Merge remote-tracking branch 'origin/master'
This commit is contained in:
M_Kececi
265
svc/routes/product_pricing_change_mail.go
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265
svc/routes/product_pricing_change_mail.go
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@@ -0,0 +1,265 @@
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package routes
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import (
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"context"
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"database/sql"
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"fmt"
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"log"
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"sort"
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"strings"
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"time"
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"bssapp-backend/db"
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"bssapp-backend/internal/mailer"
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"bssapp-backend/models"
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"bssapp-backend/queries"
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)
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func loadPricingRecipients(pg *sql.DB, firstGroupCode string) ([]string, error) {
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rows, err := pg.Query(`
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SELECT DISTINCT TRIM(m.email) AS email
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FROM mk_pricing_first_group_mail f
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JOIN mk_mail m
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ON m.id = f.mail_id
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WHERE m.is_active = true
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AND COALESCE(TRIM(m.email), '') <> ''
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AND UPPER(TRIM(f.urun_ilk_grubu)) = UPPER(TRIM($1))
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ORDER BY email
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`, strings.TrimSpace(firstGroupCode))
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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out := make([]string, 0, 16)
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for rows.Next() {
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var email string
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if err := rows.Scan(&email); err != nil {
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return nil, err
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}
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email = strings.TrimSpace(email)
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if email != "" {
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out = append(out, email)
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}
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}
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return out, rows.Err()
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}
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func htmlEscapeMini(s string) string {
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// Minimal safe escaping for our templated cells.
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r := strings.NewReplacer(
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"&", "&",
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"<", "<",
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">", ">",
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"\"", """,
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"'", "'",
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)
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return r.Replace(s)
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}
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func fmtMoneyMail(v float64) string { return fmt.Sprintf("%.2f", v) }
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func fmtQtyMail(v float64) string { return fmt.Sprintf("%.2f", v) }
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func fmtDateTRFromISO(d string) string {
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d = strings.TrimSpace(d)
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if len(d) >= 10 {
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d = d[:10]
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}
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parts := strings.Split(d, "-")
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if len(parts) != 3 {
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if d == "" {
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return "-"
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}
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return d
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}
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y, m, day := parts[0], parts[1], parts[2]
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if y == "" || m == "" || day == "" {
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return d
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}
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return day + "." + m + "." + y
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}
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func buildPricingChangeMailHTML(firstGroupCode string, rows []models.ProductPricing, actor string, at time.Time) string {
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// Keep it simple: wide, scrollable table.
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var b strings.Builder
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// NOTE: Mail clients often render small fonts; keep this comfortably readable.
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// Use large inline sizes (some clients still downscale); keep everything inline for maximum compatibility.
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b.WriteString(`<div style="font-family:Segoe UI, Arial, sans-serif; font-size:18px; line-height:1.35; -webkit-text-size-adjust:100%;">`)
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b.WriteString(`<div style="margin-bottom:10px;">`)
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b.WriteString(`<div style="font-size:22px; margin-bottom:4px;"><b>Fiyat Degisikligi</b></div>`)
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b.WriteString(`<div>Urun Ilk Grubu: <b>` + htmlEscapeMini(firstGroupCode) + `</b></div>`)
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if strings.TrimSpace(actor) != "" {
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b.WriteString(`<div>Islem Yapan: <b>` + htmlEscapeMini(actor) + `</b></div>`)
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}
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b.WriteString(`<div>Tarih: <b>` + htmlEscapeMini(at.Format("02.01.2006 15:04")) + `</b></div>`)
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b.WriteString(`<div>Urun Sayisi: <b>` + fmt.Sprintf("%d", len(rows)) + `</b></div>`)
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b.WriteString(`</div>`)
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b.WriteString(`<div style="max-width:100%; overflow-x:auto;">`)
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b.WriteString(`<table style="border-collapse:collapse; font-size:16px; white-space:nowrap;">`)
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b.WriteString(`<thead><tr>`)
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heads := []string{
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"MARKA GRUBU", "MARKA", "BRAND CODE", "URUN KODU",
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"STOK ADET", "STOK GIRIS", "SON MALIYET", "SON FIYAT",
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"ASKILI YAN", "KATEGORI", "URUN ILK GRUBU", "URUN ANA GRUBU", "URUN ALT GRUBU", "ICERIK", "KARISIM",
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"MALIYET FIYATI", "TABAN USD", "TABAN TRY",
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"USD1", "USD2", "USD3", "USD4", "USD5", "USD6",
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"EUR1", "EUR2", "EUR3", "EUR4", "EUR5", "EUR6",
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"TRY1", "TRY2", "TRY3", "TRY4", "TRY5", "TRY6",
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}
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for _, h := range heads {
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b.WriteString(`<th style="border:1px solid #d0d0d0; background:#f3f3f3; padding:8px 10px; text-align:left; font-size:16px;">` + htmlEscapeMini(h) + `</th>`)
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}
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b.WriteString(`</tr></thead><tbody>`)
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for _, r := range rows {
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b.WriteString(`<tr>`)
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cells := []string{
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r.BrandGroupSec,
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r.Marka,
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r.BrandCode,
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r.ProductCode,
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fmtQtyMail(r.StockQty),
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fmtDateTRFromISO(r.StockEntryDate),
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fmtDateTRFromISO(r.LastCostingDate),
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fmtDateTRFromISO(r.LastPricingDate),
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r.AskiliYan,
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r.Kategori,
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r.UrunIlkGrubu,
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r.UrunAnaGrubu,
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r.UrunAltGrubu,
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r.Icerik,
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r.Karisim,
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fmtMoneyMail(r.CostPrice),
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fmtMoneyMail(r.BasePriceUsd),
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fmtMoneyMail(r.BasePriceTry),
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fmtMoneyMail(r.USD1), fmtMoneyMail(r.USD2), fmtMoneyMail(r.USD3), fmtMoneyMail(r.USD4), fmtMoneyMail(r.USD5), fmtMoneyMail(r.USD6),
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fmtMoneyMail(r.EUR1), fmtMoneyMail(r.EUR2), fmtMoneyMail(r.EUR3), fmtMoneyMail(r.EUR4), fmtMoneyMail(r.EUR5), fmtMoneyMail(r.EUR6),
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fmtMoneyMail(r.TRY1), fmtMoneyMail(r.TRY2), fmtMoneyMail(r.TRY3), fmtMoneyMail(r.TRY4), fmtMoneyMail(r.TRY5), fmtMoneyMail(r.TRY6),
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}
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for i, c := range cells {
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align := "left"
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// right align numeric-ish cells
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if i >= 4 {
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switch i {
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case 4, 15, 16, 17,
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18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29,
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30, 31, 32, 33, 34, 35:
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align = "right"
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}
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}
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b.WriteString(`<td style="border:1px solid #e0e0e0; padding:8px 10px; text-align:` + align + `;">` + htmlEscapeMini(strings.TrimSpace(c)) + `</td>`)
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}
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b.WriteString(`</tr>`)
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}
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b.WriteString(`</tbody></table></div>`)
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b.WriteString(`<div style="margin-top:12px; font-size:14px; color:#666;">Bu e-posta BSSApp sistemi tarafindan otomatik olusturulmustur.</div>`)
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b.WriteString(`</div>`)
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return b.String()
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}
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// sendPricingChangeMails sends one mail per UrunIlkGrubu (group) based on mk_pricing_first_group_mail mapping.
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// It is designed to be called post-commit in a goroutine.
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func sendPricingChangeMails(bg context.Context, ml *mailer.GraphMailer, productCodes []string, actor string) {
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if ml == nil {
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return
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}
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pg := db.PgDB
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if pg == nil {
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log.Printf("[pricing-mail] skipped: pg not ready")
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return
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}
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// Ensure mapping tables exist.
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if err := ensureFirstGroupMailMappingTables(pg); err != nil {
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log.Printf("[pricing-mail] mapping bootstrap error: %v", err)
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return
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}
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ctx, cancel := context.WithTimeout(bg, 90*time.Second)
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defer cancel()
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codes := make([]string, 0, len(productCodes))
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seen := map[string]struct{}{}
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for _, c := range productCodes {
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c = strings.TrimSpace(c)
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if c == "" {
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continue
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}
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if _, ok := seen[c]; ok {
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continue
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}
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seen[c] = struct{}{}
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codes = append(codes, c)
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}
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if len(codes) == 0 {
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return
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}
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rows, err := queries.GetAllProductPricingRows(ctx, 500, queries.ProductPricingFilters{ProductCode: codes}, "productCode", false)
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if err != nil {
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log.Printf("[pricing-mail] pricing rows query error: %v", err)
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return
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}
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if len(rows) == 0 {
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return
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}
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byGroup := map[string][]models.ProductPricing{}
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for _, r := range rows {
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g := strings.TrimSpace(r.UrunIlkGrubu)
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if g == "" {
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g = "UNKNOWN"
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}
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byGroup[g] = append(byGroup[g], r)
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}
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now := time.Now()
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for group, list := range byGroup {
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// No mapping = skip.
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recipients, err := loadPricingRecipients(pg, group)
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if err != nil {
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log.Printf("[pricing-mail] recipient query error group=%s err=%v", group, err)
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continue
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}
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if len(recipients) == 0 {
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log.Printf("[pricing-mail] no recipients mapped group=%s", group)
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continue
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}
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sort.Slice(list, func(i, j int) bool {
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return strings.TrimSpace(list[i].ProductCode) < strings.TrimSpace(list[j].ProductCode)
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})
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subject := fmt.Sprintf("Fiyat Degisikligi | %s | %s | %d urun", group, now.Format("02.01.2006 15:04"), len(list))
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html := buildPricingChangeMailHTML(group, list, actor, now)
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// Retry 2 times with backoff.
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backoff := []time.Duration{800 * time.Millisecond, 2500 * time.Millisecond}
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var lastErr error
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for attempt := 0; attempt < len(backoff)+1; attempt++ {
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if attempt > 0 {
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time.Sleep(backoff[attempt-1])
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}
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stepCtx, stepCancel := context.WithTimeout(bg, 25*time.Second)
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err := ml.Send(stepCtx, mailer.Message{
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To: recipients,
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Subject: subject,
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BodyHTML: html,
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})
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stepCancel()
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if err == nil {
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lastErr = nil
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break
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}
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lastErr = err
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}
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if lastErr != nil {
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log.Printf("[pricing-mail] send failed group=%s err=%v", group, lastErr)
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} else {
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log.Printf("[pricing-mail] sent group=%s to=%d products=%d", group, len(recipients), len(list))
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}
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}
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}
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