refactor(backend): define OpenAPI spec of fortee login API

1 files changed, 42 insertions, 0 deletions

diff --git a/backend/auth/fortee/fortee.go b/backend/auth/fortee/fortee.go
new file mode 100644
index 0000000..7f9d816
--- /dev/null
+++ b/backend/auth/fortee/fortee.go
@@ -0,0 +1,42 @@
+package fortee
+
+import (
+	"context"
+	"errors"
+	"net/http"
+)
+
+const (
+	apiEndpoint = "https://fortee.jp"
+)
+
+var (
+	ErrLoginFailed = errors.New("fortee login failed")
+)
+
+func LoginFortee(ctx context.Context, username string, password string) error {
+	client, err := NewClientWithResponses(apiEndpoint, WithRequestEditorFn(addAcceptHeader))
+	if err != nil {
+		return err
+	}
+	res, err := client.PostLoginWithFormdataBodyWithResponse(ctx, PostLoginFormdataRequestBody{
+		Username: username,
+		Password: password,
+	})
+	if err != nil {
+		return err
+	}
+	if res.StatusCode() != http.StatusOK {
+		return ErrLoginFailed
+	}
+	if !res.JSON200.LoggedIn {
+		return ErrLoginFailed
+	}
+	return nil
+}
+
+// fortee API denies requests without Accept header.
+func addAcceptHeader(_ context.Context, req *http.Request) error {
+	req.Header.Set("Accept", "application/json")
+	return nil
+}