* @returns {[Object]} Returns a list of objects for each platform containing info about the changes to files in that platform
 * @example {{ owners | categorize(branch.diff.files_metadata) }}
 */

function categorize(fileOwners, fileMetadatas) {
    const result = new Map();
    [...fileOwners.keys()].forEach(platform => {
        result.set(platform, {
            name: platform,

            <td>{{ platform.name }}</td>
            <td>{{ branch.diff.files_metadata | filter(attr='file', list=platform.subprojects) | map(attr='additions') | sum }}</td>
            <td>{{ ((branch.diff.files_metadata | filter(attr='file', list=platform.subprojects) | map(attr='additions') | sum) / (changes.additions + changes.deletions) * 100) | round(2) }}%</td>

        context.putUserData(CURRENT_ACCESSORS_OF_UPGRADED_PROPERTIES, diff(
            mapCurrentAccessorsOfUpgradedProperties(currentUpgradedProperties),
            mapCurrentAccessorsOfUpgradedProperties(baselineUpgradedProperties)
        ));
        context.putUserData(OLD_ACCESSORS_OF_UPGRADED_PROPERTIES, diff(
            mapOldAccessorsOfUpgradedProperties(currentUpgradedProperties),

  {% for platform in platforms %}
  platform_label_{{ platform.name }}:
    if:
      - {{ ('platform_labels' | isEnabledAutomation(pr)) }}
      - {{ files | byPlatform | categorize(branch.diff.files_metadata) | readField(platform.name, 'files') | nullToEmpty | some }}
    run:
      - action: add-label@v1
        args:
          label: 'platform:{{ platform.name }}'
          color: '0000FF'
  {% endfor %}

# The results of these calculations are assigned to `is.formatting`, `is.docs` and `is.tests`.
is:
  formatting: {{ source.diff.files | isFormattingChange }}
  docs: {{ (files | allDocs) or (files | match(regex=r/\.adoc$/) | every) }} # This won't catch a mix of .adoc and non .adoc changes, see: https://github.com/linear-b/gitstream/issues/93

*.bash          text eol=lf
*.css           text diff=css
*.htm           text diff=html
*.html          text diff=html
*.java          text diff=java
*.sh            text eol=lf


# These files are binary and should be left untouched
# (binary is a macro for -text -diff)
*.a             binary
*.lib           binary
*.icns          binary
*.png           binary

is_docs_only_change: {{ (files | allDocs) or (files | match(regex=r/\.adoc$/) | every) }} # This won't catch a mix of .adoc and non .adoc changes, see: https://github.com/linear-b/gitstream/issues/93

 * @returns {[Object]} Returns list of computed summary statistic objects for each platform in the input groupedFiles
 * @example {{ fileOwners | categorize(branch.diff.files_metadata) | changeStatistics(branch.diff.files_metadata) }}
 */
function computeStatistics(groupedFiles, fileMetadatas) {
    let totalAdditions = 0;
    let totalDeletions = 0
    let totalChangedFiles = 0;

 * @param {String} title - description of how data is grouped
 * @returns {String} Returns the formatted HTMl table string.
 * @example {{ owners | categorize(branch.diff.files_metadata) | computeStatistics(branch.diff.files_metadata) | summaryTable('Platform') }}
 */
function summaryTable(statistics, title) {
    let preppedStatistics = statistics.filter(s => s.files.length > 0)

    run:
      - action: add-comment@v1
        args:
          comment: |
            {{ by_platform_comment }}

by_platform_comment: |