/
service.go
117 lines (98 loc) · 2.49 KB
/
service.go
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package facts
import (
"context"
"errors"
"io"
"net/http"
"time"
"github.com/tidwall/gjson"
"golang.org/x/sync/errgroup"
"github.com/anandawira/uBotSeatalk/internal/data/dao"
"github.com/anandawira/uBotSeatalk/internal/data/model"
"github.com/anandawira/uBotSeatalk/internal/pkg/log"
)
const host = "https://uselessfacts.jsph.pl"
type Service interface {
SendTodayFact(ctx context.Context) error
SendRandomFactToUser(ctx context.Context, employeeCode string) error
}
type service struct {
httpClient http.Client
botClient dao.ChatBotDAO
}
func NewService(botClient dao.ChatBotDAO) Service {
return &service{
httpClient: http.Client{
Transport: nil,
CheckRedirect: nil,
Jar: nil,
Timeout: 3 * time.Second,
},
botClient: botClient,
}
}
func (s *service) SendTodayFact(ctx context.Context) error {
factText, err := s.getFact(ctx, "/api/v2/facts/today")
if err != nil {
return err
}
message, err := model.NewTextMessage(factText)
if err != nil {
return err
}
employeeCodes, err := s.botClient.GetListSubscriber(ctx)
if err != nil {
return err
}
group := errgroup.Group{}
for _, employeeCode := range employeeCodes {
group.Go(func() error {
return s.botClient.SendChatToSubscriber(ctx, employeeCode, message)
})
}
return group.Wait()
}
func (s *service) SendRandomFactToUser(ctx context.Context, employeeCode string) error {
fact, err := s.getFact(ctx, "/api/v2/facts/random")
if err != nil {
return err
}
message, err := model.NewTextMessage(fact)
if err != nil {
log.ErrorCtx(ctx, "create message error",
"error", err,
"fact", fact,
)
return err
}
return s.botClient.SendChatToSubscriber(ctx, employeeCode, message)
}
func (s *service) getFact(ctx context.Context, path string) (string, error) {
resp, err := s.httpClient.Get(host + path)
if err != nil {
log.ErrorCtx(ctx, "http call error",
"error", err,
)
return "", err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
log.ErrorCtx(ctx, "http status not 200", "status_code", resp.StatusCode)
return "", errors.New("status code not 200")
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
log.ErrorCtx(ctx, "reading response body error",
"error", err,
)
return "", err
}
text := gjson.Get(string(respBody), "text")
if !text.Exists() {
log.ErrorCtx(ctx, "text not found inside response body",
"resp_body", respBody,
)
return "", errors.New("text not found")
}
return gjson.Get(string(respBody), "text").String(), nil
}