buildlog-consultant 0.1.0

buildlog parser and analyser
Documentation 
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use crate::SingleLineMatch;
use chatgpt::prelude::*;
use chatgpt::types::CompletionResponse;

pub const MAX_TOKENS: usize = 4096;

pub const INITIAL_PROMPT: &str =
    "Which line in the log file below is the clearest explanation of a problem:\n\n";

pub async fn analyze(chatgpt_key: String, lines: Vec<&str>) -> Option<SingleLineMatch> {
    let client = ChatGPT::new(chatgpt_key).unwrap();

    // Select lines from the end, but not more than MAX_TOKENS - INITIAL_PROMPT.len()
    // Also, only include full lines
    let mut truncated = lines
        .iter()
        .rev()
        .take_while(|line| line.len() < MAX_TOKENS - INITIAL_PROMPT.len())
        .collect::<Vec<_>>();

    // Reverse the lines back
    truncated.reverse();

    let prompt = format!(
        "{}{}",
        INITIAL_PROMPT,
        truncated
            .into_iter()
            .map(|line| *line)
            .collect::<Vec<_>>()
            .join("\n")
    );

    // Sending a message and getting the completion
    let response: CompletionResponse = client.send_message(&prompt).await.unwrap();

    let text = &response.message().content;

    for (i, line) in lines.iter().enumerate().rev() {
        if line.starts_with(text) {
            return Some(SingleLineMatch::from_lines(&lines, i, Some("chatgpt")));
        }
    }

    log::debug!("Unable to find chatgpt answer in lines: {:?}", text);

    None
}