feat: Add psalm workflow and adjust code

Signed-off-by: Ferdinand Thiessen <[email protected]>

.github/workflows/psalm.yml

@@ -0,0 +1,82 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+
+name: Static analysis
+
+on: pull_request
+
+concurrency:
+  group: psalm-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest-low
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@ebc4d7e9ebcb0b1eb21480bb8f43113e996ac77a # v3.0.1
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'appinfo/**'
+              - 'lib/**'
+              - 'templates/**'
+              - 'tests/**'
+              - 'vendor/**'
+              - 'vendor-bin/**'
+              - '.php-cs-fixer.dist.php'
+              - 'composer.json'
+              - 'composer.lock'
+
+  psalm-static-analysis:
+    runs-on: ubuntu-latest
+
+    needs: [changes]
+    if: needs.changes.outputs.src != 'false'
+
+    name: psalm-static-analysis
+    steps:
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+      - name: Get php version
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@7d433286e92318f51ed0537b6c77374759e12f46 # v1.3.0
+
+      - name: Set up php${{ steps.versions.outputs.php-available }}
+        uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d # v2
+        with:
+          php-version: ${{ steps.versions.outputs.php-available }}
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
+          coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install dependencies
+        run: composer i
+
+      - name: Run coding standards check
+        run: composer run psalm
+
+  static-analysis:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest-low
+    needs: [changes, psalm-static-analysis]
+
+    if: always()
+
+    name: static-psalm-analysis
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.psalm-static-analysis.result != 'success' }}; then exit 1; fi

composer.json

@@ -12,13 +12,15 @@
 	"require-dev": {
 		"phpunit/phpunit": "^9.5",
 		"nextcloud/coding-standard": "^1.0.0",
-		"vimeo/psalm": "^5.18",
+		"psalm/phar": "^5.22",
 		"nextcloud/ocp": "dev-master"
 	},
 	"scripts": {
 		"lint": "find . -name \\*.php -not -path './vendor/*' -not -path './build/*' -print0 | xargs -0 -n1 php -l",
 		"cs:check": "php-cs-fixer fix --dry-run --diff",
 		"cs:fix": "php-cs-fixer fix",
+		"psalm": "psalm.phar --threads=1",
+		"psalm:update-baseline": "psalm.phar --threads=1 --update-baseline",
 		"test:unit": "vendor/bin/phpunit --color --fail-on-warning -c tests/phpunit.xml"
 	},
 	"autoload-dev": {