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294 lines
14 KiB
294 lines
14 KiB
5 years ago
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import json
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from PyQt5.QtWidgets import QDialog
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from PyQt5.QtGui import QStandardItemModel, QStandardItem, QFont
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import ManageDB
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import ManageVendors
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from Settings import SettingsModel
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from ui import CostsTab, ReportTypeDialog
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from Constants import *
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from GeneralUtils import *
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class CostsController:
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"""Controls the Costs tab
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:param costs_ui: the UI for the costs_widget
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:param settings: the user's settings"""
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def __init__(self, costs_ui: CostsTab.Ui_costs_tab, settings: SettingsModel):
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self.costs_ui = costs_ui
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self.settings = settings
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# set parameters
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self.report_parameter_combobox = costs_ui.costs_report_parameter_combobox
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self.report_parameter_combobox.addItems(REPORT_TYPE_SWITCHER.keys())
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self.report_parameter = None
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self.vendor_parameter_combobox = costs_ui.costs_vendor_parameter_combobox
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self.vendor_parameter = None
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self.year_parameter_dateedit = costs_ui.costs_year_parameter_dateedit
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self.year_parameter_dateedit.setDate(QDate.currentDate())
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self.year_parameter = None
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self.name_label = costs_ui.costs_name_parameter_label
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self.name_parameter_combobox = costs_ui.costs_name_parameter_combobox
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self.name_parameter = None
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# set up values
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self.cost_in_original_currency_doublespinbox = costs_ui.costs_cost_in_original_currency_doublespinbox
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self.cost_in_original_currency = 0.0
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self.original_currency_combobox = costs_ui.costs_original_currency_value_combobox
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self.load_currency_list()
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self.original_currency = ''
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self.cost_in_local_currency_doublespinbox = costs_ui.costs_cost_in_local_currency_doublespinbox
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self.cost_in_local_currency = 0.0
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self.cost_in_local_currency_with_tax_doublespinbox = \
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costs_ui.costs_cost_in_local_currency_with_tax_doublespinbox
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self.cost_in_local_currency_with_tax = 0.0
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# set up buttons
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self.save_costs_button = costs_ui.costs_save_button
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self.save_costs_button.clicked.connect(self.save_costs)
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self.load_button = costs_ui.costs_load_button
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self.load_button.clicked.connect(self.load_costs)
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self.clear_button = costs_ui.costs_clear_button
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self.clear_button.clicked.connect(self.clear_costs)
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vendors_json_string = read_json_file(ManageVendors.VENDORS_FILE_PATH)
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vendor_dicts = json.loads(vendors_json_string)
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self.vendor_parameter_combobox.clear()
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self.vendor_parameter_combobox.addItems([vendor_dict[NAME_KEY] for vendor_dict in vendor_dicts])
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self.report_parameter_combobox.currentTextChanged.connect(self.on_report_parameter_changed)
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self.vendor_parameter_combobox.currentTextChanged.connect(self.on_vendor_parameter_changed)
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self.year_parameter_dateedit.dateChanged.connect(self.on_year_parameter_changed)
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self.name_parameter_combobox.currentTextChanged.connect(self.on_name_parameter_changed)
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self.names = []
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self.costs_names = []
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self.on_report_parameter_changed()
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self.year_parameter = int(self.year_parameter_dateedit.text())
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self.vendor_parameter = self.vendor_parameter_combobox.currentText()
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self.fill_names()
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self.cost_in_original_currency_doublespinbox.valueChanged.connect(self.on_cost_in_original_currency_changed)
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self.original_currency_combobox.currentTextChanged.connect(self.on_original_currency_changed)
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self.cost_in_local_currency_doublespinbox.valueChanged.connect(self.on_cost_in_local_currency_changed)
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self.cost_in_local_currency_with_tax_doublespinbox.valueChanged.connect(
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self.on_cost_in_local_currency_with_tax_changed)
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self.import_costs_button = costs_ui.costs_import_costs_button
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self.import_costs_button.clicked.connect(self.import_costs)
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def update_settings(self, settings: SettingsModel):
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"""Invoked when the settings are saved
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:param settings: the new settings"""
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self.settings = settings
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self.load_currency_list()
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def database_updated(self, code: int):
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"""Invoked when the database is updated
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:param code: the exit code of the update"""
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self.fill_names()
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def load_vendor_list(self, vendors: Sequence[ManageVendors.Vendor]):
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"""Updates the vendor list combobox
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:param vendors: the new list of vendors"""
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self.vendor_parameter_combobox.clear()
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self.vendor_parameter_combobox.addItems([vendor.name for vendor in vendors])
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def load_currency_list(self):
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"""Updates the original currency combobox"""
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self.original_currency_combobox.clear()
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self.original_currency_combobox.addItem(self.settings.default_currency)
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self.original_currency_combobox.addItems([currency for currency in CURRENCY_LIST if currency !=
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self.settings.default_currency])
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self.original_currency_combobox.setCurrentText('')
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def on_report_parameter_changed(self):
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"""Invoked when the report parameter changes"""
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self.report_parameter = self.report_parameter_combobox.currentText()
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self.name_label.setText(NAME_FIELD_SWITCHER[self.report_parameter].capitalize())
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if self.vendor_parameter:
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self.fill_names()
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def on_vendor_parameter_changed(self):
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"""Invoked when the vendor parameter changes"""
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self.vendor_parameter = self.vendor_parameter_combobox.currentText()
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if self.report_parameter:
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self.fill_names()
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def on_year_parameter_changed(self):
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"""Invoked when the year parameter changes"""
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self.year_parameter = int(self.year_parameter_dateedit.text())
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self.load_costs()
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self.fill_names(True)
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def fill_names(self, only_get_costs_names: bool = False):
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"""Fills the name field combobox"""
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self.name_parameter_combobox.clear()
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connection = ManageDB.create_connection(DATABASE_LOCATION)
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if connection is not None:
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if not only_get_costs_names:
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names_sql_text, names_data = ManageDB.get_names_sql_text(self.report_parameter, self.vendor_parameter)
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names_results = ManageDB.run_select_sql(connection, names_sql_text, names_data)
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if names_results:
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self.names = [result[0] for result in names_results]
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else:
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self.names = []
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if self.settings.show_debug_messages: print(names_results)
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costs_sql_text, costs_data = ManageDB.get_names_with_costs_sql_text(self.report_parameter,
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self.vendor_parameter,
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self.year_parameter,
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self.year_parameter)
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costs_results = ManageDB.run_select_sql(connection, costs_sql_text, costs_data)
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connection.close()
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if costs_results:
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self.costs_names = [result[0] for result in costs_results]
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else:
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self.costs_names = []
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if self.settings.show_debug_messages: print(costs_results)
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model = QStandardItemModel()
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for name in self.names:
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item = QStandardItem(name)
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if name in self.costs_names:
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font = QFont()
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font.setBold(True)
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item.setFont(font)
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model.appendRow(item)
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self.name_parameter_combobox.setModel(model)
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else:
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print('Error, no connection')
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def on_name_parameter_changed(self):
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"""Invoked when the name field parameter changes"""
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self.name_parameter = self.name_parameter_combobox.currentText()
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enable = False
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if self.name_parameter:
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enable = True
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self.load_costs()
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self.cost_in_original_currency_doublespinbox.setEnabled(enable)
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self.original_currency_combobox.setEnabled(enable)
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self.cost_in_local_currency_doublespinbox.setEnabled(enable)
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self.cost_in_local_currency_with_tax_doublespinbox.setEnabled(enable)
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def on_cost_in_original_currency_changed(self):
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"""Invoked when the cost in original currency parameter changes"""
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self.cost_in_original_currency = self.cost_in_original_currency_doublespinbox.value()
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def on_original_currency_changed(self):
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"""Invoked when the original currency parameter changes"""
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self.original_currency = self.original_currency_combobox.currentText()
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def on_cost_in_local_currency_changed(self):
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"""Invoked when the cost in local currency parameter changes"""
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self.cost_in_local_currency = self.cost_in_local_currency_doublespinbox.value()
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def on_cost_in_local_currency_with_tax_changed(self):
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"""Invoked when the cost in local currency with tax parameter changes"""
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self.cost_in_local_currency_with_tax = self.cost_in_local_currency_with_tax_doublespinbox.value()
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def save_costs(self):
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"""Saves the cost data: if it is nonzero, add it to the database; if it is zero, delete it from the database"""
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INSERT = 'insert'
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DELETE = 'delete'
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insert_or_delete = None
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sql_text = None
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data = None
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if self.cost_in_original_currency > 0 and self.original_currency != '' \
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and self.cost_in_local_currency > 0 and self.cost_in_local_currency_with_tax > 0:
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insert_or_delete = INSERT
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elif self.cost_in_original_currency == 0 and self.original_currency == '' \
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and self.cost_in_local_currency == 0 and self.cost_in_local_currency_with_tax == 0:
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insert_or_delete = DELETE
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if insert_or_delete == INSERT:
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sql_text, data = ManageDB.replace_costs_sql_text(self.report_parameter,
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({NAME_FIELD_SWITCHER[self.report_parameter]:
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self.name_parameter,
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'vendor': self.vendor_parameter,
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'year': self.year_parameter,
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'cost_in_original_currency':
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self.cost_in_original_currency,
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'original_currency': self.original_currency,
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'cost_in_local_currency': self.cost_in_local_currency,
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'cost_in_local_currency_with_tax':
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self.cost_in_local_currency_with_tax},))
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elif insert_or_delete == DELETE:
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sql_text, data = ManageDB.delete_costs_sql_text(self.report_parameter, self.vendor_parameter,
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self.year_parameter, self.name_parameter)
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if insert_or_delete in (INSERT, DELETE):
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connection = ManageDB.create_connection(DATABASE_LOCATION)
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if connection is not None:
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ManageDB.run_sql(connection, sql_text, data)
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connection.close()
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ManageDB.backup_costs_data(self.report_parameter)
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if insert_or_delete == INSERT:
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show_message('Data inserted/replaced')
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elif insert_or_delete == DELETE:
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show_message('Data removed')
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else:
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show_message('Invalid entry')
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def load_costs(self):
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"""Fills the costs fields with data from the database"""
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sql_text, data = ManageDB.get_costs_sql_text(self.report_parameter, self.vendor_parameter, self.year_parameter,
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self.name_parameter)
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results = []
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connection = ManageDB.create_connection(DATABASE_LOCATION)
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if connection is not None:
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results = ManageDB.run_select_sql(connection, sql_text, data)
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if not results:
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results.append((0.0, '', 0.0, 0.0))
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connection.close()
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values = {}
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index = 0
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for field in COST_FIELDS:
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values[field[NAME_KEY]] = results[0][index]
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index += 1
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self.cost_in_original_currency_doublespinbox.setValue(values['cost_in_original_currency'])
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self.original_currency_combobox.setCurrentText(values['original_currency'])
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self.cost_in_local_currency_doublespinbox.setValue(values['cost_in_local_currency'])
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self.cost_in_local_currency_with_tax_doublespinbox.setValue(values['cost_in_local_currency_with_tax'])
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self.cost_in_original_currency_doublespinbox.repaint()
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def clear_costs(self):
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"""Empties the costs fields"""
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self.cost_in_original_currency_doublespinbox.setValue(0.0)
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self.original_currency_combobox.setCurrentText('')
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self.cost_in_local_currency_doublespinbox.setValue(0.0)
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self.cost_in_local_currency_with_tax_doublespinbox.setValue(0.0)
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def import_costs(self):
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"""Import a file with costs data in it into the database"""
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report_type_dialog = QDialog()
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report_type_dialog_ui = ReportTypeDialog.Ui_report_type_dialog()
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report_type_dialog_ui.setupUi(report_type_dialog)
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report_type_dialog_ui.report_type_combobox.addItems(REPORT_TYPE_SWITCHER.keys())
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report_type_dialog.show()
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if report_type_dialog.exec_():
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report_type = report_type_dialog_ui.report_type_combobox.currentText()
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if report_type != '':
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file_name = choose_file(TSV_FILTER + CSV_FILTER)
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if file_name != '':
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ManageDB.insert_single_cost_file(report_type, file_name)
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ManageDB.backup_costs_data(report_type)
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show_message('File ' + file_name + ' imported')
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else:
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print('Error, no file location selected')
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else:
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print('Error, no report type selected')
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