Merge remote-tracking branch 'origin/master'

svc/routes/order_list_pdf.go

@@ -0,0 +1,211 @@
+package routes
+
+import (
+	"bssapp-backend/queries"
+	"bytes"
+	"database/sql"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/jung-kurt/gofpdf"
+)
+
+type orderListPDFRow struct {
+	OrderNumber        string
+	OrderDate          string
+	TerminTarihi       string
+	CurrAccCode        string
+	CurrAccDescription string
+	MusteriTemsilcisi  string
+	Piyasa             string
+	DocCurrencyCode    string
+	TotalAmount        float64
+	TotalAmountUSD     float64
+	PackedUSD          float64
+	PackedRatePct      float64
+	HasUretimUrunu     bool
+	Description        string
+}
+
+func OrderListPDFRoute(db *sql.DB) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		search := strings.TrimSpace(r.URL.Query().Get("search"))
+		currAcc := strings.TrimSpace(r.URL.Query().Get("CurrAccCode"))
+		orderDate := strings.TrimSpace(r.URL.Query().Get("OrderDate"))
+
+		rows, err := queries.GetOrderListExcel(db, search, currAcc, orderDate)
+		if err != nil {
+			http.Error(w, "db error: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+		defer rows.Close()
+
+		out := make([]orderListPDFRow, 0, 256)
+		for rows.Next() {
+			var (
+				id, no, date, termin, code, name string
+				rep, piyasa, cur                 string
+				total                            float64
+				totalUSD                         float64
+				packedAmount                     float64
+				packedUSD                        float64
+				packedRatePct                    float64
+				hasUretim                        bool
+				desc                             string
+				usdRate                          float64
+			)
+
+			if err := rows.Scan(
+				&id,
+				&no,
+				&date,
+				&termin,
+				&code,
+				&name,
+				&rep,
+				&piyasa,
+				&cur,
+				&total,
+				&totalUSD,
+				&packedAmount,
+				&packedUSD,
+				&packedRatePct,
+				&hasUretim,
+				&desc,
+				&usdRate,
+			); err != nil {
+				http.Error(w, "scan error: "+err.Error(), http.StatusInternalServerError)
+				return
+			}
+
+			_ = packedAmount
+			_ = usdRate
+
+			out = append(out, orderListPDFRow{
+				OrderNumber:        no,
+				OrderDate:          date,
+				TerminTarihi:       termin,
+				CurrAccCode:        code,
+				CurrAccDescription: name,
+				MusteriTemsilcisi:  rep,
+				Piyasa:             piyasa,
+				DocCurrencyCode:    cur,
+				TotalAmount:        total,
+				TotalAmountUSD:     totalUSD,
+				PackedUSD:          packedUSD,
+				PackedRatePct:      packedRatePct,
+				HasUretimUrunu:     hasUretim,
+				Description:        desc,
+			})
+		}
+
+		pdf := gofpdf.New("L", "mm", "A4", "")
+		pdf.SetMargins(8, 8, 8)
+		pdf.SetAutoPageBreak(true, 10)
+		if err := registerDejavuFonts(pdf, "dejavu"); err != nil {
+			http.Error(w, "pdf font error: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		drawOrderListPDF(pdf, out, search, currAcc, orderDate)
+		if err := pdf.Error(); err != nil {
+			http.Error(w, "pdf render error: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		var buf bytes.Buffer
+		if err := pdf.Output(&buf); err != nil {
+			http.Error(w, "pdf output error: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/pdf")
+		w.Header().Set("Content-Disposition", "inline; filename=\"siparis-listesi.pdf\"")
+		_, _ = w.Write(buf.Bytes())
+	})
+}
+
+func drawOrderListPDF(pdf *gofpdf.Fpdf, rows []orderListPDFRow, search, currAcc, orderDate string) {
+	headers := []string{
+		"Siparis No", "Tarih", "Termin", "Cari Kod", "Cari Adi", "Temsilci", "Piyasa",
+		"PB", "Tutar", "USD", "Paket USD", "%", "Uretim", "Aciklama",
+	}
+	widths := []float64{24, 14, 14, 18, 34, 16, 12, 8, 18, 18, 18, 10, 14, 43}
+
+	pdf.AddPage()
+	pdf.SetFont("dejavu", "B", 12)
+	pdf.CellFormat(0, 7, "Siparis Listesi", "", 1, "L", false, 0, "")
+
+	pdf.SetFont("dejavu", "", 8)
+	filterLine := fmt.Sprintf(
+		"Filtreler -> Arama: %s | Cari: %s | Siparis Tarihi: %s | Uretim: %s",
+		emptyDash(search), emptyDash(currAcc), emptyDash(orderDate), time.Now().Format("2006-01-02 15:04"),
+	)
+	pdf.CellFormat(0, 5, filterLine, "", 1, "L", false, 0, "")
+	pdf.Ln(1)
+
+	pdf.SetFont("dejavu", "B", 8)
+	pdf.SetFillColor(240, 240, 240)
+	for i, h := range headers {
+		pdf.CellFormat(widths[i], 6, h, "1", 0, "C", true, 0, "")
+	}
+	pdf.Ln(-1)
+
+	pdf.SetFont("dejavu", "", 7)
+	for _, row := range rows {
+		uretim := ""
+		if row.HasUretimUrunu {
+			uretim = "VAR"
+		}
+
+		cells := []string{
+			row.OrderNumber,
+			row.OrderDate,
+			row.TerminTarihi,
+			row.CurrAccCode,
+			shorten(row.CurrAccDescription, 24),
+			shorten(row.MusteriTemsilcisi, 12),
+			shorten(row.Piyasa, 10),
+			row.DocCurrencyCode,
+			fmt.Sprintf("%.2f", row.TotalAmount),
+			fmt.Sprintf("%.2f", row.TotalAmountUSD),
+			fmt.Sprintf("%.2f", row.PackedUSD),
+			fmt.Sprintf("%.2f", row.PackedRatePct),
+			uretim,
+			shorten(row.Description, 34),
+		}
+
+		for i, v := range cells {
+			align := "L"
+			if i >= 8 && i <= 11 {
+				align = "R"
+			}
+			if i == 1 || i == 2 || i == 7 || i == 12 {
+				align = "C"
+			}
+			pdf.CellFormat(widths[i], 5, v, "1", 0, align, false, 0, "")
+		}
+		pdf.Ln(-1)
+	}
+}
+
+func emptyDash(v string) string {
+	if strings.TrimSpace(v) == "" {
+		return "-"
+	}
+	return v
+}
+
+func shorten(v string, max int) string {
+	s := strings.TrimSpace(v)
+	if len([]rune(s)) <= max {
+		return s
+	}
+	r := []rune(s)
+	if max <= 1 {
+		return string(r[:1])
+	}
+	return string(r[:max-1]) + "…"
+}