Test der Datenbank-Verbindung

pyproject.toml

@@ -8,9 +8,8 @@ dependencies = [
     "pyqtdarktheme>=2.1.0",
     "pydantic-settings>=2.9.1",
     "pyside6>=6.9.1",
-    "polars>=1.31.0",
+    "polars[connectorx,pyarrow]>=1.31.0",
     "pydantic-yaml>=1.5.1",
-    "connectorx>=0.4.3",
 ]
 
 [tool.ruff]

src/ui/AppSettings.py

@@ -37,6 +37,7 @@ class AppSettingsDlg(QDialog):
         self.temp_apache_fops = self.settings.apache_fops.copy()
         self.temp_xsl_dirs = self.settings.xsl_dirs.copy()
         self.temp_pdf_projects = self.settings.pdf_projects.copy()
+        self.temp_postgresql_dbs = self.settings.postgresql_dbs.copy()
 
         # Signale verbinden
         self._connect_signals()
@@ -77,6 +78,11 @@ class AppSettingsDlg(QDialog):
         self.ui.addProject.clicked.connect(self._add_pdf_project)
         self.ui.tablePdfProjects.itemSelectionChanged.connect(self._update_pdf_project_buttons)
 
+        # PostgreSQL Tab
+        self.ui.addPostgreSql.clicked.connect(self._add_postgresql_db)
+        self.ui.removePostgreSql.clicked.connect(self._remove_postgresql_db)
+        self.ui.tablePostgreSqlDbs.itemSelectionChanged.connect(self._update_postgresql_db_buttons)
+
     def _setup_tables(self):
         """Richtet die Tabellen-Header ein und macht sie unveränderbar."""
         from PySide6.QtWidgets import QAbstractItemView
@@ -111,6 +117,11 @@ class AppSettingsDlg(QDialog):
         self.ui.tablePdfProjects.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers)
         self.ui.tablePdfProjects.doubleClicked.connect(self._edit_pdf_project)
 
+        # PostgreSQL Tabelle
+        self.ui.tablePostgreSqlDbs.setHorizontalHeaderLabels(["Name", "Host", "Port", "Datenbank", "Benutzer"])
+        self.ui.tablePostgreSqlDbs.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers)
+        self.ui.tablePostgreSqlDbs.doubleClicked.connect(self._edit_postgresql_db)
+
     def _populate_tables(self):
         """Füllt alle Tabellen mit den aktuellen Einstellungen."""
         self._populate_xsl_table()
@@ -119,6 +130,7 @@ class AppSettingsDlg(QDialog):
         self._populate_apache_fop_table()
         self._populate_diff_pdf_table()
         self._populate_pdf_project_table()
+        self._populate_postgresql_db_table()
 
     def _populate_xsl_table(self):
         """Füllt die XSL-Ordner Tabelle."""
@@ -234,6 +246,31 @@ class AppSettingsDlg(QDialog):
             self.ui.tablePdfProjects.setItem(row, 6, diff_pdf_item)
         self.ui.tablePdfProjects.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeMode.ResizeToContents)
 
+    def _populate_postgresql_db_table(self):
+        """Füllt die PostgreSQL-Datenbank Tabelle."""
+        self.ui.tablePostgreSqlDbs.setRowCount(len(self.temp_postgresql_dbs))
+        for row, postgresql_db in enumerate(self.temp_postgresql_dbs):
+            name_item = QTableWidgetItem(postgresql_db.name)
+            name_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+            self.ui.tablePostgreSqlDbs.setItem(row, 0, name_item)
+            
+            host_item = QTableWidgetItem(postgresql_db.host)
+            host_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+            self.ui.tablePostgreSqlDbs.setItem(row, 1, host_item)
+            
+            port_item = QTableWidgetItem(str(postgresql_db.port))
+            port_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+            self.ui.tablePostgreSqlDbs.setItem(row, 2, port_item)
+            
+            database_item = QTableWidgetItem(postgresql_db.database)
+            database_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+            self.ui.tablePostgreSqlDbs.setItem(row, 3, database_item)
+            
+            username_item = QTableWidgetItem(postgresql_db.username)
+            username_item.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
+            self.ui.tablePostgreSqlDbs.setItem(row, 4, username_item)
+        self.ui.tablePostgreSqlDbs.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeMode.ResizeToContents)
+
     # XSL-Ordner Methoden
     def _add_xsl_dir(self):
         """Fügt einen neuen XSL-Ordner hinzu."""
@@ -598,6 +635,75 @@ class AppSettingsDlg(QDialog):
                 
                 self._populate_pdf_project_table()
 
+    # PostgreSQL Methoden
+    def _add_postgresql_db(self):
+        """Fügt eine neue PostgreSQL-Datenbank hinzu."""
+        dialog = PostgreSqlConfigDialog(self)
+        if dialog.exec() == QDialog.DialogCode.Accepted:
+            data = dialog.get_data()
+            if data:
+                new_id = max([x.id for x in self.temp_postgresql_dbs], default=0) + 1
+                new_postgresql_db = PostgreSqlDb(
+                    id=new_id,
+                    name=data["name"],
+                    host=data["host"],
+                    port=data["port"],
+                    database=data["database"],
+                    username=data["username"],
+                    password=data["password"]
+                )
+                self.temp_postgresql_dbs.append(new_postgresql_db)
+                self._populate_postgresql_db_table()
+                
+                self.settings.postgresql_dbs = self.temp_postgresql_dbs.copy()
+                self.settings.save()
+
+    def _remove_postgresql_db(self):
+        """Entfernt die ausgewählte PostgreSQL-Datenbank."""
+        current_row = self.ui.tablePostgreSqlDbs.currentRow()
+        if current_row >= 0:
+            del self.temp_postgresql_dbs[current_row]
+            self._populate_postgresql_db_table()
+            self._update_postgresql_db_buttons()
+                
+            self.settings.postgresql_dbs = self.temp_postgresql_dbs.copy()
+            self.settings.save()
+
+    def _update_postgresql_db_buttons(self):
+        """Aktualisiert den Status der PostgreSQL-Buttons."""
+        has_selection = self.ui.tablePostgreSqlDbs.currentRow() >= 0
+        self.ui.removePostgreSqlDb.setEnabled(has_selection)
+
+    def _edit_postgresql_db(self, index):
+        """Bearbeitet eine PostgreSQL-Datenbank per Doppelklick."""
+        row = index.row()
+        if 0 <= row < len(self.temp_postgresql_dbs):
+            postgresql_db = self.temp_postgresql_dbs[row]
+            dialog = PostgreSqlConfigDialog(self)
+
+            # Vorhandene Daten setzen
+            data = {
+                "name": postgresql_db.name,
+                "host": postgresql_db.host,
+                "port": postgresql_db.port,
+                "database": postgresql_db.database,
+                "username": postgresql_db.username,
+                "password": postgresql_db.password
+            }
+            dialog.set_data(data)
+
+            if dialog.exec() == QDialog.DialogCode.Accepted:
+                new_data = dialog.get_data()
+                if new_data:
+                    # Daten aktualisieren
+                    postgresql_db.name = new_data["name"]
+                    postgresql_db.host = new_data["host"]
+                    postgresql_db.port = new_data["port"]
+                    postgresql_db.database = new_data["database"]
+                    postgresql_db.username = new_data["username"]
+                    postgresql_db.password = new_data["password"]
+                    self._populate_postgresql_db_table()
+
     def accept(self):
         """Übernimmt die Änderungen und schließt den Dialog."""
         # Aktualisiere die ursprünglichen Einstellungen

src/ui/PostgreSqlConfigDialog.py

@@ -2,6 +2,8 @@ from PySide6.QtWidgets import QDialog, QMessageBox
 
 from ui.PostgreSqlConfigDialog_ui import Ui_PostgreSqlConfigDialog
 
+import polars as pl
+
 
 class PostgreSqlConfigDialog(QDialog):
     """Dialog zur Konfiguration einer PostgreSQL-Datenbank ohne ID."""
@@ -23,12 +25,18 @@ class PostgreSqlConfigDialog(QDialog):
         """Testet die Datenbankverbindung."""
         # Hier könnte eine echte Verbindung getestet werden
         # Für jetzt zeigen wir nur eine Info-Nachricht
-        QMessageBox.information(
+        data = self.get_data()
-            self,
+
-            "Verbindungstest",
+        try:
-            "Verbindungstest-Funktionalität noch nicht implementiert.\n"
+            r = pl.read_database_uri(
-            "Die Eingaben werden gespeichert, wenn Sie auf OK klicken."
+                query="SELECT 1",
-        )
+                uri=f"postgresql://{data['username']}:{data['password']}@{data['host']}:{data['port']}/{data['database']}"
+            )
+
+            QMessageBox.information(self, "Verbindungstest", f"Vebindung erfolgreich:\n{str(r)}")
+        except Exception as e:
+            QMessageBox.warning(self, "Verbindungstest", f"Verbindung fehlgeschlagen:\n{e}")
+            raise e
 
     def set_data(self, data):
         """Setzt die Daten in den Dialog."""

uv.lock

@@ -37,8 +37,7 @@ name = "documentor"
 version = "0.1.0"
 source = { virtual = "." }
 dependencies = [
-    { name = "connectorx" },
+    { name = "polars", extra = ["connectorx", "pyarrow"] },
-    { name = "polars" },
     { name = "pydantic-settings" },
     { name = "pydantic-yaml" },
     { name = "pyqtdarktheme" },
@@ -47,8 +46,7 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
-    { name = "connectorx", specifier = ">=0.4.3" },
+    { name = "polars", extras = ["connectorx", "pyarrow"], specifier = ">=1.31.0" },
-    { name = "polars", specifier = ">=1.31.0" },
     { name = "pydantic-settings", specifier = ">=2.9.1" },
     { name = "pydantic-yaml", specifier = ">=1.5.1" },
     { name = "pyqtdarktheme", specifier = ">=2.1.0" },
@@ -72,6 +70,40 @@ wheels = [
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 ]
 
+[package.optional-dependencies]
+connectorx = [
+    { name = "connectorx" },
+]
+pyarrow = [
+    { name = "pyarrow" },
+]
+
+[[package]]
+name = "pyarrow"
+version = "20.0.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/a2/ee/a7810cb9f3d6e9238e61d312076a9859bf3668fd21c69744de9532383912/pyarrow-20.0.0.tar.gz", hash = "sha256:febc4a913592573c8d5805091a6c2b5064c8bd6e002131f01061797d91c783c1", size = 1125187, upload-time = "2025-04-27T12:34:23.264Z" }
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+]
+
 [[package]]
 name = "pydantic"
 version = "2.11.7"
@@ -117,16 +149,16 @@ wheels = [
 
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-version = "2.9.1"
+version = "2.10.0"
 source = { registry = "https://pypi.org/simple" }
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     { name = "python-dotenv" },
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 [[package]]