// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.streetview.publish.v1;

import "google/protobuf/field_mask.proto";
import "google/rpc/status.proto";
import "google/streetview/publish/v1/resources.proto";

option go_package = "google.golang.org/genproto/googleapis/streetview/publish/v1;publish";
option java_outer_classname = "StreetViewPublishRpcMessages";
option java_package = "com.google.geo.ugc.streetview.publish.v1";

// Specifies which view of the [Photo][google.streetview.publish.v1.Photo]
// to include in the response.
enum PhotoView {
  // Server reponses do not include the download URL for the photo bytes.
  // The default value.
  BASIC = 0;

  // Server responses include the download URL for the photo bytes.
  INCLUDE_DOWNLOAD_URL = 1;
}

// Request to create a [Photo][google.streetview.publish.v1.Photo].
message CreatePhotoRequest {
  // Required. Photo to create.
  Photo photo = 1;
}

// Request to get a [Photo][google.streetview.publish.v1.Photo].
//
// By default
//
// * does not return the download URL for the photo bytes.
//
// Parameters:
//
// * `view` controls if the download URL for the photo bytes is returned.
message GetPhotoRequest {
  // Required. ID of the [Photo][google.streetview.publish.v1.Photo].
  string photo_id = 1;

  // Specifies if a download URL for the photo bytes should be returned in the
  // [Photo][google.streetview.publish.v1.Photo] response.
  PhotoView view = 2;

  // The BCP-47 language code, such as "en-US" or "sr-Latn". For more
  // information, see
  // http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
  // If language_code is unspecified, the user's language preference for Google
  // services is used.
  string language_code = 3;
}

// Request to get one or more [Photos][google.streetview.publish.v1.Photo].
// By default
//
// * does not return the download URL for the photo bytes.
//
// Parameters:
//
// * `view` controls if the download URL for the photo bytes is returned.
message BatchGetPhotosRequest {
  // Required. IDs of the [Photos][google.streetview.publish.v1.Photo]. HTTP GET
  // requests require the following syntax for the URL query parameter:
  // `photoIds=<id1>&photoIds=<id2>&...`.
  repeated string photo_ids = 1;

  // Specifies if a download URL for the photo bytes should be returned in the
  // Photo response.
  PhotoView view = 2;

  // The BCP-47 language code, such as "en-US" or "sr-Latn". For more
  // information, see
  // http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
  // If language_code is unspecified, the user's language preference for Google
  // services is used.
  string language_code = 3;
}

// Response to batch get of [Photos][google.streetview.publish.v1.Photo].
message BatchGetPhotosResponse {
  // List of results for each individual
  // [Photo][google.streetview.publish.v1.Photo] requested, in the same order as
  // the requests in
  // [BatchGetPhotos][google.streetview.publish.v1.StreetViewPublishService.BatchGetPhotos].
  repeated PhotoResponse results = 1;
}

// Response payload for a single
// [Photo][google.streetview.publish.v1.Photo]
// in batch operations including
// [BatchGetPhotos][google.streetview.publish.v1.StreetViewPublishService.BatchGetPhotos]
// and
// [BatchUpdatePhotos][google.streetview.publish.v1.StreetViewPublishService.BatchUpdatePhotos].
message PhotoResponse {
  // The status for the operation to get or update a single photo in the batch
  // request.
  google.rpc.Status status = 1;

  // The [Photo][google.streetview.publish.v1.Photo] resource, if the request
  // was successful.
  Photo photo = 2;
}

// Request to list all photos that belong to the user sending the request.
//
// By default
//
// * does not return the download URL for the photo bytes.
//
// Parameters:
//
// * `view` controls if the download URL for the photo bytes is returned.
// * `pageSize` determines the maximum number of photos to return.
// * `pageToken` is the next page token value returned from a previous
// [ListPhotos][google.streetview.publish.v1.StreetViewPublishService.ListPhotos]
//     request, if any.
// * `filter` allows filtering by a given parameter. 'placeId' is the only
// parameter supported at the moment.
message ListPhotosRequest {
  // Specifies if a download URL for the photos bytes should be returned in the
  // Photos response.
  PhotoView view = 1;

  // The maximum number of photos to return.
  // `pageSize` must be non-negative. If `pageSize` is zero or is not provided,
  // the default page size of 100 is used.
  // The number of photos returned in the response may be less than `pageSize`
  // if the number of photos that belong to the user is less than `pageSize`.
  int32 page_size = 2;

  // The
  // [nextPageToken][google.streetview.publish.v1.ListPhotosResponse.next_page_token]
  // value returned from a previous
  // [ListPhotos][google.streetview.publish.v1.StreetViewPublishService.ListPhotos]
  // request, if any.
  string page_token = 3;

  // The filter expression. For example: `placeId=ChIJj61dQgK6j4AR4GeTYWZsKWw`.
  //
  // The only filter supported at the moment is `placeId`.
  string filter = 4;

  // The BCP-47 language code, such as "en-US" or "sr-Latn". For more
  // information, see
  // http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
  // If language_code is unspecified, the user's language preference for Google
  // services is used.
  string language_code = 5;
}

// Response to list all photos that belong to a user.
message ListPhotosResponse {
  // List of photos. The
  // [pageSize][google.streetview.publish.v1.ListPhotosRequest.page_size] field
  // in the request determines the number of items returned.
  repeated Photo photos = 1;

  // Token to retrieve the next page of results, or empty if there are no more
  // results in the list.
  string next_page_token = 2;
}

// Request to update the metadata of a
// [Photo][google.streetview.publish.v1.Photo]. Updating the pixels of a photo
// is not supported.
message UpdatePhotoRequest {
  // Required. [Photo][google.streetview.publish.v1.Photo] object containing the
  // new metadata.
  Photo photo = 1;

  // Mask that identifies fields on the photo metadata to update.
  // If not present, the old [Photo][google.streetview.publish.v1.Photo]
  // metadata is entirely replaced with the
  // new [Photo][google.streetview.publish.v1.Photo] metadata in this request.
  // The update fails if invalid fields are specified. Multiple fields can be
  // specified in a comma-delimited list.
  //
  // The following fields are valid:
  //
  // * `pose.heading`
  // * `pose.latLngPair`
  // * `pose.pitch`
  // * `pose.roll`
  // * `pose.level`
  // * `pose.altitude`
  // * `connections`
  // * `places`
  //
  //
  // <aside class="note"><b>Note:</b>  When
  // [updateMask][google.streetview.publish.v1.UpdatePhotoRequest.update_mask]
  // contains repeated fields, the entire set of repeated values get replaced
  // with the new contents. For example, if
  // [updateMask][google.streetview.publish.v1.UpdatePhotoRequest.update_mask]
  // contains `connections` and `UpdatePhotoRequest.photo.connections` is empty,
  // all connections are removed.</aside>
  google.protobuf.FieldMask update_mask = 2;
}

// Request to update the metadata of photos.
// Updating the pixels of photos is not supported.
message BatchUpdatePhotosRequest {
  // Required. List of
  // [UpdatePhotoRequests][google.streetview.publish.v1.UpdatePhotoRequest].
  repeated UpdatePhotoRequest update_photo_requests = 1;
}

// Response to batch update of metadata of one or more
// [Photos][google.streetview.publish.v1.Photo].
message BatchUpdatePhotosResponse {
  // List of results for each individual
  // [Photo][google.streetview.publish.v1.Photo] updated, in the same order as
  // the request.
  repeated PhotoResponse results = 1;
}

// Request to delete a [Photo][google.streetview.publish.v1.Photo].
message DeletePhotoRequest {
  // Required. ID of the [Photo][google.streetview.publish.v1.Photo].
  string photo_id = 1;
}

// Request to delete multiple [Photos][google.streetview.publish.v1.Photo].
message BatchDeletePhotosRequest {
  // Required. IDs of the [Photos][google.streetview.publish.v1.Photo]. HTTP
  // GET requests require the following syntax for the URL query parameter:
  // `photoIds=<id1>&photoIds=<id2>&...`.
  repeated string photo_ids = 1;
}

// Response to batch delete of one or more
// [Photos][google.streetview.publish.v1.Photo].
message BatchDeletePhotosResponse {
  // The status for the operation to delete a single
  // [Photo][google.streetview.publish.v1.Photo] in the batch request.
  repeated google.rpc.Status status = 1;
}