api related stuff

.gitignore

@@ -11,4 +11,4 @@ logs
 emojis.json
 
 # API
-api
+src/middleware/api

src/middleware/BaseClient.js

@@ -1,4 +1,5 @@
 const { EventEmitter } = require('events');
+const os = require('os');
 
 const SlashCommandManager = require('./rest/SlashCommandManager.js');
 const { ShardingManager } = require('./shard/');
@@ -16,6 +17,7 @@ class BaseClient extends EventEmitter {
         this.logger = new Logger(this, options.logger);
 
         this.version = version;
+        this.readyAt = null;
 
         this._options = options;
         this._built = false;
@@ -26,7 +28,20 @@ class BaseClient extends EventEmitter {
 
     async build() {
 
-        await this.shardingManager.spawn();
+        await this.shardingManager.spawn().catch((err) => {
+            this.error(`Fatal error during shard spawning:\n${err.stack}`);
+            // eslint-disable-next-line no-process-exit
+            process.exit(); // Prevent a boot loop when shards die due to an error in the client
+        });
+
+        const API = await import('./api/index.js').catch((err) => this.warn(`Error importing API files:\n${err.stack}`));
+        if (API) {
+            this.info('Booting up API');
+            const { default: APIManager } = API;
+            this.api = new APIManager(this);
+            await this.api.init();
+            this.info('API ready.');
+        }
 
         await this.slashCommandManager.global([
             {
@@ -35,11 +50,86 @@ class BaseClient extends EventEmitter {
             }
         ]);
 
+        this._built = true;
+        this.readyAt = Date.now();
+
     }
 
     _handleMessage(shard, message) {
         if (message._logger) return this.logger._handleMessage(shard, message);
         if (message._commands) return this.slashCommandManager._handleMessage(message);
+        if (message._api) return this.apiRequest(shard, message);
+    }
+
+    apiRequest(shard, message) {
+
+        const { type } = message;
+        switch (type) {
+            case 'stats':
+                this.aggregateStatistics(shard, message);
+                break;
+        }
+
+    }
+
+    async aggregateStatistics(shard, message) {
+        console.log('AGGREGATE STATS!');
+
+        const managerData = {
+            memory: process.memoryUsage().heapUsed, // Bytes
+            uptime: Date.now() - this.readyAt,
+            managedShards: this.shardingManager.shards.size
+        };
+
+        const CPU = os.cpus();
+        const freeMemory = os.freemem();
+        const totalMemory = os.totalmem();
+        const systemData = {
+            cpu: CPU[0].model.trim(),
+            threads: CPU.length,
+            memory: {
+                used: totalMemory - freeMemory,
+                total: totalMemory
+            },
+            osType: os.type(),
+            uptime: os.uptime(),
+            hostname: os.hostname()
+        };
+
+        const clientData = {
+            library: {
+                name: 'Discord.js',
+                version: require('discord.js').version
+            },
+            shardData: []
+        };
+
+        const databaseData = {
+
+        };
+
+        const data = {
+            systemData,
+            clientData,
+            databaseData,
+            managerData,
+            timestamp: Date.now()
+        };
+
+        shard.send({ success: true, id: message.id, data });
+
+    }
+
+    warn(message) {
+        this.logger.write('warn', message);
+    }
+
+    info(message) {
+        this.logger.write('info', message);
+    }
+
+    error(message) {
+        this.logger.write('error', message);
     }
 
 }

src/middleware/Logger.js

@@ -43,14 +43,14 @@ class Logger {
 
     }
 
-    write(type = 'info', string = '', shard = null) {
+    write(type = 'info', string = '', shard = null, api = false) {
 
         type = type.toLowerCase();
 
         let color = Constants.Colors[type];
         if(!color) color = Constants.Colors.info;
 
-        const header = `${chalk[color](`[${Util.date}][${shard ? `shard${this._shardId(shard)}` : 'manager'}]`)}`;
+        const header = `${chalk[color](`[${Util.date}][${shard ? `${api ? 'api-' : ''}shard${this._shardId(shard)}` : `${api ? 'api-' : ''}manager`}]`)}`;
 
         const maximumCharacters = Math.max(...Constants.Types.map((t) => t.length));
         const spacers = maximumCharacters - type.length;
@@ -97,7 +97,7 @@ class Logger {
 
     //Messages coming from the shards process.send functions.
     _handleMessage(shard, message) {
-        this.write(message.type, message.message, shard);
+        this.write(message.type, message.message, shard, message._api);
     }
 
     _shardId(shard) {