From 970fcc542aef86922467b2fdee8062166a5cb735 Mon Sep 17 00:00:00 2001
From: Michel <michel@mj91.fr>
Date: Sat, 26 Jul 2025 10:04:07 +0200
Subject: [PATCH] =?UTF-8?q?Remise=20en=20=C3=A9tat=20Technique?=
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---
 requirements.txt     |   2 +
 scripts/Interface.py |   4 +-
 scripts/Technique.py |   2 +-
 utils/db.py          | 101 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 106 insertions(+), 3 deletions(-)
 create mode 100644 utils/db.py

diff --git a/requirements.txt b/requirements.txt
index de08a2a..a813c2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,3 +10,5 @@ paramiko~=3.5.1
 python-dotenv
 bcrypt
 ovh
+fpdf==1.7.2
+altair
diff --git a/scripts/Interface.py b/scripts/Interface.py
index b4b6ebb..9b44e57 100644
--- a/scripts/Interface.py
+++ b/scripts/Interface.py
@@ -173,7 +173,7 @@ if not st.session_state.get("authenticated"):
         try:
             conn = mysql.connector.connect(**db_config)
             cursor = conn.cursor(dictionary=True)
-            cursor.execute("SELECT * FROM MotsDePasse WHERE utilisateur = %s", (login,))
+            cursor.execute("SELECT * FROM Sondes.MotsDePasse WHERE utilisateur = %s", (login,))
             result = cursor.fetchone()
             def verifier_password(mot_de_passe_saisi, hash_en_base):
                 return bcrypt.checkpw(mot_de_passe_saisi.encode('utf-8'), hash_en_base.encode('utf-8'))
@@ -181,7 +181,7 @@ if not st.session_state.get("authenticated"):
                 if result["Expiration"] and result["Expiration"] < date.today():
                     st.sidebar.error("⛔ Votre accès a expiré. Veuillez contacter un administrateur.")
                     cursor.close()
-                    conn.close()
+                    conn.close()sondes
                     st.stop()
                 st.session_state["authenticated"] = True
                 st.session_state["role"] = result["role"]
diff --git a/scripts/Technique.py b/scripts/Technique.py
index 5331fe3..18db695 100644
--- a/scripts/Technique.py
+++ b/scripts/Technique.py
@@ -104,7 +104,7 @@ if sonde_selection:
         )
 
 # Insérer une alerte dans Mysql en cas de sonde défectueuse
-        def inserer_alerte_defaut_sonde(sonde, date_defaut):
+        def inserer_alerte_defaut_sonde(sonde):
             conn = None
             cursor = None
             try:
diff --git a/utils/db.py b/utils/db.py
new file mode 100644
index 0000000..b3bc0e1
--- /dev/null
+++ b/utils/db.py
@@ -0,0 +1,101 @@
+# utils/db.py
+
+import mysql.connector
+import os
+import sys
+import logging
+from datetime import datetime
+
+
+def connect_to_mysql(db_name: str = None):
+    """Connexion à MySQL via variables d'environnement."""
+    try:
+        mydb = mysql.connector.connect(
+            host=os.getenv("DB_HOST"),
+            user=os.getenv("DB_USER"),
+            password=os.getenv("DB_PASSWORD"),
+            database=db_name if db_name else os.getenv("DB_NAME")
+        )
+        return mydb
+    except mysql.connector.Error as err:
+        logging.error(f"Erreur de connexion MySQL : {err}")
+        sys.exit(1)
+
+
+def get_latest_chaufferie():
+    """Renvoie les dernières valeurs par sonde dans la table 'Chaufferie'."""
+    db = connect_to_mysql()
+    cursor = db.cursor(dictionary=True)
+    query = """
+        SELECT c1.*
+        FROM Chaufferie c1
+        INNER JOIN (
+            SELECT Sonde, MAX(Date) AS MaxDate
+            FROM Chaufferie
+            GROUP BY Sonde
+        ) c2 ON c1.Sonde = c2.Sonde AND c1.Date = c2.MaxDate
+        ORDER BY c1.Sonde;
+    """
+    cursor.execute(query)
+    result = cursor.fetchall()
+    cursor.close()
+    db.close()
+    return result
+
+
+def get_history_by_sonde(sonde: str, start: datetime, end: datetime):
+    """Retourne l’historique des températures d’une sonde entre deux dates."""
+    db = connect_to_mysql()
+    cursor = db.cursor(dictionary=True)
+    query = """
+        SELECT * FROM Chaufferie
+        WHERE Sonde = %s AND Date BETWEEN %s AND %s
+        ORDER BY Date;
+    """
+    cursor.execute(query, (sonde, start, end))
+    result = cursor.fetchall()
+    cursor.close()
+    db.close()
+    return result
+
+
+def verifier_utilisateur_commun(utilisateur: str, motdepasse: str):
+    """Vérifie si un utilisateur (non superviseur) existe dans la table MotsDePasse."""
+    db = connect_to_mysql()
+    cursor = db.cursor(dictionary=True)
+    query = """
+        SELECT * FROM MotsDePasse
+        WHERE utilisateur = %s AND motdepasse = %s AND role = 'utilisateur'
+    """
+    cursor.execute(query, (utilisateur, motdepasse))
+    result = cursor.fetchone()
+    cursor.close()
+    db.close()
+    return result
+
+
+def lire_alertes_sondes():
+    """Renvoie la liste des alertes non acquittées dans la table Alertes_Chaufferie."""
+    db = connect_to_mysql()
+    cursor = db.cursor(dictionary=True)
+    query = """
+        SELECT * FROM Alertes_Chaufferie
+        WHERE Etat != 'Acquitté'
+        ORDER BY Debut_defaut DESC
+    """
+    cursor.execute(query)
+    result = cursor.fetchall()
+    cursor.close()
+    db.close()
+    return result
+
+
+def acquitter_alerte(id_alerte: int):
+    """Met à jour une alerte comme acquittée dans la base."""
+    db = connect_to_mysql()
+    cursor = db.cursor()
+    query = "UPDATE Alertes_Chaufferie SET Etat = 'Acquitté' WHERE Id = %s"
+    cursor.execute(query, (id_alerte,))
+    db.commit()
+    cursor.close()
+    db.close()