common errors as variable.

internal/types/capture.go

@@ -2,6 +2,7 @@ package types
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math"
 	"strings"
@@ -12,6 +13,10 @@ import (
 	"demodesk/neko/internal/types/codec"
 )
 
+var (
+	ErrCapturePipelineAlreadyExists = errors.New("capture pipeline already exists")
+)
+
 type Sample media.Sample
 
 type BroadcastManager interface {

internal/types/member.go

@@ -1,5 +1,13 @@
 package types
 
+import "errors"
+
+var (
+	ErrMemberAlreadyExists   = errors.New("member already exists")
+	ErrMemberDoesNotExist    = errors.New("member does not exist")
+	ErrMemberInvalidPassword = errors.New("invalid password")
+)
+
 type MemberProfile struct {
 	Name               string `json:"name"`
 	IsAdmin            bool   `json:"is_admin"`

internal/types/session.go

@@ -1,6 +1,16 @@
 package types
 
-import "net/http"
+import (
+	"errors"
+	"net/http"
+)
+
+var (
+	ErrSessionNotFound         = errors.New("session not found")
+	ErrSessionAlreadyExists    = errors.New("session already exists")
+	ErrSessionAlreadyConnected = errors.New("session is already connected")
+	ErrSessionLoginDisabled    = errors.New("session login disabled")
+)
 
 type SessionState struct {
 	IsConnected bool `json:"is_connected"`

internal/types/webrtc.go

@@ -1,6 +1,15 @@
 package types
 
-import "github.com/pion/webrtc/v3"
+import (
+	"errors"
+
+	"github.com/pion/webrtc/v3"
+)
+
+var (
+	ErrWebRTCVideoNotFound       = errors.New("webrtc video not found")
+	ErrWebRTCDataChannelNotFound = errors.New("webrtc data channel not found")
+)
 
 type ICEServer struct {
 	URLs       []string `mapstructure:"urls"       json:"urls"`