initial

fastapi/database.py

+from sqlalchemy import create_engine, ForeignKey, Date, Enum as SQLEnum
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker, relationship
+from sqlalchemy import Column, Integer, String, SmallInteger
+from enum import Enum
+
+# Database configuration
+SQLALCHEMY_DATABASE_URL ="mysql+pymysql://webapp:Ej]mMitZ8r;0)BzAp@localhost/webapp"
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+# Enum for loan status
+class LoanStatus(str, Enum):
+    reserved = "reserved"
+    started = "started"
+    ended = "ended"
+# SQLAlchemy Models
+class UserDB(Base):
+    tablename_= "user"
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    email = Column(String(50), unique=True, nullable=False)
+    password = Column(String(256), nullable=False)
+    role = Column(SmallInteger, nullable=False, default=0)
+    # Relationships
+    books = relationship("BookDB", back_populates="owner_rel")
+    loans = relationship("LoanDB", back_populates="user")
+    # Database Dependency
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
\ No newline at end of file

fastapi/main.py

+from typing import List
+from datetime import date
+
+from fastapi import FastAPI, HTTPException, Depends
+from passlib.context import CryptContext
+from typing import Optional
+from pydantic import BaseModel, EmailStr
+from datetime import date
+from sqlalchemy.orm import Session
+from database import *
+# Pydantic Models
+class UserBase(BaseModel):
+    email: EmailStr
+    role: int = 0
+class UserCreate(UserBase):
+    password: str
+class User(UserBase):
+    id: int
+class Config:
+    from_attributes = True
+    # Password hashing
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+app = FastAPI()
+# User CRUD Operations
+@app.post("/users/", response_model=User)
+def create_user(user: UserCreate, db: Session = Depends(get_db)):
+    db_user = db.query(UserDB).filter(UserDB.email == user.email).first()
+    if db_user:
+        raise HTTPException(status_code=400, detail="Email already registered")
+    hashed_password = pwd_context.hash(user.password)
+    db_user = UserDB(
+    email=user.email,
+    password=hashed_password,
+    role=user.role
+    )
+    try:
+        db.add(db_user)
+        db.commit()
+        db.refresh(db_user)
+        return db_user
+    except Exception as e:
+        db.rollback()
+        raise HTTPException(status_code=400, detail=str(e))
+
+@app.get("/users/", response_model=List[User])
+def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
+    users = db.query(UserDB).offset(skip).limit(limit).all()
+    return users
+@app.get("/users/{user_id}", response_model=User)
+def read_user(user_id: int, db: Session = Depends(get_db)):
+    db_user = db.query(UserDB).filter(UserDB.id == user_id).first()
+    if db_user is None:
+        raise HTTPException(status_code=404, detail="User not found")
+    return db_user

fastapi/schema.sql

+-- phpMyAdmin SQL Dump
+-- version 5.1.1deb5ubuntu1
+-- https://www.phpmyadmin.net/
+--
+-- Host: localhost:3306
+-- Generation Time: Feb 20, 2025 at 02:02 PM
+-- Server version: 10.6.18-MariaDB-0ubuntu0.22.04.1
+-- PHP Version: 8.1.2-1ubuntu2.20
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+START TRANSACTION;
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Database: `webapp`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `book`
+--
+
+CREATE TABLE `book` (
+  `id` int(10) UNSIGNED NOT NULL,
+  `owner` int(10) UNSIGNED NOT NULL,
+  `title` varchar(80) NOT NULL,
+  `author` varchar(80) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `loan`
+--
+
+CREATE TABLE `loan` (
+  `id_user` int(10) UNSIGNED NOT NULL,
+  `id_book` int(10) UNSIGNED NOT NULL,
+  `status` enum('reserved','started','ended','') NOT NULL,
+  `start` date NOT NULL,
+  `end` date NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `user`
+--
+
+CREATE TABLE `user` (
+  `id` int(10) UNSIGNED NOT NULL,
+  `email` varchar(50) NOT NULL,
+  `password` varchar(256) NOT NULL,
+  `role` tinyint(3) UNSIGNED NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+--
+-- Indexes for dumped tables
+--
+
+--
+-- Indexes for table `book`
+--
+ALTER TABLE `book`
+  ADD PRIMARY KEY (`id`),
+  ADD KEY `owner` (`owner`);
+
+--
+-- Indexes for table `loan`
+--
+ALTER TABLE `loan`
+  ADD KEY `id_book` (`id_book`),
+  ADD KEY `id_user` (`id_user`);
+
+--
+-- Indexes for table `user`
+--
+ALTER TABLE `user`
+  ADD PRIMARY KEY (`id`);
+
+--
+-- Constraints for dumped tables
+--
+
+--
+-- Constraints for table `book`
+--
+ALTER TABLE `book`
+  ADD CONSTRAINT `book_ibfk_1` FOREIGN KEY (`owner`) REFERENCES `user` (`id`);
+
+--
+-- Constraints for table `loan`
+--
+ALTER TABLE `loan`
+  ADD CONSTRAINT `loan_ibfk_1` FOREIGN KEY (`id_book`) REFERENCES `book` (`id`),
+  ADD CONSTRAINT `loan_ibfk_2` FOREIGN KEY (`id_user`) REFERENCES `user` (`id`);
+COMMIT;
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
\ No newline at end of file