+    let pool = PgPool::connect(url.as_str()).await?;
+
+    let mut rows = sqlx::query("DELETE FROM table").fetch(&pool);
+
+    while let Some(row) = rows.try_next().await? {
+        // map the row into a user-defined domain type
+        let email: &str = row.try_get("email")?;
+    }
+
+    return Ok(());
 }