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use crate::vendor::tera::Context;
use crate::{Archetect, RenderError};
use std::path::{Path, PathBuf};
pub trait Renderable {
type Result;
fn render(&self, archetect: &mut Archetect, context: &Context) -> Result<Self::Result, RenderError>;
}
impl Renderable for &str {
type Result = String;
fn render(&self, archetect: &mut Archetect, context: &Context) -> Result<Self::Result, RenderError> {
archetect.render_string(&self, context)
}
}
impl Renderable for &String {
type Result = String;
fn render(&self, archetect: &mut Archetect, context: &Context) -> Result<Self::Result, RenderError> {
archetect.render_string(&self, context)
}
}
impl Renderable for &Path {
type Result = PathBuf;
fn render(&self, archetect: &mut Archetect, context: &Context) -> Result<Self::Result, RenderError> {
if let Some(string) = self.to_str() {
match archetect.render_string(string, &context.clone()) {
Ok(result) => return Ok(PathBuf::from(result)),
Err(error) => {
match error {
RenderError::StringRenderError { string: _, source: error} => {
return Err(RenderError::PathRenderError {
path: self.into(),
source: error,
});
}
_ => panic!("Unexpected rendering error")
}
}
}
} else {
return Err(RenderError::InvalidPathCharacters {
path: self.to_path_buf(),
});
}
}
}
#[cfg(test)]
mod tests {
use crate::rendering::Renderable;
use crate::Archetect;
use std::path::{Path, PathBuf};
use crate::vendor::tera::Context;
#[test]
pub fn test_render_str_successfully() {
let mut archetect = Archetect::builder().build().unwrap();
let mut context = Context::new();
context.insert("subject", "world");
let render = "Hello, {{ subject }}".render(&mut archetect, &context).unwrap();
assert_eq!(render, "Hello, world".to_owned());
}
#[test]
pub fn test_render_path_successfully() {
let mut archetect = Archetect::builder().build().unwrap();
let mut context = Context::new();
context.insert("parent", "hello");
context.insert("child", "world");
let path = Path::new("{{ parent }}/{{ child }}");
let render = path.render(&mut archetect, &context).unwrap();
assert_eq!(render, PathBuf::from("hello/world"));
}
#[test]
pub fn test_render_empty_path() {
let archetect = &mut Archetect::builder().build().unwrap();
let mut context = Context::new();
context.insert("parent", "hello");
context.insert("child", "world");
let path = Path::new("");
let render = path.render(archetect, &context).unwrap();
assert_eq!(render, PathBuf::from(String::new()));
}
}