navigation bar

app/main.py

@@ -0,0 +1,41 @@
+import flet as ft
+from pages.root import Nahrung
+from pages.settings import Settings
+
+def main(page: ft.Page):
+    page.title = "Nahrungstracker"
+    page.scroll = True
+
+    # Initialize views
+    nahrung = Nahrung()
+    settings = Settings()
+
+    # Store reference to the page in instances
+    nahrung.page = page
+    settings.page = page
+
+    # Function to switch views
+    def on_navigation_change(e):
+        page.controls.clear()
+        if e.control.selected_index == 0:
+            page.appbar = nahrung.create_appbar()
+            page.add(nahrung)
+        elif e.control.selected_index == 1:
+            page.appbar = ft.AppBar(title=ft.Text("Settings"))
+            page.add(settings)
+        page.update()
+
+    page.navigation_bar = ft.NavigationBar(
+        destinations=[
+            ft.NavigationDestination(icon=ft.icons.HOME, label="Home"),
+            ft.NavigationDestination(icon=ft.icons.SETTINGS, label="Settings")
+        ],
+        on_change=on_navigation_change,
+    )
+
+    page.appbar = nahrung.create_appbar()
+    page.add(nahrung)
+    page.update()  # Ensure the initial UI is updated
+
+if __name__ == "__main__":
+    ft.app(target=main)

app/pages/file_handler.py

@@ -0,0 +1,14 @@
+import json
+
+def save(jsettings,jhisory):
+    with open("saves/settings.json", "w") as data:
+            data.write(json.dumps(jsettings,indent=4))
+    with open("saves/history.json", "w") as data:
+            data.write(json.dumps(jhisory,indent=4))
+
+def load(self) -> list:
+    with open("saves/settings.json", "r") as data:
+        jsettings = json.load(data)
+    with open("saves/history.json", "r") as data:
+        jhistory = json.load(data)
+        return jsettings,jhistory

app/pages/root.py

@@ -0,0 +1,168 @@
+import flet as ft
+from datetime import datetime
+from random import choice
+from pages import file_handler
+
+def get_time():
+    t = datetime.now()
+    return [t.year, t.month, t.day, t.hour, t.minute, t.second]
+
+def random_emoji():
+    return choice("🍎🍐🍊🍋🍌🍉🍇🍓🍈🍒🍑🍍🥝🥭🥑🍅🍆🥒🥕🥬🌽🥔🍠🌰🥜🍯🥐🍞🥖🥨🥯🧀🥚🍳🥓🧄🧅🥞🧇🍤🍗🍖🍕🌭🍔🍟🥙🌮🌯🥗🥘🍝🍜🦪🍲🍥🍣🍱🍛🍚🧆🍙🍘🍢🍡🍧🍨🍦🍰🎂🍮🍭🍬🍫🍿🍩🍪🥮🧁🥛🧈🍼☕🍵🍶🍺🍻🥂🍷🥃🍸🍹🍾🧉🧃🧊🧂🥄🍴")
+
+
+class Nahrung(ft.UserControl):
+    def __init__(self) -> None:
+        super().__init__()
+        self.settings, self.history = file_handler.load(self)
+
+        self.kjtext = ft.Text("0", size=25)
+        self.kcaltext = ft.Text("0", size=30)
+        self.kcaltextfield = ft.TextField(keyboard_type="NUMBER", expand=True, on_change=self.reseterrorinkcaltextfield, on_submit=self.editkcal)
+
+        # Initialize history list
+        self.historylist = []
+        self.update_history()
+
+        # Initialize controls
+        self.main_container = ft.Container(
+            content=ft.Column(
+                [
+                    ft.Row(
+                        [
+                            ft.Text("kjoule:", size=20),
+                            self.kjtext,
+                            ft.Text(f"/{round(self.settings['kcal_max'] * 4.184, 0)}", size=10)
+                        ]
+                    ),
+                    ft.Row(
+                        [
+                            ft.Text("kcal:", size=25),
+                            self.kcaltext,
+                            ft.Text(f"/{self.settings['kcal_max']}", size=10)
+                        ]
+                    ),
+                    ft.Row(
+                        [
+                            self.kcaltextfield,
+                            ft.FloatingActionButton(icon="add", on_click=self.editkcal)
+                        ]
+                    ),
+                ]
+            ),
+            bgcolor=ft.colors.INDIGO_400,
+            border_radius=10,
+            padding=15,
+        )
+
+        self.history_container = ft.Container(
+            content=ft.Column([ft.Text("Verlauf:"),
+                               ft.Column(controls=self.historylist)
+                               ]),
+        )
+
+        self.controls = [self.main_container, self.history_container]
+
+        self.load_todays_kcal()
+
+    def reseterrorinkcaltextfield(self, e=None):
+        self.kcaltextfield.error_text = ""
+
+    def build(self):
+        self.kjtext.value = str(round(int(self.kcaltext.value) * 4.184, 0))
+        return ft.Column(self.controls)
+
+    def editkcal(self, e):
+        try:
+            emoji = random_emoji()
+            new_kcal = int(self.kcaltext.value) + int(self.kcaltextfield.value)
+            self.kcaltext.value = str(new_kcal)
+            self.kjtext.value = str(round(new_kcal * 4.184, 0))
+            self.history.append([emoji, self.kcaltextfield.value, get_time()])
+            file_handler.save(self.settings, self.history)
+            self.update_history()
+            self.reseterrorinkcaltextfield()
+            self.kcaltextfield.value = ""
+            self.update()
+        except ValueError:
+            self.kcaltextfield.error_text = "\\(*O*)/ nicht verschreiben!!"
+            self.update()
+
+    def create_appbar(self):
+        return ft.AppBar(
+            title=ft.Text("Nahrungstracker"),
+            actions=[
+                ft.PopupMenuButton(
+                    items=[ft.PopupMenuItem(text="Reset", on_click=self.resethistory)]
+                )
+            ],
+        )
+
+    def update_history(self):
+        self.historylist.clear()
+        for h in self.history:
+            self.historylist.insert(0,
+                ft.Container(content=
+                    ft.Column(controls=[
+                        ft.Row(
+                            [ft.Text(str(f"{h[2][3]}:{h[2][4]}:{h[2][5]} {h[2][2]}.{h[2][1]}.{h[2][0]}"))],
+                            alignment=ft.MainAxisAlignment.END
+                        ),
+                        ft.Row(
+                            [ft.Text(str(f"({h[1]} kcal) {h[0]}"), size=20)],
+                            alignment=ft.MainAxisAlignment.START,
+                        )]),
+                    bgcolor=ft.colors.INDIGO_600,  # "#226666",
+                    border_radius=5,
+                    padding=6
+                )
+            )
+
+    def resethistory(self, e):
+        print("pressed")
+        def reset(e):
+            self.kcaltext.value = "0"
+            self.kjtext.value = "0"
+            self.history = []
+            file_handler.save(self.settings, self.history)
+            self.update_history()
+            self.history_container.content = ft.Column(self.historylist)
+            self.dialog.open = False
+            # beide updaten
+            self.page.update()  
+            self.update()  
+
+        def close(e):
+            self.dialog.open = False
+            # beide updaten
+            self.page.update()  
+            self.update()
+
+        self.dialog = ft.AlertDialog(
+            modal=True,
+            title=ft.Text("Wirklich?"),
+            content=ft.Text("Alle Daten werden aus deinem Verlauf gelöscht!!!"),
+            actions=[
+                ft.TextButton("ja", on_click=reset),
+                ft.TextButton("nein", on_click=close),
+            ],
+            actions_alignment=ft.MainAxisAlignment.END,
+            on_dismiss=lambda e: print("Modal dialog dismissed!"),
+        )
+        self.page.dialog = self.dialog
+
+        self.dialog.open = True
+        self.page.update()
+
+    def load_todays_kcal(self):
+        today_date = get_time()[:3]
+        print(today_date)
+
+        todays_kcal = 0
+        for entry in self.history:
+            entry_date = entry[2][:3]  # Year, Month, Day part of the entry's timestamp
+            if entry_date == today_date:
+                todays_kcal += int(entry[1])
+
+        self.kcaltext.value = str(todays_kcal)
+

app/pages/settings.py

@@ -0,0 +1,21 @@
+import flet as ft
+class Settings(ft.UserControl):
+    def __init__(self) -> None:
+        super().__init__()
+
+
+        # Initialize controls
+        self.main_container = ft.Container(
+            content=ft.Column([ft.Text("huhu")]),
+            border_radius=10,
+            padding=15
+        )
+
+    def build(self):
+        return ft.Column(self.controls)
+
+    def create_appbar(self):
+        return ft.AppBar(
+            title=ft.Text("Settings")
+        )
+

app/requirements.txt

@@ -0,0 +1 @@
+flet==0.21.*

app/saves/history.json

@@ -0,0 +1,26 @@
+[
+    [
+        "\ud83c\udf4b",
+        "8",
+        [
+            2024,
+            6,
+            23,
+            13,
+            37,
+            23
+        ]
+    ],
+    [
+        "\ud83c\udf47",
+        "5",
+        [
+            2024,
+            6,
+            23,
+            13,
+            37,
+            40
+        ]
+    ]
+]

app/saves/settings.json

@@ -0,0 +1,3 @@
+{
+    "kcal_max": 2000
+}

app/views.py

@@ -0,0 +1,4 @@
+import flet as ft
+
+def get_views(page):
+    return {}