Refactoring the code

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

powerdnsadmin/models/domain_template.py

@@ -0,0 +1,65 @@
+from flask import current_app
+from .base import db
+
+
+class DomainTemplate(db.Model):
+    __tablename__ = "domain_template"
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(255), index=True, unique=True)
+    description = db.Column(db.String(255))
+    records = db.relationship('DomainTemplateRecord',
+                              back_populates='template',
+                              cascade="all, delete-orphan")
+
+    def __repr__(self):
+        return '<DomainTemplate {0}>'.format(self.name)
+
+    def __init__(self, name=None, description=None):
+        self.id = None
+        self.name = name
+        self.description = description
+
+    def replace_records(self, records):
+        try:
+            self.records = []
+            for record in records:
+                self.records.append(record)
+            db.session.commit()
+            return {
+                'status': 'ok',
+                'msg': 'Template records have been modified'
+            }
+        except Exception as e:
+            current_app.logger.error(
+                'Cannot create template records Error: {0}'.format(e))
+            db.session.rollback()
+            return {
+                'status': 'error',
+                'msg': 'Can not create template records'
+            }
+
+    def create(self):
+        try:
+            db.session.add(self)
+            db.session.commit()
+            return {'status': 'ok', 'msg': 'Template has been created'}
+        except Exception as e:
+            current_app.logger.error(
+                'Can not update domain template table. Error: {0}'.format(e))
+            db.session.rollback()
+            return {
+                'status': 'error',
+                'msg': 'Can not update domain template table'
+            }
+
+    def delete_template(self):
+        try:
+            self.records = []
+            db.session.delete(self)
+            db.session.commit()
+            return {'status': 'ok', 'msg': 'Template has been deleted'}
+        except Exception as e:
+            current_app.logger.error(
+                'Can not delete domain template. Error: {0}'.format(e))
+            db.session.rollback()
+            return {'status': 'error', 'msg': 'Can not delete domain template'}