Report Generator

073_report_generator.cell

// ============================================================================
// 073 — Report Generator
// ============================================================================
// Builds a formatted text report from data.
//
// Run:   soma run 073_report_generator.cell run
// Expect:
//   ========================================
//   QUARTERLY REPORT
//   ========================================
//   Q1: revenue=1700, deals=2
//   Q2: revenue=3300, deals=2
//   Q3: revenue=2600, deals=3
//   Q4: revenue=1050, deals=3
//   ========================================
//   TOTAL: 8650 across 10 deals
//   ========================================

cell ReportGenerator {

    on run() {
        let sales = list(
            map("rep", "Alice", "amount", 500, "quarter", "Q1"),
            map("rep", "Bob", "amount", 1200, "quarter", "Q1"),
            map("rep", "Carol", "amount", 2500, "quarter", "Q2"),
            map("rep", "Alice", "amount", 800, "quarter", "Q2"),
            map("rep", "Bob", "amount", 350, "quarter", "Q3"),
            map("rep", "Carol", "amount", 1500, "quarter", "Q3"),
            map("rep", "Alice", "amount", 750, "quarter", "Q3"),
            map("rep", "Bob", "amount", 400, "quarter", "Q4"),
            map("rep", "Carol", "amount", 400, "quarter", "Q4"),
            map("rep", "Alice", "amount", 250, "quarter", "Q4")
        )

        let sep = "========================================"
        print(sep)
        print("QUARTERLY REPORT")
        print(sep)

        // Aggregate by quarter
        let by_quarter = sales |> agg("quarter", "amount:sum") |> sort_by("quarter", "asc")
        for row in by_quarter {
            print("{row.quarter}: revenue={row.amount_sum}, deals={row.count}")
        }

        let total = sales |> sum_by("amount")
        let deal_count = sales.length

        print(sep)
        print("TOTAL: {total} across {deal_count} deals")
        print(sep)

        return "done"
    }
}