slides_image_merging.js

// Copyright 2022 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.
// [START slides_image_merging]
function imageMerging(
    templatePresentationId,
    imageUrl,
    customerName,
    callback,
) {
  const logoUrl = imageUrl;
  const customerGraphicUrl = imageUrl;

  // Duplicate the template presentation using the Drive API.
  const copyTitle = customerName + ' presentation';
  try {
    gapi.client.drive.files
        .copy({
          fileId: templatePresentationId,
          resource: {
            name: copyTitle,
          },
        })
        .then((driveResponse) => {
          const presentationCopyId = driveResponse.result.id;

          // Create the image merge (replaceAllShapesWithImage) requests.
          const requests = [
            {
              replaceAllShapesWithImage: {
                imageUrl: logoUrl,
                replaceMethod: 'CENTER_INSIDE',
                containsText: {
                  text: '{{company-logo}}',
                  matchCase: true,
                },
              },
            },
            {
              replaceAllShapesWithImage: {
                imageUrl: customerGraphicUrl,
                replaceMethod: 'CENTER_INSIDE',
                containsText: {
                  text: '{{customer-graphic}}',
                  matchCase: true,
                },
              },
            },
          ];
          // Execute the requests for this presentation.
          gapi.client.slides.presentations
              .batchUpdate({
                presentationId: presentationCopyId,
                requests: requests,
              })
              .then((batchUpdateResponse) => {
                let numReplacements = 0;
                for (
                  let i = 0;
                  i < batchUpdateResponse.result.replies.length;
                  ++i
                ) {
                  numReplacements +=
                batchUpdateResponse.result.replies[i].replaceAllShapesWithImage
                    .occurrencesChanged;
                }
                console.log(
                    `Created merged presentation with ID: ${presentationCopyId}`,
                );
                console.log(`Replaced ${numReplacements} shapes with images.`);
                if (callback) callback(batchUpdateResponse.result);
              });
        });
  } catch (err) {
    document.getElementById('content').innerText = err.message;
    return;
  }
}
// [END slides_image_merging]