database connection

Gui/EmployeTables.qml

@@ -72,7 +72,7 @@ Item {
             Layout.fillWidth: true
             columnSpacing: 1
             rowSpacing: 2
-            model: dbm
+            model: bm
             selectionBehavior: TableView.SelectRows
             selectionModel: ItemSelectionModel
 
@@ -109,7 +109,7 @@ Item {
 
                     onClicked:
                     {
-                        dbm.onRowClicked(row)
+                        bm.onRowClicked(row)
                         testTable.selectionModel.select(testTable.model.index(row, 0), ItemSelectionModel.SelectCurrent | ItemSelectionModel.Rows)
 
 

lib/ConfigLoader.py

@@ -52,7 +52,7 @@ class ConfigLoader(QObject):
 
 
     def getConfig(self):
-        print(self.__config['database'])
+
         return self.__config
 
     def createConfig(self):

lib/DB/BusinessModel.py

@@ -13,7 +13,7 @@ class BusinessModel(QAbstractTableModel):
 
     def __getData(self):
         cursor = self.con.cursor()
-        cursor.execute("SELECT * FROM test")
+        cursor.execute("SELECT * FROM users")
         return cursor.fetchall()
 
     def rowCount(self, parent= QModelIndex()):

lib/DB/DbManager.py

@@ -7,16 +7,22 @@ class DbManager(object):
     __connection = None
     __con_param = None
     def __new__ (cls):
+
         if not hasattr(cls, "__instance"):
             cls.__instance = super().__new__(cls)
         return cls.__instance
 
-    def __init__ (self, dbconf):
-        __con_param = __initializeConfig(dbconf)
-        self.__connection = mysql.connector.connect(__con_param)
-        return self.__connection
+    #def __init__ (self, dbconf, *args):
+    @classmethod
+    def connectDB(cls, dbconf):
 
-    def __initializeConfig(self, dbconf):
-        __con_param = {'user': dbconf['DB_USER'], 'password': dbconf['DB_PASS'], 'port': dbconf['DB_PORT'], 'host': dbconf['DB_HOST'], 'name': dbconf['DB_NAME']}
-        return __con_param
+        con_param = cls.__initializeConfig(dbconf)
+        cls.__connection = mysql.connector.connect(**con_param)
+        return cls.__connection
+
+    def __initializeConfig(dbconf):
+
+        con_param = {'user': dbconf['DB_USER'], 'password': dbconf['DB_PASS'], 'port': int (dbconf['DB_PORT']), 'host': dbconf['DB_HOST'], 'database': dbconf['DB_NAME']}
+
+        return con_param
 

main.py

@@ -9,7 +9,7 @@ from lib.DB.BusinessModel import BusinessModel
 import rc_pyqcrm
 import rc_qml
 import sqlite3
-import lib.DB.DbManager
+from lib.DB.DbManager import DbManager
 
 # [pyqcrm]
 # program-name=""
@@ -43,11 +43,13 @@ if __name__ == "__main__":
 
     config = ConfigLoader()
 
-    con = DbManager()
-    bm = BusinessModel(con)
 
     if not config.getConfig():
         bad_config = True
+        bm = False
+    else:
+        con = DbManager().connectDB(config.getConfig()['database'])
+        bm = BusinessModel(con)
 
 
     engine.rootContext().setContextProperty("bm", bm)