feat(product-suite): persist current generation rounds

app/gui/tabs/product_suite.py

@@ -696,10 +696,12 @@ class SuiteTaskState:
     last_saved_prompt: str = ""
     settings: dict = field(default_factory=product_suite.default_suite_settings)
     current_job_ids: list = field(default_factory=list)
+    current_generation_round_key: str = ""
     show_history: bool = False
     generation_job_ids: list = field(default_factory=list)
     generation_mode: str = "batch"
     generation_retry_job_id: int = None
+    generation_round_key: str = ""
     worker: object = None
     thread: object = None
     generation_run_token: str = ""
@@ -1457,6 +1459,7 @@ class ProductSuiteTab(QWidget):
 
     def _load_state(self, state):
         self._sync_state_project_binding(state)
+        self._restore_current_generation_results(state)
         self._loading = True
         try:
             self.custom_category_edit.hide()
@@ -1723,6 +1726,8 @@ class ProductSuiteTab(QWidget):
             return None
         state.project_id = int(project.id)
         state.project_binding_state = project.binding_state
+        if previous_id != state.project_id:
+            self._restore_current_generation_results(state, force=True)
         stored_prompt = str(project.draft_prompt or "")
         if load_existing and previous_id != state.project_id:
             state.prompt = stored_prompt
@@ -3101,6 +3106,25 @@ class ProductSuiteTab(QWidget):
         if not specs:
             self._message("生成数量为0", "请至少把一个套图分类的数量设为1。")
             return False
+        generation_round_key = ""
+        if retrying:
+            try:
+                original_job = image_studio.get_job(retry_job_id, path=self.db_path)
+            except Exception as exc:
+                self._message("读取重试图片失败", _user_error(exc))
+                return False
+            if original_job is None or int(original_job.project_id) != int(state.project_id):
+                self._message("重试图片无效", "该图片不属于当前商品套图任务。")
+                return False
+            for spec in specs:
+                spec["generation_round_key"] = original_job.generation_round_key
+                spec["generation_slot_index"] = original_job.generation_slot_index
+            generation_round_key = str(original_job.generation_round_key or "")
+        else:
+            generation_round_key = uuid.uuid4().hex
+            for slot_index, spec in enumerate(specs):
+                spec["generation_round_key"] = generation_round_key
+                spec["generation_slot_index"] = slot_index
         if confirm_batch and not self._confirm(
             "确认生成商品套图",
             self._generation_confirmation_message(
@@ -3118,6 +3142,7 @@ class ProductSuiteTab(QWidget):
             state.project_id,
             specs,
             run_token=run_token,
+            generation_round_key=generation_round_key or None,
             aspect_ratio=state.settings["ratio"],
             db_path=self.db_path,
             config=self.config,
@@ -3130,6 +3155,7 @@ class ProductSuiteTab(QWidget):
         state.generation_job_ids = []
         state.generation_mode = "retry" if retrying else "batch"
         state.generation_retry_job_id = retry_job_id
+        state.generation_round_key = generation_round_key
         state.done = 0
         state.failed = 0
         state.total = len(specs)
@@ -3406,6 +3432,30 @@ class ProductSuiteTab(QWidget):
                     current.append(job_id)
         state.current_job_ids = current
 
+    def _restore_current_generation_results(self, state, *, force=False, allow_running=False):
+        if state.project_id is None or (
+            state.generation_running() and not allow_running
+        ):
+            return False
+        if state.current_job_ids and not force:
+            return False
+        try:
+            round_key = image_studio.get_current_generation_round(
+                state.project_id,
+                path=self.db_path,
+            )
+            jobs = image_studio.list_generation_round_current_jobs(
+                state.project_id,
+                round_key,
+                path=self.db_path,
+            )
+        except Exception as exc:
+            self._status("当前生成结果恢复失败：%s" % _user_error(exc), "danger")
+            return False
+        state.current_generation_round_key = str(round_key or "")
+        state.current_job_ids = [int(job.id) for job in jobs]
+        return True
+
     def _generation_job_snapshot(self, state):
         job_ids = self._generation_job_ids(state)
         counts = {
@@ -3501,12 +3551,40 @@ class ProductSuiteTab(QWidget):
             if state.started_at
             else 0
         )
+        promoted = False
+        if not retrying and state.generation_round_key and success:
+            try:
+                promoted = image_studio.promote_generation_round_if_success(
+                    state.project_id,
+                    state.generation_round_key,
+                    path=self.db_path,
+                )
+            except Exception as exc:
+                self._status("当前生成轮次保存失败：%s" % _user_error(exc), "danger")
+            self._restore_current_generation_results(
+                state,
+                force=True,
+                allow_running=True,
+            )
+        elif not retrying:
+            self._restore_current_generation_results(
+                state,
+                force=True,
+                allow_running=True,
+            )
+        elif state.generation_round_key:
+            self._restore_current_generation_results(
+                state,
+                force=True,
+                allow_running=True,
+            )
         self._generation_run_states.pop(run_token, None)
         state.generation_run_token = ""
         state.generation_stop_requested = False
         state.generation_terminal_streak = 0
         state.generation_job_ids = []
         state.generation_retry_job_id = None
+        state.generation_round_key = ""
         state.worker = None
         state.thread = None
         state.done = success + failed + cancelled
@@ -3530,6 +3608,7 @@ class ProductSuiteTab(QWidget):
                 "active": active,
                 "elapsed_seconds": elapsed,
                 "mode": "retry" if retrying else "batch",
+                "current_round_promoted": promoted,
             },
             level="WARNING" if active or result.get("ok") is False else "INFO",
         )