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create_transfer.go
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create_transfer.go
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package action
import (
"encoding/json"
"errors"
"net/http"
"github.com/felixa1996/go-plate/adapter/api/logging"
"github.com/felixa1996/go-plate/adapter/api/response"
"github.com/felixa1996/go-plate/adapter/logger"
"github.com/felixa1996/go-plate/adapter/validator"
"github.com/felixa1996/go-plate/domain"
"github.com/felixa1996/go-plate/usecase"
)
type CreateTransferAction struct {
log logger.Logger
uc usecase.CreateTransferUseCase
validator validator.Validator
logKey, logMsg string
}
func NewCreateTransferAction(uc usecase.CreateTransferUseCase, log logger.Logger, v validator.Validator) CreateTransferAction {
return CreateTransferAction{
uc: uc,
log: log,
validator: v,
logKey: "create_transfer",
logMsg: "creating a new transfer",
}
}
func (t CreateTransferAction) Execute(w http.ResponseWriter, r *http.Request) {
var input usecase.CreateTransferInput
if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
logging.NewError(
t.log,
err,
t.logKey,
http.StatusBadRequest,
).Log(t.logMsg)
response.NewError(err, http.StatusBadRequest).Send(w)
return
}
defer r.Body.Close()
if errs := t.validateInput(input); len(errs) > 0 {
logging.NewError(
t.log,
response.ErrInvalidInput,
t.logKey,
http.StatusBadRequest,
).Log(t.logMsg)
response.NewErrorMessage(errs, http.StatusBadRequest).Send(w)
return
}
output, err := t.uc.Execute(r.Context(), input)
if err != nil {
t.handleErr(w, err)
return
}
logging.NewInfo(t.log, t.logKey, http.StatusCreated).Log(t.logMsg)
response.NewSuccess(output, http.StatusCreated).Send(w)
}
func (t CreateTransferAction) handleErr(w http.ResponseWriter, err error) {
switch err {
case domain.ErrInsufficientBalance:
logging.NewError(
t.log,
err,
t.logKey,
http.StatusUnprocessableEntity,
).Log(t.logMsg)
response.NewError(err, http.StatusUnprocessableEntity).Send(w)
return
case domain.ErrAccountOriginNotFound:
logging.NewError(
t.log,
err,
t.logKey,
http.StatusUnprocessableEntity,
).Log(t.logMsg)
response.NewError(err, http.StatusUnprocessableEntity).Send(w)
return
case domain.ErrAccountDestinationNotFound:
logging.NewError(
t.log,
err,
t.logKey,
http.StatusUnprocessableEntity,
).Log(t.logMsg)
response.NewError(err, http.StatusUnprocessableEntity).Send(w)
return
default:
logging.NewError(
t.log,
err,
t.logKey,
http.StatusInternalServerError,
).Log(t.logMsg)
response.NewError(err, http.StatusInternalServerError).Send(w)
return
}
}
func (t CreateTransferAction) validateInput(input usecase.CreateTransferInput) []string {
var (
msgs []string
errAccountsEquals = errors.New("account origin equals destination account")
accountIsEquals = input.AccountOriginID == input.AccountDestinationID
accountsIsEmpty = input.AccountOriginID == "" && input.AccountDestinationID == ""
)
if !accountsIsEmpty && accountIsEquals {
msgs = append(msgs, errAccountsEquals.Error())
}
err := t.validator.Validate(input)
if err != nil {
for _, msg := range t.validator.Messages() {
msgs = append(msgs, msg)
}
}
return msgs
}