Inital Commit (Errors, I need to move through devices)

Signed-off-by: Alex Emmet <111742636+Alex-Emmet@users.noreply.github.com>

src/calls/call_manager.rs

@@ -0,0 +1,40 @@
+use crate::calls::call_group::CallGroup;
+use crate::data::communication::{CommunicationType, CommunicationValue, DataTypes};
+use futures::{SinkExt, StreamExt};
+use json::JsonValue;
+use std::collections::{HashMap, HashSet};
+use std::sync::{Arc, Mutex};
+use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender, unbounded_channel};
+use tungstenite::Utf8Bytes;
+use uuid::Uuid;
+use warp::Filter;
+
+pub type Tx = UnboundedSender<Utf8Bytes>;
+
+#[derive(Debug)]
+pub struct CallManagerState {
+    pub call_groups: HashMap<Uuid, Arc<CallGroup>>,
+}
+
+impl CallManagerState {
+    pub fn new() -> Self {
+        CallManagerState {
+            call_groups: HashMap::new(),
+        }
+    }
+
+    pub fn get_or_create_group(&mut self, call_id: Uuid, secret: &str) -> Arc<CallGroup> {
+        let g = self.call_groups.get_mut(&call_id);
+        if let Some(group) = g {
+            group.clone()
+        } else {
+            let cg = Arc::new(CallGroup::new(call_id, secret.to_string()));
+            self.call_groups.insert(call_id, cg);
+            self.call_groups.get(&call_id).unwrap().clone()
+        }
+    }
+
+    pub fn remove_inactive(&mut self) {
+        self.call_groups.retain(|_k, v| v.callers.len() > 0);
+    }
+}