Refactor Project#to_reference and make full_path a keyword argument

app/models/issue.rb

@@ -97,10 +97,10 @@ class Issue < ActiveRecord::Base
     end
   end
 
-  def to_reference(from_project = nil, full: false)
+  def to_reference(from = nil, full_path: false)
     reference = "#{self.class.reference_prefix}#{iid}"
 
-    "#{project.to_reference(from_project, full: full)}#{reference}"
+    "#{project.to_reference(from, full_path: full_path)}#{reference}"
   end
 
   def referenced_merge_requests(current_user = nil)

app/models/project.rb

@@ -591,20 +591,10 @@ class Project < ActiveRecord::Base
     end
   end
 
-  def to_reference(from_project = nil, from_group = nil)
-    if from_group.nil?
-      if cross_namespace_reference?(from_project)
-        path_with_namespace
-      elsif cross_project_reference?(from_project)
-        path
-      elsif self == from_project
-        nil
-      else
-        path_with_namespace
-      end
-    else
-      path
-    end
+  def to_reference(from = nil, full_path: false)
+    return path_with_namespace if full_path
+
+    path_from(from)
   end
 
   def to_human_reference(from_project = nil)
@@ -1299,21 +1289,33 @@ class Project < ActiveRecord::Base
 
   private
 
+  def path_from(from)
+    if cross_namespace_reference?(from)
+      path_with_namespace
+    elsif cross_project_reference?(from)
+      path
+    end
+  end
+
+  def cross_namespace_reference?(from)
+    if from.is_a?(Project)
+      from && namespace != from.namespace
+    else
+      from && namespace != from
+    end
+  end
+
   # Check if a reference is being done cross-project
-  #
-  # from_project - Refering Project object
-  def cross_project_reference?(from_project)
-    from_project && self != from_project
+  def cross_project_reference?(from)
+    return true if from.is_a?(Namespace)
+
+    from && self != from
   end
 
   def pushes_since_gc_redis_key
     "projects/#{id}/pushes_since_gc"
   end
 
-  def cross_namespace_reference?(from_project)
-    from_project && namespace != from_project.namespace
-  end
-
   def default_branch_protected?
     current_application_settings.default_branch_protection == Gitlab::Access::PROTECTION_FULL ||
       current_application_settings.default_branch_protection == Gitlab::Access::PROTECTION_DEV_CAN_MERGE

app/views/projects/issues/_issue.html.haml

@@ -34,7 +34,13 @@
           = note_count
 
   .issue-info
-    #{issue.to_reference(@project, @group)} ·
+    - if controller_name == "dashboard"
+      #{issue.to_reference(full_path: true)}
+    - else
+      #{issue.to_reference(@group || @project)}
+
+    ·
+
     opened #{time_ago_with_tooltip(issue.created_at, placement: 'bottom')}
     by #{link_to_member(@project, issue.author, avatar: false)}
     - if issue.milestone

changelogs/unreleased/23634-remove-project-grouping.yml

+---
+title: Don't group issues by project on group-level and dashboard issue indexes.
+merge_request: 8111
+author: Bernardo Castro

spec/models/issue_spec.rb

@@ -23,19 +23,37 @@ describe Issue, models: true do
   end
 
   describe '#to_reference' do
-    let(:project) { build(:empty_project, name: 'sample-project') }
-    let(:issue) { build(:issue, iid: 1, project: project) }
+    let(:namespace) { build(:namespace, path: 'sample-namespace') }
+    let(:project)   { build(:empty_project, name: 'sample-project', namespace: namespace) }
+    let(:issue)     { build(:issue, iid: 1, project: project) }
+    let(:group)     { create(:group, name: 'Group', path: 'sample-group') }
+
+    context 'when nil argument' do
+      it 'returns issue id' do
+        expect(issue.to_reference).to eq "#1"
+      end
+    end
 
-    it 'returns a String reference to the object' do
-      expect(issue.to_reference).to eq "#{project.namespace.name}/sample-project#1"
+    context 'when full_path is true' do
+      it 'returns complete path to the issue' do
+        expect(issue.to_reference(full_path: true)).to          eq 'sample-namespace/sample-project#1'
+        expect(issue.to_reference(project, full_path: true)).to eq 'sample-namespace/sample-project#1'
+        expect(issue.to_reference(group, full_path: true)).to   eq 'sample-namespace/sample-project#1'
+      end
     end
 
-    it 'supports a project reference' do
-      expect(issue.to_reference(project)).to eq "#1"
+    context 'when same project argument' do
+      it 'returns issue id' do
+        expect(issue.to_reference(project)).to eq("#1")
+      end
     end
 
-    it 'returns a String reference with the full path' do
-      expect(issue.to_reference(full: true)).to eq(project.path_with_namespace + '#1')
+    context 'when cross namespace project argument' do
+      let(:another_namespace_project) { create(:empty_project, name: 'another-project') }
+
+      it 'returns complete path to the issue' do
+        expect(issue.to_reference(another_namespace_project)).to eq 'sample-namespace/sample-project#1'
+      end
     end
 
     it 'supports a cross-project reference' do
@@ -43,9 +61,35 @@ describe Issue, models: true do
       expect(issue.to_reference(another_project)).to eq "sample-project#1"
     end
 
-    it 'supports a group reference' do
-      group = build(:group, name: 'sample-group')
-      expect(issue.to_reference(nil, group)).to eq("sample-project#1")
+    context 'when same namespace / cross-project argument' do
+      let(:another_project) { create(:empty_project, namespace: namespace) }
+
+      it 'returns path to the issue with the project name' do
+        expect(issue.to_reference(another_project)).to eq 'sample-project#1'
+      end
+    end
+
+    context 'when different namespace / cross-project argument' do
+      let(:another_namespace) { create(:namespace, path: 'another-namespace') }
+      let(:another_project)   { create(:empty_project, path: 'another-project', namespace: another_namespace) }
+
+      it 'returns full path to the issue' do
+        expect(issue.to_reference(another_project)).to eq 'sample-namespace/sample-project#1'
+      end
+    end
+
+    context 'when argument is a namespace' do
+      context 'with same project path' do
+        it 'returns path to the issue with the project name' do
+          expect(issue.to_reference(namespace)).to eq 'sample-project#1'
+        end
+      end
+
+      context 'with different project path' do
+        it 'returns full path to the issue' do
+          expect(issue.to_reference(group)).to eq 'sample-namespace/sample-project#1'
+        end
+      end
     end
   end
 

spec/models/project_spec.rb

@@ -282,13 +282,22 @@ describe Project, models: true do
   end
 
   describe '#to_reference' do
-    let(:owner) { create(:user, name: 'Gitlab') }
+    let(:owner)     { create(:user, name: 'Gitlab') }
     let(:namespace) { create(:namespace, path: 'sample-namespace', owner: owner) }
-    let(:project) { create(:empty_project, path: 'sample-project', namespace: namespace) }
+    let(:project)   { create(:empty_project, path: 'sample-project', namespace: namespace) }
+    let(:group)     { create(:group, name: 'Group', path: 'sample-group', owner: owner) }
 
     context 'when nil argument' do
+      it 'returns nil' do
+        expect(project.to_reference).to be_nil
+      end
+    end
+
+    context 'when full_path is true' do
       it 'returns complete path to the project' do
-        expect(project.to_reference).to eq 'sample-namespace/sample-project'
+        expect(project.to_reference(full_path: true)).to          eq 'sample-namespace/sample-project'
+        expect(project.to_reference(project, full_path: true)).to eq 'sample-namespace/sample-project'
+        expect(project.to_reference(group, full_path: true)).to   eq 'sample-namespace/sample-project'
       end
     end
 
@@ -314,9 +323,26 @@ describe Project, models: true do
       end
     end
 
-    context 'when group argument' do
-      it 'returns path to the project' do
-        expect(project.to_reference(nil, namespace)).to eq 'sample-project'
+    context 'when different namespace / cross-project argument' do
+      let(:another_namespace) { create(:namespace, path: 'another-namespace', owner: owner) }
+      let(:another_project)   { create(:empty_project, path: 'another-project', namespace: another_namespace) }
+
+      it 'returns full path to the project' do
+        expect(project.to_reference(another_project)).to eq 'sample-namespace/sample-project'
+      end
+    end
+
+    context 'when argument is a namespace' do
+      context 'with same project path' do
+        it 'returns path to the project' do
+          expect(project.to_reference(namespace)).to eq 'sample-project'
+        end
+      end
+
+      context 'with different project path' do
+        it 'returns full path to the project' do
+          expect(project.to_reference(group)).to eq 'sample-namespace/sample-project'
+        end
       end
     end
   end