feat: add max branches and cashiers limit, refine admin UI settings, implement tier-based qris fee

controllers/auth_controller.go

@@ -686,13 +686,20 @@ func CreateKasir(c *gin.Context) {
 		return
 	}
 
-	if !company.EnableMultiKasir {
+	if !company.EnableMultiKasir && company.MaxCashiers <= 0 {
 		var kasirCount int64
 		config.DB.Model(&models.User{}).Where("company_id = ? AND role = ?", *owner.CompanyID, "kasir").Count(&kasirCount)
 		if kasirCount >= 1 {
 			c.JSON(http.StatusForbidden, gin.H{"detail": "Paket perusahaan Anda tidak mendukung pembuatan lebih dari 1 kasir"})
 			return
 		}
+	} else if company.MaxCashiers > 0 {
+		var kasirCount int64
+		config.DB.Model(&models.User{}).Where("company_id = ? AND role = ?", *owner.CompanyID, "kasir").Count(&kasirCount)
+		if kasirCount >= int64(company.MaxCashiers) {
+			c.JSON(http.StatusForbidden, gin.H{"detail": fmt.Sprintf("Batas maksimal kasir (%d) telah tercapai untuk perusahaan Anda", company.MaxCashiers)})
+			return
+		}
 	}
 
 	hashedPassword, _ := middleware.HashPassword(req.Password)

controllers/company_controller.go

@@ -26,6 +26,7 @@ type CompanyResponse struct {
 	IsActive          bool       `json:"is_active"`
 	FeePercentage     float64    `json:"fee_percentage"`
 	CashFeeRules       string    `json:"cash_fee_rules"`
+	QrisFeeRules       string    `json:"qris_fee_rules"`
 	QrisFeePercentage  float64   `json:"qris_fee_percentage"`
 	QrisFeeFixed       int       `json:"qris_fee_fixed"`
 	QrisFeeMin         int       `json:"qris_fee_min"`
@@ -37,7 +38,9 @@ type CompanyResponse struct {
 	EnableMember       bool      `json:"enable_member"`
 	EnableVoucher      bool      `json:"enable_voucher"`
 	EnableMultiBranch  bool      `json:"enable_multi_branch"`
+	MaxBranches        int       `json:"max_branches"`
 	EnableMultiKasir   bool      `json:"enable_multi_kasir"`
+	MaxCashiers        int       `json:"max_cashiers"`
 	ApprovedAt        *time.Time `json:"approved_at"`
 	OwnerVerified     *bool      `json:"owner_verified,omitempty"`
 	OwnerName         string     `json:"owner_name,omitempty"`
@@ -207,6 +210,7 @@ func ListCompanies(c *gin.Context) {
 			OwnerPhone:        ownerPhone,
 			PointRules:        comp.PointRules,
 			CashFeeRules:      comp.CashFeeRules,
+			QrisFeeRules:      comp.QrisFeeRules,
 			QrisFeePercentage: comp.QrisFeePercentage,
 			QrisFeeFixed:      comp.QrisFeeFixed,
 			QrisFeeMin:        comp.QrisFeeMin,
@@ -218,7 +222,9 @@ func ListCompanies(c *gin.Context) {
 			EnableMember:      comp.EnableMember,
 			EnableVoucher:     comp.EnableVoucher,
 			EnableMultiBranch: comp.EnableMultiBranch,
+			MaxBranches:       comp.MaxBranches,
 			EnableMultiKasir:  comp.EnableMultiKasir,
+			MaxCashiers:       comp.MaxCashiers,
 			CreatedAt:         comp.CreatedAt,
 		})
 	}
@@ -721,13 +727,20 @@ func CreateBranch(c *gin.Context) {
 		return
 	}
 
-	if !company.EnableMultiBranch {
+	if !company.EnableMultiBranch && company.MaxBranches <= 0 {
 		var branchCount int64
 		config.DB.Model(&models.Branch{}).Where("company_id = ?", *owner.CompanyID).Count(&branchCount)
 		if branchCount >= 1 {
 			c.JSON(http.StatusForbidden, gin.H{"detail": "Paket perusahaan Anda tidak mendukung pembuatan lebih dari 1 cabang"})
 			return
 		}
+	} else if company.MaxBranches > 0 {
+		var branchCount int64
+		config.DB.Model(&models.Branch{}).Where("company_id = ?", *owner.CompanyID).Count(&branchCount)
+		if branchCount >= int64(company.MaxBranches) {
+			c.JSON(http.StatusForbidden, gin.H{"detail": fmt.Sprintf("Batas maksimal cabang (%d) telah tercapai untuk perusahaan Anda", company.MaxBranches)})
+			return
+		}
 	}
 
 	isPointEnabled := true
@@ -963,7 +976,9 @@ type UpdateCompanySettingsRequest struct {
 	EnableMember            *bool `json:"enable_member"`
 	EnableVoucher           *bool `json:"enable_voucher"`
 	EnableMultiBranch       *bool `json:"enable_multi_branch"`
+	MaxBranches             *int  `json:"max_branches"`
 	EnableMultiKasir        *bool `json:"enable_multi_kasir"`
+	MaxCashiers             *int  `json:"max_cashiers"`
 }
 
 func AdminUpdateCompanySettings(c *gin.Context) {
@@ -1001,6 +1016,12 @@ func AdminUpdateCompanySettings(c *gin.Context) {
 	if req.EnableMultiKasir != nil {
 		company.EnableMultiKasir = *req.EnableMultiKasir
 	}
+	if req.MaxBranches != nil {
+		company.MaxBranches = *req.MaxBranches
+	}
+	if req.MaxCashiers != nil {
+		company.MaxCashiers = *req.MaxCashiers
+	}
 
 	if err := config.DB.Save(&company).Error; err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"detail": "Gagal menyimpan pengaturan"})

controllers/fee_controller.go

@@ -212,8 +212,17 @@ type CashFeeRule struct {
 	Fee       int `json:"fee"`
 }
 
+type QrisFeeRule struct {
+	MinAmount     int     `json:"min_amount"`
+	MaxAmount     int     `json:"max_amount"`
+	FeePercentage float64 `json:"fee_percentage"`
+	FeeFixed      int     `json:"fee_fixed"`
+	FeeMin        int     `json:"fee_min"`
+}
+
 type UpdateFeeRequest struct {
 	CashFeeRules       []CashFeeRule `json:"cash_fee_rules"`
+	QrisFeeRules       []QrisFeeRule `json:"qris_fee_rules"`
 	QrisFeePercentage  float64       `json:"qris_fee_percentage"`
 	QrisFeeFixed       int           `json:"qris_fee_fixed"`
 	QrisFeeMin         int           `json:"qris_fee_min"`
@@ -252,7 +261,14 @@ func SetCompanyFee(c *gin.Context) {
 		return
 	}
 
+	qrisRulesBytes, err := json.Marshal(req.QrisFeeRules)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"detail": "Gagal memproses aturan fee qris"})
+		return
+	}
+
 	company.CashFeeRules = string(rulesBytes)
+	company.QrisFeeRules = string(qrisRulesBytes)
 	company.QrisFeePercentage = req.QrisFeePercentage
 	company.QrisFeeFixed = req.QrisFeeFixed
 	company.QrisFeeMin = req.QrisFeeMin

controllers/order_controller.go

@@ -808,10 +808,32 @@ func TripayWebhook(c *gin.Context) {
 				baseAmountForFee = order.SubtotalAmount
 			}
 			
-			fee := int((float64(baseAmountForFee) * company.QrisFeePercentage / 100) + float64(company.QrisFeeFixed))
-			if fee < company.QrisFeeMin {
-				fee = company.QrisFeeMin
+			fee := 0
+			ruleApplied := false
+			
+			if company.QrisFeeRules != "" && company.QrisFeeRules != "[]" {
+				var qrisRules []QrisFeeRule
+				if err := json.Unmarshal([]byte(company.QrisFeeRules), &qrisRules); err == nil {
+					for _, rule := range qrisRules {
+						if baseAmountForFee >= rule.MinAmount && baseAmountForFee <= rule.MaxAmount {
+							fee = int((float64(baseAmountForFee) * rule.FeePercentage / 100) + float64(rule.FeeFixed))
+							if fee < rule.FeeMin {
+								fee = rule.FeeMin
+							}
+							ruleApplied = true
+							break
+						}
+					}
+				}
+			}
+
+			if !ruleApplied {
+				fee = int((float64(baseAmountForFee) * company.QrisFeePercentage / 100) + float64(company.QrisFeeFixed))
+				if fee < company.QrisFeeMin {
+					fee = company.QrisFeeMin
+				}
 			}
+
 			order.PlatformFee = fee
 			awardPoints(tx, &order, &company)
 		}

models/models.go

@@ -22,6 +22,7 @@ type Company struct {
 	TripayPrivateKey   string         `gorm:"type:text" json:"tripay_private_key"`
 	TripayProxyURL     string         `gorm:"type:text" json:"tripay_proxy_url"`
 	CashFeeRules       string         `gorm:"type:text;default:'[]'" json:"cash_fee_rules"`
+	QrisFeeRules       string         `gorm:"type:text;default:'[]'" json:"qris_fee_rules"`
 	QrisFeePercentage  float64        `gorm:"type:float;default:1.7" json:"qris_fee_percentage"`
 	QrisFeeFixed       int            `gorm:"default:500" json:"qris_fee_fixed"`
 	QrisFeeMin         int            `gorm:"default:850" json:"qris_fee_min"`
@@ -33,7 +34,9 @@ type Company struct {
 	EnableMember       bool           `gorm:"default:true" json:"enable_member"`
 	EnableVoucher      bool           `gorm:"default:true" json:"enable_voucher"`
 	EnableMultiBranch  bool           `gorm:"default:false" json:"enable_multi_branch"`
+	MaxBranches        int            `gorm:"default:0" json:"max_branches"`
 	EnableMultiKasir   bool           `gorm:"default:false" json:"enable_multi_kasir"`
+	MaxCashiers        int            `gorm:"default:0" json:"max_cashiers"`
 	PointRules         []PointRule    `gorm:"foreignKey:CompanyID;constraint:OnDelete:CASCADE" json:"point_rules"`
 	CreatedAt         time.Time      `gorm:"autoCreateTime" json:"created_at"`
 	Branches          []Branch       `gorm:"foreignKey:CompanyID;constraint:OnDelete:CASCADE" json:"-"`