Add GraphQL API to revert vulnerabilities to detected state

This change adds new GraphQL mutation to revert vulnerabilities to
detected state.

doc/api/graphql/reference/gitlab_schema.graphql

@@ -11521,6 +11521,7 @@ type Mutation {
   pipelineRetry(input: PipelineRetryInput!): PipelineRetryPayload
   removeAwardEmoji(input: RemoveAwardEmojiInput!): RemoveAwardEmojiPayload @deprecated(reason: "Use awardEmojiRemove. Deprecated in 13.2")
   removeProjectFromSecurityDashboard(input: RemoveProjectFromSecurityDashboardInput!): RemoveProjectFromSecurityDashboardPayload
+  revertVulnerabilityToDetected(input: RevertVulnerabilityToDetectedInput!): RevertVulnerabilityToDetectedPayload
   runDastScan(input: RunDASTScanInput!): RunDASTScanPayload @deprecated(reason: "Use DastOnDemandScanCreate. Deprecated in 13.4")
   todoMarkDone(input: TodoMarkDoneInput!): TodoMarkDonePayload
   todoRestore(input: TodoRestoreInput!): TodoRestorePayload
@@ -15731,6 +15732,41 @@ interface ResolvableInterface {
   resolvedBy: User
 }
 
+"""
+Autogenerated input type of RevertVulnerabilityToDetected
+"""
+input RevertVulnerabilityToDetectedInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  ID of the vulnerability to be reverted
+  """
+  id: VulnerabilityID!
+}
+
+"""
+Autogenerated return type of RevertVulnerabilityToDetected
+"""
+type RevertVulnerabilityToDetectedPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+
+  """
+  The vulnerability after revert
+  """
+  vulnerability: Vulnerability
+}
+
 type RootStorageStatistics {
   """
   The CI artifacts size in bytes

doc/api/graphql/reference/gitlab_schema.json

@@ -33593,6 +33593,33 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "revertVulnerabilityToDetected",
+              "description": null,
+              "args": [
+                {
+                  "name": "input",
+                  "description": null,
+                  "type": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "INPUT_OBJECT",
+                      "name": "RevertVulnerabilityToDetectedInput",
+                      "ofType": null
+                    }
+                  },
+                  "defaultValue": null
+                }
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "RevertVulnerabilityToDetectedPayload",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "runDastScan",
               "description": null,
@@ -45571,6 +45598,108 @@
             }
           ]
         },
+        {
+          "kind": "INPUT_OBJECT",
+          "name": "RevertVulnerabilityToDetectedInput",
+          "description": "Autogenerated input type of RevertVulnerabilityToDetected",
+          "fields": null,
+          "inputFields": [
+            {
+              "name": "id",
+              "description": "ID of the vulnerability to be reverted",
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "VulnerabilityID",
+                  "ofType": null
+                }
+              },
+              "defaultValue": null
+            },
+            {
+              "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": "RevertVulnerabilityToDetectedPayload",
+          "description": "Autogenerated return type of RevertVulnerabilityToDetected",
+          "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": "Errors encountered during execution of the mutation.",
+              "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": "vulnerability",
+              "description": "The vulnerability after revert",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "Vulnerability",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "inputFields": null,
+          "interfaces": [
+
+          ],
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "RootStorageStatistics",

doc/api/graphql/reference/index.md

@@ -2141,6 +2141,16 @@ Counts of requirements by their state.
 | `archived` | Int | Number of archived requirements |
 | `opened` | Int | Number of opened requirements |
 
+### RevertVulnerabilityToDetectedPayload
+
+Autogenerated return type of RevertVulnerabilityToDetected.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+| `vulnerability` | Vulnerability | The vulnerability after revert |
+
 ### RootStorageStatistics
 
 | Field | Type | Description |

ee/app/graphql/ee/types/mutation_type.rb

@@ -25,6 +25,7 @@ module EE
         mount_mutation ::Mutations::Vulnerabilities::Dismiss
         mount_mutation ::Mutations::Vulnerabilities::Resolve
         mount_mutation ::Mutations::Vulnerabilities::Confirm
+        mount_mutation ::Mutations::Vulnerabilities::RevertToDetected
         mount_mutation ::Mutations::Boards::Update
         mount_mutation ::Mutations::Boards::Lists::UpdateLimitMetrics
         mount_mutation ::Mutations::InstanceSecurityDashboard::AddProject

ee/app/graphql/mutations/vulnerabilities/revert_to_detected.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Vulnerabilities
+    class RevertToDetected < BaseMutation
+      graphql_name 'RevertVulnerabilityToDetected'
+
+      authorize :admin_vulnerability
+
+      field :vulnerability, Types::VulnerabilityType,
+            null: true,
+            description: 'The vulnerability after revert'
+
+      argument :id,
+               ::Types::GlobalIDType[::Vulnerability],
+               required: true,
+               description: 'ID of the vulnerability to be reverted'
+
+      def resolve(id:)
+        vulnerability = authorized_find!(id: id)
+        result = ::Vulnerabilities::RevertToDetectedService.new(current_user, vulnerability).execute
+
+        {
+          vulnerability: result,
+          errors: result.errors.full_messages || []
+        }
+      end
+
+      private
+
+      def find_object(id:)
+        GitlabSchema.object_from_id(id, expected_type: ::Vulnerability)
+      end
+    end
+  end
+end

ee/changelogs/unreleased/230558-add-graphql-api-to-reverting-vulnerabilities-to-detected.yml

+---
+title: Add GraphQL API to revert vulnerabilities to detected state
+merge_request: 41786
+author:
+type: added

ee/spec/graphql/mutations/vulnerabilities/revert_to_detected_spec.rb

+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe Mutations::Vulnerabilities::RevertToDetected do
+  let(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
+
+  specify { expect(described_class).to require_graphql_authorizations(:admin_vulnerability) }
+
+  describe '#resolve' do
+    let_it_be(:vulnerability) { create(:vulnerability, :dismissed, :with_findings) }
+    let_it_be(:user) { create(:user) }
+
+    let(:mutated_vulnerability) { subject[:vulnerability] }
+
+    subject { mutation.resolve(id: GitlabSchema.id_from_object(vulnerability).to_s) }
+
+    context 'when the user can revert the vulnerability to detected' do
+      before do
+        stub_licensed_features(security_dashboard: true)
+      end
+
+      context 'when user does not have access to the project' do
+        it 'raises an error' do
+          expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+        end
+      end
+
+      context 'when user has access to the project' do
+        before do
+          vulnerability.project.add_developer(user)
+        end
+
+        it 'returns the vulnerability back in detected state' do
+          expect(mutated_vulnerability).to eq(vulnerability)
+          expect(mutated_vulnerability).to be_detected
+          expect(subject[:errors]).to be_empty
+        end
+      end
+    end
+  end
+end