Created database class.

Tidied app.py so that it only contains controller logic.
Added error handling for if number of entrants exceeds number of possible identifiers
Updated test coverage to test for all identifiers, as well as error case

web/app.py

@@ -1,52 +1,16 @@
 from flask import Flask, render_template, request
 from flask_bootstrap import Bootstrap
-import sqlite3
-import os
-import string
-
+import db
+import config
+import pprint
 
 app = Flask(__name__)
+app.config.from_object(config.BaseConfig)
 Bootstrap(app)
+my_db = db.Database(app.config['DB_PATH'])
 
-
-def get_db_connection():
-    db_path = os.environ.get('HBC_DB_PATH')
-    if not db_path:
-        raise Exception("DB Path not defined")
-
-    return sqlite3.connect(db_path + '/hbc.db')
-
-
-def db_setup():
-    conn = get_db_connection()
-
-    sql_create_table = """ CREATE TABLE IF NOT EXISTS brewers (
-                            id integer PRIMARY KEY,
-                            name text NOT NULL,
-                            identifier text NOT NULL );"""
-    c = conn.cursor()
-    c.execute(sql_create_table)
-    conn.close()
-
-
-db_setup()
 brew_name = "Fruit Beer"
 brew_month = "October"
-identifiers = list(string.ascii_uppercase) + list(range(1, 100))
-
-
-def get_identifier(name):
-    conn = get_db_connection()
-    c = conn.cursor()
-    for identifier in identifiers:
-        identifier = str(identifier)
-        c.execute('''SELECT identifier FROM brewers WHERE identifier=?''', (identifier,))
-        data = c.fetchone()
-        if data is None:
-            c.execute("INSERT INTO brewers (name,identifier) VALUES(?, ?)", (name, identifier))
-            conn.commit()
-            conn.close()
-            return identifier
 
 
 @app.route('/')
@@ -56,9 +20,19 @@ def hello_world():
 
 @app.route('/generate', methods=["POST"])
 def generate():
-    identifier = get_identifier(request.form['name'])
-    return render_template('generate.html', brew_name=brew_name, brew_month=brew_month, identifier=identifier)
+    try:
+        error = None
+        identifier = my_db.get_identifier(request.form['name'])
+        pass
+    except StopIteration:
+        identifier = ''
+        error = 'Maximum entry limit reached - please contact Sean or Joe'
+        pass
+    return render_template('generate.html', brew_name=brew_name, brew_month=brew_month, identifier=identifier, error=error)
 
 
 if __name__ == '__main__':
     app.run(debug=True, host='0.0.0.0')
+
+
+