Add Conan GraphQL type to package

app/graphql/resolvers/package_details_resolver.rb

@@ -2,12 +2,20 @@
 
 module Resolvers
   class PackageDetailsResolver < BaseResolver
-    type ::Types::Packages::PackageType, null: true
+    type ::Types::Packages::PackageDetailsType, null: true
 
     argument :id, ::Types::GlobalIDType[::Packages::Package],
       required: true,
       description: 'The global ID of the package.'
 
+    def ready?(**args)
+      context[self.class] ||= { executions: 0 }
+      context[self.class][:executions] += 1
+      raise GraphQL::ExecutionError, "Package details can be requested only for one package at a time" if context[self.class][:executions] > 1
+
+      super
+    end
+
     def resolve(id:)
       # TODO: remove this line when the compatibility layer is removed
       # See: https://gitlab.com/gitlab-org/gitlab/-/issues/257883

app/graphql/types/packages/conan/file_metadatum_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    module Conan
+      class FileMetadatumType < BaseObject
+        graphql_name 'ConanFileMetadata'
+        description 'Conan file metadata'
+
+        implements Types::Packages::FileMetadataType
+
+        authorize :read_package
+
+        field :id, ::Types::GlobalIDType[::Packages::Conan::FileMetadatum], null: false, description: 'ID of the metadatum.'
+        field :recipe_revision, GraphQL::STRING_TYPE, null: false, description: 'Revision of the Conan recipe.'
+        field :package_revision, GraphQL::STRING_TYPE, null: true, description: 'Revision of the package.'
+        field :conan_package_reference, GraphQL::STRING_TYPE, null: true, description: 'Reference of the Conan package.'
+        field :conan_file_type, ::Types::Packages::Conan::MetadatumFileTypeEnum, null: false, description: 'Type of the Conan file.'
+      end
+    end
+  end
+end

app/graphql/types/packages/conan/metadatum_file_type_enum.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    module Conan
+      class MetadatumFileTypeEnum < BaseEnum
+        graphql_name 'ConanMetadatumFileTypeEnum'
+        description 'Conan file types'
+
+        ::Packages::Conan::FileMetadatum.conan_file_types.keys.each do |file|
+          value file.upcase, value: file, description: "A #{file.humanize(capitalize: false)} type."
+        end
+      end
+    end
+  end
+end

app/graphql/types/packages/conan/metadatum_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    module Conan
+      class MetadatumType < BaseObject
+        graphql_name 'ConanMetadata'
+        description 'Conan metadata'
+
+        authorize :read_package
+
+        field :id, ::Types::GlobalIDType[::Packages::Conan::Metadatum], null: false, description: 'ID of the metadatum.'
+        field :created_at, Types::TimeType, null: false, description: 'Date of creation.'
+        field :updated_at, Types::TimeType, null: false, description: 'Date of most recent update.'
+        field :package_username, GraphQL::STRING_TYPE, null: false, description: 'Username of the Conan package.'
+        field :package_channel, GraphQL::STRING_TYPE, null: false, description: 'Channel of the Conan package.'
+        field :recipe, GraphQL::STRING_TYPE, null: false, description: 'Recipe of the Conan package.'
+        field :recipe_path, GraphQL::STRING_TYPE, null: false, description: 'Recipe path of the Conan package.'
+      end
+    end
+  end
+end

app/graphql/types/packages/file_metadata_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    module FileMetadataType
+      include ::Types::BaseInterface
+      graphql_name 'PackageFileMetadata'
+      description 'Represents metadata associated with a Package file'
+
+      field :created_at, ::Types::TimeType, null: false, description: 'Date of creation.'
+      field :updated_at, ::Types::TimeType, null: false, description: 'Date of most recent update.'
+
+      def self.resolve_type(object, context)
+        case object
+        when ::Packages::Conan::FileMetadatum
+          ::Types::Packages::Conan::FileMetadatumType
+        else
+          # NOTE: This method must be kept in sync with `PackageFileType#file_metadata`,
+          # which must never produce data that this discriminator cannot handle.
+          raise 'Unsupported file metadata type'
+        end
+      end
+
+      orphan_types Types::Packages::Conan::FileMetadatumType
+    end
+  end
+end

app/graphql/types/packages/metadata_type.rb

@@ -6,12 +6,14 @@ module Types
       graphql_name 'PackageMetadata'
       description 'Represents metadata associated with a Package'
 
-      possible_types ::Types::Packages::Composer::MetadatumType
+      possible_types ::Types::Packages::Composer::MetadatumType, ::Types::Packages::Conan::MetadatumType
 
       def self.resolve_type(object, context)
         case object
         when ::Packages::Composer::Metadatum
           ::Types::Packages::Composer::MetadatumType
+        when ::Packages::Conan::Metadatum
+          ::Types::Packages::Conan::MetadatumType
         else
           # NOTE: This method must be kept in sync with `PackageWithoutVersionsType#metadata`,
           # which must never produce data that this discriminator cannot handle.

app/graphql/types/packages/package_details_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    class PackageDetailsType < PackageType
+      graphql_name 'PackageDetailsType'
+      description 'Represents a package details in the Package Registry. Note that this type is in beta and susceptible to changes'
+      authorize :read_package
+
+      field :versions, ::Types::Packages::PackageType.connection_type, null: true,
+        description: 'The other versions of the package.'
+
+      field :package_files, Types::Packages::PackageFileType.connection_type, null: true, description: 'Package files.'
+
+      def versions
+        object.versions
+      end
+    end
+  end
+end

app/graphql/types/packages/package_file_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Packages
+    class PackageFileType < BaseObject
+      graphql_name 'PackageFile'
+      description 'Represents a package file'
+      authorize :read_package
+
+      field :id, ::Types::GlobalIDType[::Packages::PackageFile], null: false, description: 'ID of the file.'
+      field :created_at, Types::TimeType, null: false, description: 'The created date.'
+      field :updated_at, Types::TimeType, null: false, description: 'The updated date.'
+      field :size, GraphQL::STRING_TYPE, null: false, description: 'Size of the package file.'
+      field :file_name, GraphQL::STRING_TYPE, null: false, description: 'Name of the package file.'
+      field :download_path, GraphQL::STRING_TYPE, null: false, description: 'Download path of the package file.'
+      field :file_md5, GraphQL::STRING_TYPE, null: true, description: 'Md5 of the package file.'
+      field :file_sha1, GraphQL::STRING_TYPE, null: true, description: 'Sha1 of the package file.'
+      field :file_sha256, GraphQL::STRING_TYPE, null: true, description: 'Sha256 of the package file.'
+      field :file_metadata, Types::Packages::FileMetadataType, null: true,
+        description: 'File metadata.'
+
+      # NOTE: This method must be kept in sync with the union
+      # type: `Types::Packages::FileMetadataType`.
+      #
+      # `Types::Packages::FileMetadataType.resolve_type(metadata, ctx)` must never raise.
+      def file_metadata
+        case object.package.package_type
+        when 'conan'
+          object.conan_file_metadatum
+        else
+          nil
+        end
+      end
+    end
+  end
+end

app/graphql/types/packages/package_type.rb

@@ -2,13 +2,52 @@
 
 module Types
   module Packages
-    class PackageType < PackageWithoutVersionsType
+    class PackageType < ::Types::BaseObject
       graphql_name 'Package'
-      description 'Represents a package in the Package Registry'
+      description 'Represents a package in the Package Registry. Note that this type is in beta and susceptible to changes'
+
       authorize :read_package
 
-      field :versions, ::Types::Packages::PackageWithoutVersionsType.connection_type, null: true,
-        description: 'The other versions of the package.'
+      field :id, ::Types::GlobalIDType[::Packages::Package], null: false,
+            description: 'ID of the package.'
+
+      field :name, GraphQL::STRING_TYPE, null: false, description: 'Name of the package.'
+      field :created_at, Types::TimeType, null: false, description: 'Date of creation.'
+      field :updated_at, Types::TimeType, null: false, description: 'Date of most recent update.'
+      field :version, GraphQL::STRING_TYPE, null: true, description: 'Version string.'
+      field :package_type, Types::Packages::PackageTypeEnum, null: false, description: 'Package type.'
+      field :tags, Types::Packages::PackageTagType.connection_type, null: true, description: 'Package tags.'
+      field :project, Types::ProjectType, null: false, description: 'Project where the package is stored.'
+      field :pipelines, Types::Ci::PipelineType.connection_type, null: true,
+        description: 'Pipelines that built the package.'
+      field :metadata, Types::Packages::MetadataType, null: true,
+        description: 'Package metadata.'
+      field :versions, ::Types::Packages::PackageType.connection_type, null: true,
+        description: 'The other versions of the package.',
+        deprecated: { reason: 'This field is now only returned in the PackageDetailsType', milestone: '13.11' }
+
+      def project
+        Gitlab::Graphql::Loaders::BatchModelLoader.new(Project, object.project_id).find
+      end
+
+      def versions
+        []
+      end
+
+      # NOTE: This method must be kept in sync with the union
+      # type: `Types::Packages::MetadataType`.
+      #
+      # `Types::Packages::MetadataType.resolve_type(metadata, ctx)` must never raise.
+      def metadata
+        case object.package_type
+        when 'composer'
+          object.composer_metadatum
+        when 'conan'
+          object.conan_metadatum
+        else
+          nil
+        end
+      end
     end
   end
 end

app/graphql/types/packages/package_without_versions_type.rb

-# frozen_string_literal: true
-
-module Types
-  module Packages
-    class PackageWithoutVersionsType < ::Types::BaseObject
-      graphql_name 'PackageWithoutVersions'
-      description 'Represents a version of a package in the Package Registry'
-
-      authorize :read_package
-
-      field :id, ::Types::GlobalIDType[::Packages::Package], null: false,
-            description: 'ID of the package.'
-
-      field :name, GraphQL::STRING_TYPE, null: false, description: 'Name of the package.'
-      field :created_at, Types::TimeType, null: false, description: 'Date of creation.'
-      field :updated_at, Types::TimeType, null: false, description: 'Date of most recent update.'
-      field :version, GraphQL::STRING_TYPE, null: true, description: 'Version string.'
-      field :package_type, Types::Packages::PackageTypeEnum, null: false, description: 'Package type.'
-      field :tags, Types::Packages::PackageTagType.connection_type, null: true, description: 'Package tags.'
-      field :project, Types::ProjectType, null: false, description: 'Project where the package is stored.'
-      field :pipelines, Types::Ci::PipelineType.connection_type, null: true,
-        description: 'Pipelines that built the package.'
-      field :metadata, Types::Packages::MetadataType, null: true,
-        description: 'Package metadata.'
-
-      def project
-        Gitlab::Graphql::Loaders::BatchModelLoader.new(Project, object.project_id).find
-      end
-
-      # NOTE: This method must be kept in sync with the union
-      # type: `Types::Packages::MetadataType`.
-      #
-      # `Types::Packages::MetadataType.resolve_type(metadata, ctx)` must never raise.
-      def metadata
-        case object.package_type
-        when 'composer'
-          object.composer_metadatum
-        else
-          nil
-        end
-      end
-    end
-  end
-end

app/policies/packages/conan/file_metadatum_policy.rb

+# frozen_string_literal: true
+module Packages
+  module Conan
+    class FileMetadatumPolicy < BasePolicy
+      delegate { @subject.package_file.package }
+    end
+  end
+end

app/policies/packages/conan/metadatum_policy.rb

+# frozen_string_literal: true
+module Packages
+  module Conan
+    class MetadatumPolicy < BasePolicy
+      delegate { @subject.package }
+    end
+  end
+end

app/policies/packages/package_file_policy.rb

+# frozen_string_literal: true
+module Packages
+  class PackageFilePolicy < BasePolicy
+    delegate { @subject.package }
+  end
+end

changelogs/unreleased/285467-package-registry-graphql-api.yml

+---
+title: Add Conan GraphQL type to package
+merge_request: 57719
+author:
+type: added

doc/api/graphql/reference/index.md

@@ -215,7 +215,7 @@ Returns [`Namespace`](#namespace).
 
 Find a package.
 
-Returns [`Package`](#package).
+Returns [`PackageDetailsType`](#packagedetailstype).
 
 #### Arguments
 
@@ -1545,6 +1545,34 @@ Composer metadata.
 | `composerJson` | [`PackageComposerJsonType!`](#packagecomposerjsontype) | Data of the Composer JSON file. |
 | `targetSha` | [`String!`](#string) | Target SHA of the package. |
 
+### `ConanFileMetadata`
+
+Conan file metadata.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `conanFileType` | [`ConanMetadatumFileTypeEnum!`](#conanmetadatumfiletypeenum) | Type of the Conan file. |
+| `conanPackageReference` | [`String`](#string) | Reference of the Conan package. |
+| `createdAt` | [`Time!`](#time) | Date of creation. |
+| `id` | [`PackagesConanFileMetadatumID!`](#packagesconanfilemetadatumid) | ID of the metadatum. |
+| `packageRevision` | [`String`](#string) | Revision of the package. |
+| `recipeRevision` | [`String!`](#string) | Revision of the Conan recipe. |
+| `updatedAt` | [`Time!`](#time) | Date of most recent update. |
+
+### `ConanMetadata`
+
+Conan metadata.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `createdAt` | [`Time!`](#time) | Date of creation. |
+| `id` | [`PackagesConanMetadatumID!`](#packagesconanmetadatumid) | ID of the metadatum. |
+| `packageChannel` | [`String!`](#string) | Channel of the Conan package. |
+| `packageUsername` | [`String!`](#string) | Username of the Conan package. |
+| `recipe` | [`String!`](#string) | Recipe of the Conan package. |
+| `recipePath` | [`String!`](#string) | Recipe path of the Conan package. |
+| `updatedAt` | [`Time!`](#time) | Date of most recent update. |
+
 ### `ConfigureSastPayload`
 
 Autogenerated return type of ConfigureSast.
@@ -4495,7 +4523,7 @@ Autogenerated return type of OncallScheduleUpdate.
 
 ### `Package`
 
-Represents a package in the Package Registry.
+Represents a package in the Package Registry. Note that this type is in beta and susceptible to changes.
 
 | Field | Type | Description |
 | ----- | ---- | ----------- |
@@ -4509,7 +4537,7 @@ Represents a package in the Package Registry.
 | `tags` | [`PackageTagConnection`](#packagetagconnection) | Package tags. |
 | `updatedAt` | [`Time!`](#time) | Date of most recent update. |
 | `version` | [`String`](#string) | Version string. |
-| `versions` | [`PackageWithoutVersionsConnection`](#packagewithoutversionsconnection) | The other versions of the package. |
+| `versions` **{warning-solid}** | [`PackageConnection`](#packageconnection) | **Deprecated** in 13.11. This field is now only returned in the PackageDetailsType. |
 
 ### `PackageComposerJsonType`
 
@@ -4532,6 +4560,25 @@ The connection type for Package.
 | `nodes` | [`[Package]`](#package) | A list of nodes. |
 | `pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
 
+### `PackageDetailsType`
+
+Represents a package details in the Package Registry. Note that this type is in beta and susceptible to changes.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `createdAt` | [`Time!`](#time) | Date of creation. |
+| `id` | [`PackagesPackageID!`](#packagespackageid) | ID of the package. |
+| `metadata` | [`PackageMetadata`](#packagemetadata) | Package metadata. |
+| `name` | [`String!`](#string) | Name of the package. |
+| `packageFiles` | [`PackageFileConnection`](#packagefileconnection) | Package files. |
+| `packageType` | [`PackageTypeEnum!`](#packagetypeenum) | Package type. |
+| `pipelines` | [`PipelineConnection`](#pipelineconnection) | Pipelines that built the package. |
+| `project` | [`Project!`](#project) | Project where the package is stored. |
+| `tags` | [`PackageTagConnection`](#packagetagconnection) | Package tags. |
+| `updatedAt` | [`Time!`](#time) | Date of most recent update. |
+| `version` | [`String`](#string) | Version string. |
+| `versions` | [`PackageConnection`](#packageconnection) | The other versions of the package. |
+
 ### `PackageEdge`
 
 An edge in a connection.
@@ -4541,6 +4588,42 @@ An edge in a connection.
 | `cursor` | [`String!`](#string) | A cursor for use in pagination. |
 | `node` | [`Package`](#package) | The item at the end of the edge. |
 
+### `PackageFile`
+
+Represents a package file.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `createdAt` | [`Time!`](#time) | The created date. |
+| `downloadPath` | [`String!`](#string) | Download path of the package file. |
+| `fileMd5` | [`String`](#string) | Md5 of the package file. |
+| `fileMetadata` | [`PackageFileMetadata`](#packagefilemetadata) | File metadata. |
+| `fileName` | [`String!`](#string) | Name of the package file. |
+| `fileSha1` | [`String`](#string) | Sha1 of the package file. |
+| `fileSha256` | [`String`](#string) | Sha256 of the package file. |
+| `id` | [`PackagesPackageFileID!`](#packagespackagefileid) | ID of the file. |
+| `size` | [`String!`](#string) | Size of the package file. |
+| `updatedAt` | [`Time!`](#time) | The updated date. |
+
+### `PackageFileConnection`
+
+The connection type for PackageFile.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `edges` | [`[PackageFileEdge]`](#packagefileedge) | A list of edges. |
+| `nodes` | [`[PackageFile]`](#packagefile) | A list of nodes. |
+| `pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
+
+### `PackageFileEdge`
+
+An edge in a connection.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `cursor` | [`String!`](#string) | A cursor for use in pagination. |
+| `node` | [`PackageFile`](#packagefile) | The item at the end of the edge. |
+
 ### `PackageFileRegistry`
 
 Represents the Geo sync and verification state of a package file.
@@ -4614,42 +4697,6 @@ An edge in a connection.
 | `cursor` | [`String!`](#string) | A cursor for use in pagination. |
 | `node` | [`PackageTag`](#packagetag) | The item at the end of the edge. |
 
-### `PackageWithoutVersions`
-
-Represents a version of a package in the Package Registry.
-
-| Field | Type | Description |
-| ----- | ---- | ----------- |
-| `createdAt` | [`Time!`](#time) | Date of creation. |
-| `id` | [`PackagesPackageID!`](#packagespackageid) | ID of the package. |
-| `metadata` | [`PackageMetadata`](#packagemetadata) | Package metadata. |
-| `name` | [`String!`](#string) | Name of the package. |
-| `packageType` | [`PackageTypeEnum!`](#packagetypeenum) | Package type. |
-| `pipelines` | [`PipelineConnection`](#pipelineconnection) | Pipelines that built the package. |
-| `project` | [`Project!`](#project) | Project where the package is stored. |
-| `tags` | [`PackageTagConnection`](#packagetagconnection) | Package tags. |
-| `updatedAt` | [`Time!`](#time) | Date of most recent update. |
-| `version` | [`String`](#string) | Version string. |
-
-### `PackageWithoutVersionsConnection`
-
-The connection type for PackageWithoutVersions.
-
-| Field | Type | Description |
-| ----- | ---- | ----------- |
-| `edges` | [`[PackageWithoutVersionsEdge]`](#packagewithoutversionsedge) | A list of edges. |
-| `nodes` | [`[PackageWithoutVersions]`](#packagewithoutversions) | A list of nodes. |
-| `pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
-
-### `PackageWithoutVersionsEdge`
-
-An edge in a connection.
-
-| Field | Type | Description |
-| ----- | ---- | ----------- |
-| `cursor` | [`String!`](#string) | A cursor for use in pagination. |
-| `node` | [`PackageWithoutVersions`](#packagewithoutversions) | The item at the end of the edge. |
-
 ### `PageInfo`
 
 Information about pagination in a connection.
@@ -7530,6 +7577,15 @@ Mode of a commit action.
 | `BASE64` | Base64 encoding. |
 | `TEXT` | Text encoding. |
 
+### `ConanMetadatumFileTypeEnum`
+
+Conan file types.
+
+| Value | Description |
+| ----- | ----------- |
+| `PACKAGE_FILE` | A package file type. |
+| `RECIPE_FILE` | A recipe file type. |
+
 ### `ContainerExpirationPolicyCadenceEnum`
 
 | Value | Description |
@@ -8788,6 +8844,24 @@ A `NoteableID` is a global ID. It is encoded as a string.
 
 An example `NoteableID` is: `"gid://gitlab/Noteable/1"`.
 
+### `PackagesConanFileMetadatumID`
+
+A `PackagesConanFileMetadatumID` is a global ID. It is encoded as a string.
+
+An example `PackagesConanFileMetadatumID` is: `"gid://gitlab/Packages::Conan::FileMetadatum/1"`.
+
+### `PackagesConanMetadatumID`
+
+A `PackagesConanMetadatumID` is a global ID. It is encoded as a string.
+
+An example `PackagesConanMetadatumID` is: `"gid://gitlab/Packages::Conan::Metadatum/1"`.
+
+### `PackagesPackageFileID`
+
+A `PackagesPackageFileID` is a global ID. It is encoded as a string.
+
+An example `PackagesPackageFileID` is: `"gid://gitlab/Packages::PackageFile/1"`.
+
 ### `PackagesPackageID`
 
 A `PackagesPackageID` is a global ID. It is encoded as a string.
@@ -8896,6 +8970,7 @@ Represents metadata associated with a Package.
 One of:
 
 - [`ComposerMetadata`](#composermetadata)
+- [`ConanMetadata`](#conanmetadata)
 
 #### `VulnerabilityDetail`
 
@@ -9048,6 +9123,19 @@ Implementations:
 | `discussions` | [`DiscussionConnection!`](#discussionconnection) | All discussions on this noteable. |
 | `notes` | [`NoteConnection!`](#noteconnection) | All notes on this noteable. |
 
+#### `PackageFileMetadata`
+
+Represents metadata associated with a Package file.
+
+Implementations:
+
+- [`ConanFileMetadata`](#conanfilemetadata)
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `createdAt` | [`Time!`](#time) | Date of creation. |
+| `updatedAt` | [`Time!`](#time) | Date of most recent update. |
+
 #### `ResolvableInterface`
 
 Implementations:

spec/fixtures/api/schemas/graphql/packages/package_conan_metadata.json

+{
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "createdAt",
+    "updatedAt",
+    "packageUsername",
+    "packageChannel",
+    "recipe",
+    "recipePath",
+    "packageName"
+  ],
+  "properties": {
+    "id": {
+      "type": "string"
+    },
+    "created_at": {
+      "type": "string"
+    },
+    "updated_at": {
+      "type": "string"
+    },
+    "package_username": {
+      "type": "string"
+    },
+    "package_channel": {
+      "type": "string"
+    },
+    "recipe": {
+      "type": "string"
+    },
+    "recipe_path": {
+      "type": "string"
+    }
+  }
+}

spec/fixtures/api/schemas/graphql/packages/package_details.json

@@ -2,8 +2,17 @@
   "type": "object",
   "additionalProperties": false,
   "required": [
-    "id", "name", "createdAt", "updatedAt", "version", "packageType",
-    "project", "tags", "pipelines", "versions", "metadata"
+    "id",
+    "name",
+    "createdAt",
+    "updatedAt",
+    "version",
+    "packageType",
+    "project",
+    "tags",
+    "pipelines",
+    "versions",
+    "metadata"
   ],
   "properties": {
     "id": {
@@ -23,7 +32,18 @@
     },
     "packageType": {
       "type": ["string"],
-      "enum": ["MAVEN", "NPM", "CONAN", "NUGET", "PYPI", "COMPOSER", "GENERIC", "GOLANG", "RUBYGEMS", "DEBIAN"]
+      "enum": [
+        "MAVEN",
+        "NPM",
+        "CONAN",
+        "NUGET",
+        "PYPI",
+        "COMPOSER",
+        "GENERIC",
+        "GOLANG",
+        "RUBYGEMS",
+        "DEBIAN"
+      ]
     },
     "tags": {
       "type": "object",
@@ -59,8 +79,18 @@
     "metadata": {
       "anyOf": [
         { "$ref": "./package_composer_metadata.json" },
+        { "$ref": "./package_conan_metadata.json" },
         { "type": "null" }
       ]
+    },
+    "packageFiles": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "pageInfo": { "type": "object" },
+        "edges": { "type": "array" },
+        "nodes": { "type": "array" }
+      }
     }
   }
 }

spec/graphql/types/packages/conan/file_metadatum_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['ConanFileMetadata'] do
+  it 'includes conan file metadatum fields' do
+    expected_fields = %w[
+      id created_at updated_at recipe_revision package_revision conan_package_reference conan_file_type
+    ]
+
+    expect(described_class).to include_graphql_fields(*expected_fields)
+  end
+end

spec/graphql/types/packages/conan/metadatum_file_type_enum_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['ConanMetadatumFileTypeEnum'] do
+  it 'uses all possible options from model' do
+    expected_keys = ::Packages::Conan::FileMetadatum.conan_file_types
+      .keys
+      .map(&:upcase)
+
+    expect(described_class.values.keys).to contain_exactly(*expected_keys)
+  end
+end

spec/graphql/types/packages/conan/metadatum_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['ConanMetadata'] do
+  it 'includes conan metadatum fields' do
+    expected_fields = %w[
+      id created_at updated_at package_username package_channel recipe recipe_path
+    ]
+
+    expect(described_class).to include_graphql_fields(*expected_fields)
+  end
+end

spec/graphql/types/packages/package_without_versions_type_spec.rb → spec/graphql/types/packages/package_details_type_spec.rb

@@ -2,10 +2,10 @@
 
 require 'spec_helper'
 
-RSpec.describe GitlabSchema.types['PackageWithoutVersions'] do
+RSpec.describe GitlabSchema.types['PackageDetailsType'] do
   it 'includes all the package fields' do
     expected_fields = %w[
-      id name version created_at updated_at package_type tags project pipelines
+      id name version created_at updated_at package_type tags project pipelines versions package_files
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)

spec/graphql/types/packages/package_file_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['PackageFile'] do
+  it 'includes package file fields' do
+    expected_fields = %w[
+      id file_name created_at updated_at size file_name download_path file_md5 file_sha1 file_sha256 file_metadata
+    ]
+
+    expect(described_class).to include_graphql_fields(*expected_fields)
+  end
+end

spec/graphql/types/packages/package_type_spec.rb

@@ -8,7 +8,7 @@ RSpec.describe GitlabSchema.types['Package'] do
       id name version package_type
       created_at updated_at
       project
-      tags pipelines versions
+      tags pipelines metadata versions
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)

spec/graphql/types/query_type_spec.rb

@@ -98,6 +98,6 @@ RSpec.describe GitlabSchema.types['Query'] do
   describe 'package field' do
     subject { described_class.fields['package'] }
 
-    it { is_expected.to have_graphql_type(Types::Packages::PackageType) }
+    it { is_expected.to have_graphql_type(Types::Packages::PackageDetailsType) }
   end
 end

spec/requests/api/graphql/packages/package_spec.rb

@@ -2,33 +2,47 @@
 require 'spec_helper'
 
 RSpec.describe 'package details' do
-  using RSpec::Parameterized::TableSyntax
   include GraphqlHelpers
 
   let_it_be(:project) { create(:project) }
-  let_it_be(:package) { create(:composer_package, project: project) }
+  let_it_be(:composer_package) { create(:composer_package, project: project) }
   let_it_be(:composer_json) { { name: 'name', type: 'type', license: 'license', version: 1 } }
   let_it_be(:composer_metadatum) do
     # we are forced to manually create the metadatum, without using the factory to force the sha to be a string
     # and avoid an error where gitaly can't find the repository
-    create(:composer_metadatum, package: package, target_sha: 'foo_sha', composer_json: composer_json)
+    create(:composer_metadatum, package: composer_package, target_sha: 'foo_sha', composer_json: composer_json)
   end
 
   let(:depth) { 3 }
-  let(:excluded) { %w[metadata apiFuzzingCiConfiguration pipeline] }
+  let(:excluded) { %w[metadata apiFuzzingCiConfiguration pipeline packageFiles] }
+  let(:metadata) { query_graphql_fragment('ComposerMetadata') }
+  let(:package_files) {all_graphql_fields_for('PackageFile')}
+  let(:package_files_metadata) {query_graphql_fragment('ConanFileMetadata')}
 
   let(:query) do
     graphql_query_for(:package, { id: package_global_id }, <<~FIELDS)
-    #{all_graphql_fields_for('Package', max_depth: depth, excluded: excluded)}
+    #{all_graphql_fields_for('PackageDetailsType', max_depth: depth, excluded: excluded)}
     metadata {
-      #{query_graphql_fragment('ComposerMetadata')}
+      #{metadata}
+    }
+    packageFiles {
+      nodes {
+        #{package_files}
+        fileMetadata {
+          #{package_files_metadata}
+        }
+      }
     }
     FIELDS
   end
 
   let(:user) { project.owner }
-  let(:package_global_id) { global_id_of(package) }
+  let(:package_global_id) { global_id_of(composer_package) }
   let(:package_details) { graphql_data_at(:package) }
+  let(:metadata_response) { graphql_data_at(:package, :metadata) }
+  let(:package_files_response) { graphql_data_at(:package, :package_files, :nodes) }
+  let(:first_file_response) { graphql_data_at(:package, :package_files, :nodes, 0)}
+  let(:first_file_response_metadata) { graphql_data_at(:package, :package_files, :nodes, 0, :file_metadata)}
 
   subject { post_graphql(query, current_user: user) }
 
@@ -40,23 +54,76 @@ RSpec.describe 'package details' do
     it 'matches the JSON schema' do
       expect(package_details).to match_schema('graphql/packages/package_details')
     end
+  end
 
-    it 'includes the fields of the correct package' do
-      expect(package_details).to include(
-        'id' => package_global_id,
-        'metadata' => {
+  describe 'Packages Metadata' do
+    before do
+      subject
+    end
+
+    describe 'Composer' do
+      it 'has the correct metadata' do
+        expect(metadata_response).to include(
           'targetSha' => 'foo_sha',
           'composerJson' => composer_json.transform_keys(&:to_s).transform_values(&:to_s)
-        }
+        )
+      end
+
+      it 'does not have files' do
+        expect(package_files_response).to be_empty
+      end
+    end
+
+    describe 'Conan' do
+      let_it_be(:conan_package) { create(:conan_package, project: project) }
+
+      let(:package_global_id) { global_id_of(conan_package) }
+      let(:metadata) { query_graphql_fragment('ConanMetadata') }
+      let(:first_file) { conan_package.package_files.find { |f| global_id_of(f) == first_file_response['id'] } }
+
+      it 'has the correct metadata' do
+        expect(metadata_response).to include(
+          'id' => global_id_of(conan_package.conan_metadatum),
+          'recipe' => conan_package.conan_metadatum.recipe,
+          'packageChannel' => conan_package.conan_metadatum.package_channel,
+          'packageUsername' => conan_package.conan_metadatum.package_username,
+          'recipePath' => conan_package.conan_metadatum.recipe_path
+        )
+      end
+
+      it 'has the right amount of files' do
+        expect(package_files_response.length).to be(conan_package.package_files.length)
+      end
+
+      it 'has the basic package files data' do
+        expect(first_file_response).to include(
+          'id' => global_id_of(first_file),
+          'fileName' => first_file.file_name,
+          'size' => first_file.size.to_s,
+          'downloadPath' => first_file.download_path,
+          'fileSha1' => first_file.file_sha1,
+          'fileMd5' => first_file.file_md5,
+          'fileSha256' => first_file.file_sha256
+        )
+      end
+
+      it 'has the correct file metadata' do
+        expect(first_file_response_metadata).to include(
+          'id' =>  global_id_of(first_file.conan_file_metadatum),
+          'packageRevision' => first_file.conan_file_metadatum.package_revision,
+          'conanPackageReference' => first_file.conan_file_metadatum.conan_package_reference,
+          'recipeRevision' => first_file.conan_file_metadatum.recipe_revision,
+          'conanFileType' => first_file.conan_file_metadatum.conan_file_type.upcase
         )
       end
     end
+  end
 
   context 'there are other versions of this package' do
     let(:depth) { 3 }
     let(:excluded) { %w[metadata project tags pipelines] } # to limit the query complexity
 
-    let_it_be(:siblings) { create_list(:composer_package, 2, project: project, name: package.name) }
+    let_it_be(:siblings) { create_list(:composer_package, 2, project: project, name: composer_package.name) }
 
     it 'includes the sibling versions' do
       subject
@@ -73,8 +140,32 @@ RSpec.describe 'package details' do
         subject
 
         expect(graphql_data_at(:package, :versions, :nodes, :version)).to be_present
-        expect(graphql_data_at(:package, :versions, :nodes, :versions)).not_to be_present
+        expect(graphql_data_at(:package, :versions, :nodes, :versions, :nodes)).to be_empty
+      end
     end
   end
+
+  context 'with a batched query' do
+    let_it_be(:conan_package) { create(:conan_package, project: project) }
+
+    let(:batch_query) do
+      <<~QUERY
+      {
+        a: package(id: "#{global_id_of(composer_package)}") { name }
+        b: package(id: "#{global_id_of(conan_package)}") { name }
+      }
+      QUERY
+    end
+
+    let(:a_packages_names) { graphql_data_at(:a, :packages, :nodes, :name) }
+
+    it 'returns an error for the second package and data for the first' do
+      post_graphql(batch_query, current_user: user)
+
+      expect(graphql_data_at(:a, :name)).to eq(composer_package.name)
+
+      expect_graphql_errors_to_include [/Package details can be requested only for one package at a time/]
+      expect(graphql_data_at(:b)).to be(nil)
+    end
   end
 end