refactor: 请求处理控制流基础架构

pkg/pipeline/resprule/rules/prefix.py

@@ -0,0 +1,29 @@
+import mirai
+
+from .. import rule as rule_model
+from .. import entities
+
+
+class PrefixRule(rule_model.GroupRespondRule):
+
+    async def match(
+        self,
+        message_text: str,
+        message_chain: mirai.MessageChain,
+        rule_dict: dict
+    ) -> entities.RuleJudgeResult:
+        prefixes = rule_dict['prefix']
+
+        for prefix in prefixes:
+            if message_text.startswith(prefix):
+                return entities.RuleJudgeResult(
+                    matching=True,
+                    replacement=mirai.MessageChain([
+                        mirai.Plain(message_text[len(prefix):])
+                    ]),
+                )
+
+        return entities.RuleJudgeResult(
+            matching=False,
+            replacement=message_chain
+        )