ListProjects: Allow to filter list by project state

Bug: Issue 7747
Change-Id: Ibf39b408fce8e76a61706ae45da433faaf0391f2

Documentation/rest-api-projects.txt

@@ -325,7 +325,8 @@ GET /projects/?type=PERMISSIONS HTTP/1.0
 ----
 
 All::
-Get all projects, including those whose state is "HIDDEN".
+Get all projects, including those whose state is "HIDDEN". May not be used
+together with the `state` option.
 +
 .Request
 ----
@@ -351,6 +352,30 @@ GET /projects/?all HTTP/1.0
   }
 ----
 
+State(s)::
+Get all projects with the given state. May not be used together with the
+`all` option.
++
+.Request
+----
+GET /projects/?state=HIDDEN HTTP/1.0
+----
++
+.Response
+----
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json; charset=UTF-8
+
+  )]}'
+  {
+    "some-other-project": {
+      "id": "some-other-project",
+      "state": "HIDDEN"
+    }
+  }
+----
+
 [[query-projects]]
 === Query Projects
 --

java/com/google/gerrit/extensions/api/projects/Projects.java

@@ -14,6 +14,7 @@
 
 package com.google.gerrit.extensions.api.projects;
 
+import com.google.gerrit.extensions.client.ProjectState;
 import com.google.gerrit.extensions.common.ProjectInfo;
 import com.google.gerrit.extensions.restapi.NotImplementedException;
 import com.google.gerrit.extensions.restapi.RestApiException;
@@ -94,6 +95,7 @@ public interface Projects {
     private boolean showTree;
     private boolean all;
     private FilterType type = FilterType.ALL;
+    private ProjectState state = null;
 
     public List<ProjectInfo> get() throws RestApiException {
       Map<String, ProjectInfo> map = getAsMap();
@@ -158,6 +160,11 @@ public interface Projects {
       return this;
     }
 
+    public ListRequest withState(ProjectState state) {
+      this.state = state;
+      return this;
+    }
+
     public boolean getDescription() {
       return description;
     }
@@ -197,6 +204,10 @@ public interface Projects {
     public boolean isAll() {
       return all;
     }
+
+    public ProjectState getState() {
+      return state;
+    }
   }
 
   /**

java/com/google/gerrit/server/api/projects/ProjectsImpl.java

@@ -131,6 +131,8 @@ class ProjectsImpl implements Projects {
 
     lp.setAll(request.isAll());
 
+    lp.setState(request.getState());
+
     return lp.apply();
   }
 

java/com/google/gerrit/server/project/ListProjects.java

@@ -190,6 +190,15 @@ public class ListProjects implements RestReadView<TopLevelResource> {
     this.all = all;
   }
 
+  @Option(
+    name = "--state",
+    aliases = {"-s"},
+    usage = "filter by project state"
+  )
+  public void setState(com.google.gerrit.extensions.client.ProjectState state) {
+    this.state = state;
+  }
+
   @Option(
     name = "--limit",
     aliases = {"-n"},
@@ -249,6 +258,7 @@ public class ListProjects implements RestReadView<TopLevelResource> {
   private FilterType type = FilterType.ALL;
   private boolean showDescription;
   private boolean all;
+  private com.google.gerrit.extensions.client.ProjectState state;
   private int limit;
   private int start;
   private String matchPrefix;
@@ -318,6 +328,9 @@ public class ListProjects implements RestReadView<TopLevelResource> {
 
   public SortedMap<String, ProjectInfo> display(@Nullable OutputStream displayOutputStream)
       throws BadRequestException, PermissionBackendException {
+    if (all && state != null) {
+      throw new BadRequestException("'all' and 'state' may not be used together");
+    }
     if (groupUuid != null) {
       try {
         if (!groupControlFactory.controlFor(groupUuid).isVisible()) {
@@ -349,9 +362,14 @@ public class ListProjects implements RestReadView<TopLevelResource> {
     try {
       for (Project.NameKey projectName : filter(perm)) {
         final ProjectState e = projectCache.get(projectName);
-        if (e == null || (!all && e.getProject().getState() == HIDDEN)) {
+        if (e == null || (e.getProject().getState() == HIDDEN && !all && state != HIDDEN)) {
-          // If we can't get it from the cache, pretend its not present.
+          // If we can't get it from the cache, pretend it's not present.
-          // If all wasn't selected, and its HIDDEN, pretend its not present.
+          // If all wasn't selected, and it's HIDDEN, pretend it's not present.
+          // If state HIDDEN wasn't selected, and it's HIDDEN, pretend it's not present.
+          continue;
+        }
+
+        if (state != null && e.getProject().getState() != state) {
           continue;
         }
 

javatests/com/google/gerrit/acceptance/rest/project/ListProjectsIT.java

@@ -191,37 +191,56 @@ public class ListProjectsIT extends AbstractDaemonTest {
   }
 
   @Test
-  public void listWithHiddenProject() throws Exception {
+  public void listWithHiddenAndReadonlyProjects() throws Exception {
     Project.NameKey hidden = createProject("project-to-hide");
+    Project.NameKey readonly = createProject("project-to-read");
 
-    // The project is included because it was not hidden yet
+    // Set project read-only
+    ConfigInput input = new ConfigInput();
+    input.state = ProjectState.READ_ONLY;
+    ConfigInfo info = gApi.projects().name(readonly.get()).config(input);
+    assertThat(info.state).isEqualTo(input.state);
+
+    // The hidden project is included because it was not hidden yet.
+    // The read-only project is included.
     assertThatNameList(gApi.projects().list().get())
-        .containsExactly(allProjects, allUsers, project, hidden)
+        .containsExactly(allProjects, allUsers, project, hidden, readonly)
         .inOrder();
 
     // Hide the project
-    ConfigInput input = new ConfigInput();
     input.state = ProjectState.HIDDEN;
-    ConfigInfo info = gApi.projects().name(hidden.get()).config(input);
+    info = gApi.projects().name(hidden.get()).config(input);
     assertThat(info.state).isEqualTo(input.state);
 
     // Project is still accessible directly
     gApi.projects().name(hidden.get()).get();
 
-    // But is not included in the list
+    // Hidden project is not included in the list
     assertThatNameList(gApi.projects().list().get())
-        .containsExactly(allProjects, allUsers, project)
+        .containsExactly(allProjects, allUsers, project, readonly)
         .inOrder();
 
     // ALL filter applies to type, and doesn't include hidden state
     assertThatNameList(gApi.projects().list().withType(FilterType.ALL).get())
-        .containsExactly(allProjects, allUsers, project)
+        .containsExactly(allProjects, allUsers, project, readonly)
         .inOrder();
 
     // "All" boolean option causes hidden projects to be included
     assertThatNameList(gApi.projects().list().withAll(true).get())
-        .containsExactly(allProjects, allUsers, project, hidden)
+        .containsExactly(allProjects, allUsers, project, hidden, readonly)
         .inOrder();
+
+    // "State" option causes only the projects in that state to be included
+    assertThatNameList(gApi.projects().list().withState(ProjectState.HIDDEN).get())
+        .containsExactly(hidden);
+    assertThatNameList(gApi.projects().list().withState(ProjectState.READ_ONLY).get())
+        .containsExactly(readonly);
+    assertThatNameList(gApi.projects().list().withState(ProjectState.ACTIVE).get())
+        .containsExactly(allProjects, allUsers, project)
+        .inOrder();
+
+    // Cannot use "all" and "state" together
+    assertBadRequest(gApi.projects().list().withAll(true).withState(ProjectState.ACTIVE));
   }
 
   private void assertBadRequest(ListRequest req) throws Exception {