[MM-42101] Implement option to enable calls by default

plugin.json

@@ -45,8 +45,16 @@
           "key": "AllowEnableCalls",
           "display_name": "Allow Enable Calls",
           "type": "bool",
-          "help_text": "When set to true, it allows channel admins to enable calls in their channels. It also allows participants of DMs/GMs to enable calls.",
+          "help_text": "When set to true, it allows channel admins to enable or disable calls in their channels. It also allows participants of DMs/GMs to enable or disable calls.",
           "default": false
-        }]
+        },
+        {
+          "key": "DefaultEnabled",
+          "display_name": "Default Enabled Calls",
+          "type": "bool",
+          "help_text": "When set to true, calls will be possible in all channels where they are not explicitly disabled.",
+          "default": true
+        }
+        ]
     }
 }

server/api.go

@@ -57,6 +57,14 @@ func (p *Plugin) handleGetChannel(w http.ResponseWriter, r *http.Request, channe
 	info := ChannelState{
 		ChannelID: channelID,
 	}
+
+	cfg := p.getConfiguration()
+	if state == nil && cfg.DefaultEnabled != nil && *cfg.DefaultEnabled {
+		state = &channelState{
+			Enabled: true,
+		}
+	}
+
 	if state != nil {
 		info.Enabled = state.Enabled
 		if state.Call != nil {

server/configuration.go

@@ -32,9 +32,11 @@ type configuration struct {
 type clientConfig struct {
 	// A comma separated list of ICE servers URLs (STUN/TURN) to use.
 	ICEServers ICEServers
-	// When set to true, it allows channel admins to enable calls in their channels.
-	// It also allows participants of DMs/GMs to enable calls.
+	// When set to true, it allows channel admins to enable or disable calls in their channels.
+	// It also allows participants of DMs/GMs to enable or disable calls.
 	AllowEnableCalls *bool
+	// When set to true, calls will be possible in all channels where they are not explicitly disabled.
+	DefaultEnabled *bool
 }
 
 type ICEServers []string
@@ -96,6 +98,7 @@ func (pr PortsRange) IsValid() error {
 func (c *configuration) getClientConfig() clientConfig {
 	return clientConfig{
 		AllowEnableCalls: c.AllowEnableCalls,
+		DefaultEnabled:   c.DefaultEnabled,
 		ICEServers:       c.ICEServers,
 	}
 }
@@ -107,6 +110,10 @@ func (c *configuration) SetDefaults() {
 	if c.AllowEnableCalls == nil {
 		c.AllowEnableCalls = new(bool)
 	}
+	if c.DefaultEnabled == nil {
+		c.DefaultEnabled = new(bool)
+		*c.DefaultEnabled = true
+	}
 }
 
 func (c *configuration) IsValid() error {
@@ -140,6 +147,10 @@ func (c *configuration) Clone() *configuration {
 		cfg.AllowEnableCalls = model.NewBool(*c.AllowEnableCalls)
 	}
 
+	if c.DefaultEnabled != nil {
+		cfg.DefaultEnabled = model.NewBool(*c.DefaultEnabled)
+	}
+
 	if c.ICEServers != nil {
 		cfg.ICEServers = make(ICEServers, len(c.ICEServers))
 		for i, u := range c.ICEServers {

server/configuration_test.go

@@ -75,7 +75,10 @@ func TestGetClientConfig(t *testing.T) {
 	cfg.SetDefaults()
 	clientCfg := cfg.getClientConfig()
 	require.Equal(t, cfg.AllowEnableCalls, clientCfg.AllowEnableCalls)
+	require.Equal(t, cfg.DefaultEnabled, clientCfg.DefaultEnabled)
 	*cfg.AllowEnableCalls = true
+	*cfg.DefaultEnabled = true
 	clientCfg = cfg.getClientConfig()
 	require.Equal(t, cfg.AllowEnableCalls, clientCfg.AllowEnableCalls)
+	require.Equal(t, cfg.DefaultEnabled, clientCfg.DefaultEnabled)
 }

server/session.go

@@ -64,10 +64,24 @@ func newUserSession(userID, channelID, connID string) *session {
 
 func (p *Plugin) addUserSession(userID, channelID string, userSession *session) (channelState, error) {
 	var st channelState
+
+	cfg := p.getConfiguration()
+
 	err := p.kvSetAtomicChannelState(channelID, func(state *channelState) (*channelState, error) {
 		if state == nil {
-			return nil, fmt.Errorf("channel state is missing from store")
+			if cfg.DefaultEnabled != nil && *cfg.DefaultEnabled {
+				state = &channelState{
+					Enabled: true,
+				}
+			} else {
+				return nil, fmt.Errorf("channel state is missing from store")
+			}
 		}
+
+		if !state.Enabled {
+			return nil, fmt.Errorf("calls are not enabled")
+		}
+
 		if state.Call == nil {
 			state.Call = &callState{
 				ID:      model.NewId(),

webapp/src/client.ts

@@ -112,8 +112,7 @@ export default class CallsClient extends EventEmitter {
         this.ws = ws;
 
         ws.on('error', (err) => {
-            console.log(`ws error: ${err}`);
-            this.ws = null;
+            console.log('ws error', err);
             this.disconnect();
         });
 
@@ -168,7 +167,7 @@ export default class CallsClient extends EventEmitter {
                 }
             });
             peer.on('error', (err) => {
-                console.log(`peer error: ${err}`);
+                console.log('peer error', err);
                 this.disconnect();
             });
             peer.on('stream', (remoteStream) => {