Develop

.gitignore

@@ -0,0 +1,43 @@
+# === Entornos virtuales ===
+.venv/
+venv/
+
+# === Archivos de compilación ===
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.py[cod]
+
+# === VS Code y PyCharm ===
+.vscode/
+.idea/
+
+# === Logs y cachés ===
+*.log
+*.pot
+*.pyc
+*.pyo
+*.pyd
+*.sqlite3
+*.db
+*.pid
+*.gz
+*.egg-info/
+.mypy_cache/
+.pytest_cache/
+.coverage
+.env
+htmlcov/
+
+# === Sistema operativo ===
+.DS_Store
+Thumbs.db
+
+# === Node (frontend) ===
+node_modules/
+.env
+.env.local
+.next/
+dist/
+build/

README.md

@@ -1,31 +1,33 @@
-# 🛒 TPI - Grupo 13  
-**Desarrollo de Software 2025 - UTN FRRe**  
+# 🛒 TPI - Grupo 13
+
+**Desarrollo de Software 2025 - UTN FRRe**
 
 En construccion...
 
- 📌 Descripción  
+📌 Descripción  
 Este proyecto corresponde al Trabajo Práctico Integrador (TPI) de la cátedra **Desarrollo de Software**.  
-El objetivo es desarrollar un sistema de compras online compuesto por diferentes subsistemas (Compras, Stock, Logística), implementando APIs REST y comunicación entre servicios.  
+El objetivo es desarrollar un sistema de compras online compuesto por diferentes subsistemas (Compras, Stock, Logística), implementando APIs REST y comunicación entre servicios.
 
-Nuestro grupo se encuentra a cargo del subsistema **Compras**.  
+Nuestro grupo se encuentra a cargo del subsistema **Compras**.
 
 ---
 
-⚙️ Tecnologías principales  
+⚙️ Tecnologías principales
 
- Backend  
-- [Python 3.11+](https://www.python.org/)  
-- [FastAPI](https://fastapi.tiangolo.com/) → framework para construir APIs rápidas y seguras.  
-- [Uvicorn](https://www.uvicorn.org/) → servidor ASGI para correr la app FastAPI.  
-- [JWT](https://jwt.io/) → autenticación de usuarios.  
-- Base de datos (a definir: PostgreSQL/MySQL/SQLite).  
+Backend
 
-### Frontend  
-- [React](https://react.dev/)  
-- [Next.js](https://nextjs.org/) → framework para React con SSR/SSG.  
-- [TailwindCSS](https://tailwindcss.com/) → estilos rápidos y modernos.  
+- [Python 3.11+](https://www.python.org/)
+- [FastAPI](https://fastapi.tiangolo.com/) → framework para construir APIs rápidas y seguras.
+- [Uvicorn](https://www.uvicorn.org/) → servidor ASGI para correr la app FastAPI.
+- [JWT](https://jwt.io/) → autenticación de usuarios.
+- Base de datos [SQLite] - [SqlAlquemi] para migraciones [alembic] - [pydantic]
 
----
+### Frontend
 
-📂 Estructura del repositorio  
+- [React](https://react.dev/)
+- [Next.js](https://nextjs.org/) → framework para React con SSR/SSG.
+- [TailwindCSS](https://tailwindcss.com/) → estilos rápidos y modernos.
+
+---
 
+📂 Estructura del repositorio

compras/backend/.gitignore

@@ -0,0 +1,9 @@
+__pycache__/
+*.pyc
+*.pyo
+*.log
+venv/
+.env
+*.db
+.idea/
+.vscode/

compras/backend/Dockerfile

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+# Imagen base oficial de Python
+FROM python:3.12-slim
+
+# Directorio de trabajo dentro del contenedor
+WORKDIR /app
+
+# Evita que Python guarde archivos .pyc
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Instala dependencias del sistema necesarias
+RUN apt-get update && apt-get install -y build-essential
+
+# Copiamos el archivo de requerimientos
+COPY requirements.txt .
+
+# Instalamos las dependencias de Python
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copiamos el resto del proyecto
+COPY . .
+
+# Exponemos el puerto donde corre FastAPI
+EXPOSE 8000
+
+# Comando para ejecutar la app
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

compras/backend/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts.
+# this is typically a path given in POSIX (e.g. forward slashes)
+# format, relative to the token %(here)s which refers to the location of this
+# ini file
+script_location = %(here)s/alembic
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# 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
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.  for multiple paths, the path separator
+# is defined by "path_separator" below.
+prepend_sys_path = .
+
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the tzdata library which can be installed by adding
+# `alembic[tz]` to the pip requirements.
+# string value is passed to ZoneInfo()
+# leave blank for localtime
+# timezone =
+
+# 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 <script_location>/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "path_separator"
+# below.
+# version_locations = %(here)s/bar:%(here)s/bat:%(here)s/alembic/versions
+
+# path_separator; This indicates what character is used to split lists of file
+# paths, including version_locations and prepend_sys_path within configparser
+# files such as alembic.ini.
+# The default rendered in new alembic.ini files is "os", which uses os.pathsep
+# to provide os-dependent path splitting.
+#
+# Note that in order to support legacy alembic.ini files, this default does NOT
+# take place if path_separator is not present in alembic.ini.  If this
+# option is omitted entirely, fallback logic is as follows:
+#
+# 1. Parsing of the version_locations option falls back to using the legacy
+#    "version_path_separator" key, which if absent then falls back to the legacy
+#    behavior of splitting on spaces and/or commas.
+# 2. Parsing of the prepend_sys_path option falls back to the legacy
+#    behavior of splitting on spaces, commas, or colons.
+#
+# Valid values for path_separator are:
+#
+# path_separator = :
+# path_separator = ;
+# path_separator = space
+# path_separator = newline
+#
+# Use os.pathsep. Default configuration used for new projects.
+path_separator = os
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# database URL.  This is consumed by the user-maintained env.py script only.
+# other means of configuring database URLs may be customized within the env.py
+# file.
+sqlalchemy.url = driver://user:pass@localhost/dbname
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the module runner, against the "ruff" module
+# hooks = ruff
+# ruff.type = module
+# ruff.module = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Alternatively, use the exec runner to execute a binary found on your PATH
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = ruff
+# ruff.options = check --fix REVISION_SCRIPT_FILENAME
+
+# Logging configuration.  This is also consumed by the user-maintained
+# env.py script only.
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARNING
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARNING
+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

compras/backend/alembic/README

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+Generic single-database configuration.

compras/backend/alembic/env.py

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+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from sqlalchemy import create_engine
+
+from alembic import context
+import os
+import sys
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Asegurar que el paquete `app` sea importable cuando Alembic ejecute env.py
+here = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+if here not in sys.path:
+    sys.path.insert(0, here)
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+try:
+    # Intentamos importar Base desde la configuración de la aplicación.
+    from app.db import Base, DATABASE_URL
+
+    target_metadata = Base.metadata
+except Exception:
+    target_metadata = None
+
+# 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 run_migrations_offline() -> None:
+    """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 = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    # Obtener URL desde alembic.ini; si está en placeholder, usar la URL definida en app.db
+    db_url = config.get_main_option("sqlalchemy.url")
+    if not db_url or db_url.startswith("driver://"):
+        try:
+            from app.db import DATABASE_URL as app_database_url
+
+            db_url = app_database_url
+        except Exception:
+            raise RuntimeError(
+                "No se pudo determinar sqlalchemy.url. Configura sqlalchemy.url en alembic.ini o define DATABASE_URL en app.db"
+            )
+
+    connectable = create_engine(db_url, poolclass=pool.NullPool)
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()