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[request_definition]
r = sub, obj, act

[policy_definition]
p = sub, obj, act

[role_definition]
g = _, _

[policy_effect]

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# Request definition
[request_definition]
r = sub, obj, act

# Policy definition
[policy_definition]
p = sub, obj, act

# Policy effect
[policy_effect]

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//(1/3) Snippet to getting  first error(works even if nested case)

import { isObject } from "lodash";
export const getFirstErrorKey = (object: any, keys: string[] = []): any => {
  let firstErrorKey = "";
  if (Array.isArray(object)) {
    for (let i = 0; i < object.length; i++) {
      if (object[i]) {
        firstErrorKey = Object.keys(object)[i];
        break;

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// WithTrx enables repository with transaction
func (u userRepository) WithTrx(trxHandle *gorm.DB) userRepository {
	if trxHandle == nil {
		log.Print("Transaction Database not found")
		return u
	}
	u.DB = trxHandle
	return u
}
func (u userRepository) IncrementMoney(receiver uint, amount float64) error {

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// WithTrx enables service with repository containing of transaction
func (u userService) WithTrx(trxHandle *gorm.DB) userService {
	u.userRepository = u.userRepository.WithTrx(trxHandle)
	return u
}

func (u userService) IncrementMoney(receiver uint, amount float64) error {

	return u.userRepository.IncrementMoney(receiver, amount)
}

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func (u userController) TransferMoney(c *gin.Context) {
	log.Print("[UserController]...get all Users")

	txHandle := c.MustGet("db_trx").(*gorm.DB)

	var moneyTransfer model.MoneyTransfer
	if err := c.ShouldBindJSON(&moneyTransfer); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

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router.POST("/money-transfer", middleware.DBTransactionMiddleware(db), userController.TransferMoney)

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//StatusInList -> checks if the given status is in the list
func StatusInList(status int, statusList []int) bool {
	for _, i := range statusList {
		if i == status {
			return true
		}
	}
	return false
}

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// begin a transaction
tx := db.Begin()

// do some database operations in the transaction (use 'tx' from this point, not 'db')
tx.Create(...)

// ...

// rollback the transaction in case of error
tx.Rollback()

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=CONCATENATE("INSERT INTO gifts(name,gift_image,coin_value,category,created_at,updated_at) values(","'",A1,"','gif/",B1,".gif',",J1,",'",K1,"','2021-02-23 10:37:32','2021-02-23 10:37:32'",");")