alexander/urban-meal-delivery
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Make Grid.gridify() use only pickup addresses

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- ensure a `Restaurant` only has one unique `Order.pickup_address`
- rework `Grid.gridify()` so that only pickup addresses are assigned
  into `Pixel`s
- include database migrations to ensure the data adhere to these
  tighter constraints
This commit is contained in:
Alexander Hess 2021-01-24 18:57:44 +01:00
commit 1bfc7db916
Signed by: alexander
GPG key ID: 344EA5AB10D868E0
11 changed files with 519 additions and 61 deletions
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src/urban_meal_delivery/db/pixels.py
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@ -12,7 +12,7 @@ class Pixel(meta.Base):
Square pixels aggregate `Address` objects within a `City`.
Every `Address` belongs to exactly one `Pixel` in a `Grid`.
Every `Pixel` has a unique "coordinate" within the `Grid`.
Every `Pixel` has a unique `n_x`-`n_y` coordinate within the `Grid`.
"""
__tablename__ = 'pixels'