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gsms.go
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gsms.go
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package gsms
import (
"fmt"
"github.com/maiqingqiang/gsms/strategies"
"strconv"
"time"
)
type Gsms struct {
config *Config
defaultGateways []string
strategy Strategy
gateways map[string]Gateway
}
// Config gsms config.
type Config struct {
Timeout time.Duration
Logger Logger
}
// StatusSuccess send message success.
const StatusSuccess = "success"
// StatusFailure send message failure.
const StatusFailure = "failure"
// Result Gateway send message result.
type Result struct {
Gateway string
Status string
Template string
Error error
}
func (r *Result) String() string {
return fmt.Sprintf("gateway: %s, status: %s, template: %s, error: %v", r.Gateway, r.Status, r.Template, r.Error)
}
// New a gsms instance.
func New(gateways []Gateway, options ...Option) *Gsms {
gatewaysMap := make(map[string]Gateway, len(gateways))
for _, gateway := range gateways {
gatewaysMap[gateway.Name()] = gateway
}
gsms := &Gsms{
config: &Config{
Timeout: 5 * time.Second,
Logger: NewLogger(),
},
gateways: gatewaysMap,
strategy: &strategies.OrderStrategy{},
}
for _, option := range options {
option(gsms)
}
return gsms
}
// Send a message.
func (g *Gsms) Send(to interface{}, message Message, gateways ...string) ([]*Result, error) {
if len(gateways) == 0 {
var err error
gateways, err = message.Gateways()
if err != nil {
return nil, err
}
}
if len(gateways) == 0 {
gateways = g.defaultGateways
}
gateways = g.formatGateways(message, gateways)
var phoneNumber *PhoneNumber
switch to.(type) {
case *PhoneNumber:
phoneNumber = to.(*PhoneNumber)
case int:
phoneNumber = NewPhoneNumberWithoutIDDCode(to.(int))
case string:
number, err := strconv.Atoi(to.(string))
if err != nil {
return nil, err
}
phoneNumber = NewPhoneNumberWithoutIDDCode(number)
default:
return nil, ErrInvalidPhoneNumber
}
var results []*Result
isSuccessful := false
for _, gateway := range gateways {
result := &Result{
Gateway: gateway,
Status: StatusSuccess,
}
var gw Gateway
gw, result.Error = g.Gateway(gateway)
if result.Error != nil {
result.Status = StatusFailure
results = append(results, result)
continue
}
result.Template, result.Error = message.GetTemplate(gw)
if result.Error != nil {
result.Status = StatusFailure
results = append(results, result)
continue
}
g.config.Logger.Infof("[%s] start send [template: %s] message", gateway, result.Template)
result.Error = gw.Send(phoneNumber, message, g.config)
if result.Error != nil {
result.Status = StatusFailure
g.config.Logger.Warnf("[%s] send [template: %s] message failed: %+v", gateway, result.Template, result.Error)
} else {
g.config.Logger.Infof("[%s] send [template: %s] message success", gateway, result.Template)
}
g.config.Logger.Infof("[%s] end send [template: %s] message\n", gateway, result.Template)
results = append(results, result)
if result.Status == StatusSuccess {
isSuccessful = true
break
}
}
if !isSuccessful {
return nil, NewErrGatewayFailed(results)
}
return results, nil
}
// Gateway Get gateway by name
func (g *Gsms) Gateway(name string) (Gateway, error) {
if gateway, ok := g.gateways[name]; ok {
return gateway, nil
}
return nil, ErrGatewayNotFound
}
// formatGateways format gateways
func (g *Gsms) formatGateways(message Message, gateways []string) []string {
if strategy, err := message.Strategy(); err == nil && strategy != nil {
return strategy.Apply(gateways)
}
if g.strategy != nil {
return g.strategy.Apply(gateways)
}
return gateways
}
// Debug set logger level to info
func (g *Gsms) Debug() *Gsms {
newGsms := *g
newGsms.config.Logger = newGsms.config.Logger.LogMode(Info)
return &newGsms
}