time, status, error history, running sessions, sessions history, private page with key, added

src/database/database.js

@@ -1,6 +1,7 @@
 const { MongoClient } = require("mongodb")
 const { database_url, database_name } = require('../../config')
 const crypto = require("crypto")
+const time = require('../modules/time')
 let max_database_connection_timeout = 1000
 
 const client = new MongoClient(database_url, {
@@ -38,6 +39,15 @@ const get_titles_for_language = async (start, count, language) => {
     return (!titles.length) ? null : titles
 }
 
+const get_private_title_with_key = async (key) => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+    var titles = await db.collection('private_title').find({key:key}).toArray()
+    return (!titles.length) ? null : titles[0]
+}
+
 const get_free_session_servers = async (title) => {
     var db = await get_db()
     if (!db) {
@@ -122,6 +132,95 @@ const get_session_websocket_url = async (session_id) => {
     return session.websocket_url
 }
 
+const get_statuses = async () => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+    var statuses = await db.collection('status').find().toArray()
+    return (!statuses.length) ? null : statuses
+}
+
+const get_all_session_servers = async () => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+
+    var servers = await db.collection('session_server').find().toArray()
+
+    if (!servers.length) {
+        return null
+    }
+    return servers
+}
+
+const add_error = async (error_message) => {
+    var db = await get_db()
+    if (!db) {
+        return false
+    }
+
+    var error_collection = db.collection('error')
+
+    await error_collection.insertOne({error_message:error_message, time: time.get_date_time()})
+    return true
+}
+
+const get_errors = async () => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+    var errors = await db.collection('error').find().toArray()
+    return (!errors.length) ? null : errors
+}
+
+const get_all_active_sessions = async () => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+
+    var active_sessions = await db.collection('active_session').find().toArray()
+
+    if (!active_sessions.length) {
+        return null
+    }
+    return active_sessions
+}
+
+const add_session_to_history = async (server_url, session_id, websocket_url) => {
+    var db = await get_db()
+    if (!db) {
+        return false
+    }
+
+    var session_history = db.collection('session_history')
+
+    await session_history.insertOne({
+        server_url: server_url,
+        session_id: session_id,
+        websocket_url: websocket_url,
+        time: time.get_date_time()
+    })
+    return true
+}
+
+const get_all_session_history = async () => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+
+    var session_history = await db.collection('session_history').find().toArray()
+
+    if (!session_history.length) {
+        return null
+    }
+    return session_history
+}
+
 module.exports = {
     get_titles,
     get_free_session_servers,
@@ -129,5 +228,13 @@ module.exports = {
     generate_session_id,
     remove_active_session,
     get_session_websocket_url,
-    get_titles_for_language
+    get_titles_for_language,
+    get_private_title_with_key,
+    get_statuses,
+    get_all_session_servers,
+    add_error,
+    get_errors,
+    get_all_active_sessions,
+    add_session_to_history,
+    get_all_session_history
 }