a lot of changes, including moving most view data into the board object.

models.py

@@ -1,11 +1,15 @@
+from collections import namedtuple
+
 from sqlalchemy import create_engine, Column, String, Integer
-from sqlalchemy.orm import sessionmaker
+from sqlalchemy.orm import sessionmaker, scoped_session
 from sqlalchemy.ext.declarative import declarative_base
 
+from config import config, colors
+
 Base = declarative_base()
 
 engine = create_engine('sqlite:///boards.db')
-session = sessionmaker(bind=engine)()
+session = scoped_session(sessionmaker(bind=engine))
 
 
 
@@ -14,8 +18,72 @@ class Board(Base):
     __tablename__ = 'boards'
 
     id = Column(Integer, primary_key=True)
-    layout = Column(String(528), nullable=False)
-    name = Column(String(50), nullable=False)
+    name = Column(String(50), unique=True, nullable=False)
+    layout = Column(String(config['num_squares'] * 2), nullable=False)
+    palette = Column(String(400), nullable=False)
 
     def __repr__(self):
         return f'<Layout> name: {self.name} {self.layout}'
+
+    def update(self, layout):
+        self.layout = layout
+        session.commit()
+
+    @property
+    def color_list(self):
+        return get_colors_from_palette(self.palette)
+
+    @property
+    def color_num_dict(self):
+        return get_color_num_dict(self.color_list)
+
+
+def get_boards(**kwargs):
+    return session.query(Board).filter_by(**kwargs).all()
+
+
+def get_board(**kwargs):
+    one = get_boards(**kwargs)
+    if len(one) > 0:
+        return one[0]
+
+
+def create_board(name, layout, colors):
+    new_board = Board(name=name,
+                      layout=layout,
+                      palette=prep_colors_for_table(colors))
+
+    session.add(new_board)
+    session.commit()
+    return new_board
+
+
+def get_colors_from_palette(a_palette: str):
+    parsed_colors = []
+    palette_list = a_palette.split('#')[1:]
+    for color in palette_list:
+        if color[0].islower():
+            parsed_colors.append(color)
+        else:
+            parsed_colors.append('#' + color)
+    return parsed_colors
+
+
+def get_color_num_dict(color_list):
+    return {color: str(idx + 1).zfill(2) 
+            for idx, color in enumerate(color_list)}
+
+
+def prep_colors_for_table(some_colors):
+    palette = ''
+    for color in some_colors:
+        if not color.startswith('#'):
+            color = '#' + color
+        palette += color
+    return palette
+
+
+base_board = get_board(name='') or create_board('', '00' * num_squares, colors)
+
+# each number is represented by a two-digit integer string
+color_num_dict = get_color_num_dict(colors)