From dbcc53c20c0c6dff06facaa74c917e143a1caa07 Mon Sep 17 00:00:00 2001
From: Daniel Fiala <danfiala23@gmail.com>
Date: Sun, 11 Aug 2024 23:32:03 +0200
Subject: [PATCH] feat(admin): added listing users for admins

---
 .../web/resource/AdminUsersResource.java      | 10 ++++++++-
 .../zenei/domain/feature/ListUsers.java       |  9 ++++++++
 .../domain/feature/impl/ListUsersImpl.java    | 21 +++++++++++++++++++
 .../domain/model/user/UserRepository.java     |  3 +++
 .../panache/UserRepositoryPanache.java        |  8 +++++++
 5 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/dev/cloudeko/zenei/domain/feature/ListUsers.java
 create mode 100644 src/main/java/dev/cloudeko/zenei/domain/feature/impl/ListUsersImpl.java

diff --git a/src/main/java/dev/cloudeko/zenei/application/web/resource/AdminUsersResource.java b/src/main/java/dev/cloudeko/zenei/application/web/resource/AdminUsersResource.java
index 9dfdc2f..9788110 100644
--- a/src/main/java/dev/cloudeko/zenei/application/web/resource/AdminUsersResource.java
+++ b/src/main/java/dev/cloudeko/zenei/application/web/resource/AdminUsersResource.java
@@ -1,5 +1,7 @@
 package dev.cloudeko.zenei.application.web.resource;
 
+import dev.cloudeko.zenei.application.web.model.response.PrivateUserResponse;
+import dev.cloudeko.zenei.domain.feature.ListUsers;
 import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.Produces;
@@ -10,6 +12,7 @@
 import org.eclipse.microprofile.openapi.annotations.tags.Tag;
 
 import javax.annotation.security.RolesAllowed;
+import java.util.stream.Collectors;
 
 @AllArgsConstructor
 @RolesAllowed("admin")
@@ -17,9 +20,14 @@
 @Tag(name = "Admin Users Service", description = "API for managing users")
 public class AdminUsersResource {
 
+    private final ListUsers listUsers;
+
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public Response getUsers(@QueryParam("page") Integer page, @QueryParam("size") Integer size) {
-        return Response.ok().build();
+        final var users = listUsers.listUsers(page, size);
+        final var usersResponse = users.stream().map(PrivateUserResponse::new).toList();
+
+        return Response.ok(usersResponse).build();
     }
 }
diff --git a/src/main/java/dev/cloudeko/zenei/domain/feature/ListUsers.java b/src/main/java/dev/cloudeko/zenei/domain/feature/ListUsers.java
new file mode 100644
index 0000000..6995df6
--- /dev/null
+++ b/src/main/java/dev/cloudeko/zenei/domain/feature/ListUsers.java
@@ -0,0 +1,9 @@
+package dev.cloudeko.zenei.domain.feature;
+
+import dev.cloudeko.zenei.domain.model.user.User;
+
+import java.util.List;
+
+public interface ListUsers {
+    List<User> listUsers(int offset, int limit);
+}
diff --git a/src/main/java/dev/cloudeko/zenei/domain/feature/impl/ListUsersImpl.java b/src/main/java/dev/cloudeko/zenei/domain/feature/impl/ListUsersImpl.java
new file mode 100644
index 0000000..646edc4
--- /dev/null
+++ b/src/main/java/dev/cloudeko/zenei/domain/feature/impl/ListUsersImpl.java
@@ -0,0 +1,21 @@
+package dev.cloudeko.zenei.domain.feature.impl;
+
+import dev.cloudeko.zenei.domain.feature.ListUsers;
+import dev.cloudeko.zenei.domain.model.user.User;
+import dev.cloudeko.zenei.domain.model.user.UserRepository;
+import jakarta.enterprise.context.ApplicationScoped;
+import lombok.AllArgsConstructor;
+
+import java.util.List;
+
+@ApplicationScoped
+@AllArgsConstructor
+public class ListUsersImpl implements ListUsers {
+
+    private final UserRepository userRepository;
+
+    @Override
+    public List<User> listUsers(int offset, int limit) {
+        return userRepository.listUsers(offset, limit);
+    }
+}
diff --git a/src/main/java/dev/cloudeko/zenei/domain/model/user/UserRepository.java b/src/main/java/dev/cloudeko/zenei/domain/model/user/UserRepository.java
index ff7974c..46de351 100644
--- a/src/main/java/dev/cloudeko/zenei/domain/model/user/UserRepository.java
+++ b/src/main/java/dev/cloudeko/zenei/domain/model/user/UserRepository.java
@@ -1,5 +1,6 @@
 package dev.cloudeko.zenei.domain.model.user;
 
+import java.util.List;
 import java.util.Optional;
 
 public interface UserRepository {
@@ -15,4 +16,6 @@ public interface UserRepository {
     Optional<User> getUserByEmail(String email);
 
     Optional<User> getUserByUsername(String username);
+
+    List<User> listUsers(int offset, int limit);
 }
diff --git a/src/main/java/dev/cloudeko/zenei/infrastructure/repository/hibernate/panache/UserRepositoryPanache.java b/src/main/java/dev/cloudeko/zenei/infrastructure/repository/hibernate/panache/UserRepositoryPanache.java
index a9abd6e..3b08444 100644
--- a/src/main/java/dev/cloudeko/zenei/infrastructure/repository/hibernate/panache/UserRepositoryPanache.java
+++ b/src/main/java/dev/cloudeko/zenei/infrastructure/repository/hibernate/panache/UserRepositoryPanache.java
@@ -7,6 +7,7 @@
 import jakarta.enterprise.context.ApplicationScoped;
 import lombok.AllArgsConstructor;
 
+import java.util.List;
 import java.util.Optional;
 
 @ApplicationScoped
@@ -60,4 +61,11 @@ public Optional<User> getUserByUsername(String username) {
 
         return Optional.of(userMapper.toDomain(userEntity));
     }
+
+    @Override
+    public List<User> listUsers(int offset, int limit) {
+        return findAll().page(offset, limit).list().stream()
+                .map(userMapper::toDomain)
+                .toList();
+    }
 }