Restructuration of the project folders

server/traque-back/team_socket.js

@@ -0,0 +1,147 @@
+/*
+This file manages team access to the server via websocket.
+It receives messages, checks permissions, manages authentication and performs actions by calling functions from other modules.
+This module also exposes functions to send messages via socket to all teams
+*/
+import { io } from "./index.js";
+import game from "./game.js";
+import zoneManager from "./zone_manager.js";
+
+/**
+ * Send a socket message to all the players of a team
+ * @param {String} teamId The team that will receive the message
+ * @param {String} event Event name
+ * @param {*} data The payload
+ */
+export function teamBroadcast(teamId, event, data) {
+    game.getTeam(teamId).sockets.forEach(socketId => io.of("player").to(socketId).emit(event, data));
+}
+
+/**
+ * Send a message to all logged in players 
+ * @param {String} event Event name
+ * @param {String} data payload
+ */
+export function playersBroadcast(event, data) {
+    game.teams.forEach(team => teamBroadcast(team.id, event, data));
+}
+
+/**
+ * Send a socket message to all the players of a team
+ * @param {String} teamId The team that will receive the message
+ */
+export function sendUpdatedTeamInformations(teamId) {
+    // Test of parameters
+    if (!game.hasTeam(teamId)) return false;
+    // Variables
+    const team = game.getTeam(teamId);
+    const enemyTeam = game.getTeam(team.chasing);
+    teamBroadcast(teamId, "update_team", {
+        // Identification
+        name: team.name,
+        captureCode: team.captureCode,
+        // Chasing
+        captured: team.captured,
+        enemyName: enemyTeam?.name,
+        // Locations
+        lastSentLocation: team.lastSentLocation,
+        enemyLocation: team.enemyLocation,
+        // Placement phase
+        startingArea: team.startingArea,
+        ready: team.ready,
+        // Constraints
+        outOfZone: team.outOfZone,
+        outOfZoneDeadline: team.outOfZoneDeadline,
+        locationSendDeadline: team.locationSendDeadline,
+        hasHandicap: team.hasHandicap,
+        enemyHasHandicap: enemyTeam?.hasHandicap,
+        // Stats
+        distance: team.distance,
+        nCaptures: team.nCaptures,
+        nSentLocation: team.nSentLocation,
+        finishDate: team.finishDate,
+    });
+}
+
+export function initTeamSocket() {
+    io.of("player").on("connection", (socket) => {
+        console.log("Connection of a player");
+        let teamId = null;
+
+        const login = (loginTeamId) => {
+            logout();
+            if (!game.addPlayer(loginTeamId, socket.id)) return false;
+            teamId = loginTeamId;
+            return true;
+        }
+
+        const logout = () => {
+            if (!teamId) return;
+            game.removePlayer(teamId, socket.id);
+            teamId = null;
+        }
+
+        socket.on("disconnect", () => {
+            console.log("Disconnection of a player");
+            logout();
+        });
+
+        socket.on("logout", () => {
+            logout();
+        });
+
+        socket.on("login", (loginTeamId, callback) => {
+            if (!login(loginTeamId)) {
+                callback({ isLoggedIn: false, message: "Login denied" });
+                return;
+            }
+            sendUpdatedTeamInformations(loginTeamId);
+            socket.emit("game_state", {
+                state: game.state,
+                date: game.startDate
+            });
+            socket.emit("current_zone", {
+                begin: zoneManager.getCurrentZone(),
+                end: zoneManager.getNextZone(),
+                endDate: zoneManager.currentZone?.endDate,
+            });
+            socket.emit("settings", game.getPlayerSettings());
+            callback({ isLoggedIn : true, message: "Logged in"});
+        });
+
+        socket.on("update_position", (position) => {
+            if (!teamId) return;
+            if (game.isPlayerCapitain(teamId, socket.id)) {
+                game.updateLocation(teamId, position);
+            }
+        });
+
+        socket.on("send_position", () => {
+            if (!teamId) return;
+            game.sendLocation(teamId);
+        });
+
+        socket.on("capture", (captureCode, callback) => {
+            if (!teamId) return;
+            if (game.tryCapture(teamId, captureCode)) {
+                callback({ hasCaptured : true, message: "Capture successful" });
+            } else {
+                callback({ hasCaptured : false, message: "Capture denied" });
+            }
+        });
+
+        socket.on("device_info", (infos) => {
+            if (!teamId) return;
+            if (game.isPlayerCapitain(teamId, socket.id)) {
+                game.updateTeam(teamId, {phoneModel: infos.model, phoneName: infos.name});
+            }
+        });
+
+        socket.on("battery_update", (batteryLevel) => {
+            if (!teamId) return;
+            if (game.isPlayerCapitain(teamId, socket.id)) {
+                game.updateTeam(teamId, {battery: batteryLevel});
+            }
+        });
+    });
+}