Initial import of AbelBirdNest Stock

docs/project-spec/walet-report-queries.sql

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+-- 1. Stock summary per jenis-grade-gudang
+SELECT
+  it.name AS item_type,
+  ig.name AS item_grade,
+  w.name AS warehouse,
+  SUM(il.available_qty) AS qty_total,
+  SUM(il.available_qty * il.unit_cost) AS inventory_value,
+  COUNT(*) FILTER (WHERE il.status = 'ACTIVE') AS active_lot_count
+FROM inventory_lots il
+JOIN item_types it ON it.id = il.item_type_id
+JOIN item_grades ig ON ig.id = il.item_grade_id
+JOIN warehouses w ON w.id = il.warehouse_id
+WHERE il.status = 'ACTIVE'
+GROUP BY it.name, ig.name, w.name
+ORDER BY it.name, ig.name, w.name;
+
+-- 2. Stock aging report
+SELECT
+  il.lot_code,
+  s.name AS supplier,
+  it.name AS item_type,
+  ig.name AS item_grade,
+  il.available_qty,
+  il.unit_cost,
+  il.received_at,
+  DATE_PART('day', NOW() - il.received_at) AS aging_days,
+  il.status
+FROM inventory_lots il
+LEFT JOIN suppliers s ON s.id = il.supplier_id
+JOIN item_types it ON it.id = il.item_type_id
+JOIN item_grades ig ON ig.id = il.item_grade_id
+WHERE il.available_qty > 0
+ORDER BY aging_days DESC;
+
+-- 3. Purchase history per supplier
+SELECT
+  p.purchase_no,
+  p.purchase_date,
+  s.name AS supplier,
+  COUNT(pl.id) AS total_lines,
+  SUM(pl.subtotal) AS grand_total
+FROM purchases p
+JOIN suppliers s ON s.id = p.supplier_id
+JOIN purchase_lines pl ON pl.purchase_id = p.id
+GROUP BY p.id, p.purchase_no, p.purchase_date, s.name
+ORDER BY p.purchase_date DESC;
+
+-- 4. Sales margin report
+SELECT
+  sa.sales_no,
+  sa.sales_date,
+  c.name AS customer,
+  SUM(sl.subtotal) AS sales_total,
+  SUM(sl.costing_total) AS costing_total,
+  SUM(sl.gross_margin) AS gross_margin
+FROM sales sa
+JOIN customers c ON c.id = sa.customer_id
+JOIN sales_lines sl ON sl.sales_id = sa.id
+GROUP BY sa.id, sa.sales_no, sa.sales_date, c.name
+ORDER BY sa.sales_date DESC;
+
+-- 5. Supplier quality report berdasarkan hasil sortasi
+SELECT
+  sup.name AS supplier,
+  parent.lot_code AS source_lot,
+  ss.input_qty,
+  ss.output_qty,
+  ss.shrinkage_qty,
+  ROUND((ss.output_qty / NULLIF(ss.input_qty, 0)) * 100, 2) AS yield_percent
+FROM sorting_sessions ss
+JOIN inventory_lots parent ON parent.id = ss.source_lot_id
+LEFT JOIN suppliers sup ON sup.id = parent.supplier_id
+ORDER BY ss.sorting_date DESC;
+
+-- 6. Shrinkage report
+SELECT
+  sa.adjustment_no,
+  il.lot_code,
+  sup.name AS supplier,
+  it.name AS item_type,
+  ig.name AS item_grade,
+  ar.name AS reason,
+  sa.qty_before,
+  sa.qty_change,
+  sa.qty_after,
+  sa.cost_impact,
+  sa.adjustment_date
+FROM stock_adjustments sa
+JOIN inventory_lots il ON il.id = sa.inventory_lot_id
+LEFT JOIN suppliers sup ON sup.id = il.supplier_id
+JOIN item_types it ON it.id = il.item_type_id
+JOIN item_grades ig ON ig.id = il.item_grade_id
+JOIN adjustment_reasons ar ON ar.id = sa.reason_id
+ORDER BY sa.adjustment_date DESC;
+
+-- 7. Traceability by sales
+SELECT
+  s.sales_no,
+  c.name AS customer,
+  sl.id AS sales_line_id,
+  it.name AS item_type,
+  ig.name AS item_grade,
+  sl.qty_sold,
+  il.lot_code,
+  sup.name AS supplier,
+  sa.qty_allocated,
+  sa.unit_cost,
+  sa.total_cost,
+  p.purchase_no
+FROM sales s
+JOIN customers c ON c.id = s.customer_id
+JOIN sales_lines sl ON sl.sales_id = s.id
+JOIN item_types it ON it.id = sl.item_type_id
+JOIN item_grades ig ON ig.id = sl.item_grade_id
+JOIN sales_allocations sa ON sa.sales_line_id = sl.id
+JOIN inventory_lots il ON il.id = sa.inventory_lot_id
+LEFT JOIN suppliers sup ON sup.id = il.supplier_id
+LEFT JOIN purchases p ON p.id = il.purchase_id
+ORDER BY s.sales_no, sl.id, il.lot_code;
+
+-- 8. Forward trace by lot
+SELECT
+  il.lot_code,
+  sup.name AS supplier,
+  s.sales_no,
+  c.name AS customer,
+  sa.qty_allocated,
+  sa.total_cost,
+  s.sales_date
+FROM inventory_lots il
+JOIN sales_allocations sa ON sa.inventory_lot_id = il.id
+JOIN sales_lines sl ON sl.id = sa.sales_line_id
+JOIN sales s ON s.id = sl.sales_id
+JOIN customers c ON c.id = s.customer_id
+LEFT JOIN suppliers sup ON sup.id = il.supplier_id
+ORDER BY il.lot_code, s.sales_date;
+
+-- 9. Movement ledger per lot
+SELECT
+  il.lot_code,
+  im.movement_no,
+  im.movement_type,
+  im.qty_in,
+  im.qty_out,
+  im.balance_after,
+  im.unit_cost,
+  im.reference_type,
+  im.reference_id,
+  im.movement_date,
+  u.name AS created_by
+FROM inventory_movements im
+JOIN inventory_lots il ON il.id = im.inventory_lot_id
+JOIN users u ON u.id = im.created_by
+ORDER BY il.lot_code, im.movement_date;
+
+-- 10. Top customer by sales value
+SELECT
+  c.name AS customer,
+  SUM(sl.subtotal) AS total_sales,
+  SUM(sl.gross_margin) AS total_margin
+FROM sales s
+JOIN customers c ON c.id = s.customer_id
+JOIN sales_lines sl ON sl.sales_id = s.id
+GROUP BY c.name
+ORDER BY total_sales DESC;