Merge remote-tracking branch 'origin/master'
This commit is contained in:
M_Kececi
286
svc/routes/wholesale_campaign_mail.go
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286
svc/routes/wholesale_campaign_mail.go
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@@ -0,0 +1,286 @@
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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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"github.com/lib/pq"
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)
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type wholesaleCampaignMailRow struct {
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ProductCode string
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UrunIlkGrubu string
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Marka string
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BrandGroupSec string
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Dim1 int64
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Dim3 int64
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CampaignCode string
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CampaignTitle string
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DiscountRate float64
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}
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func buildWholesaleCampaignChangeMailHTML(firstGroupCode string, rows []wholesaleCampaignMailRow, actor string, at time.Time) string {
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var b strings.Builder
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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>Kampanya 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>Varyant 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",
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"MARKA",
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"URUN KODU",
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"DIM1",
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"DIM3",
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"KAMPANYA",
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"IND %",
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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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campaignLabel := strings.TrimSpace(r.CampaignCode)
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if t := strings.TrimSpace(r.CampaignTitle); t != "" {
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if campaignLabel != "" {
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campaignLabel = campaignLabel + " - " + t
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} else {
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campaignLabel = t
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}
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}
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cells := []string{
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r.BrandGroupSec,
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r.Marka,
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r.ProductCode,
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fmt.Sprintf("%d", r.Dim1),
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func() string {
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if r.Dim3 > 0 {
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return fmt.Sprintf("%d", r.Dim3)
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}
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return ""
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}(),
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campaignLabel,
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fmt.Sprintf("%.2f", r.DiscountRate),
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}
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for i, c := range cells {
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align := "left"
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if i == 3 || i == 4 || i == 6 {
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align = "right"
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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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// sendWholesaleCampaignChangeMails sends one mail per UrunIlkGrubu using existing pricing mail mapping tables.
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// It lists only variants that currently have a campaign assigned.
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func sendWholesaleCampaignChangeMails(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("[campaign-mail] skipped: pg not ready")
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return
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}
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// Ensure mapping tables exist (reuse pricing mapping).
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if err := ensureFirstGroupMailMappingTables(pg); err != nil {
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log.Printf("[campaign-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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// Product info for grouping (UrunIlkGrubu, Marka, BrandGroupSec) comes from Nebim query.
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// This is best-effort: if MSSQL is down, we still send a single mail under group "UNKNOWN".
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productInfo := map[string]models.ProductPricing{}
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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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for _, r := range rows {
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code := strings.TrimSpace(r.ProductCode)
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if code != "" {
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productInfo[code] = r
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}
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}
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}
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}
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type dbRow struct {
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ProductCode string
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Dim1 int64
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Dim3 sql.NullInt64
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CampaignCode string
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CampaignTitle string
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DiscountRate float64
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}
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rows, err := pg.QueryContext(ctx, `
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WITH mm AS (
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SELECT id AS mmitem_id, code
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FROM mmitem
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WHERE code = ANY($1::text[])
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),
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latest AS (
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SELECT DISTINCT ON (z.mmitem_id, z.dim1, COALESCE(z.dim3, 0))
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z.mmitem_id,
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z.dim1,
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z.dim3,
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z.sdcampaign_id
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FROM zbggcampaign z
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JOIN mm ON mm.mmitem_id = z.mmitem_id
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ORDER BY z.mmitem_id, z.dim1, COALESCE(z.dim3, 0), z.id DESC
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)
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SELECT
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mm.code AS product_code,
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l.dim1,
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l.dim3,
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COALESCE(sc.code,'') AS campaign_code,
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COALESCE(sc.title,'') AS campaign_title,
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COALESCE(sc.discount_rate, 0)::float8 AS discount_rate
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FROM mm
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JOIN latest l
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ON l.mmitem_id = mm.mmitem_id
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JOIN sdcampaign sc
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ON sc.id = l.sdcampaign_id
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WHERE COALESCE(sc.is_active, TRUE) = TRUE
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ORDER BY mm.code, l.dim1, COALESCE(l.dim3, 0), sc.discount_rate DESC;
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`, pq.Array(codes))
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if err != nil {
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log.Printf("[campaign-mail] campaign rows query error: %v", err)
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return
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}
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defer rows.Close()
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mailRows := make([]wholesaleCampaignMailRow, 0, 1024)
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for rows.Next() {
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var r dbRow
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if err := rows.Scan(&r.ProductCode, &r.Dim1, &r.Dim3, &r.CampaignCode, &r.CampaignTitle, &r.DiscountRate); err != nil {
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log.Printf("[campaign-mail] scan error: %v", err)
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return
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}
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code := strings.TrimSpace(r.ProductCode)
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info := productInfo[code]
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group := strings.TrimSpace(info.UrunIlkGrubu)
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if group == "" {
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group = "UNKNOWN"
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}
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d3 := int64(0)
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if r.Dim3.Valid {
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d3 = r.Dim3.Int64
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}
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mailRows = append(mailRows, wholesaleCampaignMailRow{
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ProductCode: code,
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UrunIlkGrubu: group,
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Marka: strings.TrimSpace(info.Marka),
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BrandGroupSec: strings.TrimSpace(info.BrandGroupSec),
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Dim1: r.Dim1,
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Dim3: d3,
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CampaignCode: strings.TrimSpace(r.CampaignCode),
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CampaignTitle: strings.TrimSpace(r.CampaignTitle),
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DiscountRate: r.DiscountRate,
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})
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}
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if err := rows.Err(); err != nil {
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log.Printf("[campaign-mail] rows error: %v", err)
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return
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}
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if len(mailRows) == 0 {
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// Nothing assigned => no mail.
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return
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}
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byGroup := map[string][]wholesaleCampaignMailRow{}
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for _, r := range mailRows {
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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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recipients, err := loadPricingRecipients(pg, group)
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if err != nil {
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log.Printf("[campaign-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("[campaign-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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if list[i].ProductCode != list[j].ProductCode {
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return list[i].ProductCode < list[j].ProductCode
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}
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if list[i].Dim1 != list[j].Dim1 {
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return list[i].Dim1 < list[j].Dim1
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}
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return list[i].Dim3 < list[j].Dim3
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})
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subject := fmt.Sprintf("Kampanya Degisikligi | %s | %s | %d varyant", group, now.Format("02.01.2006 15:04"), len(list))
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html := buildWholesaleCampaignChangeMailHTML(group, list, actor, now)
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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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log.Printf("[campaign-mail] send failed group=%s err=%v", group, err)
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} else {
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log.Printf("[campaign-mail] sent group=%s to=%d variants=%d", group, len(recipients), len(list))
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}
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}
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}
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