chains/.github/workflows/pr_checks.yml

name: Run PR Checks

on:
  pull_request:

jobs:
  validate_icons:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - uses: nrwl/nx-set-shas@v3
      id: last_successful_commit_push
      with:
        main-branch-name: master
        workflow-id: 'pr_checks.yml'

    - name: Get changed icons
      id: changed-icons
      uses: tj-actions/changed-files@v35
      with:
        files: _data/icons/*.json
        base_sha: ${{ steps.last_successful_commit_push.outputs.base }}
    
    - name: Get changed icon blobs
      id: changed-icon-blobs
      uses: tj-actions/changed-files@v35
      with:
        files: _data/iconsDownload/*
        base_sha: ${{ steps.last_successful_commit_push.outputs.base }}

    - run: sudo apt-get -y install jq curl exiftool

    - name: Verify the changed icons
      if: steps.changed-icons.outputs.any_changed == 'true'
      run: |
        set -euo pipefail

        BAD=0

        CHANGED_ICON_BLOBS=(${{ steps.changed-icon-blobs.outputs.all_changed_files }})

        for CHANGED_FILE in ${{ steps.changed-icons.outputs.all_changed_files }}; do
          echo "Checking icon $CHANGED_FILE"
          URL=$(cat "$CHANGED_FILE" | jq '.[0].url' -r)
          if [[ "$URL" =~ ^ipfs://([A-Za-z0-9]+)$ ]]; then
            IPFS_HASH=${BASH_REMATCH[1]}

            if [[ "${CHANGED_ICON_BLOBS[*]} " =~ "_data/iconsDownload/$IPFS_HASH " ]]; then
              TARGET_FILE="_data/iconsDownload/$IPFS_HASH"
            else
              echo "Trying to download the image..."
              TARGET_FILE=icon
              curl -Lo icon "https://cloudflare-ipfs.com/ipfs/$IPFS_HASH" 2>/dev/null
            fi

            METADATA=$(exiftool $TARGET_FILE -json)
            
            SCHEMA_WIDTH=$(cat "$CHANGED_FILE" | jq '.[0].width' -r)
            SCHEMA_HEIGHT=$(cat "$CHANGED_FILE" | jq '.[0].height' -r)
            SCHEMA_TYPE=$(cat "$CHANGED_FILE" | jq '.[0].format' -r)
            META_WIDTH=$(echo "$METADATA" | jq '.[0].ImageWidth' -r)
            META_HEIGHT=$(echo "$METADATA" | jq '.[0].ImageHeight' -r)
            META_TYPE=$(echo "$METADATA" | jq '.[0].FileTypeExtension' -r)

            if [ "$SCHEMA_WIDTH" != "$META_WIDTH" ]; then
              echo "Expected width $SCHEMA_WIDTH, got $META_WIDTH"
              BAD=1
            fi

            if [ "$SCHEMA_HEIGHT" != "$META_HEIGHT" ]; then
              echo "Expected height $SCHEMA_HEIGHT, got $META_HEIGHT"
              BAD=1
            fi

            case "$SCHEMA_TYPE" in
              png)
                if [ "$META_TYPE" != "png" ]; then
                  echo "Expected type png, got $META_TYPE"
                  BAD=1
                fi
                ;;
              jpg)
                if [ "$META_TYPE" != "jpg" ]; then
                  echo "Expected type jpg, got $META_TYPE"
                  BAD=1
                fi
                ;;
              svg)
                if [ "$META_TYPE" != "svg" ]; then
                  echo "Expected type svg, got $META_TYPE"
                  BAD=1
                fi
                ;;
              *)
                echo "Expected type png, jpg, or svg, got $SCHEMA_TYPE"
                BAD=1
                ;;
            esac
          else
            echo "Expected an IPFS URL, got $URL"
            BAD=1
          fi
        done
        exit $BAD        

  validate_formatting:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - uses: nrwl/nx-set-shas@v3
      id: last_successful_commit_push
      with:
        main-branch-name: master
        workflow-id: 'pr_checks.yml'

    - name: Get changed files
      id: changed-files
      uses: tj-actions/changed-files@v35
      with:
        files: _data/*/*.json
        base_sha: ${{ steps.last_successful_commit_push.outputs.base }}

    - run: sudo npm i -g prettier

    - name: Verify the changed icons
      if: steps.changed-files.outputs.any_changed == 'true'
      run: |
        set -euo pipefail

        BAD=0

        for CHANGED_FILE in ${{ steps.changed-files.outputs.all_changed_files }}; do
          echo "Checking $CHANGED_FILE"
          diff -u "$CHANGED_FILE" <(prettier "$CHANGED_FILE")
        done