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app/routes.py

@@ -1,7 +1,9 @@
-from flask import Blueprint, render_template, request, redirect, url_for, session, flash
+from flask import Blueprint, render_template, request, redirect, url_for, session, flash, Response, session
 import time
 import requests
 import mysql.connector
+import csv
+import io
 from werkzeug.security import check_password_hash, generate_password_hash
 from sqlalchemy import text
 from app import db
@@ -296,3 +298,115 @@ def gestion_societes():
     return render_template('gestion_societes.html', societes=societes)
 
 
+# Routes pour la gestion des imports exports des actions csv
+@main.route('/gestion-import-export-actions-csv', methods=['GET'])
+def gestion_import_export_actions_csv():
+    if 'user_id' not in session:
+        return redirect(url_for('main.index'))
+    return render_template('gestion_import_export_actions_csv.html')
+
+@main.route('/export-actions-csv', methods=['GET'])
+def export_actions_csv():
+    if 'user_id' not in session:
+        return redirect(url_for('main.index'))
+    
+    try:
+        # Récupération de toutes les données de la table actions
+        query = text("SELECT id, isin, ticker, company_name, exchange, pays, currency, updated_at FROM actions")
+        result = db.session.execute(query)
+        
+        # Création du fichier CSV en mémoire
+        output = io.StringIO()
+        writer = csv.writer(output, delimiter=';', quoting=csv.QUOTE_MINIMAL)
+        
+        # Écriture de l'en-tête du CSV
+        writer.writerow(['id', 'isin', 'ticker', 'company_name', 'exchange', 'pays', 'currency', 'updated_at'])
+        
+        # Écriture des lignes
+        for row in result:
+            writer.writerow([
+                row.id,
+                row.isin or '',
+                row.ticker or '',
+                row.company_name or '',
+                row.exchange or '',
+                row.pays or '',
+                row.currency or '',
+                row.updated_at.strftime('%Y-%m-%d %H:%M:%S') if row.updated_at else ''
+            ])
+            
+        output.seek(0)
+        
+        # Envoi du fichier en téléchargement
+        return Response(
+            output.getvalue(),
+            mimetype="text/csv",
+            headers={"Content-Disposition": "attachment;filename=actions_export.csv"}
+        )
+    except Exception as e:
+        flash("Erreur lors de l'exportation du fichier CSV.", "danger")
+        return redirect(url_for('main.gestion_import_export_actions_csv'))
+
+@main.route('/import-actions-csv', methods=['POST'])
+def import_actions_csv():
+    if 'user_id' not in session:
+        return redirect(url_for('main.index'))
+        
+    if 'file' not in request.files:
+        flash("Aucun fichier sélectionné.", "danger")
+        return redirect(url_for('main.gestion_import_export_actions_csv'))
+        
+    file = request.files['file']
+    
+    if file.filename == '':
+        flash("Aucun fichier sélectionné.", "danger")
+        return redirect(url_for('main.gestion_import_export_actions_csv'))
+        
+    if file and file.filename.endswith('.csv'):
+        try:
+            stream = io.TextIOWrapper(file.stream, encoding="utf-8")
+            csv_reader = csv.reader(stream, delimiter=';')
+            
+            header = next(csv_reader, None)
+            if not header:
+                flash("Le fichier CSV est vide.", "danger")
+                return redirect(url_for('main.gestion_import_export_actions_csv'))
+            
+            count = 0
+            for row in csv_reader:
+                # Vérifie qu'on a au moins les 6 colonnes de base
+                if len(row) >= 6:
+                    isin = row[0].strip() if row[0] != '' else None
+                    ticker = row[1].strip() if row[1] != '' else None
+                    company_name = row[2].strip() if row[2] != '' else None
+                    exchange = row[3].strip() if row[3] != '' else ''
+                    pays = row[4].strip() if row[4] != '' else ''
+                    currency = row[5].strip() if row[5] != '' else ''
+                    
+                    if not isin or not ticker:
+                        continue # Ignore les lignes mal formatées
+                    
+                    # Insertion ou mise à jour si le code ISIN existe déjà
+                    query = text("""
+                        INSERT INTO actions (isin, ticker, company_name, exchange, pays, currency, updated_at) 
+                        VALUES (:isin, :ticker, :company_name, :exchange, :pays, :currency, NOW())
+                        ON DUPLICATE KEY UPDATE 
+                        ticker = :ticker, company_name = :company_name, 
+                        exchange = :exchange, pays = :pays, currency = :currency, updated_at = NOW()
+                    """)
+                    db.session.execute(query, {
+                        "isin": isin, "ticker": ticker, "company_name": company_name,
+                        "exchange": exchange, "pays": pays, "currency": currency
+                    })
+                    count += 1
+                    
+            db.session.commit()
+            flash(f"Importation réussie : {count} actions traitées.", "success")
+        except Exception as e:
+            db.session.rollback()
+            flash(f"Erreur lors de l'importation du fichier : {str(e)}", "danger")
+            
+        return redirect(url_for('main.gestion_import_export_actions_csv'))
+    else:
+        flash("Veuillez fournir un fichier au format .csv valide.", "warning")
+        return redirect(url_for('main.gestion_import_export_actions_csv'))