/
functions.go
177 lines (156 loc) · 6.19 KB
/
functions.go
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package main
import (
"context"
"fmt"
"github.com/project-flogo/rules/config"
"github.com/project-flogo/rules/common/model"
)
//add this sample file to your flogo project
func init() {
// rule UserData
config.RegisterConditionEvaluator("cNewUser", cNewUser)
config.RegisterActionFunction("aNewUser", aNewUser)
// rule NewUser
config.RegisterConditionEvaluator("cBadUser", cBadUser)
config.RegisterActionFunction("aBadUser", aBadUser)
// rule NewUserApprove
config.RegisterConditionEvaluator("cUserIdMatch", cUserIdMatch)
config.RegisterConditionEvaluator("cUserCreditScore", cUserCreditScore)
config.RegisterActionFunction("aApproveWithLowerLimit", aApproveWithLowerLimit)
// // rule NewUserReject
config.RegisterConditionEvaluator("cUserIdMatch", cUserIdMatch)
config.RegisterConditionEvaluator("cUserLowCreditScore", cUserLowCreditScore)
config.RegisterActionFunction("aUserReject", aUserReject)
// // rule NewUserApprove1
config.RegisterConditionEvaluator("cUserIdMatch", cUserIdMatch)
config.RegisterConditionEvaluator("cUserHighCreditScore", cUserHighCreditScore)
config.RegisterActionFunction("aApproveWithHigherLimit", aApproveWithHigherLimit)
}
func cNewUser(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
newaccount := tuples["NewAccount"]
if newaccount != nil {
address, _ := newaccount.GetString("Address")
age, _ := newaccount.GetInt("Age")
income, _ := newaccount.GetInt("Income")
if address != "" && age >= 18 && income >= 10000 && age <= 44 {
return true
}
}
return false
}
func aNewUser(ctx context.Context, rs model.RuleSession, ruleName string, tuples map[model.TupleType]model.Tuple, ruleCtx model.RuleContext) {
fmt.Println("Rule fired:", ruleName)
newaccount := tuples["NewAccount"]
Id, _ := newaccount.GetInt("Id")
name, _ := newaccount.GetString("Name")
address, _ := newaccount.GetString("Address")
age, _ := newaccount.GetInt("Age")
income, _ := newaccount.GetInt("Income")
userInfo, _ := model.NewTupleWithKeyValues("UserAccount", Id)
userInfo.SetString(ctx, "Name", name)
userInfo.SetString(ctx, "Addresss", address)
userInfo.SetInt(ctx, "Age", age)
userInfo.SetInt(ctx, "Income", income)
fmt.Println(userInfo)
rs.Assert(ctx, userInfo)
fmt.Println("User information received")
}
func cBadUser(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
newaccount := tuples["NewAccount"]
if newaccount != nil {
address, _ := newaccount.GetString("Address")
age, _ := newaccount.GetInt("Age")
income, _ := newaccount.GetInt("Income")
if address == "" || age < 18 || income < 10000 || age >= 45 {
return true
}
}
return false
}
func aBadUser(ctx context.Context, rs model.RuleSession, ruleName string, tuples map[model.TupleType]model.Tuple, ruleCtx model.RuleContext) {
fmt.Println("Rule fired:", ruleName)
fmt.Println("Applicant is not eligible to apply for creditcard")
}
func cUserIdMatch(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
userInfo := tuples["UserAccount"]
updateScore := tuples["UpdateCreditScore"]
if userInfo != nil || updateScore != nil {
userId, _ := userInfo.GetInt("Id")
newUserId, _ := updateScore.GetInt("Id")
if userId == newUserId {
fmt.Println("Userid match found")
return true
}
}
return false
}
func cUserCreditScore(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
updateScore := tuples["UpdateCreditScore"]
if updateScore != nil {
CreditScore, _ := updateScore.GetInt("creditScore")
if CreditScore >= 750 && CreditScore < 820 {
fmt.Println("cUserCreditScore")
return true
}
}
return false
}
func cUserLowCreditScore(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
updateScore := tuples["UpdateCreditScore"]
if updateScore != nil {
CreditScore, _ := updateScore.GetInt("creditScore")
if CreditScore < 750 {
fmt.Println("cUserLowCreditScore")
return true
}
}
return false
}
func cUserHighCreditScore(ruleName string, condName string, tuples map[model.TupleType]model.Tuple, ctx model.RuleContext) bool {
updateScore := tuples["UpdateCreditScore"]
if updateScore != nil {
CreditScore, _ := updateScore.GetInt("creditScore")
if CreditScore >= 820 && CreditScore <= 900 {
fmt.Println("cUserHighCreditScore")
return true
}
}
return false
}
func aApproveWithLowerLimit(ctx context.Context, rs model.RuleSession, ruleName string, tuples map[model.TupleType]model.Tuple, ruleCtx model.RuleContext) {
fmt.Println("Rule fired:", ruleName)
userInfo := tuples["UserAccount"]
updateScore := tuples["UpdateCreditScore"]
CreditScore, _ := updateScore.GetInt("creditScore")
income, _ := userInfo.GetInt("Income")
var limit = 2 * income
userInfoMutable := userInfo.(model.MutableTuple)
userInfoMutable.SetInt(ctx, "creditScore", CreditScore)
userInfoMutable.SetString(ctx, "appStatus", "Approved")
userInfoMutable.SetInt(ctx, "approvedLimit", limit)
fmt.Println(userInfo)
}
func aApproveWithHigherLimit(ctx context.Context, rs model.RuleSession, ruleName string, tuples map[model.TupleType]model.Tuple, ruleCtx model.RuleContext) {
fmt.Println("Rule fired:", ruleName)
userInfo := tuples["UserAccount"]
updateScore := tuples["UpdateCreditScore"]
CreditScore, _ := updateScore.GetInt("creditScore")
income, _ := userInfo.GetInt("Income")
var limit = 3 * income
userInfoMutable := userInfo.(model.MutableTuple)
userInfoMutable.SetInt(ctx, "creditScore", CreditScore)
userInfoMutable.SetString(ctx, "appStatus", "Approved")
userInfoMutable.SetInt(ctx, "approvedLimit", limit)
fmt.Println(userInfo)
}
func aUserReject(ctx context.Context, rs model.RuleSession, ruleName string, tuples map[model.TupleType]model.Tuple, ruleCtx model.RuleContext) {
fmt.Println("Rule fired:", ruleName)
userInfo := tuples["UserAccount"]
updateScore := tuples["UpdateCreditScore"]
CreditScore, _ := updateScore.GetInt("creditScore")
userInfoMutable := userInfo.(model.MutableTuple)
userInfoMutable.SetInt(ctx, "creditScore", CreditScore)
userInfoMutable.SetString(ctx, "appStatus", "Rejected")
userInfoMutable.SetInt(ctx, "approvedLimit", 0)
fmt.Println(userInfo)
}