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db.py

@@ -107,6 +107,15 @@ def init_db():
     if 'donor_hla' not in pat_cols:
         conn.execute("ALTER TABLE patients ADD COLUMN donor_hla TEXT DEFAULT ''")
 
+    # migrate: soft delete columns
+    report_cols_all = [r[1] for r in conn.execute('PRAGMA table_info(reports)').fetchall()]
+    if 'is_deleted' not in report_cols_all:
+        try:
+            conn.execute("ALTER TABLE reports ADD COLUMN is_deleted INTEGER DEFAULT 0")
+            conn.execute("ALTER TABLE reports ADD COLUMN deleted_at TEXT")
+        except Exception:
+            pass
+
     # migrate users table
     user_cols = [r[1] for r in conn.execute('PRAGMA table_info(users)').fetchall()]
     if 'role' not in user_cols:
@@ -205,12 +214,13 @@ def save_report(patient_id, report_date, pra_class, pra_percent, overall,
 
 
 def get_all_reports(limit=100):
-    """取得所有報告 (含病人資訊)"""
+    """取得所有報告 (含病人資訊，排除已刪除)"""
     conn = get_conn()
     rows = conn.execute('''
         SELECT r.*, p.patient_name, p.chart_no
         FROM reports r
         JOIN patients p ON p.id = r.patient_id
+        WHERE COALESCE(r.is_deleted, 0) = 0
         ORDER BY r.report_date DESC, p.chart_no, r.pra_class
         LIMIT ?
     ''', (limit,)).fetchall()
@@ -226,7 +236,7 @@ def get_all_patients():
                MAX(r.report_date) as latest_date,
                GROUP_CONCAT(DISTINCT r.pra_class) as classes
         FROM patients p
-        LEFT JOIN reports r ON r.patient_id = p.id
+        LEFT JOIN reports r ON r.patient_id = p.id AND COALESCE(r.is_deleted, 0) = 0
         GROUP BY p.id
         ORDER BY latest_date DESC
     ''').fetchall()
@@ -243,7 +253,8 @@ def get_patient_reports(chart_no):
         return None, []
 
     reports = conn.execute('''
-        SELECT * FROM reports WHERE patient_id=? ORDER BY report_date DESC, pra_class
+        SELECT * FROM reports WHERE patient_id=? AND COALESCE(is_deleted, 0) = 0
+        ORDER BY report_date DESC, pra_class
     ''', (patient['id'],)).fetchall()
 
     result = []
@@ -275,7 +286,7 @@ def get_mfi_comparison(chart_no, pra_class=None):
                a.antigen, a.allele, a.max_mfi, a.mean_mfi, a.no_of_beads
         FROM reports r
         JOIN antibody_strength a ON a.report_id = r.id
-        WHERE r.patient_id = ?
+        WHERE r.patient_id = ? AND COALESCE(r.is_deleted, 0) = 0
     '''
     params = [patient['id']]
     if pra_class:
@@ -328,10 +339,11 @@ def get_mfi_comparison(chart_no, pra_class=None):
 
 
 def delete_report(report_id):
+    """軟刪除報告（標記 is_deleted=1，不真的刪）"""
     backup_db()
     conn = get_conn()
-    conn.execute('DELETE FROM antibody_strength WHERE report_id=?', (report_id,))
-    conn.execute('DELETE FROM reports WHERE id=?', (report_id,))
+    conn.execute("""UPDATE reports SET is_deleted=1, deleted_at=datetime('now','localtime'),
+                    updated_at=datetime('now','localtime') WHERE id=?""", (report_id,))
     conn.commit()
     conn.close()