refactor foundry lib structure; add transport classes for db,http,websocket; add action interface instead of multiple function that accepts action classes; add changing foundry status on websocket responses

internal/foundry/transport/http.go

@@ -0,0 +1,101 @@
+package transport
+
+import (
+	"context"
+	"errors"
+	"io"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func (tr *FoundryTransport) LaunchWorld(worldName string) error {
+	resp, err := tr.Http.PostLaunchWorld(worldName)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode != 200 {
+		return errors.New("World is not found")
+	}
+
+	tr.ExchangeChan.ProgressMsg[worldName] = make(chan struct{})
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+
+	select {
+	case <-tr.ExchangeChan.ProgressMsg[worldName]:
+		tr.Logger.Debug("World has been started(from GetInitialData)", "world", worldName)
+	case <-ctx.Done():
+		close(tr.ExchangeChan.ProgressMsg[worldName])
+		err := ctx.Err()
+		if err != nil {
+			return err
+		}
+		return ErrorTimeout
+	}
+	return nil
+}
+
+func (tr *FoundryTransport) ConnectToFoundry() error {
+	var err error
+
+	ok, err := tr.Http.GetSessionToken()
+	if err != nil {
+		return err
+	}
+
+	if tr.Http.Password != "" && !ok {
+		err := tr.Authenticate()
+		if err != nil {
+			return err
+		}
+	}
+
+	tr.Logger.Info("Successefully connected to Foundry", "host", tr.Http.Host)
+	return nil
+}
+
+func (tr *FoundryTransport) Authenticate() error {
+	if tr.Http.SessionID == "" {
+		err := tr.Http.GetSessionId()
+		if err != nil {
+			return err
+		}
+	}
+
+	resp, err := tr.Http.PostAuthenticationData()
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	contentLen, err := strconv.Atoi(resp.Header.Get("Content-Length"))
+	if err != nil {
+		return err
+	}
+
+	return tr.CheckAuthRespAnswer(resp.Body, contentLen)
+}
+
+func (tr *FoundryTransport) CheckAuthRespAnswer(r io.Reader, respLength int) error {
+	authBody := make([]byte, respLength)
+
+	_, err := r.Read(authBody)
+	if err != nil && err != io.EOF {
+		return err
+	}
+
+	if !strings.Contains(string(authBody), "Admin authentication successful") {
+		return ErrorAuthPassWrong
+	}
+	tr.IsAuth = true
+	return nil
+}
+
+func (tr *FoundryTransport) HasSessionId() bool {
+	return tr.Http.SessionID != ""
+}
+
+func (tr *FoundryTransport) InitSessionId() error {
+	return tr.Http.GetSessionId()
+}