Initial

model.py

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+from _ctypes import ArgumentError
+from dataclasses import dataclass
+
+INVALID_STR = 'Form entry "{}" is invalid'
+
+
+@dataclass
+class Player:
+    id: int
+    real_name: str
+    name: str
+    alias: str
+    hex_id: str
+    anon: bool = False
+
+    def __init__(self, real_name, alias, hex_id, anon=False, id=None):
+        self.real_name = str(real_name)
+        self.name = str(real_name) if not anon else alias
+        self.hex_id = str(hex_id)
+        self.alias = str(alias)
+        self.anon = bool(anon)
+        self.id = id
+
+
+@dataclass
+class Drink:
+    id: int
+    name: str
+    vol: float
+
+    @classmethod
+    def from_form(cls, form):
+        id = form.get('id', None)
+        id = int(id) if id else None
+
+        name = form.get('name', None)
+        if not name:
+            raise ArgumentError('Form data contains no field "name"')
+        name = str(name)
+
+        vol = form.get('vol', None)
+        if not vol:
+            raise ArgumentError('Form data contains no field "vol"')
+        vol = float(vol)
+
+        self = cls(id=id, name=name, vol=vol)
+        return self
+
+
+@dataclass
+class Enemy:
+    id: int
+    name: str
+    boss: bool
+
+    @classmethod
+    def from_form(cls, form):
+        id = form.get('id', None)
+        id = int(id) if id else None
+
+        name = form.get('name', None)
+        if not name:
+            raise ArgumentError(INVALID_STR.format('name'))
+        name = str(name)
+
+        boss = form.get('boss', '')
+        if boss not in [True, False, 'True', 'False']:
+            raise ArgumentError(INVALID_STR.format('boss'))
+
+        self = cls(id=id, name=name, boss=boss)
+        return self
+