Refactoring the code

- Use Flask blueprint
- Split model and views into smaller parts
- Bug fixes
- API adjustment

powerdnsadmin/models/domain_setting.py

@@ -0,0 +1,33 @@
+from .base import db
+
+
+class DomainSetting(db.Model):
+    __tablename__ = 'domain_setting'
+    id = db.Column(db.Integer, primary_key=True)
+    domain_id = db.Column(db.Integer, db.ForeignKey('domain.id'))
+    domain = db.relationship('Domain', back_populates='settings')
+    setting = db.Column(db.String(255), nullable=False)
+    value = db.Column(db.String(255))
+
+    def __init__(self, id=None, setting=None, value=None):
+        self.id = id
+        self.setting = setting
+        self.value = value
+
+    def __repr__(self):
+        return '<DomainSetting {0} for {1}>'.format(setting, self.domain.name)
+
+    def __eq__(self, other):
+        return type(self) == type(other) and self.setting == other.setting
+
+    def set(self, value):
+        try:
+            self.value = value
+            db.session.commit()
+            return True
+        except Exception as e:
+            logging.error(
+                'Unable to set DomainSetting value. DETAIL: {0}'.format(e))
+            logging.debug(traceback.format_exc())
+            db.session.rollback()
+            return False