Unleash/unleash-client-go

package strategies

import (
    "github.com/Unleash/unleash-client-go/v3/context"
    "github.com/Unleash/unleash-client-go/v3/strategy"
)

type gradualRolloutSessionId struct {
}

func NewGradualRolloutSessionId() *gradualRolloutSessionId {
    s := &gradualRolloutSessionId{}
    return s
}

func (s gradualRolloutSessionId) Name() string {
    return "gradualRolloutSessionId"
}

func (s gradualRolloutSessionId) IsEnabled(params map[string]interface{}, ctx *context.Context) bool {
    if ctx == nil || ctx.SessionId == "" {
        return false
    }

    value, found := params[strategy.ParamPercentage]
    if !found {
        return false
    }

    percentage, ok := parameterAsFloat64(value)
    if !ok {
        return false
    }

    groupIdValue := params[strategy.ParamGroupId]
    groupId, ok := groupIdValue.(string)
    if !ok {
        return false
    }

    normalizedId := normalizedValue(ctx.SessionId, groupId)

    return percentage > 0.0 && float64(normalizedId) <= percentage
}