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api_route_action.go
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/
api_route_action.go
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package route
import (
"net"
"net/http"
"time"
"github.com/IceWhaleTech/CasaOS-Common/utils"
"github.com/IceWhaleTech/CasaOS-Common/utils/logger"
"github.com/IceWhaleTech/CasaOS-MessageBus/codegen"
"github.com/IceWhaleTech/CasaOS-MessageBus/common"
"github.com/IceWhaleTech/CasaOS-MessageBus/model"
"github.com/IceWhaleTech/CasaOS-MessageBus/route/adapter/in"
"github.com/IceWhaleTech/CasaOS-MessageBus/route/adapter/out"
"github.com/gobwas/ws"
"github.com/gobwas/ws/wsutil"
"github.com/labstack/echo/v4"
"go.uber.org/zap"
)
func (r *APIRoute) GetActionTypes(c echo.Context) error {
actionType, err := r.services.ActionService.GetActionTypes()
if err != nil {
message := err.Error()
return c.JSON(http.StatusInternalServerError, codegen.ResponseInternalServerError{Message: &message})
}
results := make([]codegen.ActionType, 0)
for _, actionType := range actionType {
results = append(results, out.ActionTypeAdapter(actionType))
}
return c.JSON(http.StatusOK, results)
}
func (r *APIRoute) RegisterActionType(c echo.Context) error {
var actionType codegen.ActionType
if err := c.Bind(&actionType); err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
result, err := r.services.ActionService.RegisterActionType(in.ActionTypeAdapter(actionType))
if err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
return c.JSON(http.StatusOK, result)
}
func (r *APIRoute) GetActionTypesBySourceID(c echo.Context, sourceID codegen.SourceID) error {
results, err := r.services.ActionService.GetActionTypesBySourceID(sourceID)
if err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
return c.JSON(http.StatusOK, results)
}
func (r *APIRoute) GetActionType(c echo.Context, sourceID codegen.SourceID, name codegen.EventName) error {
result, err := r.services.ActionService.GetActionType(sourceID, name)
if err != nil {
message := err.Error()
return c.JSON(http.StatusNotFound, codegen.ResponseNotFound{Message: &message})
}
if result == nil {
return c.JSON(http.StatusNotFound, codegen.ResponseNotFound{Message: utils.Ptr("not found")})
}
return c.JSON(http.StatusOK, result)
}
func (r *APIRoute) TriggerAction(c echo.Context, sourceID codegen.SourceID, name codegen.EventName) error {
actionType, err := r.services.ActionService.GetActionType(sourceID, name)
if err != nil {
message := err.Error()
return c.JSON(http.StatusNotFound, codegen.ResponseNotFound{Message: &message})
}
if actionType == nil {
return c.JSON(http.StatusNotFound, codegen.ResponseNotFound{Message: utils.Ptr("not found")})
}
var properties map[string]string
if err := c.Bind(&properties); err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
action := codegen.Action{
SourceID: sourceID,
Name: name,
Properties: properties,
Timestamp: utils.Ptr(time.Now()),
}
result, err := r.services.ActionService.Trigger(in.ActionAdapter(action))
if err != nil {
message := err.Error()
return c.JSON(http.StatusInternalServerError, codegen.ResponseInternalServerError{Message: &message})
}
return c.JSON(http.StatusOK, out.ActionAdapter(*result))
}
func (r *APIRoute) SubscribeAction(c echo.Context, sourceID codegen.SourceID, params codegen.SubscribeActionParams) error {
var actionNames []string
if params.Names != nil {
for _, actionName := range *params.Names {
actionType, err := r.services.ActionService.GetActionType(sourceID, actionName)
if err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
if actionType == nil {
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: utils.Ptr("action type not found")})
}
actionNames = append(actionNames, actionName)
}
} else {
actionTypes, err := r.services.ActionService.GetActionTypesBySourceID(sourceID)
if err != nil {
message := err.Error()
return c.JSON(http.StatusBadRequest, codegen.ResponseBadRequest{Message: &message})
}
for _, actionType := range actionTypes {
actionNames = append(actionNames, actionType.Name)
}
}
conn, _, _, err := ws.UpgradeHTTP(c.Request(), c.Response())
if err != nil {
message := err.Error()
return c.JSON(http.StatusInternalServerError, codegen.ResponseInternalServerError{Message: &message})
}
channel, err := r.services.ActionService.Subscribe(sourceID, actionNames)
if err != nil {
conn.Close() // need to close connection here, instead of defer, because of the goroutine
message := err.Error()
return c.JSON(http.StatusInternalServerError, codegen.ResponseInternalServerError{Message: &message})
}
go func(conn net.Conn, channel chan model.Action, actionNames []string) {
defer conn.Close()
defer close(channel)
defer func(actionNames []string) {
for _, name := range actionNames {
if err := r.services.ActionService.Unsubscribe(sourceID, name, channel); err != nil {
logger.Error("error when trying to unsubscribe an action type", zap.Error(err), zap.String("source_id", sourceID), zap.String("name", name))
}
}
}(actionNames)
logger.Info("started", zap.String("remote_addr", conn.RemoteAddr().String()))
for {
action, ok := <-channel
if !ok {
logger.Info("channel closed")
return
}
if action.SourceID == common.MessageBusSourceID && action.Name == common.MessageBusHeartbeatName {
if err := wsutil.WriteServerMessage(conn, ws.OpPing, []byte{}); err != nil {
logger.Error("error when trying to send ping message", zap.Error(err))
return
}
continue
}
message, err := json.Marshal(out.ActionAdapter(action))
if err != nil {
logger.Error("error when trying to marshal action", zap.Error(err))
continue
}
logger.Info("sending", zap.String("remote_addr", conn.RemoteAddr().String()), zap.String("message", string(message)))
if err := wsutil.WriteServerBinary(conn, message); err != nil {
if _, ok := err.(*net.OpError); ok {
logger.Info("ended", zap.String("error", err.Error()))
} else {
logger.Error("error", zap.String("error", err.Error()))
}
return
}
}
}(conn, channel, actionNames)
return nil
}