Make deleting a project member and forking a project also not fail

app/src/main/java/com/commit451/gitlab/api/GitLabService.kt

@@ -79,7 +79,7 @@ interface GitLabService {
     @DELETE(API_VERSION + "/groups/{id}/members/{user_id}")
     fun removeGroupMember(@Path("id") groupId: Long,
-                          @Path("user_id") userId: Long): Single<String>
+                          @Path("user_id") userId: Long): Completable
     /* --- PROJECTS --- */
@@ -126,10 +126,10 @@ interface GitLabService {
     @DELETE(API_VERSION + "/projects/{id}/members/{user_id}")
     fun removeProjectMember(@Path("id") projectId: Long,
-                            @Path("user_id") userId: Long): Single<String>
+                            @Path("user_id") userId: Long): Completable
     @POST(API_VERSION + "/projects/{id}/fork")
-    fun forkProject(@Path("id") projectId: Long): Single<String>
+    fun forkProject(@Path("id") projectId: Long): Completable
     @POST(API_VERSION + "/projects/{id}/star")
     fun starProject(@Path("id") projectId: Long): Single<Response<Project>>

app/src/main/java/com/commit451/gitlab/fragment/GroupMembersFragment.kt

@@ -24,8 +24,8 @@ import com.commit451.gitlab.extension.setup
 import com.commit451.gitlab.model.api.Group
 import com.commit451.gitlab.model.api.User
 import com.commit451.gitlab.navigation.Navigator
+import com.commit451.gitlab.rx.CustomCompleteObserver
 import com.commit451.gitlab.rx.CustomResponseSingleObserver
-import com.commit451.gitlab.rx.CustomSingleObserver
 import com.commit451.gitlab.util.LinkHeaderParser
 import com.commit451.gitlab.viewHolder.ProjectMemberViewHolder
 import com.trello.rxlifecycle2.android.FragmentEvent
@@ -84,7 +84,7 @@ class GroupMembersFragment : ButterKnifeFragment() {
             this@GroupMembersFragment.member = member
             App.get().gitLab.removeGroupMember(group.id, member.id)
                     .setup(bindUntilEvent(FragmentEvent.DESTROY_VIEW))
-                    .subscribe(object : CustomSingleObserver<String>() {
+                    .subscribe(object : CustomCompleteObserver() {
                         override fun error(e: Throwable) {
                             Timber.e(e)
@@ -92,7 +92,7 @@ class GroupMembersFragment : ButterKnifeFragment() {
                                     .show()
                         }
-                        override fun success(value: String) {
+                        override fun complete() {
                             adapterGroupMembers.removeMember(this@GroupMembersFragment.member!!)
                         }
                     })

app/src/main/java/com/commit451/gitlab/fragment/ProjectFragment.kt

@@ -18,6 +18,7 @@ import com.commit451.gitlab.extension.*
 import com.commit451.gitlab.model.api.Project
 import com.commit451.gitlab.model.api.RepositoryFile
 import com.commit451.gitlab.navigation.Navigator
+import com.commit451.gitlab.rx.CustomCompleteObserver
 import com.commit451.gitlab.rx.CustomSingleObserver
 import com.commit451.gitlab.util.InternalLinkMovementMethod
 import com.trello.rxlifecycle2.android.FragmentEvent
@@ -76,14 +77,14 @@ class ProjectFragment : ButterKnifeFragment() {
                     .setPositiveButton(R.string.ok) { _, _ ->
                         App.get().gitLab.forkProject(it.id)
                                 .setup(bindUntilEvent(FragmentEvent.DESTROY_VIEW))
-                                .subscribe(object : CustomSingleObserver<String>() {
+                                .subscribe(object : CustomCompleteObserver() {
                                     override fun error(t: Throwable) {
                                         Snackbar.make(swipeRefreshLayout, R.string.fork_failed, Snackbar.LENGTH_SHORT)
                                                 .show()
                                     }
-                                    override fun success(s: String) {
+                                    override fun complete() {
                                         Snackbar.make(swipeRefreshLayout, R.string.project_forked, Snackbar.LENGTH_SHORT)
                                                 .show()
                                     }

app/src/main/java/com/commit451/gitlab/fragment/ProjectMembersFragment.kt

@@ -25,8 +25,8 @@ import com.commit451.gitlab.extension.setup
 import com.commit451.gitlab.model.api.Project
 import com.commit451.gitlab.model.api.User
 import com.commit451.gitlab.navigation.Navigator
+import com.commit451.gitlab.rx.CustomCompleteObserver
 import com.commit451.gitlab.rx.CustomResponseSingleObserver
-import com.commit451.gitlab.rx.CustomSingleObserver
 import com.commit451.gitlab.util.LinkHeaderParser
 import com.commit451.gitlab.viewHolder.ProjectMemberViewHolder
 import com.trello.rxlifecycle2.android.FragmentEvent
@@ -93,7 +93,7 @@ class ProjectMembersFragment : ButterKnifeFragment() {
                 this@ProjectMembersFragment.member = member
                 App.get().gitLab.removeProjectMember(project!!.id, member.id)
                         .setup(bindUntilEvent(FragmentEvent.DESTROY_VIEW))
-                        .subscribe(object : CustomSingleObserver<String>() {
+                        .subscribe(object : CustomCompleteObserver() {
                             override fun error(t: Throwable) {
                                 Timber.e(t)
@@ -101,7 +101,7 @@ class ProjectMembersFragment : ButterKnifeFragment() {
                                         .show()
                             }
-                            override fun success(s: String) {
+                            override fun complete() {
                                 adapterProjectMembers.removeMember(this@ProjectMembersFragment.member!!)
                             }
                         })