Merge pull request #917 from ueokande/operation-as-a-operator

refactor: Make each operation as an operator

1 files changed, 29 insertions, 0 deletions

diff --git a/src/background/operators/impls/RepeatOperatorFactoryChain.ts b/src/background/operators/impls/RepeatOperatorFactoryChain.ts
new file mode 100644
index 0000000..5038d48
--- /dev/null
+++ b/src/background/operators/impls/RepeatOperatorFactoryChain.ts
@@ -0,0 +1,29 @@
+import { inject, injectable } from "tsyringe";
+import Operator from "../Operator";
+import OperatorFactoryChain from "../OperatorFactoryChain";
+import RepeatLastOperator from "./RepeatLastOperator";
+import RepeatRepository from "../../repositories/RepeatRepository";
+import OperatorFactory from "../OperatorFactory";
+import * as operations from "../../../shared/operations";
+
+@injectable()
+export default class RepeatOperatorFactoryChain
+  implements OperatorFactoryChain {
+  constructor(
+    @inject("RepeatRepository")
+    private readonly repeatRepository: RepeatRepository,
+    @inject("OperatorFactory")
+    private readonly operatorFactory: OperatorFactory
+  ) {}
+
+  create(op: operations.Operation): Operator | null {
+    switch (op.type) {
+      case operations.REPEAT_LAST:
+        return new RepeatLastOperator(
+          this.repeatRepository,
+          this.operatorFactory
+        );
+    }
+    return null;
+  }
+}