updated models

app/models.py

 from app import db
-from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy import ForeignKeyConstraint
+from uuid import uuid4
 
 
 class Ruleset(db.Model):
-    __tablename__ = 'project'
-    uid = db.Column(db.String, primary_key=True)
-    created_date = db.Column(db.DateTime)
-    modified_date = db.Column(db.DateTime)
+    __tablename__ = 'ruleset'
+    uid = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
     query = db.Column(db.String)
     connection_string = db.Column(db.String)
-    rule_groups = db.Column(JSONB)
+    created_date = db.Column(db.DateTime)
+    modified_date = db.Column(db.DateTime)
 
     def __repr__(self):
         return f'<Ruleset {self.uid}>'
 
     def from_dict(self, dct):
-        for field in ['uid', 'created_date', 'modified_date', 'query', 'connection_string', 'rule_group']:
+        for field in ['uid', 'created_date', 'modified_date', 'query', 'connection_string']:
             if field in dct:
                 setattr(self, field, dct[field])
+        if 'rulegroups' in dct:
+            self.rulegroups = [RuleGroup().from_dict(rg) for rg in dct]
 
-    def to_dict(self, keys=['uid', 'created_date', 'modified_date', 'connection_string', 'query', 'rule_groups']):
-        dct = {'uid': self.n_metadata, 'created_date': self.created_date, 'connection_string': self.connection_string,
-               'modified_date': self.modified_date, 'query': self.query, 'rule_groups': self.rule_groups}
+    def to_dict(self, keys=['uid', 'created_date', 'modified_date', 'connection_string', 'query', 'rulegroups']):
+        dct = {'uid': self.uid, 'created_date': self.created_date, 'connection_string': self.connection_string,
+               'modified_date': self.modified_date, 'query': self.query}
         out = {}
         for key in keys:
+            if key == 'rulegroups':
+                if self.rulegroups:
+                    out[key] = self.return_rulegroups()
+                else:
+                    out[key] = None
+            else:
                 out[key] = dct[key]
         return out
+
+    def remove_rulegroups(self):
+        self.rulegroups = []
+
+    def add_rulegroup(self, rg):
+        self.rulegroups = self.rulegroups + [RuleGroup().from_dict(rg)]
+
+    def return_rulegroups(self):
+        return [rg.to_dict() for rg in self.rulegroups]
+
+    def return_rulegroup_names(self):
+        return [rg.get_name() for rg in self.rulegroups]
+
+
+class RuleGroup(db.Model):
+    __tablename__ = 'rulegroup'
+    uid = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
+    rsid = db.Column(UUID(as_uuid=True), default=uuid4)
+    name = db.Column(db.String)
+    rules = db.Column(JSONB)
+    created_date = db.Column(db.DateTime)
+    modified_date = db.Column(db.DateTime)
+
+    __table_args__ = (ForeignKeyConstraint([rsid], [Ruleset.uid]),)
+
+    def __repr__(self):
+        return f'<RuleGroup {self.uid}>'
+
+    def from_dict(self, dct):
+        for field in ['name', 'rules']:
+            if field in dct:
+                setattr(self, field, dct[field])
+
+    def to_dict(self):
+        dct = {'uid': self.uid, 'rsid': self.rsid, 'name': self.name, 'created_date': self.created_date,
+               'modified_date': self.modified_date, 'rules': self.rules}
+        return dct
+
+    def get_name(self):
+        return self.name
+
+
+Ruleset.rulegroups = db.relationship('RuleGroup', foreign_keys=[RuleGroup.rsid], cascade='all, delete, delete-orphan',
+                                     order_by=[RuleGroup.rsid, RuleGroup.created_date], backref='table')
+
+
+class Validation(db.Model):
+    __tablename__ = 'validation'
+    uid = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
+    rid = db.Column(db.String)
+    rgid = db.Column(UUID(as_uuid=True), default=uuid4)
+    responsible = db.Column(JSONB)
+    created_date = db.Column(db.DateTime)
+    modified_date = db.Column(db.DateTime)
+
+    __table_args__ = (ForeignKeyConstraint([rgid], [RuleGroup.uid]),)
+
+    def __repr__(self):
+        return f'<Validation {self.uid}>'

make_db.py

 from flask import Flask
 import os
-from app import configs, db
-import app.models
+from app import configs
+from app.models import *
 
 app = Flask(__name__)
 config_name = os.getenv('FLASK_ENV') or 'default'
@@ -10,4 +10,5 @@ db.init_app(app)
 app.app_context().push()
 
 db.drop_all()
-# db.create_all()
+db.create_all()
+print('done')
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