added backend which maintains ai instances;

added frontend as control panel

backend/ai/services/AiService.py

@@ -0,0 +1,35 @@
+from .AiInstance import AiInstance
+from ..models import AiConfig
+
+
+class AiService:
+    instances: [AiInstance] = []
+
+    # Singleton
+    # def __new__(cls):
+    #     if not hasattr(cls, 'instance'):
+    #         cls.instance = super(AiService, cls).__new__(cls)
+    #     return cls.instance
+
+    def __init__(self):
+        print('Initializing AiService')
+
+    def get_configurations(self) -> [AiConfig]:
+        return AiConfig.objects.filter()
+
+    def get_instances(self) -> [AiInstance]:
+        self.__ensure_instances_inited__()
+        return self.instances
+
+    def get_instance(self, name: str) -> AiInstance:
+        return [i for i in self.get_instances() if i.configuration.name == name][0]
+
+    def __ensure_instances_inited__(self):
+        for config in self.get_configurations():
+            if len([i for i in self.instances if i.configuration.name == config.name]) == 0:
+                self.instances.append(AiInstance(config))
+
+    def __del__(self):
+        print('Destructing AiService')
+        for instance in self.instances:
+            del instance