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subscription.go
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subscription.go
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package lago
import (
"context"
"encoding/json"
"time"
"github.com/google/uuid"
)
type SubscriptionStatus string
const (
SubscriptionStatusActive SubscriptionStatus = "active"
SubscriptionStatusPending SubscriptionStatus = "pending"
SubscriptionStatusTerminated SubscriptionStatus = "terminated"
SubscriptionStatusCanceled SubscriptionStatus = "canceled"
)
type BillingTime string
const (
Anniversary BillingTime = "anniversary"
Calendar BillingTime = "calendar"
)
type SubscriptionRequest struct {
client *Client
}
type SubscriptionResult struct {
Subscription *Subscription `json:"subscription,omitempty"`
Subscriptions []Subscription `json:"subscriptions,omitempty"`
Meta Metadata `json:"meta,omitempty"`
}
type SubscriptionParams struct {
Subscription *SubscriptionInput `json:"subscription"`
}
type SubscriptionInput struct {
ExternalCustomerID string `json:"external_customer_id,omitempty"`
PlanCode string `json:"plan_code,omitempty"`
BillingTime BillingTime `json:"billing_time,omitempty"`
}
type SubscriptionListInput struct {
ExternalCustomerID string `json:"external_customer_id,omitempty"`
PerPage int `json:"per_page,omitempty,string"`
Page int `json:"page,omitempty,string"`
}
type Subscription struct {
LagoID uuid.UUID `json:"lago_id"`
LagoCustomerID uuid.UUID `json:"lago_customer_id"`
ExternalCustomerID string `json:"external_customer_id"`
PlanCode string `json:"plan_code"`
Status SubscriptionStatus `json:"status"`
BillingTime BillingTime `json:"billing_time"`
SubscriptionDate string `json:"subscription_date"`
PreviousPlanCode string `json:"previous_plan_code"`
NextPlanCode string `json:"next_plan_code"`
DowngradePlanDate string `json:"downgrade_plan_date"`
CreatedAt *time.Time `json:"created_at"`
StartedAt *time.Time `json:"started_at"`
CanceledAt *time.Time `json:"canceled_at"`
TerminatedAt *time.Time `json:"terminated_at"`
}
func (c *Client) Subscription() *SubscriptionRequest {
return &SubscriptionRequest{
client: c,
}
}
func (sr *SubscriptionRequest) Create(ctx context.Context, subscriptionInput *SubscriptionInput) (*Subscription, *Error) {
subscriptionParam := &SubscriptionParams{
Subscription: subscriptionInput,
}
clientRequest := &ClientRequest{
Path: "subscriptions",
Result: &SubscriptionResult{},
Body: subscriptionParam,
}
result, err := sr.client.Post(ctx, clientRequest)
if err != nil {
return nil, err
}
subscriptionResult := result.(*SubscriptionResult)
return subscriptionResult.Subscription, nil
}
func (sr *SubscriptionRequest) Terminate(ctx context.Context, externalCustomerID string) (*Subscription, *Error) {
subscriptionInput := &SubscriptionInput{
ExternalCustomerID: externalCustomerID,
}
clientRequest := &ClientRequest{
Path: "subscriptions",
Result: &SubscriptionResult{},
Body: subscriptionInput,
}
result, err := sr.client.Delete(ctx, clientRequest)
if err != nil {
return nil, err
}
subscriptionResult := result.(*SubscriptionResult)
return subscriptionResult.Subscription, nil
}
func (sr *SubscriptionRequest) GetList(ctx context.Context, subscriptionListInput SubscriptionListInput) (*SubscriptionResult, *Error) {
jsonQueryParams, err := json.Marshal(subscriptionListInput)
if err != nil {
return nil, &Error{Err: err}
}
queryParams := make(map[string]string)
if err = json.Unmarshal(jsonQueryParams, &queryParams); err != nil {
return nil, &Error{Err: err}
}
clientRequest := &ClientRequest{
Path: "subscriptions",
QueryParams: queryParams,
Result: &SubscriptionResult{},
}
result, clientErr := sr.client.Get(ctx, clientRequest)
if clientErr != nil {
return nil, clientErr
}
subscriptionResult, ok := result.(*SubscriptionResult)
if !ok {
return nil, &Error{Err: ErrorTypeAssert}
}
return subscriptionResult, nil
}