init

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

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+# Nahrung Analysierung
+
+An example of a minimal Flet app.
+
+To run the app:
+
+```
+flet run [app_directory]
+```

file_handler.py

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+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

main.py

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+import flet as ft
+import file_handler
+from datetime import datetime
+from random import choice
+
+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,autofocus=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):
+        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()
+            print(emoji,ord(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)  # Save the updated kcal value
+            self.update_history()
+            self.reseterrorinkcaltextfield()
+            self.kcaltextfield.value = ""
+            self.update()  # Update the controls to reflect changes
+        except ValueError:
+            print("error")
+            self.kcaltextfield.error_text = "\\(*O*)/ nicht verschreiben!!"
+            self.update()
+            #pass  # Handle invalid input gracefully
+
+    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)
+
+
+def main(page: ft.Page):
+    page.title = "Nahrungstracker"
+    page.scroll = True
+
+    nahrung = Nahrung()
+    nahrung.page = page  # Store reference to the page in Nahrung instance
+    page.appbar = nahrung.create_appbar()
+    page.add(nahrung)
+    page.update()  # Ensure the initial UI is updated
+
+if __name__ == "__main__":
+    ft.app(target=main)

requirements.txt

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+flet==0.22.*

saves/history.json

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+[]

saves/settings.json

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+{
+    "kcal_max": 2000
+}