127 lines
3.3 KiB
Go
127 lines
3.3 KiB
Go
package entities
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import (
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"database/sql/driver"
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"encoding/json"
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"fmt"
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"time"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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type RewardType string
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const (
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RewardTypeVoucher RewardType = "VOUCHER"
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RewardTypePhysical RewardType = "PHYSICAL"
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RewardTypeDigital RewardType = "DIGITAL"
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RewardTypeBalance RewardType = "BALANCE"
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)
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// StringSlice is a custom type for []string that implements sql.Scanner and driver.Valuer
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type StringSlice []string
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// Scan implements the sql.Scanner interface for StringSlice
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func (s *StringSlice) Scan(value interface{}) error {
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if value == nil {
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*s = StringSlice{}
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return nil
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}
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var bytes []byte
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switch v := value.(type) {
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case []byte:
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bytes = v
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case string:
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bytes = []byte(v)
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default:
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return fmt.Errorf("cannot scan %T into StringSlice", value)
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}
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return json.Unmarshal(bytes, s)
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}
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// Value implements the driver.Valuer interface for StringSlice
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func (s StringSlice) Value() (driver.Value, error) {
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if s == nil {
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return nil, nil
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}
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return json.Marshal(s)
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}
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type TermsAndConditions struct {
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Sections []TncSection `json:"sections"`
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ExpiryDays int `json:"expiry_days"`
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}
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// Scan implements the sql.Scanner interface for TermsAndConditions
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func (t *TermsAndConditions) Scan(value interface{}) error {
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if value == nil {
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*t = TermsAndConditions{}
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return nil
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}
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var bytes []byte
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switch v := value.(type) {
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case []byte:
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bytes = v
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case string:
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bytes = []byte(v)
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default:
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return fmt.Errorf("cannot scan %T into TermsAndConditions", value)
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}
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return json.Unmarshal(bytes, t)
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}
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// Value implements the driver.Valuer interface for TermsAndConditions
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func (t TermsAndConditions) Value() (driver.Value, error) {
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return json.Marshal(t)
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}
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type TncSection struct {
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Title string `json:"title"`
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Rules []string `json:"rules"`
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}
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type Reward struct {
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ID uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
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Name string `gorm:"type:varchar(150);not null" json:"name"`
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RewardType RewardType `gorm:"type:varchar(50);not null" json:"reward_type"`
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CostPoints int64 `gorm:"type:bigint;not null" json:"cost_points"`
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Stock *int `gorm:"type:int" json:"stock,omitempty"`
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MaxPerCustomer int `gorm:"type:int;default:1" json:"max_per_customer"`
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Tnc *TermsAndConditions `gorm:"type:jsonb" json:"tnc,omitempty"`
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Metadata *map[string]interface{} `gorm:"type:jsonb" json:"metadata,omitempty"`
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Images *StringSlice `gorm:"type:jsonb" json:"images,omitempty"`
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CreatedAt time.Time `gorm:"type:timestamp;default:now()" json:"created_at"`
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UpdatedAt time.Time `gorm:"type:timestamp;default:now()" json:"updated_at"`
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}
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func (Reward) TableName() string {
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return "rewards"
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}
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func (r *Reward) BeforeCreate(tx *gorm.DB) error {
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if r.ID == uuid.Nil {
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r.ID = uuid.New()
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}
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return nil
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}
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func (r *Reward) BeforeUpdate(tx *gorm.DB) error {
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r.UpdatedAt = time.Now()
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return nil
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}
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type ListRewardsRequest struct {
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Page int `form:"page" binding:"min=1"`
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Limit int `form:"limit" binding:"min=1,max=100"`
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Search string `form:"search"`
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RewardType string `form:"reward_type"`
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MinPoints *int64 `form:"min_points"`
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MaxPoints *int64 `form:"max_points"`
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HasStock *bool `form:"has_stock"`
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}
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