Thomas Peetz
85 lines
3.4 KiB
Python
85 lines
3.4 KiB
Python
import mariadb
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from PySide6.QtWidgets import QHBoxLayout, QCheckBox
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class KontorModelConfig:
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def __init__(self, db_config, main_window, table_name: str):
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self.header = {}
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self.filter = {}
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self.main_window = main_window
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self._table = table_name
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self._table_id = None
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self.db_conn = mariadb.connect(
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host=db_config['mariadb']['host'],
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port=db_config['mariadb']['port'],
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user=db_config['mariadb']['user'],
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password=db_config['mariadb']['password'],
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database=db_config['mariadb']['database']
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)
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self.get_table_config()
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def get_table_id(self):
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if self._table_id is not None:
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return
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cursor = self.db_conn.cursor()
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cursor.execute("SELECT id, created_date, last_modified_date FROM meta_data_table WHERE table_name=?", (self._table, ))
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rows = cursor.fetchall()
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if len(rows) == 1:
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self._table_id = rows[0][0]
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def get_table_config(self):
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if self._table_id is None:
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self.get_table_id()
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cursor = self.db_conn.cursor()
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cursor.execute("SELECT column_name, column_order, column_label FROM meta_data_column WHERE table_id=? AND is_shown is true ORDER bY column_order", (self._table_id, ))
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rows = cursor.fetchall()
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self.header.clear()
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order = 0
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for (column_name, column_order, column_label) in rows:
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self.header[order] = { 'column': column_name, 'label': column_label, 'order': column_order}
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order += 1
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# print(f"retrieved {len(rows)} columns, set {len(self.header)} headers")
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cursor.execute("SELECT column_name, filter_label from meta_data_column WHERE table_id=? AND show_filter is true", (self._table_id, ))
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rows = cursor.fetchall()
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for row in rows:
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self.filter[row[0]] = {'label': row[1], 'widget': None}
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# print(f"retrieved {len(rows)} filters: {self.filter}")
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def get_filter(self) -> str:
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filter_rule = ""
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# print(self.filter["download"].isChecked())
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for column, filter_info in self.filter.items():
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# print(column, filter_info)
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if filter_info['widget'].isChecked():
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# print(column, filter_info, filter_rule, len(filter_rule))
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if len(filter_rule) < 1:
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filter_rule += "WHERE "
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if len(filter_rule) > 8:
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filter_rule += " AND "
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filter_rule += f"{column} is true"
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# print(f"{filter_rule=}")
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return filter_rule
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def get_statement(self) -> str:
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filter_rule = self.get_filter()
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# self.get_table_config()
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columns = ""
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for index, column in self.header.items():
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if index > 0:
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columns += ", "
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columns += column['column']
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statement = f"SELECT {columns} FROM media_file {filter_rule}"
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return statement
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def get_filter_layout(self) -> QHBoxLayout:
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filter_layout = QHBoxLayout()
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for column, filter_info in self.filter.items():
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filter_checkbox = QCheckBox()
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filter_checkbox.setText(filter_info['label'])
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filter_checkbox.checkStateChanged.connect(self.main_window.refresh)
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self.filter[column]['widget'] = filter_checkbox
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filter_layout.addWidget(filter_checkbox)
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filter_layout.addStretch()
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return filter_layout
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