Add server download status indicator

app/classes/controllers/servers_controller.py

@@ -50,6 +50,18 @@ class Servers_Controller:
     def update_server(server_obj):
         return servers_helper.update_server(server_obj)
 
+    @staticmethod
+    def set_download(server_id):
+        return servers_helper.set_download(server_id)
+
+    @staticmethod
+    def finish_download(server_id):
+        return servers_helper.finish_download(server_id)
+
+    @staticmethod
+    def get_download_status(server_id):
+        return servers_helper.get_download_status(server_id)
+
     @staticmethod
     def remove_server(server_id):
         roles_list = server_permissions.get_roles_from_server(server_id)

app/classes/minecraft/serverjars.py

@@ -8,6 +8,9 @@ from datetime import datetime
 
 from app.classes.shared.helpers import helper
 from app.classes.shared.console import console
+from app.classes.controllers.servers_controller import Servers_Controller
+from app.classes.web.websocket_helper import websocket_helper
+from app.classes.models.server_permissions import server_permissions
 
 logger = logging.getLogger(__name__)
 
@@ -170,23 +173,53 @@ class ServerJars:
         response = self._get_api_result(url)
         return response
 
-    def download_jar(self, server, version, path):
+    def download_jar(self, server, version, path, server_id):
-        update_thread = threading.Thread(target=self.a_download_jar, daemon=True, args=(server, version, path))
+        update_thread = threading.Thread(target=self.a_download_jar, daemon=True, args=(server, version, path, server_id))
         update_thread.start()
 
-    def a_download_jar(self, server, version, path):
+    def a_download_jar(self, server, version, path, server_id):
+        #delaying download for server register to finish
+        time.sleep(3)
         fetch_url = f"{self.base_url}/api/fetchJar/{server}/{version}"
+        server_users = server_permissions.get_server_user_list(server_id)
+
+
+        #We need to make sure the server is registered before we submit a db update for it's stats.
+        while True:
+            try:
+                Servers_Controller.set_download(server_id)
+                for user in server_users:
+                    websocket_helper.broadcast_user(user, 'send_start_reload', {
+                    })
+
+                break
+            except:
+                logger.debug("server not registered yet. Delaying download.")
 
         # open a file stream
         with requests.get(fetch_url, timeout=2, stream=True) as r:
             try:
                 with open(path, 'wb') as output:
                     shutil.copyfileobj(r.raw, output)
+                    Servers_Controller.finish_download(server_id)
 
+                    for user in server_users:
+                        websocket_helper.broadcast_user(user, 'notification', "Executable download finished")
+                        time.sleep(3)
+                        websocket_helper.broadcast_user(user, 'send_start_reload', {
+                        })
+                    return True
             except Exception as e:
                 logger.error(f"Unable to save jar to {path} due to error:{e}")
+                Servers_Controller.finish_download(server_id)
+                server_users = server_permissions.get_server_user_list(server_id)
+                for user in server_users:
+                    websocket_helper.broadcast_user(user, 'notification', "Executable download finished")
+                    time.sleep(3)
+                    websocket_helper.broadcast_user(user, 'send_start_reload', {
+                    })
 
-        return False
+                return False
 
 
 server_jar_obj = ServerJars()

app/classes/models/servers.py

@@ -75,6 +75,7 @@ class Server_Stats(Model):
     waiting_start = BooleanField(default=False)
     first_run = BooleanField(default=True)
     crashed = BooleanField(default=False)
+    downloading = BooleanField(default=False)
 
 
     class Meta:
@@ -194,6 +195,22 @@ class helper_servers:
         with database.atomic():
             Server_Stats.update(crashed=True).where(Server_Stats.server_id == server_id).execute()
 
+    @staticmethod
+    def set_download(server_id):
+        with database.atomic():
+            Server_Stats.update(downloading=True).where(Server_Stats.server_id == server_id).execute()
+
+    @staticmethod
+    def finish_download(server_id):
+        with database.atomic():
+            Server_Stats.update(downloading=False).where(Server_Stats.server_id == server_id).execute()
+
+    @staticmethod
+    def get_download_status(server_id):
+        download_status = Server_Stats.select().where(Server_Stats.server_id == server_id).get()
+        return download_status.downloading
+
+
     @staticmethod
     def server_crash_reset(server_id):
         with database.atomic():

app/classes/shared/main_controller.py

@@ -292,11 +292,12 @@ class Controller:
         server_log_file = f"{server_dir}/logs/latest.log"
         server_stop = "stop"
 
-        # download the jar
-        server_jar_obj.download_jar(server, version, full_jar_path)
-
         new_id = self.register_server(name, server_id, server_dir, backup_path, server_command, server_file, server_log_file, server_stop,
                                     port, server_type='minecraft-java')
+
+        # download the jar
+        server_jar_obj.download_jar(server, version, full_jar_path, new_id)
+
         return new_id
 
     @staticmethod

app/classes/shared/server.py

@@ -188,6 +188,13 @@ class Server:
         else:
             user_lang = users_helper.get_user_lang_by_id(user_id)
 
+        if servers_helper.get_download_status(self.server_id):
+            if user_id:
+                websocket_helper.broadcast_user(user_id, 'send_start_error',{
+                    'error': translation.translate('error', 'not-downloaded', user_lang)
+                })
+            return False
+
         logger.info(f"Start command detected. Reloading settings from DB for server {self.name}")
         self.setup_server_run_command()
         # fail safe in case we try to start something already running

app/classes/web/panel_handler.py

@@ -150,7 +150,7 @@ class PanelHandler(BaseHandler):
                 else:
                     if not self.controller.servers.server_id_authorized(server_id, exec_user["user_id"]):
                         print(f'User {exec_user["user_id"]} does not have permission')
-                        self.redirect("/panel/error?error=Invalid Server ID")
+                        self.redirect("/pandel/error?error=Invalid Server ID")
                         return None
         return server_id
 
@@ -209,14 +209,17 @@ class PanelHandler(BaseHandler):
         user_order = user_order['server_order'].split(',')
         page_servers = []
         server_ids = []
+        un_used_servers = defined_servers
 
         for server_id in user_order:
-            for server in defined_servers:
+            for server in un_used_servers:
                 if str(server['server_id']) == str(server_id):
                     page_servers.append(server)
+                    un_used_servers.remove(server)
+                    user_order.remove(server_id)
 
 
-        for server in defined_servers:
+        for server in un_used_servers:
             server_ids.append(str(server['server_id']))
             if server not in page_servers:
                 page_servers.append(server)
@@ -335,14 +338,33 @@ class PanelHandler(BaseHandler):
             user_order = user_order['server_order'].split(',')
             page_servers = []
             server_ids = []
+            un_used_servers = page_data['servers']
+            flag = 0
 
             for server_id in user_order:
-                for server in page_data['servers']:
+                for server in un_used_servers:
+                    if flag == 0:
+                        server['stats']['downloading'] = self.controller.servers.get_download_status(
+                            str(server['stats']['server_id']['server_id']))
+                    server['stats']['crashed'] = self.controller.servers.is_crashed(
+                            str(server['stats']['server_id']['server_id']))
+                    try:
+                        server['stats']['waiting_start'] = self.controller.servers.get_waiting_start(
+                            str(server['stats']['server_id']['server_id']))
+                    except Exception as e:
+                        logger.error(f"Failed to get server waiting to start: {e}")
+                        server['stats']['waiting_start'] = False
+
                     if str(server['server_data']['server_id']) == str(server_id):
                         page_servers.append(server)
+                        un_used_servers.remove(server)
+                        user_order.remove(server_id)
+                #we only want to set these server stats values once. We need to update the flag so it only hits that if once.
+                flag += 1
 
 
-            for server in page_data['servers']:
+
+            for server in un_used_servers:
                 server_ids.append(str(server['server_data']['server_id']))
                 if server not in page_servers:
                     page_servers.append(server)
@@ -352,17 +374,6 @@ class PanelHandler(BaseHandler):
                     user_order.remove(server_id)
             page_data['servers'] = page_servers
 
-
-            for data in page_data['servers']:
-                data['stats']['crashed'] = self.controller.servers.is_crashed(
-                        str(data['stats']['server_id']['server_id']))
-                try:
-                    data['stats']['waiting_start'] = self.controller.servers.get_waiting_start(
-                        str(data['stats']['server_id']['server_id']))
-                except Exception as e:
-                    logger.error(f"Failed to get server waiting to start: {e}")
-                    data['stats']['waiting_start'] = False
-
             try:
                 self.fetch_server_data(page_data)
             except:
@@ -390,6 +401,8 @@ class PanelHandler(BaseHandler):
             # server_data isn't needed since the server_stats also pulls server data
             page_data['server_data'] = self.controller.servers.get_server_data_by_id(server_id)
             page_data['server_stats'] = self.controller.servers.get_server_stats_by_id(server_id)
+            page_data['downloading'] = self.controller.servers.get_download_status(
+                    server_id)
             try:
                 page_data['waiting_start'] = self.controller.servers.get_waiting_start(server_id)
             except Exception as e:

app/frontend/templates/panel/dashboard.html

@@ -158,6 +158,9 @@
                     <a data-id="{{server['server_data']['server_id']}}" class="" title={{
                       translate('dashboard', 'delay-explained' , data['lang'])}}>{{ translate('dashboard', 'starting',
                       data['lang']) }}</i></a>
+                      {% elif server['stats']['downloading']%}
+                      <a data-id="{{server['server_data']['server_id']}}" class=""><i class="fa fa-spinner fa-spin"></i> {{ translate('serverTerm', 'downloading',
+                        data['lang']) }}</a>
                     {% else %}
                     <a data-id="{{server['server_data']['server_id']}}" class="play_button"
                       data-toggle="tooltip" title="{{ translate('dashboard', 'start' , data['lang']) }}">

app/frontend/templates/panel/server_term.html

@@ -59,6 +59,13 @@
               <button onclick="" id="restart-btn" style="max-width: 7rem;" class="btn btn-outline-primary m-1 flex-grow-1 disabled">{% raw translate('serverTerm', 'restart', data['lang']) %}</button>
               <button onclick="" id="stop-btn" style="max-width: 7rem;" class="btn btn-danger m-1 flex-grow-1 disabled">{{ translate('serverTerm', 'stop', data['lang']) }}</button>
             </div>
+            {% elif data['downloading'] %}
+              <div id="control_buttons" class="mt-4 flex-wrap d-flex justify-content-between justify-content-md-center align-items-center px-5 px-md-0" style="visibility: visible">
+                <button onclick="" id="start-btn" style="max-width: 12rem; white-space: nowrap;" class="btn btn-secondary m-1 flex-grow-1 disabled"><i class="fa fa-spinner fa-spin"></i> {{ translate('serverTerm', 'downloading',
+                  data['lang']) }}</button>
+                <button onclick="" id="restart-btn" style="max-width: 7rem;" class="btn btn-outline-primary m-1 flex-grow-1 disabled">{% raw translate('serverTerm', 'restart', data['lang']) %}</button>
+                <button onclick="" id="stop-btn" style="max-width: 7rem;" class="btn btn-danger m-1 flex-grow-1 disabled">{{ translate('serverTerm', 'stop', data['lang']) }}</button>
+              </div>
             {% else %}
             <div id="control_buttons" class="mt-4 flex-wrap d-flex justify-content-between justify-content-md-center align-items-center px-5 px-md-0" style="visibility: visible">
               <button onclick="send_command(serverId, 'start_server');" id="start-btn" style="max-width: 7rem;" class="btn btn-primary m-1 flex-grow-1">{{ translate('serverTerm', 'start', data['lang']) }}</button>
@@ -153,6 +160,12 @@
     restartBtn.setAttribute('disabled', 'disabled');
     stopBtn.setAttribute('disabled', 'disabled');
   }
+
+  if (webSocket) {
+      webSocket.on('send_start_reload', function () {
+        location.reload()
+      });
+    }
   //{% end %}
 
   function get_server_log() {

app/migrations/20220303_downloading.py

@@ -0,0 +1,16 @@
+# Generated by database migrator
+import peewee
+
+def migrate(migrator, database, **kwargs):
+    migrator.add_columns('server_stats', downloading=peewee.BooleanField(default=False))
+    """
+    Write your migrations here.
+    """
+
+
+
+def rollback(migrator, database, **kwargs):
+    migrator.drop_columns('server_stats', ['downloading'])
+    """
+    Write your rollback migrations here.
+    """

app/translations/en_EN.json

@@ -165,7 +165,8 @@
         "stop": "Stop",
         "updating": "Updating...",
         "starting": "Delayed-Start",
-        "delay-explained": "The service/agent has recently started and is delaying the start of the minecraft server instance"
+        "delay-explained": "The service/agent has recently started and is delaying the start of the minecraft server instance",
+        "downloading": "Downloading..."
         },
     "serverPlayerManagement": {
         "players": "Players",