Implement cli

Author: owjs3901

Cargo.lock

@@ -0,0 +1,12 @@
+[package]
+name = "vespertide-cli"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[dependencies]
+anyhow = "1"
+clap = { version = "4", features = ["derive"] }
+serde_json = "1"
+vespertide-config = { path = "../vespertide-config" }
+

crates/vespertide-cli/Cargo.toml

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+use anyhow::Result;
+
+pub fn cmd_diff() -> Result<()> {
+    println!("(todo) diff: compare applied migrations and current models");
+    Ok(())
+}

crates/vespertide-cli/src/commands/diff.rs

@@ -0,0 +1,18 @@
+use std::{fs, path::PathBuf};
+
+use anyhow::{bail, Context, Result};
+use vespertide_config::VespertideConfig;
+
+pub fn cmd_init() -> Result<()> {
+    let path = PathBuf::from("vespertide.json");
+    if path.exists() {
+        bail!("vespertide.json already exists");
+    }
+
+    let config = VespertideConfig::default();
+    let json = serde_json::to_string_pretty(&config).context("serialize default config")?;
+    fs::write(&path, json).context("write vespertide.json")?;
+    println!("created {:?}", path);
+    Ok(())
+}
+

crates/vespertide-cli/src/commands/init.rs

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+pub mod diff;
+pub mod init;
+pub mod revision;
+pub mod status;
+
+pub use diff::cmd_diff;
+pub use init::cmd_init;
+pub use revision::cmd_revision;
+pub use status::cmd_status;

crates/vespertide-cli/src/commands/mod.rs

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+use anyhow::Result;
+
+pub fn cmd_revision(message: String) -> Result<()> {
+    println!("(todo) revision: create new revision with message: {message}");
+    Ok(())
+}
+

crates/vespertide-cli/src/commands/revision.rs

@@ -0,0 +1,6 @@
+use anyhow::Result;
+
+pub fn cmd_status() -> Result<()> {
+    println!("(todo) status: show current migration/application state");
+    Ok(())
+}

crates/vespertide-cli/src/commands/status.rs

@@ -0,0 +1,38 @@
+use anyhow::Result;
+use clap::{Parser, Subcommand};
+
+mod commands;
+use commands::{cmd_diff, cmd_init, cmd_revision, cmd_status};
+
+/// vespertide command-line interface.
+#[derive(Parser, Debug)]
+#[command(name = "vespertide", author, version, about)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand, Debug)]
+enum Commands {
+    /// Show diff between applied migrations and current models.
+    Diff,
+    /// Show current status.
+    Status,
+    /// Create a new revision with a message.
+    Revision {
+        #[arg(short = 'm', long = "message")]
+        message: String,
+    },
+    /// Initialize vespertide.json with defaults.
+    Init,
+}
+
+fn main() -> Result<()> {
+    let cli = Cli::parse();
+    match cli.command {
+        Commands::Diff => cmd_diff(),
+        Commands::Status => cmd_status(),
+        Commands::Revision { message } => cmd_revision(message),
+        Commands::Init => cmd_init(),
+    }
+}