gen_from_json.yml

name: Generate Utils From JSON

on:
  push:
    branches: [ "master" ]

  workflow_dispatch:

env:
  JSON_FILES_DIR: .
  PYTHON_VERSION: '3.10'
  ARTIFACT_DIR: tmp/artifacts

jobs:
  list-json-files:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v3
      - name: Select JSON files
        id: set-matrix
        run: echo "matrix=$(find . | egrep '\.json$' | jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT
          
  sync-branch:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Merge master into build
        uses: devmasx/merge-branch@master
        with:
          type: now
          from_branch: master
          target_branch: build
          github_token: ${{ secrets.GITHUB_TOKEN }}
          message: Merge master into build
          
  generate:
    needs: [list-json-files, sync-branch]
    runs-on: ubuntu-latest
    strategy:
      max-parallel: 1
      matrix:
        json-file: ${{ fromJson(needs.list-json-files.outputs.matrix) }}
    steps:
      - uses: actions/checkout@v3
          
      - name: Get filenames
        run: |
          mkdir -p ${{ env.ARTIFACT_DIR }}
          mkdir -p ${{ env.ARTIFACT_DIR }}/c_source
          path=$(echo ${{ matrix.json-file }} | cut -d. -f1)
          file=$(basename $path)
          lcPath=${path,,}
          lcFile=$(basename $lcPath)
          echo "FILENAME=$(echo $file)" >> $GITHUB_ENV
          echo "DBC_FILE=$(echo ${{ env.ARTIFACT_DIR }})/$(echo $file).dbc" >> $GITHUB_ENV
          echo "C_FILE=$(echo $lcFile).c" >> $GITHUB_ENV
          echo "H_FILE=$(echo $lcFile).h" >> $GITHUB_ENV
          echo "DBF_FILE=$(echo ${{ env.ARTIFACT_DIR }})/$(echo $file).dbf" >> $GITHUB_ENV
          echo "XLSX_FILE=$(echo ${{ env.ARTIFACT_DIR }})/$(echo $file).xlsx" >> $GITHUB_ENV
          echo "CSV_FILE=$(echo ${{ env.ARTIFACT_DIR }})/$(echo $file).csv" >> $GITHUB_ENV
          
      - name: Download latest jsodbc release
        uses: robinraju/release-downloader@v1.8
        with:
          repository: "squadracorsepolito/jsondbc"
          latest: true
          fileName: "jsondbc_Linux_x86_64.tar.gz"
          extract: true
          out-file-path: "jsondbc"
          
      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      
      - name: Cache pip packages
        id: pip-cache
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-python${{ env.PYTHON_VERSION }}
          restore-keys: |
            ${{ runner.os }}-pip-
            ${{ runner.os }}-
          
      - name: Install cantools
        run: python3 -m pip install cantools
        
      - name: Install canmatrix
        run: python3 -m pip install canmatrix[xlsx]
          
      - name: Convert JSON file to dbc
        run: ./jsondbc/jsondbc convert --in ${{ matrix.json-file }} --out ${{ env.DBC_FILE }}
        
      - name: Generate .c .h
        run: |
          python3 -m cantools generate_c_source ${{ env.DBC_FILE }}
          mv ${{ env.C_FILE }} ${{ env.ARTIFACT_DIR }}/c_source
          mv ${{ env.H_FILE }} ${{ env.ARTIFACT_DIR }}/c_source
        
      - name: Convert dbc to dbf
        run: canconvert ${{ env.DBC_FILE }} ${{ env.DBF_FILE }}
        
      - name: Convert dbc to xlsx
        run: canconvert ${{ env.DBC_FILE }} ${{ env.XLSX_FILE }}
        
      - name: Convert dbc to csv
        run: canconvert ${{ env.DBC_FILE }} ${{ env.CSV_FILE }}
      
      - name: Push to build branch
        uses: s0/git-publish-subdir-action@develop
        env:
          REPO: self
          BRANCH: build
          FOLDER: ${{ env.ARTIFACT_DIR }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TARGET_DIR: ${{ env.JSON_FILES_DIR }}/artifacts/${{ env.FILENAME }}
          SKIP_EMPTY_COMMITS: true
          MESSAGE: generated from ${{ matrix.json-file }} at {sha}