New permissions database model

houdini.sql

@@ -1,3 +1,5 @@
+-- noinspection SqlDialectInspectionForFile
+
 DROP TABLE IF EXISTS item;
 CREATE TABLE item (
   "ID" INT NOT NULL,
@@ -528,6 +530,35 @@ COMMENT ON TABLE activation_key IS 'Penguin activation keys';
 COMMENT ON COLUMN activation_key."PenguinID" IS 'Penguin ID';
 COMMENT ON COLUMN activation_key."ActivationKey" IS 'Penguin activation key';
 
+DROP TABLE IF EXISTS permission;
+CREATE TABLE permission (
+  "ID" SERIAL NOT NULL,
+  "Name" VARCHAR(50) NOT NULL,
+  "Enabled" BOOLEAN NOT NULL DEFAULT TRUE,
+  PRIMARY KEY ("ID")
+);
+
+CREATE UNIQUE INDEX "Name" ON permission("Name");
+
+COMMENT ON TABLE permission IS 'Registered server permissions';
+
+COMMENT ON COLUMN permission."ID" IS 'Unique permission ID';
+COMMENT ON COLUMN permission."Name" IS 'Unique permission identifier';
+
+DROP TABLE IF EXISTS penguin_permission;
+CREATE TABLE penguin_permission (
+  "PenguinID" INT NOT NULL,
+  "PermissionID" INT NOT NULL,
+  PRIMARY KEY ("PenguinID"),
+  CONSTRAINT penguin_permission_ibfk_1 FOREIGN KEY ("PenguinID") REFERENCES penguin("ID") ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT penguin_permission_ibfk_2 FOREIGN KEY ("PermissionID") REFERENCES permission("ID") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+COMMENT ON TABLE penguin_permission IS 'Penguin permissions';
+
+COMMENT ON COLUMN penguin_permission."PenguinID" IS 'Penguin ID';
+COMMENT ON COLUMN penguin_permission."PermissionID" IS 'Penguin permission ID';
+
 DROP TABLE IF EXISTS report;
 CREATE TABLE report (
   "ID" SERIAL NOT NULL,

houdini/data/permission.py

@@ -0,0 +1,17 @@
+from houdini.data import db, BaseCrumbsCollection
+from houdini.data.penguin import PenguinPermission
+
+
+class Permission(db.Model):
+    __tablename__ = 'permission'
+
+    ID = db.Column(db.Integer, primary_key=True, server_default=db.text("nextval('\"permission_ID_seq\"'::regclass)"))
+    Name = db.Column(db.String(50), nullable=False, unique=True)
+    Enabled = db.Column(db.Boolean, nullable=False, server_default=db.text("true"))
+
+
+class PermissionCrumbsCollection(BaseCrumbsCollection):
+
+    def __init__(self, inventory_id=None):
+        super().__init__(model=Permission, key='ID', inventory_model=PenguinPermission,
+                         inventory_id=inventory_id)