AstrodataGUI: connect to db

astrodatagui/AstrodataGUI.py

@@ -1,10 +1,26 @@
 from PyQt5 import QtWidgets, uic
 import os
 
+from .db.StarsDB import StarDB
+
+DB_FILENAME = "stars.db"
+
 class AstrodataGUI(QtWidgets.QMainWindow):
     def __init__(self):
         super(AstrodataGUI, self).__init__()
         classFileDir = os.path.dirname(os.path.abspath(__file__))
         absUiFilePath = os.path.join(classFileDir, "astrodatagui.ui")
         uic.loadUi(absUiFilePath, self)
-        self.show()
+        self.show()
+
+        self.loadDB()
+
+    def loadDB(self):
+        try:
+            self.starDB = StarDB.getInstance()
+        except:
+            self.showErrorMessage("DB Connection failed",
+                                  f"Could not connect to local database file {DB_FILENAME}")
+
+    def showErrorMessage(self, title: str, msg: str):
+        return