Thomas Peetz
c5aa3b32ef
implement generic table model which reads table info from db and constructs table view
83 lines
3.1 KiB
Python
83 lines
3.1 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.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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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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return rows[0][0]
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return None
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def get_table_config(self):
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table_id = self.get_table_id()
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cursor = self.db_conn.cursor()
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cursor.execute("SELECT id, column_name, column_order FROM meta_data_column WHERE table_id=? AND is_shown is true", (table_id, ))
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rows = cursor.fetchall()
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self.header.clear()
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for (column_id, column_name, column_order) in rows:
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self.header.insert(column_order-1, column_name)
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print(f"retrieved {len(rows)} columns, set {len(self.header)} headers")
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def get_header(self) -> list:
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self.get_table_config()
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return self.header
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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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if self.filter["download"].isChecked():
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# print(self.filter["download"].isChecked())
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filter_rule = "WHERE should_download is true"
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if self.filter["review"].isChecked():
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if len(filter_rule) > 0:
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filter_rule += " AND "
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else:
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filter_rule += "WHERE "
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filter_rule += "review 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 in range(len(self.header)):
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if index > 0:
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columns += ", "
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columns += self.header[index]
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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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download_checkbox = QCheckBox()
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download_checkbox.setText("Download")
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download_checkbox.checkStateChanged.connect(self.main_window.refresh)
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self.filter["download"] = download_checkbox
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review_checkbox = QCheckBox()
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review_checkbox.setText("Review")
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review_checkbox.checkStateChanged.connect(self.main_window.refresh)
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self.filter["review"] = review_checkbox
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filter_layout.addWidget(review_checkbox)
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filter_layout.addWidget(download_checkbox)
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filter_layout.addStretch()
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return filter_layout
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