---
config:
    layout: elk
---


erDiagram
    Brewery ||--o| BreweryLocation : "has location"
    Brewery ||--o{ BreweryPhoto : "has photos"
    Brewery ||--o{ Beer : "brews"

    %% Cross-schema: defined in full in auth.mmd / geolocation.mmd / media.mmd / beer.mmd
    User ||--o{ Brewery : "posts"
    BreweryLocation }o--|| City : "located in"
    BreweryPhoto }o--|| Photo : "uses photo"

    Brewery {
        uniqueidentifier BreweryPostID PK
        nvarchar BreweryName
        uniqueidentifier PostedByID FK
        nvarchar Description
        datetime CreatedAt
        datetime UpdatedAt "nullable"
    }

    BreweryLocation {
        uniqueidentifier BreweryPostLocationID PK
        uniqueidentifier BreweryPostID "FK, UK"
        nvarchar AddressLine1
        nvarchar AddressLine2 "nullable"
        nvarchar PostalCode
        uniqueidentifier CityID FK
        geography Coordinates "nullable"
    }

    BreweryPhoto {
        uniqueidentifier BreweryPostPhotoID PK
        uniqueidentifier BreweryPostID FK
        uniqueidentifier PhotoID FK
        datetime LinkedAt
    }