Added initial builder page

src/MealBuilder.py

@@ -0,0 +1,113 @@
+from FileHandler import read_json, update_json
+
+import flet as ft
+
+meal_json = read_json()
+global new_ingredient, new_quantity, new_units
+new_ingredient = ""
+new_quantity = ""
+new_units = ""
+
+def is_number(s):
+    try:
+        float(s)
+        return True
+    except ValueError:
+        return False
+
+def create_ingredient_row(ingredient, details):
+    row = []
+    row.append(ft.TextField(label="Ingredient", value=ingredient))
+    row.append(ft.TextField(label="Quantity", value=details['quantity']))
+    row.append(ft.TextField(label="Units (optional)", value=details['units']))
+    return row
+
+def builder(page):
+    
+    def update_ingredient(e):
+        global new_ingredient
+        new_ingredient = e.control.value
+    
+    def update_quantity(e):
+        global new_quantity
+        new_quantity = e.control.value
+
+    def update_units(e):
+        global new_units
+        new_units = e.control.value
+    
+    def add_ingredient(e):
+        global new_ingredient, new_quantity, new_units
+
+        if not new_ingredient or not new_quantity or not is_number(new_quantity):
+            return
+
+        ingredient = {
+            new_ingredient: 
+                {
+                    "quantity":float(new_quantity), 
+                    "units": new_units if new_units != "" else None
+                }
+            }
+        meal_json[name] = ingredient
+        update_json(meal_json)
+        page.update()
+
+
+
+    page.title = "Create and Edit Meals!"
+
+    meal_list = []
+    
+    for name, ingredients in meal_json.items():
+        ingredients_list = []
+        for ingredient, details in ingredients.items():
+            ingredients_list.append(
+                ft.Row(create_ingredient_row(ingredient, details), 
+                        alignment=ft.MainAxisAlignment.SPACE_EVENLY,
+                        width=300,
+                        height=100,
+                    )
+                )
+        ingredients_list.append(
+            ft.Row(
+                controls=[
+                    ft.TextField(label="Ingredient", on_change=update_ingredient),
+                    ft.TextField(label="Quantity", on_change=update_quantity),
+                    ft.TextField(label="Units (optional)", on_change=update_units),
+                    ft.ElevatedButton(text="Update Ingredient", on_click=add_ingredient),
+                ], 
+                alignment=ft.MainAxisAlignment.SPACE_EVENLY,
+                width=300,
+                height=100,
+            ),
+        )
+        meal_list.append(
+            ft.Column(
+                controls=[
+                    ft.TextField(label="Meal", value=name),
+                    ft.ListView(
+                        controls=ingredients_list,
+                        expand=True,
+                        spacing=10,
+                        padding=10,
+                        auto_scroll=False,
+                    ),
+                ],
+            )
+        )
+    
+    page.add(
+        ft.ListView(
+            controls=meal_list,
+            expand=True,
+            spacing=10,
+            padding=10,
+        )
+    )
+    
+    # TODO add functionality to create new meals
+    # TODO add functionality to add ingredients to a meal (Mostly done)
+    # TODO (Possible) add functionality to delete meals and ingredients
+
+ft.app(builder)