diff --git a/src/teilchensammler_cli/main.py b/src/teilchensammler_cli/main.py
index f2f1e8f..8c789cb 100644
--- a/src/teilchensammler_cli/main.py
+++ b/src/teilchensammler_cli/main.py
@@ -2,103 +2,47 @@
 This is where the application is implemented.
 """
 
-from typing import Literal, final, override
+import logging
 
-from textual.app import App, ComposeResult
-from textual.containers import HorizontalGroup
-from textual.screen import Screen
-from textual.widget import Widget
-from textual.widgets import (
-    Button,
-    DataTable,
-    Footer,
-    Header,
-    Input,
-    Static,
-)
+from sqlmodel import Session
+from textual.app import App
+
+from .database import create_db_and_tables, engine
+from .models import Teilchen, make_teilchen_input
+from .tui import AddInventoryScreen
+
+logger = logging.getLogger(__name__)
 
 
-@final
-class SearchBar(Static):
-    DEFAULT_CSS = """
-    #teilchen-input {
-        width: 4fr;
-    }
-    #button-search, #button-add {
-        width: 1fr;
-    }
-    """
-
-    @override
-    def compose(self) -> ComposeResult:
-        with HorizontalGroup(id="search-bar-widget"):
-            yield Input(
-                placeholder="Enter Teilchen information: name, description, #tags",
-                tooltip=(
-                    "This is a free-form field: Enter a name and "
-                    "description any way you like. You should use #hashtags for any "
-                    "meta information."
-                ),
-                id="teilchen-input",
-                type="text",
-            )
-            yield Button("Add", variant="success", classes="search-bar-buttons", id="button-add")
-            yield Button(
-                "Search",
-                variant="default",
-                classes="search-bar-buttons",
-                id="button-search",
-            )
-
-
-TeilchenDatum = tuple[int, str, str, str, str]
-TeilchenHeader = tuple[
-    Literal["pk"],
-    Literal["Name"],
-    Literal["Description"],
-    Literal["Number"],
-    Literal["Tags"],
-]
-
-
-FAKE_DATA: list[TeilchenHeader | TeilchenDatum] = [
-    ("pk", "Name", "Description", "Number", "Tags"),
-    (0, "Name0", "Description0", "9000", "#tag0 #tag00 #tag000"),
-    (1, "Name1", "Description1", "9001", "#tag1 #tag11 #tag111"),
-    (2, "Name2", "Description2", "9002", "#tag2 #tag22 #tag222"),
-    (3, "Name3", "Description3", "9003", "#tag3 #tag33 #tag333"),
-    (4, "Name4", "Description4", "9004", "#tag4 #tag44 #tag444"),
-    (5, "Name5", "Description5", "9005", "#tag5 #tag55 #tag555"),
-]
-
-
-@final
-class SearchResults(Widget):
-    @override
-    def compose(self) -> ComposeResult:
-        yield DataTable(id="table-search-result", cursor_type="row", zebra_stripes=True)
-
-    async def on_mount(self) -> None:
-        table: DataTable[None] = self.query_one(DataTable[None])
-        _ = table.add_columns(*FAKE_DATA[0])  # pyright: ignore[reportArgumentType]
-        _ = table.add_rows(FAKE_DATA[1:])  # pyright: ignore[reportArgumentType]
-
-
-class AddInventoryScreen(Screen[None]):
-    @override
-    def compose(self) -> ComposeResult:
-        yield Header()
-        yield SearchBar()
-        yield SearchResults()
-        yield Footer()
-
-
-@final
 class SammlerApp(App[None]):
     async def on_mount(self) -> None:
+        create_db_and_tables()
         _ = self.push_screen(AddInventoryScreen())
 
 
+FAKE_INPUT = """
+    Ein Teilchen.  #Tag03 #tag12 "Dieses Teilchen ist nur zum testen" #tag1 #tag2
+    """.strip(" \n")
+
+
+def try_this():
+    teilchen_data = make_teilchen_input(FAKE_INPUT)
+    if not teilchen_data:
+        logger.error("oh no!")
+
+    with Session(engine) as session:
+        db_teilchen = Teilchen.model_validate(teilchen_data)
+        session.add(db_teilchen)
+        session.commit()
+        session.refresh(db_teilchen)
+
+        print(f"{db_teilchen=}")
+
+
 def main() -> None:
     app = SammlerApp()
     app.run()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/teilchensammler_cli/models.py b/src/teilchensammler_cli/models.py
index 13e7dc2..35503c5 100644
--- a/src/teilchensammler_cli/models.py
+++ b/src/teilchensammler_cli/models.py
@@ -1,23 +1,57 @@
+import logging
+import re
 import uuid
 
+from natsort import natsorted
 from sqlmodel import (
     Field,
     SQLModel,
 )
 
+logger = logging.getLogger(__name__)
 
-class TeilchenInput(SQLModel):
+
+class TeilchenBase(SQLModel):
     text: str
 
 
-class Teilchen(TeilchenInput, table=True):
+class TeilchenCreate(TeilchenBase):
+    description: str | None
+    name: str = Field(index=True)
+    number: int = Field(default=1)
+    tags: str | None
+
+    text: str  # The original input as entered by the user
+
+
+class Teilchen(TeilchenCreate, table=True):
     id: uuid.UUID = Field(default_factory=uuid.uuid7, primary_key=True)
 
-    name: str = Field(index=True)
-    description: str | None
-    tags: str | None
-    number: int = Field(default=1)
 
+def make_teilchen_input(text: str) -> TeilchenCreate | None:
+    if not text:
+        logger.error("Empty text.")
+        return None
 
+    name_end = text.find(".")
+    name = text[0:name_end]
+    if not name:
+        logger.error("Could not extract name.")
+        return None
 
+    description_start = text.find('"', name_end + 1)
+    description_end = text.find('"', description_start + 1)
+    description = text[description_start:description_end]
+    if not description:
+        logger.warning("Could not extract description.")
 
+    tags = re.findall(r"#\w+", text.lower())
+    if not tags:
+        logger.warning("No tags found in text")
+
+    return TeilchenCreate(
+        name=name,
+        description=description,
+        tags=" ".join(natsorted(tags)),
+        text=text,
+    )
diff --git a/src/teilchensammler_cli/tui.py b/src/teilchensammler_cli/tui.py
new file mode 100644
index 0000000..5f187bd
--- /dev/null
+++ b/src/teilchensammler_cli/tui.py
@@ -0,0 +1,82 @@
+from typing import Literal, final, override
+
+from textual.app import ComposeResult
+from textual.containers import HorizontalGroup
+from textual.screen import Screen
+from textual.widget import Widget
+from textual.widgets import DataTable, Footer, Header, Static, Input, Button
+
+
+@final
+class SearchBar(Static):
+    DEFAULT_CSS = """
+    #teilchen-input {
+        width: 4fr;
+    }
+    #button-search, #button-add {
+        width: 1fr;
+    }
+    """
+
+    @override
+    def compose(self) -> ComposeResult:
+        with HorizontalGroup(id="search-bar-widget"):
+            yield Input(
+                placeholder="Enter Teilchen information: name, description, #tags",
+                tooltip=(
+                    "This is a free-form field: Enter a name and "
+                    "description any way you like. You should use #hashtags for any "
+                    "meta information."
+                ),
+                id="teilchen-input",
+                type="text",
+            )
+            yield Button("Add", variant="success", classes="search-bar-buttons", id="button-add")
+            yield Button(
+                "Search",
+                variant="default",
+                classes="search-bar-buttons",
+                id="button-search",
+            )
+
+
+TeilchenDatum = tuple[int, str, str, str, str]
+TeilchenHeader = tuple[
+    Literal["pk"],
+    Literal["Name"],
+    Literal["Description"],
+    Literal["Number"],
+    Literal["Tags"],
+]
+
+
+FAKE_DATA: list[TeilchenHeader | TeilchenDatum] = [
+    ("pk", "Name", "Description", "Number", "Tags"),
+    (0, "Name0", "Description0", "9000", "#tag0 #tag00 #tag000"),
+    (1, "Name1", "Description1", "9001", "#tag1 #tag11 #tag111"),
+    (2, "Name2", "Description2", "9002", "#tag2 #tag22 #tag222"),
+    (3, "Name3", "Description3", "9003", "#tag3 #tag33 #tag333"),
+    (4, "Name4", "Description4", "9004", "#tag4 #tag44 #tag444"),
+    (5, "Name5", "Description5", "9005", "#tag5 #tag55 #tag555"),
+]
+
+
+@final
+class SearchResults(Widget):
+    @override
+    def compose(self) -> ComposeResult:
+        yield DataTable(id="table-search-result", cursor_type="row", zebra_stripes=True)
+
+    async def on_mount(self) -> None:
+        table: DataTable[None] = self.query_one(DataTable[None])
+        _ = table.add_columns(*FAKE_DATA[0])  # pyright: ignore[reportArgumentType]
+        _ = table.add_rows(FAKE_DATA[1:])  # pyright: ignore[reportArgumentType]
+
+
+class AddInventoryScreen(Screen[None]):
+    @override
+    def compose(self) -> ComposeResult:
+        yield Header()
+        yield SearchBar()
+        yield SearchResults()
+        yield Footer()