Move list functionality to application service

The domain functionality does not belong into the CLI app itself

Author: arnemertz

src/domain/application_service.cpp

@@ -24,3 +24,7 @@ std::string application_service::create(std::string_view title, std::string_view
 
   return id_prefix + "-0000000"s;
 }
+
+size_t application_service::list() const { // NOLINT
+  return 0;
+}

src/domain/application_service.hpp

@@ -9,6 +9,9 @@ class application_service {
 public:
   // cppcheck-suppress functionStatic
   std::string create(std::string_view title, std::string_view description);
+
+  // cppcheck-suppress functionStatic
+  size_t list() const;
 };
 
 }

src/fix_cli/app.cpp

@@ -52,7 +52,9 @@ auto app::run(const std::vector<std::string_view>& args) -> int {
 
 int app::run_command(std::string const& command, const std::vector<std::string>& argv) {
   if (command == "list"sv) {
-    out << "total: 0 issues\n";
+    domain::application_service application_service;
+    auto const count = application_service.list();
+    out << fmt::format("total: {} issues\n", count);
     return EXIT_SUCCESS;
   }
 

test/domain/application_service_test.cpp

@@ -16,3 +16,8 @@ TEST_CASE("Create issue returns issue ID") {
   auto const id_pattern = id_prefix + "-[0-9a-f]{7}"s;
   CHECK_THAT(application_service.create(title, description), Catch::Matches(id_pattern));
 }
+
+TEST_CASE("List issues returns number of issues") {
+  application_service application_service;
+  CHECK(application_service.list() == 0);
+}