working prototype recipe

app/activities/RecipeEditor.py

@@ -6,6 +6,7 @@
 # THIS SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY
 import itertools
 from itertools import chain
+from decimal import Decimal, InvalidOperation
 from typing import List, Tuple, Union, Iterable, Callable
 from urwid import (
     connect_signal,
@@ -92,7 +93,7 @@ class RecipeEditor(FocusWidget):
             in_same_row(name),
             map(to_numbered_field, self.data.items())
         ))
-        
+
         for k,v in data.items():
             if f'{k[0]}#{k[1]}' == name or v:
                 continue
@@ -145,6 +146,40 @@ class RecipeEditor(FocusWidget):
         return self.update()
 
     def update(self):
+        data = self.data
+        organic = None if data['organic'] == 'mixed' else data['organic']
+        sort = 'ts'
+        not_found = '='
+        price = list(map(Decimal,[0,0,0]))
+        for r in self.ingredients:
+            product, quantity, unit = map(lambda x: x.get_edit_text(), r)
+
+            try:
+                quantity = Decimal(quantity)
+            except InvalidOperation:
+                quantity = None
+
+            if None in (sort, product, unit):
+                not_found = '>'
+                continue
+
+            df = self.query_manager.get_historic_prices_data(unit, sort=sort, product=product, organic=organic)
+            if df.empty:
+                not_found = '~' if not_found == '=' else not_found
+                df = self.query_manager.get_historic_prices_data(unit, sort=sort, product=product, organic=None)
+                if df.empty:
+                    not_found = '>'
+                    continue
+
+            assert len(df['avg'].unique()) == 1, f"There should be only one average price: {df['avg'].unique()}"
+
+            _avg, _min, _max = list(
+                map(Decimal,df[['avg','min','max']].iloc[0])
+            )
+            price[0] += _min*quantity
+            price[1] += _avg*quantity
+            price[2] += _max*quantity
+        self.price.set_text(f'Cost: {not_found}{price[1]:.2f}')
         return self
 
     def __init__(self,
@@ -172,10 +207,14 @@ class RecipeEditor(FocusWidget):
         ]
         self.organic = NoTabCheckBox(('bg', "Organic"), state='mixed')
         self.instructions = Edit('', edit_text=recipe['instructions'] or u'', multiline=True, allow_tab=True)
+        self.feeds = Text(f"Feeds: {recipe['feeds'] or ''}")
+        self.price = Text(f"Cost: 0")
 
         bottom_pane = [
             self.organic,
             LineBox(self.instructions, title=f'Instructions'),
+            self.feeds,
+            self.price,
         ]
 
         self.query_manager = query_manager
@@ -221,12 +260,12 @@ class RecipeEditor(FocusWidget):
                     ingredient[0],
                     self.apply_choice,
                     lambda: activity_manager.show(self.update())
-                ), 'streak'), title=f'Ingredient {idx}', title_align='left'
+                ), 'streak'), title=f'Product', title_align='left'
             ) for idx, ingredient in enumerate(self.ingredients)
         ]
         middle_pane = [
             LineBox(
-                ingredient[1], title=f'Quantity {idx}', title_align='left'
+                ingredient[1], title=f'Quantity', title_align='left'
             ) for idx, ingredient in enumerate(self.ingredients)
         ]
         right_pane = [
@@ -235,7 +274,7 @@ class RecipeEditor(FocusWidget):
                     ingredient[2],
                     self.apply_choice,
                     lambda: activity_manager.show(self.update())
-                ), 'streak'), title=f'Unit {idx}', title_align='left'
+                ), 'streak'), title=f'Unit', title_align='left'
             ) for idx, ingredient in enumerate(self.ingredients)
         ]
         gutter = [
@@ -263,8 +302,8 @@ class RecipeEditor(FocusWidget):
                 ]))
             ], dividechars=1),
             'bottom_pane': Pile(bottom_pane),
-            'right_pane': (16, Pile(right_pane)),
-            'middle_pane': (16, Pile(middle_pane)),
+            'right_pane': (9, Pile(right_pane)),
+            'middle_pane': (12, Pile(middle_pane)),
             'left_pane': Pile(left_pane),
             'gutter': (8, Pile(gutter))
         }
@@ -277,10 +316,9 @@ class RecipeEditor(FocusWidget):
                 components['left_pane'],
                 components['middle_pane'],
                 components['right_pane'],
-                (1,Divider()),
-                components['gutter']),
-                dividechars=0,
-            ),
+                #(1,Divider()),
+                #components['gutter'],
+            ), dividechars=0),
             components['bottom_pane'],
         ])
         widget = Filler(widget, 'top')
@@ -298,8 +336,9 @@ class RecipeEditor(FocusWidget):
             ) if x == n),
             [
                 'instructions',
-                'ingredients', 'units', 'add',
+                'ingredients', 'quantity', 'units', 'add',
                 'organic',
                 'clear', 'exit',
             ]
         ))
+        self.update()

recipe.yaml

@@ -1,12 +1,15 @@
 ---
 ingredients:
-  - Adzuki Beans 200g
-  - Apple Cider Vinegar 30mL
-  - Potatoes 1kg
+  - White Sugar 200g #1 cup
+  - Ginger  115g #1 cup
+    # 3/4 cup water
 
 instructions: |
-  Take the **Adzuki Beans** and soak in **Apple Cider Vinegar**.
+  Combine **White Sugar** and water on stove. Stir.
+  Add **Ginger** . 
+  Simmer 15 minutes. 
+  Let sit 1 hour. 
+  Strain.
+  Yeilds about 1 cup ginger syrup.
 
-  Add the **Potatoes** and wait 15 minutes.
-
-feeds: 2
+feeds: 16