From 95996d22f8aa76a8fda859b1ba944a5bd596229a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 14:33:07 +0200
Subject: [PATCH 1/6] feat(models): add basic database structure

---
 .../versions/a60134ef6c4c_add_categories.py   | 48 +++++++++++++++++++
 ...9d6c59812_user_transaction_relationship.py | 41 ++++++++++++++++
 7project/backend/app/core/db.py               |  1 +
 7project/backend/app/models/categories.py     | 22 +++++++++
 7project/backend/app/models/transaction.py    |  8 +++-
 7project/backend/app/models/user.py           |  6 +++
 7project/create_migration.sh                  |  4 ++
 7 files changed, 129 insertions(+), 1 deletion(-)
 create mode 100644 7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
 create mode 100644 7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py
 create mode 100644 7project/backend/app/models/categories.py

diff --git a/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py b/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
new file mode 100644
index 0000000..7c1e599
--- /dev/null
+++ b/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
@@ -0,0 +1,48 @@
+"""add categories
+
+Revision ID: a60134ef6c4c
+Revises: c5e9d6c59812
+Create Date: 2025-10-09 14:29:31.170347
+
+"""
+from typing import Sequence, Union
+
+import fastapi_users_db_sqlalchemy
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a60134ef6c4c'
+down_revision: Union[str, Sequence[str], None] = 'c5e9d6c59812'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('categories',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(length=100), nullable=False),
+    sa.Column('description', sa.String(length=255), nullable=True),
+    sa.Column('user_id', fastapi_users_db_sqlalchemy.generics.GUID(), nullable=False),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_table('category_transaction',
+    sa.Column('id_category', sa.Integer(), nullable=True),
+    sa.Column('id_transaction', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['id_category'], ['categories.id'], ),
+    sa.ForeignKeyConstraint(['id_transaction'], ['transaction.id'], )
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('category_transaction')
+    op.drop_table('categories')
+    # ### end Alembic commands ###
diff --git a/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py b/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py
new file mode 100644
index 0000000..b88a489
--- /dev/null
+++ b/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py
@@ -0,0 +1,41 @@
+"""User transaction relationship
+
+Revision ID: c5e9d6c59812
+Revises: 81f275275556
+Create Date: 2025-10-09 14:17:19.983889
+
+"""
+from typing import Sequence, Union
+
+import fastapi_users_db_sqlalchemy
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'c5e9d6c59812'
+down_revision: Union[str, Sequence[str], None] = '81f275275556'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('transaction', 'user_id',
+               existing_type=sa.UUID(),
+               type_=fastapi_users_db_sqlalchemy.generics.GUID(),
+               existing_nullable=False)
+    op.create_foreign_key(None, 'transaction', 'user', ['user_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'transaction', type_='foreignkey')
+    op.alter_column('transaction', 'user_id',
+               existing_type=fastapi_users_db_sqlalchemy.generics.GUID(),
+               type_=sa.UUID(),
+               existing_nullable=False)
+    # ### end Alembic commands ###
diff --git a/7project/backend/app/core/db.py b/7project/backend/app/core/db.py
index 40ff77f..9c8cad7 100644
--- a/7project/backend/app/core/db.py
+++ b/7project/backend/app/core/db.py
@@ -17,6 +17,7 @@ if not DATABASE_URL:
 # Load all models to register them
 from app.models.user import User
 from app.models.transaction import Transaction
+from app.models.categories import Category
 
 ssl_enabled = os.getenv("MARIADB_HOST", "localhost") != "localhost"
 connect_args = {"ssl": {"ssl": True}} if ssl_enabled else {}
diff --git a/7project/backend/app/models/categories.py b/7project/backend/app/models/categories.py
new file mode 100644
index 0000000..641ca2d
--- /dev/null
+++ b/7project/backend/app/models/categories.py
@@ -0,0 +1,22 @@
+from fastapi_users_db_sqlalchemy import GUID
+from sqlalchemy import Column, Integer, String, ForeignKey, Table
+from sqlalchemy.orm import relationship
+
+from app.core.base import Base
+
+association_table = Table(
+    "category_transaction",
+    Base.metadata,
+    Column("id_category", Integer, ForeignKey("categories.id")),
+    Column("id_transaction", Integer, ForeignKey("transaction.id"))
+)
+
+
+class Category(Base):
+    __tablename__ = "categories"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    name = Column(String(length=100), unique=True, nullable=False)
+    description = Column(String(length=255), nullable=True)
+    user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
+    user = relationship("User", back_populates="categories")
+    relationship(secondary=association_table)
diff --git a/7project/backend/app/models/transaction.py b/7project/backend/app/models/transaction.py
index bc13565..39b640d 100644
--- a/7project/backend/app/models/transaction.py
+++ b/7project/backend/app/models/transaction.py
@@ -1,9 +1,15 @@
-from sqlalchemy import Column, Integer, String, Float
+from fastapi_users_db_sqlalchemy import GUID
+from sqlalchemy import Column, Integer, String, Float, ForeignKey, UUID
+from sqlalchemy.orm import relationship
 from app.core.base import Base
 
+
 class Transaction(Base):
     __tablename__ = "transaction"
     id = Column(Integer, primary_key=True, autoincrement=True)
     amount = Column(Float, nullable=False)
     description = Column(String(length=255), nullable=True)
+    user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
 
+    # Relationship
+    user = relationship("User", back_populates="transactions")
diff --git a/7project/backend/app/models/user.py b/7project/backend/app/models/user.py
index 4c0f206..836dddf 100644
--- a/7project/backend/app/models/user.py
+++ b/7project/backend/app/models/user.py
@@ -1,7 +1,13 @@
 from sqlalchemy import Column, String
+from sqlalchemy.orm import relationship
 from fastapi_users.db import SQLAlchemyBaseUserTableUUID
 from app.core.base import Base
 
+
 class User(SQLAlchemyBaseUserTableUUID, Base):
     first_name = Column(String(length=100), nullable=True)
     last_name = Column(String(length=100), nullable=True)
+
+    # Relationship
+    transactions = relationship("Transaction", back_populates="user")
+    categories = relationship("Category", back_populates="user")
\ No newline at end of file
diff --git a/7project/create_migration.sh b/7project/create_migration.sh
index de43ffc..f8e8c04 100644
--- a/7project/create_migration.sh
+++ b/7project/create_migration.sh
@@ -8,4 +8,8 @@ fi
 cd backend || { echo "Directory 'backend' does not exist"; exit 1; }
 alembic revision --autogenerate -m "$1"
 git add alembic/versions/*
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}Don't forget to check imports in the new migration file!${NC}"
 cd - || exit
\ No newline at end of file

From e32e18f0de92dcbb0a31552112a778d34bdc11f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 14:41:11 +0200
Subject: [PATCH 2/6] feat(models): add basic database structure

---
 7project/charts/myapp-chart/templates/app-deployment.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/7project/charts/myapp-chart/templates/app-deployment.yaml b/7project/charts/myapp-chart/templates/app-deployment.yaml
index 9011d46..1d264ab 100644
--- a/7project/charts/myapp-chart/templates/app-deployment.yaml
+++ b/7project/charts/myapp-chart/templates/app-deployment.yaml
@@ -25,7 +25,7 @@ spec:
             - containerPort: {{ .Values.app.port }}
           env:
             - name: MARIADB_HOST
-              value: {{ printf "%s.%s.svc.cluster.local" .Values.mariadb.mariaDbRef.name .Values.mariadb.mariaDbRef.namespace | quote }}
+              value: "mariadb-repl-maxscale-internal.mariadb-operator.svc.cluster.local"
             - name: MARIADB_PORT
               value: '3306'
             - name: MARIADB_DB

From 8db669ac723914ed9e49bf2ef991413e72f649b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 14:56:51 +0200
Subject: [PATCH 3/6] feat(infrastructure): database changes

---
 7project/backend/alembic.ini                  |  2 +-
 ...10_09_1456-63e072f09836_add_categories.py} | 41 +++++++++++-----
 .../versions/a60134ef6c4c_add_categories.py   | 48 -------------------
 ...9d6c59812_user_transaction_relationship.py | 41 ----------------
 .../maxscale/charts/maxscale-helm/Chart.yaml  |  2 +-
 .../templates/phpmyadmin-deployment.yaml      |  2 +-
 7project/tofu/modules/maxscale/main.tf        |  2 +-
 7 files changed, 34 insertions(+), 104 deletions(-)
 rename 7project/backend/alembic/versions/{81f275275556_init_migration.py => 2025_10_09_1456-63e072f09836_add_categories.py} (60%)
 delete mode 100644 7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
 delete mode 100644 7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py

diff --git a/7project/backend/alembic.ini b/7project/backend/alembic.ini
index c6931a7..6dca9ab 100644
--- a/7project/backend/alembic.ini
+++ b/7project/backend/alembic.ini
@@ -11,7 +11,7 @@ script_location = %(here)s/alembic
 # Uncomment the line below if you want the files to be prepended with date and time
 # see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
 # for all available tokens
-# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
 
 # sys.path path, will be prepended to sys.path if present.
 # defaults to the current working directory.  for multiple paths, the path separator
diff --git a/7project/backend/alembic/versions/81f275275556_init_migration.py b/7project/backend/alembic/versions/2025_10_09_1456-63e072f09836_add_categories.py
similarity index 60%
rename from 7project/backend/alembic/versions/81f275275556_init_migration.py
rename to 7project/backend/alembic/versions/2025_10_09_1456-63e072f09836_add_categories.py
index 097cc09..1ddf813 100644
--- a/7project/backend/alembic/versions/81f275275556_init_migration.py
+++ b/7project/backend/alembic/versions/2025_10_09_1456-63e072f09836_add_categories.py
@@ -1,8 +1,8 @@
-"""Init migration
+"""add categories
 
-Revision ID: 81f275275556
+Revision ID: 63e072f09836
 Revises: 
-Create Date: 2025-09-24 17:39:25.346690
+Create Date: 2025-10-09 14:56:14.653249
 
 """
 from typing import Sequence, Union
@@ -13,7 +13,7 @@ import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.
-revision: str = '81f275275556'
+revision: str = '63e072f09836'
 down_revision: Union[str, Sequence[str], None] = None
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
@@ -22,12 +22,6 @@ depends_on: Union[str, Sequence[str], None] = None
 def upgrade() -> None:
     """Upgrade schema."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('transaction',
-    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
-    sa.Column('amount', sa.Float(), nullable=False),
-    sa.Column('description', sa.String(length=255), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
     op.create_table('user',
     sa.Column('first_name', sa.String(length=100), nullable=True),
     sa.Column('last_name', sa.String(length=100), nullable=True),
@@ -40,13 +34,38 @@ def upgrade() -> None:
     sa.PrimaryKeyConstraint('id')
     )
     op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
+    op.create_table('categories',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(length=100), nullable=False),
+    sa.Column('description', sa.String(length=255), nullable=True),
+    sa.Column('user_id', fastapi_users_db_sqlalchemy.generics.GUID(), nullable=False),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('name')
+    )
+    op.create_table('transaction',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('amount', sa.Float(), nullable=False),
+    sa.Column('description', sa.String(length=255), nullable=True),
+    sa.Column('user_id', fastapi_users_db_sqlalchemy.generics.GUID(), nullable=False),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('category_transaction',
+    sa.Column('id_category', sa.Integer(), nullable=True),
+    sa.Column('id_transaction', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['id_category'], ['categories.id'], ),
+    sa.ForeignKeyConstraint(['id_transaction'], ['transaction.id'], )
+    )
     # ### end Alembic commands ###
 
 
 def downgrade() -> None:
     """Downgrade schema."""
     # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('category_transaction')
+    op.drop_table('transaction')
+    op.drop_table('categories')
     op.drop_index(op.f('ix_user_email'), table_name='user')
     op.drop_table('user')
-    op.drop_table('transaction')
     # ### end Alembic commands ###
diff --git a/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py b/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
deleted file mode 100644
index 7c1e599..0000000
--- a/7project/backend/alembic/versions/a60134ef6c4c_add_categories.py
+++ /dev/null
@@ -1,48 +0,0 @@
-"""add categories
-
-Revision ID: a60134ef6c4c
-Revises: c5e9d6c59812
-Create Date: 2025-10-09 14:29:31.170347
-
-"""
-from typing import Sequence, Union
-
-import fastapi_users_db_sqlalchemy
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision: str = 'a60134ef6c4c'
-down_revision: Union[str, Sequence[str], None] = 'c5e9d6c59812'
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('categories',
-    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
-    sa.Column('name', sa.String(length=100), nullable=False),
-    sa.Column('description', sa.String(length=255), nullable=True),
-    sa.Column('user_id', fastapi_users_db_sqlalchemy.generics.GUID(), nullable=False),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id'),
-    sa.UniqueConstraint('name')
-    )
-    op.create_table('category_transaction',
-    sa.Column('id_category', sa.Integer(), nullable=True),
-    sa.Column('id_transaction', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['id_category'], ['categories.id'], ),
-    sa.ForeignKeyConstraint(['id_transaction'], ['transaction.id'], )
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('category_transaction')
-    op.drop_table('categories')
-    # ### end Alembic commands ###
diff --git a/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py b/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py
deleted file mode 100644
index b88a489..0000000
--- a/7project/backend/alembic/versions/c5e9d6c59812_user_transaction_relationship.py
+++ /dev/null
@@ -1,41 +0,0 @@
-"""User transaction relationship
-
-Revision ID: c5e9d6c59812
-Revises: 81f275275556
-Create Date: 2025-10-09 14:17:19.983889
-
-"""
-from typing import Sequence, Union
-
-import fastapi_users_db_sqlalchemy
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision: str = 'c5e9d6c59812'
-down_revision: Union[str, Sequence[str], None] = '81f275275556'
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.alter_column('transaction', 'user_id',
-               existing_type=sa.UUID(),
-               type_=fastapi_users_db_sqlalchemy.generics.GUID(),
-               existing_nullable=False)
-    op.create_foreign_key(None, 'transaction', 'user', ['user_id'], ['id'])
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_constraint(None, 'transaction', type_='foreignkey')
-    op.alter_column('transaction', 'user_id',
-               existing_type=fastapi_users_db_sqlalchemy.generics.GUID(),
-               type_=sa.UUID(),
-               existing_nullable=False)
-    # ### end Alembic commands ###
diff --git a/7project/tofu/modules/maxscale/charts/maxscale-helm/Chart.yaml b/7project/tofu/modules/maxscale/charts/maxscale-helm/Chart.yaml
index 15afe88..c78c909 100644
--- a/7project/tofu/modules/maxscale/charts/maxscale-helm/Chart.yaml
+++ b/7project/tofu/modules/maxscale/charts/maxscale-helm/Chart.yaml
@@ -1,4 +1,4 @@
 apiVersion: v2
 name: maxscale-helm
-version: 1.0.7
+version: 1.0.8
 description: Helm chart for MaxScale related Kubernetes manifests
diff --git a/7project/tofu/modules/maxscale/charts/maxscale-helm/templates/phpmyadmin-deployment.yaml b/7project/tofu/modules/maxscale/charts/maxscale-helm/templates/phpmyadmin-deployment.yaml
index 4a0156c..1ee7b38 100644
--- a/7project/tofu/modules/maxscale/charts/maxscale-helm/templates/phpmyadmin-deployment.yaml
+++ b/7project/tofu/modules/maxscale/charts/maxscale-helm/templates/phpmyadmin-deployment.yaml
@@ -28,7 +28,7 @@ spec:
         - name: DATABASE_ENABLE_SSL
           value: "yes"
         - name: DATABASE_HOST
-          value: "mariadb-repl"
+          value: "mariadb-repl-maxscale-internal"
         - name: DATABASE_PORT_NUMBER
           value: "3306"
         - name: PHPMYADMIN_ALLOW_NO_PASSWORD
diff --git a/7project/tofu/modules/maxscale/main.tf b/7project/tofu/modules/maxscale/main.tf
index 2b44909..af5a401 100644
--- a/7project/tofu/modules/maxscale/main.tf
+++ b/7project/tofu/modules/maxscale/main.tf
@@ -58,7 +58,7 @@ resource "helm_release" "mariadb-operator" {
 resource "helm_release" "maxscale_helm" {
   name       = "maxscale-helm"
   chart      = "${path.module}/charts/maxscale-helm"
-  version    = "1.0.7"
+  version    = "1.0.8"
   depends_on = [ helm_release.mariadb-operator-crds, kubectl_manifest.secrets ]
   timeout    = 3600
 

From 72c241f4f7f407a839a4bae07ea37b594fed7355 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 15:07:33 +0200
Subject: [PATCH 4/6] feat(infrastructure): database changes

---
 7project/backend/app/models/categories.py  | 2 +-
 7project/backend/app/models/transaction.py | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/7project/backend/app/models/categories.py b/7project/backend/app/models/categories.py
index 641ca2d..af7ef01 100644
--- a/7project/backend/app/models/categories.py
+++ b/7project/backend/app/models/categories.py
@@ -19,4 +19,4 @@ class Category(Base):
     description = Column(String(length=255), nullable=True)
     user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
     user = relationship("User", back_populates="categories")
-    relationship(secondary=association_table)
+    relationship("Transaction", secondary=association_table, back_populates="categories")
diff --git a/7project/backend/app/models/transaction.py b/7project/backend/app/models/transaction.py
index 39b640d..6a7e0bf 100644
--- a/7project/backend/app/models/transaction.py
+++ b/7project/backend/app/models/transaction.py
@@ -1,7 +1,9 @@
+from exceptiongroup import catch
 from fastapi_users_db_sqlalchemy import GUID
-from sqlalchemy import Column, Integer, String, Float, ForeignKey, UUID
+from sqlalchemy import Column, Integer, String, Float, ForeignKey
 from sqlalchemy.orm import relationship
 from app.core.base import Base
+from app.models.categories import association_table
 
 
 class Transaction(Base):
@@ -13,3 +15,4 @@ class Transaction(Base):
 
     # Relationship
     user = relationship("User", back_populates="transactions")
+    categories = relationship("Category", secondary=association_table, back_populates="transactions")

From 6040f4339cebb6deb8eef74af2acdfffe7fb8d38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 15:09:26 +0200
Subject: [PATCH 5/6] feat(models): database changes

---
 7project/backend/app/models/categories.py  | 2 +-
 7project/backend/app/models/transaction.py | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/7project/backend/app/models/categories.py b/7project/backend/app/models/categories.py
index af7ef01..8ae0e5c 100644
--- a/7project/backend/app/models/categories.py
+++ b/7project/backend/app/models/categories.py
@@ -19,4 +19,4 @@ class Category(Base):
     description = Column(String(length=255), nullable=True)
     user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
     user = relationship("User", back_populates="categories")
-    relationship("Transaction", secondary=association_table, back_populates="categories")
+    transactions = relationship("Transaction", secondary=association_table, back_populates="categories")
diff --git a/7project/backend/app/models/transaction.py b/7project/backend/app/models/transaction.py
index 6a7e0bf..f260400 100644
--- a/7project/backend/app/models/transaction.py
+++ b/7project/backend/app/models/transaction.py
@@ -1,4 +1,3 @@
-from exceptiongroup import catch
 from fastapi_users_db_sqlalchemy import GUID
 from sqlalchemy import Column, Integer, String, Float, ForeignKey
 from sqlalchemy.orm import relationship

From abebdb019b35c30ea3ec67dbb132c7ca3ad70456 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Trkan?= <lukas@trkan.cz>
Date: Thu, 9 Oct 2025 15:15:24 +0200
Subject: [PATCH 6/6] feat(models): change unique index

---
 ...4-390041bd839e_update_categories_unique.py | 34 +++++++++++++++++++
 7project/backend/app/models/categories.py     |  7 ++--
 2 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 7project/backend/alembic/versions/2025_10_09_1514-390041bd839e_update_categories_unique.py

diff --git a/7project/backend/alembic/versions/2025_10_09_1514-390041bd839e_update_categories_unique.py b/7project/backend/alembic/versions/2025_10_09_1514-390041bd839e_update_categories_unique.py
new file mode 100644
index 0000000..ffcc861
--- /dev/null
+++ b/7project/backend/alembic/versions/2025_10_09_1514-390041bd839e_update_categories_unique.py
@@ -0,0 +1,34 @@
+"""update categories unique
+
+Revision ID: 390041bd839e
+Revises: 63e072f09836
+Create Date: 2025-10-09 15:14:31.557686
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '390041bd839e'
+down_revision: Union[str, Sequence[str], None] = '63e072f09836'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('name'), table_name='categories')
+    op.create_unique_constraint('uix_name_user_id', 'categories', ['name', 'user_id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint('uix_name_user_id', 'categories', type_='unique')
+    op.create_index(op.f('name'), 'categories', ['name'], unique=True)
+    # ### end Alembic commands ###
diff --git a/7project/backend/app/models/categories.py b/7project/backend/app/models/categories.py
index 8ae0e5c..bd766a3 100644
--- a/7project/backend/app/models/categories.py
+++ b/7project/backend/app/models/categories.py
@@ -1,5 +1,5 @@
 from fastapi_users_db_sqlalchemy import GUID
-from sqlalchemy import Column, Integer, String, ForeignKey, Table
+from sqlalchemy import Column, Integer, String, ForeignKey, Table, UniqueConstraint
 from sqlalchemy.orm import relationship
 
 from app.core.base import Base
@@ -14,8 +14,11 @@ association_table = Table(
 
 class Category(Base):
     __tablename__ = "categories"
+    __table_args__ = (
+        UniqueConstraint("name", "user_id", name="uix_name_user_id"),
+    )
     id = Column(Integer, primary_key=True, autoincrement=True)
-    name = Column(String(length=100), unique=True, nullable=False)
+    name = Column(String(length=100), nullable=False)
     description = Column(String(length=255), nullable=True)
     user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
     user = relationship("User", back_populates="categories")