AbelBirdNest-Stock/docs/project-spec/purchase-analysis-mapping.md

Purchase Analysis Mapping

Dokumen ini memetakan sheet analisis pembelian ke modul sistem.

Letak proses

• Purchases: berat beli, kadar beli, harga referensi, modal barang awal.
• Receipts: berat masuk, kadar masuk, perbandingan beli vs masuk.
• Lots / Sorting: berat akhir, kadar akhir, rasio barang atas rata-rata.
• Purchase Analysis: biaya operasional, valuasi market, laba rugi total, laba rugi agen.

Mapping field

Field sheet	Sumber utama	Implementasi
Berat beli	Purchase lines	purchase_lines.qty_ordered atau override di purchase_analyses.weight_buy
Berat masuk	Receipt lines	agregat receipt_lines.qty_received atau override di purchase_analyses.weight_received
Berat akhir	Lots / sorting	agregat inventory_lots.original_qty atau override di purchase_analyses.weight_final
Kadar beli	Purchase	rata-rata purchase_lines.purchase_moisture_percent atau override
Kadar masuk	Receipt	rata-rata receipt_lines.moisture_percent atau override
Kadar akhir	Lot final	rata-rata inventory_lots.final_moisture_percent atau override
Barang atas rata-rata	QC / sorting	rata-rata inventory_lots.above_average_ratio_percent atau override
Harga MK A/R	Purchasing / owner	purchase_lines.market_reference_price atau override
Operasional	Costing	purchase_analysis_cost_entries
Laba/rugi agen	Costing	purchase_analyses.agent_profit_share_total

Rumus sistem

• berat_naik_percent = (berat_masuk - berat_beli) / berat_beli * 100
• susut_tambah = berat_akhir - berat_masuk
• modal_barang = sum(purchase_lines.subtotal)
• operasional = sum(cost_entries.amount)
• total_modal_beli = modal_barang + operasional
• modal_beli_per_kg = modal_barang / berat_beli
• modal_masuk_per_kg = modal_barang / berat_masuk
• modal_jual_per_kg = modal_barang / berat_akhir
• total_modal_mal = manual market valuation atau harga_mk_ar * berat_akhir
• total_laba_rugi = total_modal_mal - total_modal_beli
• laba_total_per_kg = (total_laba_rugi - laba_rugi_agen) / berat_akhir
• laba_agen_per_kg = laba_rugi_agen / berat_akhir

Catatan

• Istilah TOTAL MODAL MAL di sheet sumber belum sepenuhnya baku. Di sistem, field ini diwakili sebagai market valuation total, supaya tetap fleksibel.
• Semua angka hasil hitung tetap bisa dioverride lewat modul Purchase Analysis bila perusahaan ingin mengikuti angka manual owner.