Calculation/app/lib/project_screen.js

'use strict';

module.exports = {
    getProgressPaths(rows) {
        const nodes = new Map(rows.map(row => [String(row.tree_id), row]));
        const paths = new Map();
        for (const row of rows) {
            const path = [];
            const visited = new Set();
            let node = row;
            while (node && !visited.has(String(node.tree_id))) {
                path.unshift(node);
                visited.add(String(node.tree_id));
                node = nodes.get(String(node.tree_pid));
            }
            paths.set(row.id, path);
        }
        return paths;
    },
    sortProgressRows(rows, paths) {
        return rows.slice().sort((a, b) => {
            const pathA = paths.get(a.id);
            const pathB = paths.get(b.id);
            for (let i = 0; i < Math.min(pathA.length, pathB.length); i++) {
                if (pathA[i].id === pathB[i].id) continue;
                return pathA[i].tree_order - pathB[i].tree_order || String(pathA[i].id).localeCompare(String(pathB[i].id));
            }
            return pathA.length - pathB.length;
        });
    },
    formatProgressPath(path, abbreviated = false) {
        const names = path.map(node => node.name);
        if (abbreviated && names.length > 2) return [names[0], '...', names[names.length - 1]].join(' / ');
        return names.join(' / ');
    },
};