Merge remote-tracking branch 'origin/master'

svc/routes/customer_balance_pdf.go

@@ -72,6 +72,9 @@ func ExportCustomerBalancePDFHandler(_ *sql.DB) http.HandlerFunc {
 
 		rows = filterCustomerBalanceRowsForPDF(rows, excludeZero12, excludeZero13)
 		summaries, detailsByMaster := buildCustomerBalancePDFData(rows)
+		sortBy := strings.TrimSpace(r.URL.Query().Get("sort_by"))
+		sortDesc := parseBoolQuery(r.URL.Query().Get("sort_desc"))
+		sortBalanceSummariesForPDF(summaries, sortBy, sortDesc)
 
 		pdf := gofpdf.New("L", "mm", "A4", "")
 		pdf.SetMargins(8, 8, 8)
@@ -240,6 +243,79 @@ func buildCustomerBalancePDFData(rows []models.CustomerBalanceListRow) ([]balanc
 	return summaries, detailsByMaster
 }
 
+func sortBalanceSummariesForPDF(summaries []balanceSummaryPDF, sortBy string, descending bool) {
+	key := strings.TrimSpace(sortBy)
+	if key == "" || len(summaries) <= 1 {
+		return
+	}
+
+	textCmp := func(a, b string) int {
+		return strings.Compare(strings.ToUpper(strings.TrimSpace(a)), strings.ToUpper(strings.TrimSpace(b)))
+	}
+	numCmp := func(a, b float64) int {
+		if a < b {
+			return -1
+		}
+		if a > b {
+			return 1
+		}
+		return 0
+	}
+
+	sort.SliceStable(summaries, func(i, j int) bool {
+		a := summaries[i]
+		b := summaries[j]
+		cmp := 0
+
+		switch key {
+		case "ana_cari_kodu":
+			cmp = textCmp(a.AnaCariKodu, b.AnaCariKodu)
+		case "ana_cari_adi":
+			cmp = textCmp(a.AnaCariAdi, b.AnaCariAdi)
+		case "piyasa":
+			cmp = textCmp(a.Piyasa, b.Piyasa)
+		case "temsilci":
+			cmp = textCmp(a.Temsilci, b.Temsilci)
+		case "risk_durumu":
+			cmp = textCmp(a.RiskDurumu, b.RiskDurumu)
+		case "usd_bakiye_1_2":
+			cmp = numCmp(a.USDBakiye12, b.USDBakiye12)
+		case "tl_bakiye_1_2":
+			cmp = numCmp(a.TLBakiye12, b.TLBakiye12)
+		case "usd_bakiye_1_3":
+			cmp = numCmp(a.USDBakiye13, b.USDBakiye13)
+		case "tl_bakiye_1_3":
+			cmp = numCmp(a.TLBakiye13, b.TLBakiye13)
+		case "vade_gun":
+			cmp = numCmp(a.VadeGun, b.VadeGun)
+		case "vade_belge_tarihi_gun":
+			cmp = numCmp(a.VadeBelge, b.VadeBelge)
+		case "prbr_1_2":
+			cmp = numCmp(sumCurrencyMapForSort(a.Bakiye12Map), sumCurrencyMapForSort(b.Bakiye12Map))
+		case "prbr_1_3":
+			cmp = numCmp(sumCurrencyMapForSort(a.Bakiye13Map), sumCurrencyMapForSort(b.Bakiye13Map))
+		default:
+			cmp = textCmp(a.AnaCariKodu, b.AnaCariKodu)
+		}
+
+		if cmp == 0 {
+			cmp = textCmp(a.AnaCariKodu, b.AnaCariKodu)
+		}
+		if descending {
+			return cmp > 0
+		}
+		return cmp < 0
+	})
+}
+
+func sumCurrencyMapForSort(m map[string]float64) float64 {
+	total := 0.0
+	for _, v := range m {
+		total += v
+	}
+	return total
+}
+
 func drawCustomerBalancePDF(
 	pdf *gofpdf.Fpdf,
 	selectedDate string,