feat[BE-127]: create available qty API and inisiate sales order and delivery order

internal/entities/marketing.go

@@ -0,0 +1,26 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Marketing struct {
+	Id            uint           `gorm:"primaryKey;autoIncrement"`
+	SoNumber      string         `gorm:"uniqueIndex;not null"`
+	CustomerId    uint           `gorm:"not null"`
+	SoDocs        string         `gorm:"type:varchar(20)"`
+	SoDate        time.Time      `gorm:"type:date;not null"`
+	SalesPersonId uint           `gorm:"not null"`
+	Notes         string         `gorm:"type:text"`
+	CreatedBy     uint           `gorm:"not null"`
+	CreatedAt     time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt     time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt     gorm.DeletedAt `gorm:"index" json:"-"`
+
+	Customer    Customer           `gorm:"foreignKey:CustomerId;references:Id"`
+	SalesPerson User               `gorm:"foreignKey:SalesPersonId;references:Id"`
+	CreatedUser User               `gorm:"foreignKey:CreatedBy;references:Id"`
+	Products    []MarketingProduct `gorm:"foreignKey:MarketingId;references:Id"`
+}