rtlibs-utils 0.1.6

rtools library: utilities
Documentation 
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use std::path::Path;
use std::path::PathBuf;

use inquire::validator::ValueRequiredValidator;

use super::validators;
use super::PromptError;
use super::SEP;

pub struct PromptPath
{
    message: String,
    default: Option<PathBuf>,
    existing: bool,
    creating: bool,
    dir: bool,
    file: bool,
}

impl PromptPath
{
    pub fn new<S>(message: S) -> Self
    where
        S: AsRef<str>,
    {
        let inner = |message: &str| {
            let message = format!("{message}{SEP}");
            Self {
                message,
                default: None,
                existing: false,
                creating: false,
                dir: false,
                file: false,
            }
        };

        inner(message.as_ref())
    }

    pub fn with_default<P>(
        mut self,
        value: P,
    ) -> Self
    where
        P: AsRef<Path>,
    {
        let inner = |value: &Path| {
            self.default = Some(value.to_path_buf());
            self
        };

        inner(value.as_ref())
    }

    pub fn existing(mut self) -> Self
    {
        self.existing = true;
        self
    }

    pub fn creating_file(mut self) -> Self
    {
        self.creating = true;
        self.file = true;
        self
    }

    pub fn creating_dir(mut self) -> Self
    {
        self.creating = true;
        self.dir = true;
        self
    }

    pub fn is_dir(mut self) -> Self
    {
        self.dir = true;
        self
    }

    pub fn is_file(mut self) -> Self
    {
        self.file = true;
        self
    }

    pub fn prompt(self) -> Result<PathBuf, PromptError>
    {
        let Self {
            message,
            default,
            existing,
            creating,
            dir,
            file,
        } = self;

        let mut prompt = inquire::Text::new(&message);

        if let Some(default) = default.as_ref()
        {
            prompt = prompt.with_default(
                default
                    .to_str()
                    .unwrap(),
            );
        }

        prompt = prompt.with_validator(ValueRequiredValidator::default());
        if existing && dir
        {
            prompt = prompt.with_validator(validators::path_existing_dir);
        }
        else if existing && file
        {
            prompt = prompt.with_validator(validators::path_existing_file);
        }
        else if existing
        {
            prompt = prompt.with_validator(validators::path_existing);
        }
        else
        {
            prompt = prompt.with_validator(validators::path);
        }
        if creating && dir
        {
            prompt = prompt.with_validator(validators::path_creating_dir);
        }
        else if creating && file
        {
            prompt = prompt.with_validator(validators::path_creating_file);
        }

        let response = prompt.prompt()?;
        let path = PathBuf::new().join(response);

        Ok(path)
    }
}