refactor(job): Make jobs execution polymorphic instead of relied on plain switch

lib/logic/cubit/client_jobs/client_jobs_cubit.dart

@@ -23,6 +23,8 @@ class JobsCubit extends Cubit<JobsState> {
   final UsersCubit usersCubit;
   final ServicesCubit servicesCubit;
 
+  bool hasServiceJobs = false;
+
   void addJob(final ClientJob job) {
     final List<ClientJob> newJobsList = [];
     if (state is JobsStateWithJobs) {
@@ -103,31 +105,9 @@ class JobsCubit extends Cubit<JobsState> {
     if (state is JobsStateWithJobs) {
       final List<ClientJob> jobs = (state as JobsStateWithJobs).clientJobList;
       emit(JobsStateLoading());
-      bool hasServiceJobs = false;
+
       for (final ClientJob job in jobs) {
-        // TODO: Rewrite to polymorphism
-        if (job is CreateUserJob) {
-          await usersCubit.createUser(job.user);
-        }
-        if (job is DeleteUserJob) {
-          await usersCubit.deleteUser(job.user);
-        }
-        if (job is ServiceToggleJob) {
-          hasServiceJobs = true;
-          await api.switchService(job.service.id, job.needToTurnOn);
-        }
-        if (job is CreateSSHKeyJob) {
-          await usersCubit.addSshKey(job.user, job.publicKey);
-        }
-        if (job is DeleteSSHKeyJob) {
-          await usersCubit.deleteSshKey(job.user, job.publicKey);
-        }
-        if (job is ResetUserPasswordJob) {
-          await usersCubit.changeUserPassword(job.user, job.user.password!);
-        }
-        if (job is RebuildServerJob) {
-          await upgradeServer();
-        }
+        job.execute(this);
       }
 
       await api.pullConfigurationUpdate();
@@ -137,6 +117,8 @@ class JobsCubit extends Cubit<JobsState> {
         await servicesCubit.load();
       }
 
+      hasServiceJobs = false;
+
       emit(JobsStateEmpty());
     }
   }

lib/logic/models/job.dart

@@ -1,14 +1,14 @@
 import 'package:easy_localization/easy_localization.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter/material.dart';
-import 'package:selfprivacy/logic/common_enum/common_enum.dart';
+import 'package:selfprivacy/logic/cubit/client_jobs/client_jobs_cubit.dart';
 import 'package:selfprivacy/logic/models/service.dart';
 import 'package:selfprivacy/utils/password_generator.dart';
 
 import 'package:selfprivacy/logic/models/hive/user.dart';
 
 @immutable
-class ClientJob extends Equatable {
+abstract class ClientJob extends Equatable {
   ClientJob({
     required this.title,
     final String? id,
@@ -17,6 +17,8 @@ class ClientJob extends Equatable {
   final String title;
   final String id;
 
+  void execute(final JobsCubit cubit);
+
   @override
   List<Object> get props => [id, title];
 }
@@ -26,6 +28,11 @@ class RebuildServerJob extends ClientJob {
     required final super.title,
     final super.id,
   });
+
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.upgradeServer();
+  }
 }
 
 class CreateUserJob extends ClientJob {
@@ -35,6 +42,11 @@ class CreateUserJob extends ClientJob {
 
   final User user;
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.usersCubit.createUser(user);
+  }
+
   @override
   List<Object> get props => [id, title, user];
 }
@@ -46,6 +58,11 @@ class ResetUserPasswordJob extends ClientJob {
 
   final User user;
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.usersCubit.changeUserPassword(user, user.password!);
+  }
+
   @override
   List<Object> get props => [id, title, user];
 }
@@ -57,11 +74,16 @@ class DeleteUserJob extends ClientJob {
 
   final User user;
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.usersCubit.deleteUser(user);
+  }
+
   @override
   List<Object> get props => [id, title, user];
 }
 
-class ToggleJob extends ClientJob {
+abstract class ToggleJob extends ClientJob {
   ToggleJob({
     required final this.service,
     required final super.title,
@@ -82,6 +104,12 @@ class ServiceToggleJob extends ToggleJob {
               '${needToTurnOn ? "jobs.service_turn_on".tr() : "jobs.service_turn_off".tr()} ${service.displayName}',
         );
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    cubit.hasServiceJobs = true;
+    await cubit.api.switchService(service.id, needToTurnOn);
+  }
+
   final bool needToTurnOn;
 }
 
@@ -94,6 +122,11 @@ class CreateSSHKeyJob extends ClientJob {
   final User user;
   final String publicKey;
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.usersCubit.addSshKey(user, publicKey);
+  }
+
   @override
   List<Object> get props => [id, title, user, publicKey];
 }
@@ -107,6 +140,11 @@ class DeleteSSHKeyJob extends ClientJob {
   final User user;
   final String publicKey;
 
+  @override
+  void execute(final JobsCubit cubit) async {
+    await cubit.usersCubit.deleteSshKey(user, publicKey);
+  }
+
   @override
   List<Object> get props => [id, title, user, publicKey];
 }