devbrain 0.2.0

Local-first CLI to capture, search, and recall developer workflow (commands, errors, and fixes)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156

use crate::{models::Entry, utils};

const CONTENT_MAX_LEN: usize = 120;
const RELATED_MAX_LEN: usize = 72;

#[derive(Clone, Copy)]
pub struct DisplayOptions {
    pub color: bool,
}

pub fn print_entry(
    entry: &Entry,
    terms: Option<&[String]>,
    related: &[&Entry],
    options: DisplayOptions,
) {
    println!("{}", entry_header(entry, options));
    println!("{}", format_content(&entry.content, terms, CONTENT_MAX_LEN));

    if !entry.tags.is_empty() {
        println!("Tags: {}", entry.tags.join(", "));
    }

    if !related.is_empty() {
        println!("Related:");

        for related_entry in related {
            println!(
                "- {}: {}",
                related_label(related_entry, options),
                format_content(&related_entry.content, None, RELATED_MAX_LEN)
            );
        }
    }

    println!();
}

fn entry_header(entry: &Entry, options: DisplayOptions) -> String {
    let timestamp = utils::format_timestamp(&entry.timestamp);
    let status = match (entry.entry_type.as_str(), entry.success) {
        ("command", Some(true)) => colorize("[SUCCESS]", "32", options.color),
        ("command", Some(false)) => colorize("[FAILED ]", "31", options.color),
        _ => "         ".to_string(),
    };
    let label = colorize(
        &format!("[{:<7}]", entry_type_label(entry)),
        entry_type_color(entry),
        options.color,
    );

    format!("{}{} {} {}", label, status, entry.project, timestamp)
}

fn highlight_terms(text: &str, terms: Option<&[String]>) -> String {
    let Some(terms) = terms.filter(|terms| !terms.is_empty()) else {
        return text.to_string();
    };

    let lower = text.to_lowercase();
    let mut matches: Vec<(usize, usize)> = Vec::new();

    for term in terms {
        if term.is_empty() {
            continue;
        }

        let mut start = 0;
        while let Some(found) = lower[start..].find(term) {
            let match_start = start + found;
            let match_end = match_start + term.len();
            matches.push((match_start, match_end));
            start = match_end;
        }
    }

    if matches.is_empty() {
        return text.to_string();
    }

    matches.sort_unstable_by(|a, b| a.0.cmp(&b.0).then_with(|| a.1.cmp(&b.1)));

    let mut merged: Vec<(usize, usize)> = Vec::new();
    for (start, end) in matches {
        if let Some((_, last_end)) = merged.last_mut() {
            if start <= *last_end {
                *last_end = (*last_end).max(end);
                continue;
            }
        }

        merged.push((start, end));
    }

    let mut result = String::new();
    let mut last = 0;

    for (start, end) in merged {
        result.push_str(&text[last..start]);
        result.push_str("**");
        result.push_str(&text[start..end]);
        result.push_str("**");
        last = end;
    }

    result.push_str(&text[last..]);
    result
}

fn related_label(entry: &Entry, options: DisplayOptions) -> String {
    let label = colorize(
        &format!("[{:<7}]", entry_type_label(entry)),
        entry_type_color(entry),
        options.color,
    );
    format!("{} {}", label, utils::format_timestamp(&entry.timestamp))
}

fn entry_type_label(entry: &Entry) -> &'static str {
    match entry.entry_type.as_str() {
        "command" => "COMMAND",
        "log" => "LOG",
        "error" => "ERROR",
        _ => "ENTRY",
    }
}

fn entry_type_color(entry: &Entry) -> &'static str {
    match entry.entry_type.as_str() {
        "command" => "36",
        "error" => "33",
        _ => "0",
    }
}

fn format_content(content: &str, terms: Option<&[String]>, max_len: usize) -> String {
    let content = truncate_content(content, max_len);
    highlight_terms(&content, terms)
}

fn truncate_content(content: &str, max_len: usize) -> String {
    if content.chars().count() <= max_len {
        return content.to_string();
    }

    let truncated: String = content.chars().take(max_len - 3).collect();
    format!("{}...", truncated)
}

fn colorize(text: &str, code: &str, enabled: bool) -> String {
    if !enabled || code == "0" {
        return text.to_string();
    }

    format!("\x1b[{}m{}\x1b[0m", code, text)
}