Packaged-Food-Explorer/app.py
2023-05-11 16:35:27 +07:00

253 lines
10 KiB
Python

import tkinter as tk
from tkinter import ttk
import requests
import io
from PIL import Image, ImageTk
from Essential.prepare_db import prepare_db
from Essential.FoodSearch import FoodSearch
import threading
class App:
def __init__(self, master):
self.master = master
self.master.title('Food Search')
# Search food from database -----------------
try:
self.food_search = FoodSearch()
except FileNotFoundError:
prepare_db()
self.food_search = FoodSearch()
self.search_var = tk.StringVar()
self.search_var.trace('w', self.search_callback)
self.results_frame = ttk.Frame(self.master)
self.results_frame.grid(row=0, column=0, columnspan=2, rowspan=2, sticky="nsew")
self.results_frame.rowconfigure(0, weight=1)
self.results_frame.columnconfigure(0, weight=1)
self.scrollbar = ttk.Scrollbar(self.results_frame)
self.scrollbar.grid(row=0, column=2,rowspan=2, sticky="ns")
self.results_listbox = tk.Listbox(self.results_frame, yscrollcommand=self.scrollbar.set,height=20,width=20,selectmode=tk.SINGLE)
self.results_listbox.grid(row=0, column=0, columnspan=2, padx=5, pady=5, sticky="nsew")
self.scrollbar.config(command=self.results_listbox.yview)
# Filter frame -----------------
self.filter_frame = ttk.LabelFrame(self.master, text="Filter")
self.filter_frame.grid(row=0, column=3, padx=10, pady=10, sticky="nsew")
# Filter components -----------------
# Search
self.search_entry = ttk.Entry(self.filter_frame, textvariable=self.search_var)
self.search_entry.grid(row=0, column=3, padx=10, pady=10, sticky="nsew")
self.search_button = ttk.Button(self.filter_frame, text="Search", command=self.start_search)
self.search_button.grid(row=0, column=4, padx=10, pady=10, sticky="nsew")
# Filter
self.country_var = tk.StringVar()
self.country_dropdown = ttk.Combobox(self.filter_frame, textvariable=self.country_var, values=["Any" ,"Thai", "Japan", "US"])
self.country_dropdown.grid(row=0, column=0, padx=10, pady=5, sticky="nsew")
self.organic_var = tk.IntVar()
self.organic_checkbox = ttk.Checkbutton(self.filter_frame, text="Organic", variable=self.organic_var)
self.organic_checkbox.grid(row=1, column=0, padx=10, pady=5, sticky="nsew")
self.plant_based_var = tk.IntVar()
self.plant_based_checkbox = ttk.Checkbutton(self.filter_frame, text="Plant-Based", variable=self.plant_based_var)
self.plant_based_checkbox.grid(row=2, column=0, padx=10, pady=5, sticky="nsew")
self.beverages_var = tk.IntVar()
self.beverages_checkbox = ttk.Checkbutton(self.filter_frame, text="Beverages", variable=self.beverages_var)
self.beverages_checkbox.grid(row=3, column=0, padx=10, pady=5, sticky="nsew")
self.snack_var = tk.IntVar()
self.snack_checkbox = ttk.Checkbutton(self.filter_frame, text="Snack", variable=self.snack_var)
self.snack_checkbox.grid(row=4, column=0, padx=10, pady=5, sticky="nsew")
self.calories_var = tk.StringVar()
self.calories_entry = ttk.Entry(self.filter_frame, textvariable=self.calories_var)
self.calories_entry.grid(row=5, column=0, padx=10, pady=5, sticky="nsew")
self.nutrient_var = tk.StringVar()
self.nutrient_dropdown = ttk.Combobox(self.filter_frame, textvariable=self.nutrient_var, values=["Protein", "Carbohydrates", "Fat", ""])
self.nutrient_dropdown.grid(row=6, column=0, padx=10, pady=5, sticky="nsew")
self.nutrient_value_var = tk.StringVar()
self.nutrient_value_entry = ttk.Entry(self.filter_frame, textvariable=self.nutrient_value_var)
self.nutrient_value_entry.grid(row=7, column=0, padx=10, pady=5, sticky="nsew")
# Filter components (continued) -----------------
self.nutrient_operator_var = tk.StringVar()
self.nutrient_operator_dropdown = ttk.Combobox(self.filter_frame, textvariable=self.nutrient_operator_var, values=["<", ">", "="])
self.nutrient_operator_dropdown.grid(row=8, column=0, padx=10, pady=5, sticky="nsew")
# Image of food -----------------
self.image_frame = ttk.Frame(self.master, borderwidth=2, relief=tk.SUNKEN)
self.image_frame.grid(row=2, column=0, padx=10, pady=10, sticky="nsew")
self.image_frame.grid_propagate(0)
# Progress bar -----------------
self.process_frame = tk.Frame(root)
self.process_frame.grid(row=3, column=0, columnspan=1, padx=10, pady=10, sticky="ew")
s = ttk.Style()
s.configure("red.Horizontal.TProgressbar", foreground='red', background='red')
# Stackoverflow.com https://stackoverflow.com/questions/13510882/how-to-change-ttk-progressbar-color-in-python
self.progress_bar = ttk.Progressbar(self.process_frame, style="red.Horizontal.TProgressbar", orient="horizontal",
length=700, mode="indeterminate")
self.progress_bar.grid(row=0, column=0)
# Default image (Not Found) -----------------
self.default_image_path = 'resources/notfound.png' # Replace with the correct path to your default image
self.default_image = ImageTk.PhotoImage(Image.open(self.default_image_path))
self.default_image_label = ttk.Label(self.image_frame, image=self.default_image)
# self.default_image_label.grid(row=0, column=0, padx=10, pady=10, sticky="nsew")
self.default_image_label.pack(anchor='w', fill=tk.BOTH)
# Nutrient Frame
self.nutrient_frame = ttk.LabelFrame(self.master, text="Nutrient")
self.nutrient_frame.grid(row=2, column=1, padx=10, pady=10, sticky="nsew")
# Others Frame (Graph/Analyze)
# * Configure the window size and position
# self.master.attributes('-fullscreen', True)
# width= self.master.winfo_screenwidth()
# height= self.master.winfo_screenheight()
# self.master.geometry("%dx%d" % (width, height))
# LIST BOX selected FUNC
def nutrient_labeler(self, product_name, frame):
count = 0
selected_nutrients = [
'energy-kcal_100g',
'proteins_100g',
'carbohydrates_100g',
'fat_100g',
'fiber_100g',
'sugars_100g',
'saturated-fat_100g',
'unsaturated-fat_100g'
'sodium_100g',
'vitamin-a_100g',
'vitamin-c_100g',
'calcium_100g',
'iron_100g',
'potassium_100g',
'cholesterol_100g',
'trans-fat_100g'
]
for widget in frame.winfo_children():
widget.grid_forget()
for name, value in self.food_search.nutrient_show(product_name).items():
if name in selected_nutrients:
count += 1
if value is None:
value_text = "N/A"
else:
value_text = f"{value:.3f}"
ttk.Label(frame, text=f"{name}: {value_text}").grid(row=count, column=0)
def on_item_selected(self, event):
widget = event.widget
selection = widget.curselection()
if selection:
index = selection[0]
value = widget.get(index)
self.selected_item = value
self.show_image(self.selected_item)
self.nutrient_labeler(self.selected_item, self.nutrient_frame)
# SEARCH FUNC
def search_callback(self, *args):
pass
def start_search(self):
# Create a new thread to execute the search function
search_thread = threading.Thread(target=self.search)
search_thread.start()
def search(self):
results = self.food_search.search(self.search_var.get())
# Call the update_results function on the main thread to update the GUI
self.master.after(0, self.update_results, results)
def update_results(self, results):
self.results_listbox.delete(0, tk.END)
for result in results:
self.results_listbox.insert(tk.END, result[1])
def clear_results(self):
self.results_listbox.delete(0, tk.END)
# Image Showing Section -----------------
def show_image(self, item):
image_url = None
for result in self.food_search.search(self.search_var.get()):
if result[1] == item:
image_url = result[13]
break
if not image_url:
self.display_default_image()
return
threading.Thread(target=self.fetch_and_display_image, args=(image_url,)).start()
def fetch_and_display_image(self, image_url):
self.master.after(0, self.show_progress_bar)
# Fetch the image
response = requests.get(image_url)
img_data = response.content
img = Image.open(io.BytesIO(img_data))
img = img.resize((300, 300), Image.LANCZOS)
img_tk = ImageTk.PhotoImage(img)
self.master.after(0, self.hide_progress_bar)
self.master.after(0, self.update_image_label, img_tk)
def show_progress_bar(self):
self.progress_bar.start()
self.progress_bar.grid(row=3, column=1)
def hide_progress_bar(self):
self.progress_bar.stop()
self.progress_bar.pack_forget()
def display_default_image(self):
self.master.after(0, self.update_image_label, self.default_image)
def update_image_label(self, image):
# Remove old image label widget
for widget in self.image_frame.winfo_children():
widget.destroy()
image_label = tk.Label(self.image_frame, image=image)
image_label.image = image
image_label.grid(row=0, column=2)
# ---------------------
root = tk.Tk()
app = App(root)
app.results_listbox.bind('<<ListboxSelect>>', app.on_item_selected)
root.mainloop()