Add code quality check for release pipeline. (#22)

Author: alemoraru

.github/workflows/pr-validation.yml

@@ -2,8 +2,8 @@ name: Pull Request Validation Pipeline
 on: [pull_request]
 
 jobs:
-  pr-validation:
-    name: Pull Request Validation
+  code-quality-validation:
+    name: Code Quality Validation
     runs-on: ubuntu-22.04
     steps:
       - name: Generate GitHub App Token

.github/workflows/tag-and-release.yml

@@ -6,9 +6,58 @@ on:
       - main
 
 jobs:
+  code-quality-validation:
+    name: Code Quality Validation
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Generate GitHub App Token
+        id: generate_github_app_token
+        uses: tibdex/[email protected]
+        with:
+          app_id: ${{ secrets.GH_APP_ID }}
+          private_key: ${{ secrets.GH_APP_KEY }}
+      
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          token: ${{ steps.generate_github_app_token.outputs.token }}
+          persist-credentials: true
+      
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+      
+      - name: Install & configure Poetry
+        uses: snok/[email protected]
+        with:
+          version: 1.5.1
+      
+      - name: Install & validate Poetry dependencies
+        run: |
+          poetry install
+          poetry check
+      
+      - name: Check pylint
+        run: |
+          set -e # fail on error
+          poetry run pylint -j 0 --fail-under=10.0 src
+      
+      - name: Check isort
+        run: |
+          set -e # fail on error
+          poetry run isort --check-only .
+      
+      - name: Check black
+        run: |
+          set -e # fail on error
+          poetry run black --check .
+
   tag-release:
     name: Tag & Release
     runs-on: ubuntu-22.04
+    needs: code-quality-validation
     steps:
       - name: Generate GitHub App Token
         id: generate_github_app_token