05/23 Phase 7

ui/history.py

@@ -5,10 +5,14 @@ Draw History browser screen.
 Shows a sortable, filterable Treeview of all draw records.
 """
 
+import os
 import tkinter as tk
-from tkinter import ttk
+from tkinter import ttk, filedialog, messagebox
 
 from db.models import get_all_games, get_game_by_name, get_draws_with_game
+from core.exporter import (
+    export_draws_excel, export_draws_csv, default_path, ensure_exports_dir,
+)
 
 _COLUMNS = ("game", "date", "numbers", "bonus", "multiplier", "source")
 _LABELS  = {
@@ -77,7 +81,9 @@ class HistoryScreen(ttk.Frame):
         ttk.Button(bar, text="Search", command=self._apply_filter).pack(side="left", padx=(0, 4))
         ttk.Button(bar, text="Clear",  command=self._clear_filter).pack(side="left")
 
-        ttk.Button(bar, text="↻ Refresh", command=self.refresh).pack(side="right")
+        ttk.Button(bar, text="↻ Refresh",   command=self.refresh).pack(side="right")
+        ttk.Button(bar, text="Export CSV",  command=self._export_csv).pack(side="right", padx=(0, 4))
+        ttk.Button(bar, text="Export Excel",command=self._export_excel).pack(side="right", padx=(0, 4))
 
         # ── Treeview + scrollbars ─────────────────────────────────────────────
         tree_frame = ttk.Frame(self)
@@ -213,3 +219,54 @@ class HistoryScreen(ttk.Frame):
         for c in _COLUMNS:
             self._tree.heading(c, text=_LABELS[c])
         self._apply_filter()
+
+    # ── Export ────────────────────────────────────────────────────────────────
+
+    def _current_filter(self):
+        """Return (game_id, date_from, date_to) for the active filter."""
+        name = self._game_var.get()
+        if name == "All Games":
+            game_id = None
+        else:
+            g = get_game_by_name(name)
+            game_id = g["id"] if g else None
+
+        raw_from = self._from_entry.get().strip()
+        raw_to   = self._to_entry.get().strip()
+        date_from = raw_from if raw_from and raw_from != "YYYY-MM-DD" else None
+        date_to   = raw_to   if raw_to   and raw_to   != "YYYY-MM-DD" else None
+        return game_id, date_from, date_to
+
+    def _export_excel(self):
+        ensure_exports_dir()
+        fp = filedialog.asksaveasfilename(
+            title="Export draw history",
+            defaultextension=".xlsx",
+            filetypes=[("Excel workbook", "*.xlsx")],
+            initialfile=f"draws_{__import__('datetime').datetime.now().strftime('%Y%m%d')}.xlsx",
+        )
+        if not fp:
+            return
+        try:
+            game_id, date_from, date_to = self._current_filter()
+            export_draws_excel(fp, game_id=game_id, date_from=date_from, date_to=date_to)
+            self._count_var.set(f"Exported → {os.path.basename(fp)}")
+        except Exception as e:
+            messagebox.showerror("Export failed", str(e))
+
+    def _export_csv(self):
+        ensure_exports_dir()
+        fp = filedialog.asksaveasfilename(
+            title="Export draw history",
+            defaultextension=".csv",
+            filetypes=[("CSV file", "*.csv")],
+            initialfile=f"draws_{__import__('datetime').datetime.now().strftime('%Y%m%d')}.csv",
+        )
+        if not fp:
+            return
+        try:
+            game_id, date_from, date_to = self._current_filter()
+            export_draws_csv(fp, game_id=game_id, date_from=date_from, date_to=date_to)
+            self._count_var.set(f"Exported → {os.path.basename(fp)}")
+        except Exception as e:
+            messagebox.showerror("Export failed", str(e))