WIP introduces new DB model for users,groups,tags

src/db/models.py

@@ -1,18 +1,85 @@
-from sqlalchemy import Column, String, JSON, DateTime, Boolean
+from sqlalchemy import Column, String, JSON, DateTime, Boolean, Table, ForeignKey
 from sqlalchemy.sql import func
+from sqlalchemy.orm import relationship
+import uuid
 from .database import Base
 
 
-class Task(Base):
-    __tablename__ = "tasks"
+# class Task(Base):
+#     __tablename__ = "tasks"
+
+#     id = Column(String, primary_key=True, index=True)
+#     url = Column(String, index=True)
+#     author = Column(String, index=True)
+#     result = Column(JSON, default=None)
+#     created_at = Column(DateTime(timezone=True), server_default=func.now())
+#     # updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+#     deleted = Column(Boolean, default=False)
+
+
+#     # items = relationship("Item", back_populates="owner")
+#     # tags = relationship("Tag", back_populates="owner")
+
+def generate_uuid():
+    return str(uuid.uuid4())
+### new data model below
+
+# many to many association tables
+association_table_archive_tags = Table(
+    "mtm_archives_tags",
+    Base.metadata,
+    Column("archive_id", ForeignKey("archives.id")),
+    Column("tag_id", ForeignKey("tags.id")),
+)
+association_table_user_groups = Table(
+    "mtm_users_groups",
+    Base.metadata,
+    Column("user_id", ForeignKey("users.email")),
+    Column("group_id", ForeignKey("groups.id")),
+)
+
+# data model tables
+class Archive(Base):
+    __tablename__ = "archives"
 
     id = Column(String, primary_key=True, index=True)
     url = Column(String, index=True)
-    author = Column(String, index=True)
     result = Column(JSON, default=None)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
-    # updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
     deleted = Column(Boolean, default=False)
+    public = Column(Boolean, default=True) # if public=false, access to group and author
+
+    group_id = Column(String, ForeignKey("groups.id"), default=None)
+    author_id = Column(String, ForeignKey("users.email"))
+
+    group = relationship("Group", back_populates="archives")
+    tags = relationship("Tag", back_populates="archives", secondary=association_table_archive_tags)
+    author = relationship("User", back_populates="archives")
+
+class Tag(Base):
+    __tablename__ = "tags"
+
+    id = Column(String, primary_key=True, index=True, default=generate_uuid)
+    name = Column(String, unique=True, index=True)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+
+    archives = relationship("Archive", back_populates="tags", secondary=association_table_archive_tags)
 
 
-    # items = relationship("Item", back_populates="owner")
+class User(Base):
+    __tablename__ = "users"
+
+    email = Column(String, primary_key=True, index=True)
+    is_active = Column(Boolean, default=True)
+
+    archives = relationship("Archive", back_populates="author")
+    groups = relationship("Group", back_populates="users", secondary=association_table_user_groups)
+
+class Group(Base):
+    __tablename__ = "groups"
+
+    id = Column(String, primary_key=True, index=True)
+
+    archives = relationship("Archive", back_populates="group")
+    users = relationship("User", back_populates="groups", secondary=association_table_user_groups)