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https://github.com/bitechdev/ResolveSpec.git
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Prototype for websockspec
This commit is contained in:
Hein
746
pkg/websocketspec/handler.go
Normal file
746
pkg/websocketspec/handler.go
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@@ -0,0 +1,746 @@
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package websocketspec
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"reflect"
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"strconv"
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"time"
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"github.com/bitechdev/ResolveSpec/pkg/common"
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"github.com/bitechdev/ResolveSpec/pkg/logger"
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"github.com/bitechdev/ResolveSpec/pkg/reflection"
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"github.com/google/uuid"
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"github.com/gorilla/websocket"
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)
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// Handler handles WebSocket connections and messages
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type Handler struct {
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db common.Database
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registry common.ModelRegistry
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hooks *HookRegistry
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nestedProcessor *common.NestedCUDProcessor
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connManager *ConnectionManager
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subscriptionManager *SubscriptionManager
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upgrader websocket.Upgrader
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ctx context.Context
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}
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// NewHandler creates a new WebSocket handler
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func NewHandler(db common.Database, registry common.ModelRegistry) *Handler {
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ctx := context.Background()
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handler := &Handler{
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db: db,
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registry: registry,
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hooks: NewHookRegistry(),
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connManager: NewConnectionManager(ctx),
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subscriptionManager: NewSubscriptionManager(),
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upgrader: websocket.Upgrader{
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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CheckOrigin: func(r *http.Request) bool {
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// TODO: Implement proper origin checking
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return true
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},
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},
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ctx: ctx,
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}
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// Initialize nested processor (nil for now, can be added later if needed)
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// handler.nestedProcessor = common.NewNestedCUDProcessor(db, registry, handler)
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// Start connection manager
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go handler.connManager.Run()
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return handler
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}
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// GetRelationshipInfo implements the RelationshipInfoProvider interface
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// This is a placeholder implementation - full relationship support can be added later
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func (h *Handler) GetRelationshipInfo(modelType reflect.Type, relationName string) *common.RelationshipInfo {
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// TODO: Implement full relationship detection similar to restheadspec
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return nil
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}
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// GetDatabase returns the underlying database connection
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// Implements common.SpecHandler interface
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func (h *Handler) GetDatabase() common.Database {
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return h.db
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}
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// Hooks returns the hook registry for this handler
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func (h *Handler) Hooks() *HookRegistry {
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return h.hooks
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}
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// Registry returns the model registry for this handler
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func (h *Handler) Registry() common.ModelRegistry {
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return h.registry
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}
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// HandleWebSocket upgrades HTTP connection to WebSocket
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func (h *Handler) HandleWebSocket(w http.ResponseWriter, r *http.Request) {
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// Upgrade connection
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ws, err := h.upgrader.Upgrade(w, r, nil)
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if err != nil {
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logger.Error("[WebSocketSpec] Failed to upgrade connection: %v", err)
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return
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}
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// Create connection
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connID := uuid.New().String()
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conn := NewConnection(connID, ws, h)
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// Execute before connect hook
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hookCtx := &HookContext{
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Context: r.Context(),
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Handler: h,
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Connection: conn,
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}
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if err := h.hooks.Execute(BeforeConnect, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeConnect hook failed: %v", err)
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ws.Close()
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return
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}
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// Register connection
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h.connManager.Register(conn)
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// Execute after connect hook
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h.hooks.Execute(AfterConnect, hookCtx)
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// Start read/write pumps
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go conn.WritePump()
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go conn.ReadPump()
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logger.Info("[WebSocketSpec] WebSocket connection established: %s", connID)
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}
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// HandleMessage routes incoming messages to appropriate handlers
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func (h *Handler) HandleMessage(conn *Connection, msg *Message) {
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switch msg.Type {
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case MessageTypeRequest:
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h.handleRequest(conn, msg)
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case MessageTypeSubscription:
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h.handleSubscription(conn, msg)
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case MessageTypePing:
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h.handlePing(conn, msg)
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default:
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errResp := NewErrorResponse(msg.ID, "invalid_message_type", fmt.Sprintf("Unknown message type: %s", msg.Type))
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conn.SendJSON(errResp)
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}
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}
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// handleRequest processes a request message
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func (h *Handler) handleRequest(conn *Connection, msg *Message) {
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ctx := conn.ctx
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schema := msg.Schema
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entity := msg.Entity
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recordID := msg.RecordID
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// Get model from registry
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model, err := h.registry.GetModelByEntity(schema, entity)
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if err != nil {
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logger.Error("[WebSocketSpec] Model not found for %s.%s: %v", schema, entity, err)
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errResp := NewErrorResponse(msg.ID, "model_not_found", fmt.Sprintf("Model not found: %s.%s", schema, entity))
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conn.SendJSON(errResp)
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return
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}
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// Validate and unwrap model
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result, err := common.ValidateAndUnwrapModel(model)
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if err != nil {
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logger.Error("[WebSocketSpec] Model validation failed for %s.%s: %v", schema, entity, err)
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errResp := NewErrorResponse(msg.ID, "invalid_model", err.Error())
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conn.SendJSON(errResp)
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return
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}
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model = result.Model
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modelPtr := result.ModelPtr
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tableName := h.getTableName(schema, entity, model)
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// Create hook context
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hookCtx := &HookContext{
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Context: ctx,
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Handler: h,
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Connection: conn,
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Message: msg,
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Schema: schema,
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Entity: entity,
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TableName: tableName,
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Model: model,
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ModelPtr: modelPtr,
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Options: msg.Options,
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ID: recordID,
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Data: msg.Data,
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Metadata: make(map[string]interface{}),
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}
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// Route to operation handler
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switch msg.Operation {
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case OperationRead:
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h.handleRead(conn, msg, hookCtx)
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case OperationCreate:
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h.handleCreate(conn, msg, hookCtx)
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case OperationUpdate:
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h.handleUpdate(conn, msg, hookCtx)
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case OperationDelete:
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h.handleDelete(conn, msg, hookCtx)
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case OperationMeta:
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h.handleMeta(conn, msg, hookCtx)
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default:
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errResp := NewErrorResponse(msg.ID, "invalid_operation", fmt.Sprintf("Unknown operation: %s", msg.Operation))
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conn.SendJSON(errResp)
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}
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}
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// handleRead processes a read operation
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func (h *Handler) handleRead(conn *Connection, msg *Message, hookCtx *HookContext) {
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// Execute before hook
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if err := h.hooks.Execute(BeforeRead, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeRead hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Perform read operation
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var data interface{}
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var metadata map[string]interface{}
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var err error
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if hookCtx.ID != "" {
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// Read single record by ID
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data, err = h.readByID(hookCtx)
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metadata = map[string]interface{}{"total": 1}
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} else {
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// Read multiple records
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data, metadata, err = h.readMultiple(hookCtx)
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}
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if err != nil {
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logger.Error("[WebSocketSpec] Read operation failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "read_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Update hook context with result
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hookCtx.Result = data
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// Execute after hook
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if err := h.hooks.Execute(AfterRead, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] AfterRead hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Send response
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resp := NewResponseMessage(msg.ID, true, hookCtx.Result)
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resp.Metadata = metadata
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conn.SendJSON(resp)
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}
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// handleCreate processes a create operation
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func (h *Handler) handleCreate(conn *Connection, msg *Message, hookCtx *HookContext) {
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// Execute before hook
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if err := h.hooks.Execute(BeforeCreate, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeCreate hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Perform create operation
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data, err := h.create(hookCtx)
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if err != nil {
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logger.Error("[WebSocketSpec] Create operation failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "create_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Update hook context
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hookCtx.Result = data
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// Execute after hook
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if err := h.hooks.Execute(AfterCreate, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] AfterCreate hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Send response
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resp := NewResponseMessage(msg.ID, true, hookCtx.Result)
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conn.SendJSON(resp)
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// Notify subscribers
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h.notifySubscribers(hookCtx.Schema, hookCtx.Entity, OperationCreate, data)
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}
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// handleUpdate processes an update operation
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func (h *Handler) handleUpdate(conn *Connection, msg *Message, hookCtx *HookContext) {
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// Execute before hook
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if err := h.hooks.Execute(BeforeUpdate, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeUpdate hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Perform update operation
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data, err := h.update(hookCtx)
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if err != nil {
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logger.Error("[WebSocketSpec] Update operation failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "update_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Update hook context
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hookCtx.Result = data
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// Execute after hook
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if err := h.hooks.Execute(AfterUpdate, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] AfterUpdate hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Send response
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resp := NewResponseMessage(msg.ID, true, hookCtx.Result)
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conn.SendJSON(resp)
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// Notify subscribers
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h.notifySubscribers(hookCtx.Schema, hookCtx.Entity, OperationUpdate, data)
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}
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// handleDelete processes a delete operation
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func (h *Handler) handleDelete(conn *Connection, msg *Message, hookCtx *HookContext) {
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// Execute before hook
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if err := h.hooks.Execute(BeforeDelete, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeDelete hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Perform delete operation
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err := h.delete(hookCtx)
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if err != nil {
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logger.Error("[WebSocketSpec] Delete operation failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "delete_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Execute after hook
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if err := h.hooks.Execute(AfterDelete, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] AfterDelete hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Send response
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resp := NewResponseMessage(msg.ID, true, map[string]interface{}{"deleted": true})
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conn.SendJSON(resp)
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// Notify subscribers
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h.notifySubscribers(hookCtx.Schema, hookCtx.Entity, OperationDelete, map[string]interface{}{"id": hookCtx.ID})
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}
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// handleMeta processes a metadata request
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func (h *Handler) handleMeta(conn *Connection, msg *Message, hookCtx *HookContext) {
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metadata := h.getMetadata(hookCtx.Schema, hookCtx.Entity, hookCtx.Model)
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resp := NewResponseMessage(msg.ID, true, metadata)
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conn.SendJSON(resp)
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}
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// handleSubscription processes subscription messages
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func (h *Handler) handleSubscription(conn *Connection, msg *Message) {
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switch msg.Operation {
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case OperationSubscribe:
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h.handleSubscribe(conn, msg)
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case OperationUnsubscribe:
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h.handleUnsubscribe(conn, msg)
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default:
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errResp := NewErrorResponse(msg.ID, "invalid_subscription_operation", fmt.Sprintf("Unknown subscription operation: %s", msg.Operation))
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conn.SendJSON(errResp)
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}
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}
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// handleSubscribe creates a new subscription
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func (h *Handler) handleSubscribe(conn *Connection, msg *Message) {
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// Generate subscription ID
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subID := uuid.New().String()
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// Create hook context
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hookCtx := &HookContext{
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Context: conn.ctx,
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Handler: h,
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Connection: conn,
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Message: msg,
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Schema: msg.Schema,
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Entity: msg.Entity,
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Options: msg.Options,
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Metadata: make(map[string]interface{}),
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}
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// Execute before hook
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if err := h.hooks.Execute(BeforeSubscribe, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeSubscribe hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Create subscription
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sub := h.subscriptionManager.Subscribe(subID, conn.ID, msg.Schema, msg.Entity, msg.Options)
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conn.AddSubscription(sub)
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// Update hook context
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hookCtx.Subscription = sub
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// Execute after hook
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h.hooks.Execute(AfterSubscribe, hookCtx)
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// Send response
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resp := NewResponseMessage(msg.ID, true, map[string]interface{}{
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"subscription_id": subID,
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"schema": msg.Schema,
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"entity": msg.Entity,
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})
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conn.SendJSON(resp)
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logger.Info("[WebSocketSpec] Subscription created: %s for %s.%s (conn: %s)", subID, msg.Schema, msg.Entity, conn.ID)
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}
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// handleUnsubscribe removes a subscription
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func (h *Handler) handleUnsubscribe(conn *Connection, msg *Message) {
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subID := msg.SubscriptionID
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if subID == "" {
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errResp := NewErrorResponse(msg.ID, "missing_subscription_id", "Subscription ID is required for unsubscribe")
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conn.SendJSON(errResp)
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return
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}
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// Get subscription
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sub, exists := conn.GetSubscription(subID)
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if !exists {
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errResp := NewErrorResponse(msg.ID, "subscription_not_found", fmt.Sprintf("Subscription not found: %s", subID))
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conn.SendJSON(errResp)
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return
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}
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// Create hook context
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hookCtx := &HookContext{
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Context: conn.ctx,
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Handler: h,
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Connection: conn,
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Message: msg,
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Subscription: sub,
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Metadata: make(map[string]interface{}),
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}
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// Execute before hook
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if err := h.hooks.Execute(BeforeUnsubscribe, hookCtx); err != nil {
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logger.Error("[WebSocketSpec] BeforeUnsubscribe hook failed: %v", err)
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errResp := NewErrorResponse(msg.ID, "hook_error", err.Error())
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conn.SendJSON(errResp)
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return
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}
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// Remove subscription
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h.subscriptionManager.Unsubscribe(subID)
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conn.RemoveSubscription(subID)
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// Execute after hook
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h.hooks.Execute(AfterUnsubscribe, hookCtx)
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// Send response
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resp := NewResponseMessage(msg.ID, true, map[string]interface{}{
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"unsubscribed": true,
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"subscription_id": subID,
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})
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conn.SendJSON(resp)
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}
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// handlePing responds to ping messages
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func (h *Handler) handlePing(conn *Connection, msg *Message) {
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pong := &Message{
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ID: msg.ID,
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Type: MessageTypePong,
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Timestamp: time.Now(),
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}
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conn.SendJSON(pong)
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}
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// notifySubscribers sends notifications to all subscribers of an entity
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func (h *Handler) notifySubscribers(schema, entity string, operation OperationType, data interface{}) {
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subscriptions := h.subscriptionManager.GetSubscriptionsByEntity(schema, entity)
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if len(subscriptions) == 0 {
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return
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}
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for _, sub := range subscriptions {
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// Check if data matches subscription filters
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if !sub.MatchesFilters(data) {
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continue
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}
|
||||
|
||||
// Get connection
|
||||
conn, exists := h.connManager.GetConnection(sub.ConnectionID)
|
||||
if !exists {
|
||||
continue
|
||||
}
|
||||
|
||||
// Send notification
|
||||
notification := NewNotificationMessage(sub.ID, operation, schema, entity, data)
|
||||
if err := conn.SendJSON(notification); err != nil {
|
||||
logger.Error("[WebSocketSpec] Failed to send notification to connection %s: %v", conn.ID, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// CRUD operation implementations
|
||||
|
||||
func (h *Handler) readByID(hookCtx *HookContext) (interface{}, error) {
|
||||
query := h.db.NewSelect().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
|
||||
// Add ID filter
|
||||
pkName := reflection.GetPrimaryKeyName(hookCtx.Model)
|
||||
query = query.Where(fmt.Sprintf("%s = ?", pkName), hookCtx.ID)
|
||||
|
||||
// Apply columns
|
||||
if hookCtx.Options != nil && len(hookCtx.Options.Columns) > 0 {
|
||||
query = query.Column(hookCtx.Options.Columns...)
|
||||
}
|
||||
|
||||
// Apply preloads (simplified for now)
|
||||
if hookCtx.Options != nil {
|
||||
for _, preload := range hookCtx.Options.Preload {
|
||||
query = query.PreloadRelation(preload.Relation)
|
||||
}
|
||||
}
|
||||
|
||||
// Execute query
|
||||
if err := query.ScanModel(hookCtx.Context); err != nil {
|
||||
return nil, fmt.Errorf("failed to read record: %w", err)
|
||||
}
|
||||
|
||||
return hookCtx.ModelPtr, nil
|
||||
}
|
||||
|
||||
func (h *Handler) readMultiple(hookCtx *HookContext) (interface{}, map[string]interface{}, error) {
|
||||
query := h.db.NewSelect().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
|
||||
// Apply options (simplified implementation)
|
||||
if hookCtx.Options != nil {
|
||||
// Apply filters
|
||||
for _, filter := range hookCtx.Options.Filters {
|
||||
query = query.Where(fmt.Sprintf("%s %s ?", filter.Column, h.getOperatorSQL(filter.Operator)), filter.Value)
|
||||
}
|
||||
|
||||
// Apply sorting
|
||||
for _, sort := range hookCtx.Options.Sort {
|
||||
direction := "ASC"
|
||||
if sort.Direction == "desc" {
|
||||
direction = "DESC"
|
||||
}
|
||||
query = query.Order(fmt.Sprintf("%s %s", sort.Column, direction))
|
||||
}
|
||||
|
||||
// Apply limit and offset
|
||||
if hookCtx.Options.Limit != nil {
|
||||
query = query.Limit(*hookCtx.Options.Limit)
|
||||
}
|
||||
if hookCtx.Options.Offset != nil {
|
||||
query = query.Offset(*hookCtx.Options.Offset)
|
||||
}
|
||||
|
||||
// Apply preloads
|
||||
for _, preload := range hookCtx.Options.Preload {
|
||||
query = query.PreloadRelation(preload.Relation)
|
||||
}
|
||||
|
||||
// Apply columns
|
||||
if len(hookCtx.Options.Columns) > 0 {
|
||||
query = query.Column(hookCtx.Options.Columns...)
|
||||
}
|
||||
}
|
||||
|
||||
// Execute query
|
||||
if err := query.ScanModel(hookCtx.Context); err != nil {
|
||||
return nil, nil, fmt.Errorf("failed to read records: %w", err)
|
||||
}
|
||||
|
||||
// Get count
|
||||
metadata := make(map[string]interface{})
|
||||
countQuery := h.db.NewSelect().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
if hookCtx.Options != nil {
|
||||
for _, filter := range hookCtx.Options.Filters {
|
||||
countQuery = countQuery.Where(fmt.Sprintf("%s %s ?", filter.Column, h.getOperatorSQL(filter.Operator)), filter.Value)
|
||||
}
|
||||
}
|
||||
count, _ := countQuery.Count(hookCtx.Context)
|
||||
metadata["total"] = count
|
||||
metadata["count"] = reflection.Len(hookCtx.ModelPtr)
|
||||
|
||||
return hookCtx.ModelPtr, metadata, nil
|
||||
}
|
||||
|
||||
func (h *Handler) create(hookCtx *HookContext) (interface{}, error) {
|
||||
// Marshal and unmarshal data into model
|
||||
dataBytes, err := json.Marshal(hookCtx.Data)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to marshal data: %w", err)
|
||||
}
|
||||
|
||||
if err := json.Unmarshal(dataBytes, hookCtx.ModelPtr); err != nil {
|
||||
return nil, fmt.Errorf("failed to unmarshal data into model: %w", err)
|
||||
}
|
||||
|
||||
// Insert record
|
||||
query := h.db.NewInsert().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
if _, err := query.Exec(hookCtx.Context); err != nil {
|
||||
return nil, fmt.Errorf("failed to create record: %w", err)
|
||||
}
|
||||
|
||||
return hookCtx.ModelPtr, nil
|
||||
}
|
||||
|
||||
func (h *Handler) update(hookCtx *HookContext) (interface{}, error) {
|
||||
// Marshal and unmarshal data into model
|
||||
dataBytes, err := json.Marshal(hookCtx.Data)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to marshal data: %w", err)
|
||||
}
|
||||
|
||||
if err := json.Unmarshal(dataBytes, hookCtx.ModelPtr); err != nil {
|
||||
return nil, fmt.Errorf("failed to unmarshal data into model: %w", err)
|
||||
}
|
||||
|
||||
// Update record
|
||||
query := h.db.NewUpdate().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
|
||||
// Add ID filter
|
||||
pkName := reflection.GetPrimaryKeyName(hookCtx.Model)
|
||||
query = query.Where(fmt.Sprintf("%s = ?", pkName), hookCtx.ID)
|
||||
|
||||
if _, err := query.Exec(hookCtx.Context); err != nil {
|
||||
return nil, fmt.Errorf("failed to update record: %w", err)
|
||||
}
|
||||
|
||||
// Fetch updated record
|
||||
return h.readByID(hookCtx)
|
||||
}
|
||||
|
||||
func (h *Handler) delete(hookCtx *HookContext) error {
|
||||
query := h.db.NewDelete().Model(hookCtx.ModelPtr).Table(hookCtx.TableName)
|
||||
|
||||
// Add ID filter
|
||||
pkName := reflection.GetPrimaryKeyName(hookCtx.Model)
|
||||
query = query.Where(fmt.Sprintf("%s = ?", pkName), hookCtx.ID)
|
||||
|
||||
if _, err := query.Exec(hookCtx.Context); err != nil {
|
||||
return fmt.Errorf("failed to delete record: %w", err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Helper methods
|
||||
|
||||
func (h *Handler) getTableName(schema, entity string, model interface{}) string {
|
||||
// Use entity as table name
|
||||
tableName := entity
|
||||
|
||||
if schema != "" {
|
||||
tableName = schema + "." + tableName
|
||||
}
|
||||
return tableName
|
||||
}
|
||||
|
||||
func (h *Handler) getMetadata(schema, entity string, model interface{}) map[string]interface{} {
|
||||
metadata := make(map[string]interface{})
|
||||
metadata["schema"] = schema
|
||||
metadata["entity"] = entity
|
||||
metadata["table_name"] = h.getTableName(schema, entity, model)
|
||||
|
||||
// Get fields from model using reflection
|
||||
columns := reflection.GetModelColumns(model)
|
||||
metadata["columns"] = columns
|
||||
metadata["primary_key"] = reflection.GetPrimaryKeyName(model)
|
||||
|
||||
return metadata
|
||||
}
|
||||
|
||||
// getOperatorSQL converts filter operator to SQL operator
|
||||
func (h *Handler) getOperatorSQL(operator string) string {
|
||||
switch operator {
|
||||
case "eq":
|
||||
return "="
|
||||
case "neq":
|
||||
return "!="
|
||||
case "gt":
|
||||
return ">"
|
||||
case "gte":
|
||||
return ">="
|
||||
case "lt":
|
||||
return "<"
|
||||
case "lte":
|
||||
return "<="
|
||||
case "like":
|
||||
return "LIKE"
|
||||
case "ilike":
|
||||
return "ILIKE"
|
||||
case "in":
|
||||
return "IN"
|
||||
default:
|
||||
return "="
|
||||
}
|
||||
}
|
||||
|
||||
// Shutdown gracefully shuts down the handler
|
||||
func (h *Handler) Shutdown() {
|
||||
h.connManager.Shutdown()
|
||||
}
|
||||
|
||||
// GetConnectionCount returns the number of active connections
|
||||
func (h *Handler) GetConnectionCount() int {
|
||||
return h.connManager.Count()
|
||||
}
|
||||
|
||||
// GetSubscriptionCount returns the number of active subscriptions
|
||||
func (h *Handler) GetSubscriptionCount() int {
|
||||
return h.subscriptionManager.Count()
|
||||
}
|
||||
|
||||
// BroadcastMessage sends a message to all connections matching the filter
|
||||
func (h *Handler) BroadcastMessage(message interface{}, filter func(*Connection) bool) error {
|
||||
data, err := json.Marshal(message)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to marshal message: %w", err)
|
||||
}
|
||||
|
||||
h.connManager.Broadcast(data, filter)
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetConnection retrieves a connection by ID
|
||||
func (h *Handler) GetConnection(id string) (*Connection, bool) {
|
||||
return h.connManager.GetConnection(id)
|
||||
}
|
||||
|
||||
// Helper to convert string ID to int64
|
||||
func parseID(id string) (int64, error) {
|
||||
return strconv.ParseInt(id, 10, 64)
|
||||
}
|
||||
Reference in New Issue
Block a user