112 lines
3.1 KiB
Rust
112 lines
3.1 KiB
Rust
use rand::Rng;
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use std::error::Error;
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use crate::{
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model::{self, SampleModel},
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publish, selection,
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};
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pub struct IzzilisBot<T: SampleModel, U: publish::Publisher, V: selection::Selector> {
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model: T,
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publisher: U,
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selector: V,
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loaded_samples: Vec<String>,
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}
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impl<T, U, V> IzzilisBot<T, U, V>
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where
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T: model::SampleModel,
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U: publish::Publisher,
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V: selection::Selector,
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{
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pub fn new(model: T, publisher: U, selector: V) -> IzzilisBot<T, U, V> {
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Self {
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model,
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publisher,
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loaded_samples: Vec::new(),
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selector: selector,
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}
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}
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pub fn generate_samples(&mut self) -> Result<(), Box<dyn Error>> {
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// let lines = self.model.generate_sample_lines()?;
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// for line in lines {
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// self.selector.send_for_review(line)?;
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// }
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// self.loaded_samples = self.selector.collect_selected_samples(); // wtf happens to the original self.loaded_samples???????
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// Ok(())
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todo!()
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}
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pub fn publish(&mut self) -> Result<(), U::Error> {
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if self.loaded_samples.len() < 5 {
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// Refresh samples. Either none have been generated so far,
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// or generated ones are stale.
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//
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// This is a shit solution, but I'm going with it for v1
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// purely because I don't know the language well enough to be
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// confident in doing this via threads. Yet.
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// TODO handle errors here
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let _ = self.generate_samples();
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}
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let sample_index = rand::thread_rng().gen_range(0..self.loaded_samples.len() - 1);
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let content = self.loaded_samples[sample_index].clone();
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self.loaded_samples.remove(sample_index);
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self.publisher.publish(content)
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}
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}
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#[cfg(tests)]
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mod tests {
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use std::io::{self, ErrorKind};
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use crate::{generator, model, publish};
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struct fake_sampler {
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should_ok: bool,
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ok_str: String,
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}
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struct fake_publisher {
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should_ok: bool,
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}
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impl model::SampleModel for fake_sampler {
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fn get_sample(&self) -> Result<String, io::Error> {
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if self.should_ok {
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return Ok(self.ok_str.clone());
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}
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Err(io::Error::new(ErrorKind::NotFound, "error"))
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}
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}
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impl publish::Publisher for fake_publisher {
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fn publish(&self, content: String) -> Option<Box<dyn std::error::Error>> {
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if self.should_ok {
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return None;
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}
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Some(Box::new(io::Error::new(ErrorKind::NotFound, "error")))
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}
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}
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#[test]
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fn generate_samples_populates() {
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let model_ok_string = String::from("model_ok");
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let model = fake_sampler {
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should_ok: true,
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ok_str: model_ok_string,
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};
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let gen = generator::Generator::new(model);
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let publish = fake_publisher { should_ok: true };
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let mut bot = super::IzzilisBot::new(gen, publish);
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match bot.publish() {
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Some(_) => panic!("publish failed"),
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None => (),
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}
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}
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}
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