holochain_scaffolding_cli 0.4000.0-dev.13

CLI to easily generate and modify holochain apps
Documentation 
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use colored::Colorize;
use convert_case::Case;
use structopt::StructOpt;

use crate::{
    file_tree::{build_file_tree, load_directory_into_memory, FileTree},
    scaffold::{app::AppFileTree, dna::scaffold_dna},
    templates::ScaffoldedTemplate,
    utils::{check_case, input_with_case},
};

#[derive(Debug, StructOpt)]
/// Scaffold a DNA into an existing app
pub struct Dna {
    #[structopt(long)]
    /// Name of the app in which you want to scaffold the DNA
    pub app: Option<String>,

    /// Name of the DNA being scaffolded
    pub name: Option<String>,
}

impl Dna {
    pub fn run(self, template_file_tree: FileTree) -> anyhow::Result<()> {
        let current_dir = std::env::current_dir()?;
        let file_tree = load_directory_into_memory(&current_dir)?;

        let name = match self.name {
            Some(n) => {
                check_case(&n, "dna name", Case::Snake)?;
                n
            }
            None => input_with_case("DNA name (snake_case):", Case::Snake)?,
        };

        let app_file_tree = AppFileTree::get_or_choose(file_tree, self.app.as_deref())?;

        let ScaffoldedTemplate {
            file_tree,
            next_instructions,
        } = scaffold_dna(app_file_tree, &template_file_tree, &name)?;

        build_file_tree(file_tree, ".")?;

        println!("\nDNA {} scaffolded!", name.italic());

        if let Some(i) = next_instructions {
            println!("\n{}", i);
        } else {
            println!(
                r#"
Add new zomes to your DNA with:

  hc scaffold zome"#,
            );
        }

        Ok(())
    }
}