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path: root/database/src/query_ser.rs
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/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2026 metamuffin <metamuffin.org>
*/

use crate::{Filter, MultiBehaviour, Query, Sort, SortOrder, Value};
use jellyobject::Path;

impl Query {
    pub fn show(&self) -> String {
        let mut o = String::new();
        if !matches!(self.filter, Filter::True) {
            o += &format!("FILTER {} ", self.filter.show())
        }
        if !matches!(self.sort, Sort::None) {
            o += &format!("SORT {} ", self.sort.show())
        }
        o
    }
}
impl Filter {
    pub fn show(&self) -> String {
        match self {
            Filter::True => "TRUE".to_string(),
            Filter::All(filters) => format!(
                "({})",
                filters
                    .iter()
                    .map(|f| f.show())
                    .collect::<Vec<_>>()
                    .join(" AND ")
            ),
            Filter::Any(filters) => format!(
                "({})",
                filters
                    .iter()
                    .map(|f| f.show())
                    .collect::<Vec<_>>()
                    .join(" OR ")
            ),
            Filter::Match(path, value) => {
                format!("{} = {}", show_path(path), show_value(value))
            }
            Filter::Has(path) => show_path(path),
        }
    }
}
impl Sort {
    pub fn show(&self) -> String {
        match self {
            Sort::None => "NONE".to_string(),
            Sort::Value(vs) => {
                format!(
                    "{} BY {} {}",
                    match vs.order {
                        SortOrder::Ascending => "ASCENDING",
                        SortOrder::Descending => "DESCENDING",
                    },
                    match vs.multi {
                        MultiBehaviour::Count => "COUNT",
                        MultiBehaviour::First => "FIRST",
                        MultiBehaviour::ForEach => "EACH",
                        MultiBehaviour::Max => "MAX",
                        MultiBehaviour::Min => "MIN",
                    },
                    show_path(&vs.path),
                )
            }
            Sort::TextSearch(path, value) => {
                format!("TEXT SEARCH {} = {value:?}", show_path(path),)
            }
        }
    }
}

fn show_path(path: &Path) -> String {
    path.0
        .iter()
        .map(|s| str::from_utf8(&s.0.to_be_bytes()).unwrap().to_string())
        .collect::<Vec<_>>()
        .join(".")
}
fn show_value(value: &Value) -> String {
    match value {
        Value::Tag(tag) => format!("{tag}"),
        Value::U32(x) => format!("{x}"),
        Value::U64(x) => format!("{x}"),
        Value::I64(x) => format!("{x}"),
        Value::String(x) => format!("{x:?}"),
        Value::Binary(x) => format!("{x:?}"),
    }
}