feat: create initial database setup for project (#49)

backend/.gitignore

@@ -1,3 +1,5 @@
+.env
+
 # Created by https://www.toptal.com/developers/gitignore/api/python
 # Edit at https://www.toptal.com/developers/gitignore?templates=python
 

backend/Makefile

@@ -13,6 +13,11 @@ help:
 	@echo "  ci      Install dependencies, run lints and tests"
 	@echo "  docs    Generate the documentation"
 	@echo "  serve   Run the (development) server"
+	@echo "  migrate Create alembic versions and upgrade"
+	@echO ""
+	@echo "  alembic-check        Run alembic check"
+	@echo "  alembic-autogenerate Autogenerte alembic version"
+	@echo "  alembic-upgrade      Upgrade database to head"
 
 .PHONY: deps
 deps:
@@ -75,3 +80,15 @@ docs:
 .PHONY: serve
 serve:
 	pipenv run uvicorn app.main:app --host 0.0.0.0 --port 8080 --reload
+
+.PHONY: alembic-check
+alembic-check:
+	alembic check
+
+.PHONY: alembic-autogenerate
+alembic-autogenerate:
+	alembic revision --autogenerate
+
+.PHONY: alembic-upgrade
+alembic-upgrade:
+	alembic upgrade head

backend/Pipfile

@@ -5,17 +5,28 @@ name = "pypi"
 
 [packages]
 fastapi = "*"
-pydantic = "*"
-uvicorn = "*"
-python-dotenv = "*"
 httpx = "*"
+install = "*"
+pip = "*"
+pydantic = {extras = ["email"], version = "*"}
+pydantic-settings = "*"
+python-dotenv = "*"
 requests-mock = "*"
+tenacity = "*"
+uvicorn = "*"
+jose = {extras = ["cryptography"], version = "*"}
+passlib = {extras = ["bcrypt"], version = "*"}
+psycopg2-binary = "*"
+python-dateutil = "*"
+sqlalchemy = "*"
 
 [dev-packages]
 black = "*"
 flake8 = "*"
+install = "*"
 isort = "*"
 mypy = "*"
+pip = "*"
 pytest = "*"
 pytest-asyncio = "*"
 pytest-cov = "*"
@@ -24,6 +35,11 @@ pytest-subprocess = "*"
 sphinx = "*"
 sphinx-rtd-theme = "*"
 starlette = "*"
+types-python-jose = "*"
+types-passlib = "*"
+sqlalchemy-stubs = "*"
+faker = "*"
+pytest-faker = "*"
 
 [requires]
 python_version = "3.10"

backend/alembic.ini

@@ -0,0 +1,73 @@
+[alembic]
+# path to migration scripts
+script_location = alembic
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+timezone = Europe/Berlin
+
+# max length of characters to apply to the
+# "slug" field
+#truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to alembic/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat alembic/versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

backend/alembic/env.py

@@ -0,0 +1,94 @@
+from __future__ import with_statement
+
+import os
+
+from alembic import context
+from dotenv import load_dotenv
+from sqlalchemy import engine_from_config, pool
+from logging.config import fileConfig
+
+# Load environment
+env = os.environ
+load_dotenv()
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+# target_metadata = None
+
+from app.db.base import Base  # noqa
+import app.models  # noqa
+
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_url():
+    user = os.getenv("POSTGRES_USER", "postgres")
+    password = os.getenv("POSTGRES_PASSWORD", "")
+    server = os.getenv("POSTGRES_HOST", "db")
+    port = os.getenv("POSTGRES_PORT", 5432)
+    db = os.getenv("POSTGRES_DB", "app")
+    return f"postgresql://{user}:{password}@{server}:{port}/{db}"
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = get_url()
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True, compare_type=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    configuration = config.get_section(config.config_ini_section)
+    configuration["sqlalchemy.url"] = get_url()
+    connectable = engine_from_config(
+        configuration, prefix="sqlalchemy.", poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata, compare_type=True
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/alembic/script.py.mako

@@ -0,0 +1,26 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+import app.models.guid  # noqa
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

backend/alembic/versions/315675882512_.py

@@ -0,0 +1,43 @@
+"""empty message
+
+Revision ID: 315675882512
+Revises:
+Create Date: 2023-09-27 14:55:20.332132+02:00
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+import app.models.guid  # noqa
+
+# revision identifiers, used by Alembic.
+revision = '315675882512'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('adminmessages',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('uuid', app.models.guid.GUID(length=36), nullable=False),
+    sa.Column('title', sa.String(length=255), nullable=False),
+    sa.Column('text', sa.Text(), nullable=True),
+    sa.Column('active_start', sa.DateTime(), nullable=False),
+    sa.Column('active_stop', sa.DateTime(), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_adminmessages_id'), 'adminmessages', ['id'], unique=False)
+    op.create_index(op.f('ix_adminmessages_uuid'), 'adminmessages', ['uuid'], unique=True)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_adminmessages_uuid'), table_name='adminmessages')
+    op.drop_index(op.f('ix_adminmessages_id'), table_name='adminmessages')
+    op.drop_table('adminmessages')
+    # ### end Alembic commands ###

backend/app/api/api_v1/api.py

@@ -0,0 +1,5 @@
+from app.api.api_v1.endpoints import adminmsgs
+from fastapi import APIRouter
+
+api_router = APIRouter()
+api_router.include_router(adminmsgs.router, prefix="/adminmsgs", tags=["adminmsgs"])

backend/app/api/api_v1/endpoints/adminmsgs.py

@@ -0,0 +1,20 @@
+from app import crud, models, schemas
+from app.api import deps
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+router = APIRouter()
+
+
+@router.get("/", response_model=list[schemas.AdminMessage])
+def read_adminmsgs(
+    db: Session = Depends(deps.get_db),
+    skip: int = 0,
+    limit: int = 100,
+) -> list[schemas.AdminMessage]:
+    """Retrieve all admin messages"""
+    users = [
+        schemas.AdminMessage.model_validate(db_obj)
+        for db_obj in crud.adminmessage.get_multi(db, skip=skip, limit=limit)
+    ]
+    return users

backend/app/api/deps.py

@@ -0,0 +1,11 @@
+from typing import Iterator
+
+from app.db.session import SessionLocal
+
+
+def get_db() -> Iterator[SessionLocal]:  # type: ignore[valid-type]
+    try:
+        db = SessionLocal()
+        yield db
+    finally:
+        db.close()

backend/app/api/internal/api.py

@@ -0,0 +1,20 @@
+import subprocess
+
+from app.api.internal.endpoints import proxy, remote
+from app.core.config import settings
+from fastapi import APIRouter, Response
+
+api_router = APIRouter()
+
+api_router.include_router(proxy.router, prefix="/proxy", tags=["proxy"])
+api_router.include_router(remote.router, prefix="/remote", tags=["remote"])
+
+
+@api_router.get("/version")
+async def version():
+    """Return REEV software version"""
+    if settings.REEV_VERSION:
+        version = settings.REEV_VERSION
+    else:
+        version = subprocess.check_output(["git", "describe", "--tags", "--dirty"]).strip()
+    return Response(content=version)