feat: improve cli interface

These are still technically integration tests. They should be moved

Bitch, you gave me the fucking clap

Cargo.toml

@@ -8,6 +8,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.86"
 async-trait = "0.1.80"
+clap = { version = "4.5.9", features = ["derive"] }
 dotenvy = "0.15.0"
 regex = "1.5.4"
 sqlx = { version = "0.7.4", features = ["runtime-tokio-native-tls", "postgres"] }

src/commander.rs

@@ -0,0 +1,56 @@
+use clap::{Args, Parser, Subcommand};
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+pub struct Cli {
+    #[command(subcommand)]
+    pub command: Commands,
+}
+
+#[derive(Subcommand)]
+pub enum Commands {
+    /// Create a contact
+    Create(CreateCommand),
+
+    /// Edit a contact by ID
+    Edit(EditCommand),
+}
+
+#[derive(Args)]
+pub struct CreateCommand {
+    #[arg(short, long, value_name = "First Name")]
+    pub first_name: Option<String>,
+
+    #[arg(short, long, value_name = "Last Name")]
+    pub last_name: Option<String>,
+
+    #[arg(short, long, value_name = "Display Name")]
+    pub display_name: Option<String>,
+
+    #[arg(short, long)]
+    pub email: Option<String>,
+
+    #[arg(short, long, value_name = "Phone")]
+    pub phone_number: Option<String>,
+}
+
+#[derive(Args, Debug)]
+pub struct EditCommand {
+    /// ID of contact to edit
+    id: i64,
+
+    #[arg(short, long, value_name = "First Name")]
+    first_name: Option<String>,
+
+    #[arg(short, long, value_name = "Last Name")]
+    last_name: Option<String>,
+
+    #[arg(short, long, value_name = "Display Name")]
+    display_name: Option<String>,
+
+    #[arg(short, long)]
+    email: Option<String>,
+
+    #[arg(short, long, value_name = "Phone")]
+    phone_number: Option<String>,
+}

src/errors.rs

@@ -5,7 +5,6 @@ pub enum AppError {
     DatabaseError(sqlx::Error),
     InvalidEmail(String),
     InvalidPhoneNumber(String),
-    InvalidArguments,
 }
 
 impl fmt::Display for AppError {
@@ -14,7 +13,6 @@ impl fmt::Display for AppError {
             Self::DatabaseError(error) => write!(f, "Database error: {error}"),
             Self::InvalidEmail(email) => write!(f, "{email} is invalid."),
             Self::InvalidPhoneNumber(phone) => write!(f, "{phone} is invalid."),
-            Self::InvalidArguments => write!(f, "Invalid argument"),
         }
     }
 }