update requierements.txt, add of db connection function and root

.env

@@ -0,0 +1,4 @@
+DB_USER="portfolio_user"
+DB_PASS="USER@gio53"
+DB_HOST="localhost"
+DB_NAME="portfolio"

main.py

@@ -1,21 +1,42 @@
-from fastapi import FastAPI 
+import os
-import mariadb 
+from fastapi import FastAPI, HTTPException
-app = FastAPI() 
+from fastapi.middleware.cors import CORSMiddleware
+import MySQLdb
+from dotenv import load_dotenv
 
-@app.get("/api/portfolio") 
+load_dotenv()
-def read_portfolio(): 
+
-    try: 
+app = FastAPI()
-        conn = mariadb.connect( 
+
-            user="root", 
+origins = [
-            password="motdepasse", 
+    "http://localhost",
-            host="localhost", 
+    "http://localhost:5173",
-            port=3306, 
+]
-            database="portfolio"
+app.add_middleware(
-        ) 
+    CORSMiddleware,
-        cursor = conn.cursor() 
+    allow_origins=origins,
-        cursor.execute("SELECT * FROM portfolio;") 
+    allow_credentials=True,
-        result = cursor.fetchall() 
+    allow_methods=["*"],
-        conn.close() 
+    allow_headers=["*"],
-        return {"data": result} 
+)
-    except mariadb.Error as e: 
+
-        return {"error": str(e)}
+
+def get_db_connection():
+    try:
+        conn = MySQLdb.connect(
+            user=os.getenv("DB_USER"),
+            passwd=os.getenv("DB_PASS"),
+            host=os.getenv("DB_HOST"),
+            db=os.getenv("DB_NAME"),
+            charset='utf8mb4',
+            cursorclass=MySQLdb.cursors.DictCursor 
+        )
+        return conn
+    except MySQLdb.Error as e:
+        print(f"Erreur de connexion à la base de données : {e}")
+        raise HTTPException(status_code=500, detail="Erreur interne du serveur lors de la connexion à la base de données.")
+
+
+@app.get("/")
+def read_root():
+    return {"status": "API Portfolio fonctionnelle"}

requirements.txt

@@ -1,3 +1,4 @@
 fastapi 
 uvicorn 
-mariadb
+mysqlclient
+python-dotenv