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rules_engine.go
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/
rules_engine.go
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package rules_engine
import (
"context"
"fmt"
"strconv"
"github.com/MakeNowJust/heredoc"
"go.uber.org/zap"
msg "github.com/aziontech/azion-cli/messages/create/rules_engine"
api "github.com/aziontech/azion-cli/pkg/api/rules_engine"
"github.com/aziontech/azion-cli/pkg/logger"
"github.com/aziontech/azion-cli/pkg/output"
sdk "github.com/aziontech/azionapi-go-sdk/edgeapplications"
"github.com/aziontech/azion-cli/pkg/cmdutil"
"github.com/aziontech/azion-cli/utils"
"github.com/spf13/cobra"
)
type Fields struct {
ApplicationID int64
Phase string
Path string
}
func NewCmd(f *cmdutil.Factory) *cobra.Command {
fields := &Fields{}
cmd := &cobra.Command{
Use: msg.Usage,
Short: msg.ShortDescription,
Long: msg.LongDescription,
SilenceUsage: true,
SilenceErrors: true,
Example: heredoc.Doc(`
$ azion create rules-engine --application-id 1679423488 --phase "response" --file ./file.json
`),
RunE: func(cmd *cobra.Command, args []string) error {
if !cmd.Flags().Changed("application-id") {
answer, err := utils.AskInput(msg.AskInputApplicationId)
if err != nil {
return err
}
num, err := strconv.ParseInt(answer, 10, 64)
if err != nil {
logger.Debug("Error while converting answer to int64", zap.Error(err))
return msg.ErrorConvertIdApplication
}
fields.ApplicationID = num
}
if !cmd.Flags().Changed("phase") {
answer, err := utils.AskInput(msg.AskInputPhase)
if err != nil {
return err
}
fields.Phase = answer
}
if !cmd.Flags().Changed("file") {
answer, err := utils.AskInput(msg.AskInputPathFile)
if err != nil {
return err
}
fields.Path = answer
}
request := api.CreateRulesEngineRequest{}
err := utils.FlagFileUnmarshalJSON(fields.Path, &request)
if err != nil {
logger.Debug("Error while parsing <"+fields.Path+"> file", zap.Error(err))
return utils.ErrorUnmarshalReader
}
reqSdk := dtoStructRequest(request.CreateRulesEngineRequest)
if err := validateRequest(reqSdk); err != nil {
return err
}
client := api.NewClient(f.HttpClient, f.Config.GetString("api_url"), f.Config.GetString("token"))
response, err := client.Create(context.Background(), fields.ApplicationID, fields.Phase, reqSdk)
if err != nil {
return fmt.Errorf(msg.ErrorCreateRulesEngine.Error(), err)
}
creatOut := output.GeneralOutput{
Msg: fmt.Sprintf(msg.OutputSuccess, response.GetId()),
Out: f.IOStreams.Out,
}
return output.Print(&creatOut)
},
}
flags := cmd.Flags()
flags.Int64Var(&fields.ApplicationID, "application-id", 0, msg.FlagEdgeApplicationID)
flags.StringVar(&fields.Phase, "phase", "", msg.FlagPhase)
flags.StringVar(&fields.Path, "file", "", msg.FlagFile)
flags.BoolP("help", "h", false, msg.HelpFlag)
return cmd
}
func validateRequest(request sdk.CreateRulesEngineRequest) error {
if request.GetName() == "" {
return msg.ErrorNameEmpty
}
if request.GetCriteria() == nil {
return msg.ErrorStructCriteriaNil
}
for _, itemCriteria := range request.GetCriteria() {
for _, item := range itemCriteria {
if item.Conditional == "" {
return msg.ErrorConditionalEmpty
}
if item.Variable == "" {
return msg.ErrorVariableEmpty
}
if item.Operator == "" {
return msg.ErrorOperatorEmpty
}
if item.InputValue == nil {
return msg.ErrorInputValueEmpty
}
}
}
if request.GetBehaviors() == nil {
return msg.ErrorStructBehaviorsNil
}
for _, item := range request.GetBehaviors() {
if item.RulesEngineBehaviorString != nil {
if item.RulesEngineBehaviorString.Name == "" {
return msg.ErrorNameBehaviorsEmpty
}
}
if item.RulesEngineBehaviorObject != nil && (item.RulesEngineBehaviorObject.Target.CapturedArray == nil || item.RulesEngineBehaviorObject.Target.Regex == nil || item.RulesEngineBehaviorObject.Target.Subject == nil) {
if item.RulesEngineBehaviorObject.Name == "" {
return msg.ErrorNameBehaviorsEmpty
}
}
}
return nil
}
func dtoStructRequest(request sdk.CreateRulesEngineRequest) sdk.CreateRulesEngineRequest {
var req sdk.CreateRulesEngineRequest
req.Name = request.Name
req.Description = request.Description
var rulesEngineCriteria [][]sdk.RulesEngineCriteria
for _, itemCriterias := range request.Criteria {
var criterias []sdk.RulesEngineCriteria
for _, itemCriteria := range itemCriterias {
var criteria sdk.RulesEngineCriteria
criteria.Conditional = itemCriteria.Conditional
criteria.Variable = itemCriteria.Variable
criteria.Operator = itemCriteria.Operator
criteria.InputValue = itemCriteria.InputValue
criterias = append(criterias, criteria)
}
rulesEngineCriteria = append(rulesEngineCriteria, criterias)
}
req.Criteria = rulesEngineCriteria
var behaviors []sdk.RulesEngineBehaviorEntry
for _, v := range request.Behaviors {
if v.RulesEngineBehaviorObject != nil {
if v.RulesEngineBehaviorObject.Target.CapturedArray != nil && v.RulesEngineBehaviorObject.Target.Regex != nil && v.RulesEngineBehaviorObject.Target.Subject != nil {
var behaviorObject sdk.RulesEngineBehaviorObject
behaviorObject.SetName(v.RulesEngineBehaviorObject.Name)
behaviorObject.SetTarget(v.RulesEngineBehaviorObject.Target)
behaviors = append(behaviors, sdk.RulesEngineBehaviorEntry{
RulesEngineBehaviorObject: &behaviorObject,
})
} else {
var behaviorString sdk.RulesEngineBehaviorString
behaviorString.SetName(v.RulesEngineBehaviorObject.Name)
behaviors = append(behaviors, sdk.RulesEngineBehaviorEntry{
RulesEngineBehaviorString: &behaviorString,
})
}
} else {
if v.RulesEngineBehaviorString != nil {
var behaviorString sdk.RulesEngineBehaviorString
behaviorString.SetName(v.RulesEngineBehaviorString.Name)
behaviorString.SetTarget(v.RulesEngineBehaviorString.Target)
behaviors = append(behaviors, sdk.RulesEngineBehaviorEntry{
RulesEngineBehaviorString: &behaviorString,
})
}
}
}
req.Behaviors = behaviors
return req
}