Add graphql mutation to mark all todos as done

Also add specs

Change names of mutations

Apply suggestion to app/graphql/mutations/todos/mark_done.rb
Apply suggestion to app/graphql/mutations/todos/mark_done.rb
Apply suggestion to app/graphql/mutations/todos/mark_done.rb

app/graphql/mutations/todos/base.rb

@@ -9,6 +9,12 @@ module Mutations
         GitlabSchema.object_from_id(id)
       end
 
+      def map_to_global_ids(ids)
+        return [] if ids.blank?
+
+        ids.map { |id| to_global_id(id) }
+      end
+
       def to_global_id(id)
         ::URI::GID.build(app: GlobalID.app, model_name: Todo.name, model_id: id, params: nil).to_s
       end

app/graphql/mutations/todos/mark_all_done.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Todos
+    class MarkAllDone < ::Mutations::Todos::Base
+      graphql_name 'TodosMarkAllDone'
+
+      authorize :update_user
+
+      field :updated_ids,
+            [GraphQL::ID_TYPE],
+            null: false,
+            description: 'Ids of the updated todos'
+
+      def resolve
+        authorize!(current_user)
+
+        updated_ids = mark_all_todos_done
+
+        {
+          updated_ids: map_to_global_ids(updated_ids),
+          errors: []
+        }
+      end
+
+      private
+
+      def mark_all_todos_done
+        return [] unless current_user
+
+        TodoService.new.mark_all_todos_as_done_by_user(current_user)
+      end
+    end
+  end
+end

app/graphql/types/mutation_type.rb

@@ -22,6 +22,7 @@ module Types
     mount_mutation Mutations::Notes::Destroy
     mount_mutation Mutations::Todos::MarkDone
     mount_mutation Mutations::Todos::Restore
+    mount_mutation Mutations::Todos::MarkAllDone
   end
 end
 

app/services/todo_service.rb

@@ -174,6 +174,11 @@ class TodoService
     mark_todos_as_done(todos, current_user)
   end
 
+  def mark_all_todos_as_done_by_user(current_user)
+    todos = TodosFinder.new(current_user).execute
+    mark_todos_as_done(todos, current_user)
+  end
+
   # When user marks some todos as pending
   def mark_todos_as_pending(todos, current_user)
     update_todos_state(todos, current_user, :pending)

changelogs/unreleased/31914-graphql-mark-all-todos-as-done-pd.yml

+---
+title: Add GraphQL mutation to mark all todos done for a user
+merge_request: 19482
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -3520,6 +3520,7 @@ type Mutation {
   removeAwardEmoji(input: RemoveAwardEmojiInput!): RemoveAwardEmojiPayload
   todoMarkDone(input: TodoMarkDoneInput!): TodoMarkDonePayload
   todoRestore(input: TodoRestoreInput!): TodoRestorePayload
+  todosMarkAllDone(input: TodosMarkAllDoneInput!): TodosMarkAllDonePayload
   toggleAwardEmoji(input: ToggleAwardEmojiInput!): ToggleAwardEmojiPayload
   updateEpic(input: UpdateEpicInput!): UpdateEpicPayload
   updateNote(input: UpdateNoteInput!): UpdateNotePayload
@@ -5060,6 +5061,36 @@ enum TodoTargetEnum {
   MERGEREQUEST
 }
 
+"""
+Autogenerated input type of TodosMarkAllDone
+"""
+input TodosMarkAllDoneInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+}
+
+"""
+Autogenerated return type of TodosMarkAllDone
+"""
+type TodosMarkAllDonePayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Reasons why the mutation failed.
+  """
+  errors: [String!]!
+
+  """
+  Ids of the updated todos
+  """
+  updatedIds: [ID!]!
+}
+
 """
 Autogenerated input type of ToggleAwardEmoji
 """

doc/api/graphql/reference/gitlab_schema.json

@@ -14355,6 +14355,33 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "todosMarkAllDone",
+              "description": null,
+              "args": [
+                {
+                  "name": "input",
+                  "description": null,
+                  "type": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "INPUT_OBJECT",
+                      "name": "TodosMarkAllDoneInput",
+                      "ofType": null
+                    }
+                  },
+                  "defaultValue": null
+                }
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "TodosMarkAllDonePayload",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "toggleAwardEmoji",
               "description": null,
@@ -16825,6 +16852,106 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "OBJECT",
+          "name": "TodosMarkAllDonePayload",
+          "description": "Autogenerated return type of TodosMarkAllDone",
+          "fields": [
+            {
+              "name": "clientMutationId",
+              "description": "A unique identifier for the client performing the mutation.",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "errors",
+              "description": "Reasons why the mutation failed.",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "LIST",
+                  "name": null,
+                  "ofType": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "SCALAR",
+                      "name": "String",
+                      "ofType": null
+                    }
+                  }
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "updatedIds",
+              "description": "Ids of the updated todos",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "LIST",
+                  "name": null,
+                  "ofType": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "SCALAR",
+                      "name": "ID",
+                      "ofType": null
+                    }
+                  }
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "inputFields": null,
+          "interfaces": [
+
+          ],
+          "enumValues": null,
+          "possibleTypes": null
+        },
+        {
+          "kind": "INPUT_OBJECT",
+          "name": "TodosMarkAllDoneInput",
+          "description": "Autogenerated input type of TodosMarkAllDone",
+          "fields": null,
+          "inputFields": [
+            {
+              "name": "clientMutationId",
+              "description": "A unique identifier for the client performing the mutation.",
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "defaultValue": null
+            }
+          ],
+          "interfaces": null,
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "DesignManagementUploadPayload",

doc/api/graphql/reference/index.md

@@ -785,6 +785,14 @@ The API can be explored interactively using the [GraphiQL IDE](../index.md#graph
 | `errors` | String! => Array | Reasons why the mutation failed. |
 | `todo` | Todo! | The requested todo |
 
+### TodosMarkAllDonePayload
+
+| Name  | Type  | Description |
+| ---   |  ---- | ----------  |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Reasons why the mutation failed. |
+| `updatedIds` | ID! => Array | Ids of the updated todos |
+
 ### ToggleAwardEmojiPayload
 
 | Name  | Type  | Description |

spec/graphql/mutations/todos/mark_all_done_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Mutations::Todos::MarkAllDone do
+  include GraphqlHelpers
+
+  let_it_be(:current_user) { create(:user) }
+  let_it_be(:author) { create(:user) }
+  let_it_be(:other_user) { create(:user) }
+
+  let_it_be(:todo1) { create(:todo, user: current_user, author: author, state: :pending) }
+  let_it_be(:todo2) { create(:todo, user: current_user, author: author, state: :done) }
+  let_it_be(:todo3) { create(:todo, user: current_user, author: author, state: :pending) }
+
+  let_it_be(:other_user_todo) { create(:todo, user: other_user, author: author, state: :pending) }
+
+  let_it_be(:user3) { create(:user) }
+
+  describe '#resolve' do
+    it 'marks all pending todos as done' do
+      updated_todo_ids = mutation_for(current_user).resolve.dig(:updated_ids)
+
+      expect(todo1.reload.state).to eq('done')
+      expect(todo2.reload.state).to eq('done')
+      expect(todo3.reload.state).to eq('done')
+      expect(other_user_todo.reload.state).to eq('pending')
+
+      expect(updated_todo_ids).to contain_exactly(global_id_of(todo1), global_id_of(todo3))
+    end
+
+    it 'behaves as expected if there are no todos for the requesting user' do
+      updated_todo_ids = mutation_for(user3).resolve.dig(:updated_ids)
+
+      expect(todo1.reload.state).to eq('pending')
+      expect(todo2.reload.state).to eq('done')
+      expect(todo3.reload.state).to eq('pending')
+      expect(other_user_todo.reload.state).to eq('pending')
+
+      expect(updated_todo_ids).to be_empty
+    end
+
+    context 'when user is not logged in' do
+      it 'fails with the expected error' do
+        expect { mutation_for(nil).resolve }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+      end
+    end
+  end
+
+  def mutation_for(user)
+    described_class.new(object: nil, context: { current_user: user })
+  end
+end

spec/graphql/mutations/todos/mark_done_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 describe Mutations::Todos::MarkDone do
+  include GraphqlHelpers
+
   let_it_be(:current_user) { create(:user) }
   let_it_be(:author) { create(:user) }
   let_it_be(:other_user) { create(:user) }
@@ -59,8 +61,4 @@ describe Mutations::Todos::MarkDone do
   def mark_done_mutation(todo)
     mutation.resolve(id: global_id_of(todo))
   end
-
-  def global_id_of(todo)
-    todo.to_global_id.to_s
-  end
 end

spec/requests/api/graphql/mutations/todos/mark_all_done_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Marking all todos done' do
+  include GraphqlHelpers
+
+  let_it_be(:current_user) { create(:user) }
+  let_it_be(:author) { create(:user) }
+  let_it_be(:other_user) { create(:user) }
+  let_it_be(:other_user2) { create(:user) }
+
+  let_it_be(:todo1) { create(:todo, user: current_user, author: author, state: :pending) }
+  let_it_be(:todo2) { create(:todo, user: current_user, author: author, state: :done) }
+  let_it_be(:todo3) { create(:todo, user: current_user, author: author, state: :pending) }
+
+  let_it_be(:other_user_todo) { create(:todo, user: other_user, author: author, state: :pending) }
+
+  let(:input) { {} }
+
+  let(:mutation) do
+    graphql_mutation(:todos_mark_all_done, input,
+                     <<-QL.strip_heredoc
+                       clientMutationId
+                       errors
+                       updatedIds
+                     QL
+    )
+  end
+
+  def mutation_response
+    graphql_mutation_response(:todos_mark_all_done)
+  end
+
+  it 'marks all pending todos as done' do
+    post_graphql_mutation(mutation, current_user: current_user)
+
+    expect(todo1.reload.state).to eq('done')
+    expect(todo2.reload.state).to eq('done')
+    expect(todo3.reload.state).to eq('done')
+    expect(other_user_todo.reload.state).to eq('pending')
+
+    updated_todo_ids = mutation_response['updatedIds']
+    expect(updated_todo_ids).to contain_exactly(global_id_of(todo1), global_id_of(todo3))
+  end
+
+  it 'behaves as expected if there are no todos for the requesting user' do
+    post_graphql_mutation(mutation, current_user: other_user2)
+
+    expect(todo1.reload.state).to eq('pending')
+    expect(todo2.reload.state).to eq('done')
+    expect(todo3.reload.state).to eq('pending')
+    expect(other_user_todo.reload.state).to eq('pending')
+
+    updated_todo_ids = mutation_response['updatedIds']
+    expect(updated_todo_ids).to be_empty
+  end
+
+  context 'when user is not logged in' do
+    let(:current_user) { nil }
+
+    it_behaves_like 'a mutation that returns top-level errors',
+                    errors: ['The resource that you are attempting to access does not exist or you don\'t have permission to perform this action']
+  end
+end

spec/services/todo_service_spec.rb

@@ -1015,6 +1015,21 @@ describe TodoService do
     end
   end
 
+  describe '#mark_all_todos_as_done_by_user' do
+    it 'marks all todos done' do
+      todo1 = create(:todo, user: john_doe, state: :pending)
+      todo2 = create(:todo, user: john_doe, state: :done)
+      todo3 = create(:todo, user: john_doe, state: :pending)
+
+      ids = described_class.new.mark_all_todos_as_done_by_user(john_doe)
+
+      expect(ids).to contain_exactly(todo1.id, todo3.id)
+      expect(todo1.reload.state).to eq('done')
+      expect(todo2.reload.state).to eq('done')
+      expect(todo3.reload.state).to eq('done')
+    end
+  end
+
   describe '#mark_todos_as_done_by_ids' do
     let(:issue) { create(:issue, project: project, author: author, assignees: [john_doe]) }
     let(:another_issue) { create(:issue, project: project, author: author, assignees: [john_doe]) }

spec/support/helpers/graphql_helpers.rb

@@ -297,6 +297,10 @@ module GraphqlHelpers
       extract_attribute ? item['node'][extract_attribute] : item['node']
     end
   end
+
+  def global_id_of(model)
+    model.to_global_id.to_s
+  end
 end
 
 # This warms our schema, doing this as part of loading the helpers to avoid