feat: système de projets (Option A) — grouper plusieurs runs sous un projet

app.py

@@ -15,6 +15,14 @@ def init_db():
     conn = get_db()
     conn.executescript('''
         CREATE TABLE IF NOT EXISTS settings (key TEXT PRIMARY KEY, value TEXT);
+        CREATE TABLE IF NOT EXISTS projects (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            client_id INTEGER REFERENCES clients(id) ON DELETE SET NULL,
+            deadline TEXT DEFAULT NULL,
+            notes TEXT DEFAULT '',
+            created_at TEXT DEFAULT (datetime('now'))
+        );
         CREATE TABLE IF NOT EXISTS clients (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
             name TEXT NOT NULL, email TEXT DEFAULT '',
@@ -177,6 +185,7 @@ def init_db():
         'ALTER TABLE clients ADD COLUMN default_handling_profile_id INTEGER',
         'ALTER TABLE clients ADD COLUMN default_material_profile_id INTEGER',
         'ALTER TABLE clients ADD COLUMN default_pricing_profile_id INTEGER',
+        'ALTER TABLE jobs ADD COLUMN project_id INTEGER REFERENCES projects(id) ON DELETE SET NULL',
     ]
     for sql in migrations:
         try:
@@ -592,6 +601,85 @@ def delete_client(id):
     conn.commit(); conn.close()
     return redirect(url_for('clients'))
 
+# ─── Projets ──────────────────────────────────────────────────────────────────
+
+@app.route('/projects')
+def projects():
+    conn = get_db()
+    rows = conn.execute('''
+        SELECT p.*, c.name as client_name,
+               COUNT(j.id) as job_count,
+               COALESCE(SUM(j.order_qty), 0) as total_pieces,
+               COALESCE(SUM(j.final_price * j.order_qty), 0) as total_revenue
+        FROM projects p
+        LEFT JOIN clients c ON c.id = p.client_id
+        LEFT JOIN jobs j ON j.project_id = p.id
+        GROUP BY p.id ORDER BY p.created_at DESC
+    ''').fetchall()
+    conn.close()
+    return render_template('projects.html', projects=rows)
+
+@app.route('/projects/new', methods=['GET','POST'])
+def new_project():
+    conn = get_db()
+    if request.method == 'POST':
+        conn.execute('INSERT INTO projects(name,client_id,deadline,notes) VALUES(?,?,?,?)',
+            (request.form['name'],
+             int(request.form['client_id']) if request.form.get('client_id') else None,
+             request.form.get('deadline') or None,
+             request.form.get('notes','')))
+        conn.commit(); conn.close()
+        return redirect(url_for('projects'))
+    clients = conn.execute('SELECT id,name FROM clients ORDER BY name').fetchall()
+    conn.close()
+    return render_template('project_form.html', project=None, clients=clients)
+
+@app.route('/projects/<int:id>', methods=['GET'])
+def project_detail(id):
+    conn = get_db()
+    project = conn.execute('''
+        SELECT p.*, c.name as client_name
+        FROM projects p LEFT JOIN clients c ON c.id=p.client_id
+        WHERE p.id=?''', (id,)).fetchone()
+    if not project:
+        conn.close(); return redirect(url_for('projects'))
+    jobs = conn.execute('''
+        SELECT j.*, c.name as client_name, m.name as material_name, m.type as material_type
+        FROM jobs j
+        LEFT JOIN clients c ON c.id=j.client_id
+        LEFT JOIN materials m ON m.id=j.material_id
+        WHERE j.project_id=?
+        ORDER BY j.created_at''', (id,)).fetchall()
+    conn.close()
+    total_pieces  = sum((j['order_qty'] or 1) for j in jobs)
+    total_revenue = sum((j['final_price'] or 0) * (j['order_qty'] or 1) for j in jobs)
+    return render_template('project_detail.html', project=project, jobs=jobs,
+                           total_pieces=total_pieces, total_revenue=total_revenue)
+
+@app.route('/projects/<int:id>/edit', methods=['GET','POST'])
+def edit_project(id):
+    conn = get_db()
+    project = conn.execute('SELECT * FROM projects WHERE id=?',(id,)).fetchone()
+    if request.method == 'POST':
+        conn.execute('UPDATE projects SET name=?,client_id=?,deadline=?,notes=? WHERE id=?',
+            (request.form['name'],
+             int(request.form['client_id']) if request.form.get('client_id') else None,
+             request.form.get('deadline') or None,
+             request.form.get('notes',''), id))
+        conn.commit(); conn.close()
+        return redirect(url_for('project_detail', id=id))
+    clients = conn.execute('SELECT id,name FROM clients ORDER BY name').fetchall()
+    conn.close()
+    return render_template('project_form.html', project=project, clients=clients)
+
+@app.route('/projects/<int:id>/delete', methods=['POST'])
+def delete_project(id):
+    conn = get_db()
+    conn.execute('UPDATE jobs SET project_id=NULL WHERE project_id=?',(id,))
+    conn.execute('DELETE FROM projects WHERE id=?',(id,))
+    conn.commit(); conn.close()
+    return redirect(url_for('projects'))
+
 # ─── Matières ─────────────────────────────────────────────────────────────────
 
 @app.route('/materials')
@@ -885,6 +973,7 @@ def new_job():
         handling_pid   = request.form.get('handling_profile_id') or None
         material_pid   = request.form.get('material_profile_id') or None
         pricing_pid    = request.form.get('pricing_profile_id') or None
+        project_id     = request.form.get('project_id') or None
         pieces_per_plate = max(1, int(request.form.get('pieces_per_plate', 1)))
         order_qty        = max(1, int(request.form.get('order_qty', 1)))
 
@@ -919,15 +1008,15 @@ def new_job():
         r = calc(weight_g, print_time_s, design_mult, gross_margin, discount,
                  price_kg, s, pieces_per_plate)
         conn.execute('''INSERT INTO jobs(client_id,material_id,machine_profile_id,handling_profile_id,
-            material_profile_id,pricing_profile_id,source_file,name,description,
+            material_profile_id,pricing_profile_id,project_id,source_file,name,description,
             weight_g,print_time_s,design_multiplier,gross_margin_pct,discount_pct,
             pieces_per_plate,order_qty,
             material_cost,material_margin,design_cost,handling_cost,wear_cost,electricity_cost,
             cout_fixe,total_marge,subtotal,margin_amount,
             cotisations_amount,vfl_amount,tva_amount,other_taxes_amount,tax_amount,
             price_per_piece,final_price,notes)
-            VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''',
-            (client_id,material_id,machine_pid,handling_pid,material_pid,pricing_pid,
+            VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''',
+            (client_id,material_id,machine_pid,handling_pid,material_pid,pricing_pid,project_id,
              source_file,request.form['name'],request.form.get('description',''),
              weight_g,print_time_s,design_mult,gross_margin,discount,
              pieces_per_plate,order_qty,
@@ -942,10 +1031,12 @@ def new_job():
         conn.commit(); conn.close()
         return redirect(url_for('jobs'))
 
+    projects = conn.execute('SELECT id,name FROM projects ORDER BY name').fetchall()
     conn.close()
     return render_template('new_job.html', clients=clients, materials=mats, settings=settings,
         machine_profiles=machine_profiles, handling_profiles=handling_profiles,
-        material_profiles=material_profiles, pricing_profiles=pricing_profiles)
+        material_profiles=material_profiles, pricing_profiles=pricing_profiles,
+        projects=projects)
 
 @app.route('/jobs/<int:id>')
 def job_detail(id):