From c4d599834a81601b79589d9ab56fda59bbdc5608 Mon Sep 17 00:00:00 2001
From: MarvinF <B3r@users.noreply.github.com>
Date: Tue, 16 Jun 2026 21:06:47 +0200
Subject: [PATCH 1/3] Create dev_preview

---
 .github/workflows/dev_preview | 84 +++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 .github/workflows/dev_preview

diff --git a/.github/workflows/dev_preview b/.github/workflows/dev_preview
new file mode 100644
index 0000000..e5cf7f3
--- /dev/null
+++ b/.github/workflows/dev_preview
@@ -0,0 +1,84 @@
+# Builds the codebase and publishes a rolling dev-preview release (no version bump).
+# The release uses a fixed tag "dev-preview" so each run replaces the previous one.
+
+name: Sportsmanager Dev Preview
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'Branch to build'
+        required: true
+        default: 'sportsmanager2-prod'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.branch }}
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Run build script
+        run: npm run release
+
+      - name: Delete existing dev-preview release (if any)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
+        run: |
+          release_id=$(curl -s -H "Authorization: token $GITHUB_TOKEN" \
+            "https://api.github.com/repos/$REPO/releases/tags/dev-preview" \
+            | jq -r '.id // empty')
+
+          if [ -n "$release_id" ]; then
+            curl -s -X DELETE -H "Authorization: token $GITHUB_TOKEN" \
+              "https://api.github.com/repos/$REPO/releases/$release_id"
+            echo "Deleted existing dev-preview release (ID: $release_id)"
+          else
+            echo "No existing dev-preview release found"
+          fi
+
+      - name: Delete existing dev-preview tag (if any)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
+        run: |
+          status=$(curl -s -o /dev/null -w "%{http_code}" \
+            -H "Authorization: token $GITHUB_TOKEN" \
+            "https://api.github.com/repos/$REPO/git/refs/tags/dev-preview")
+
+          if [ "$status" = "200" ]; then
+            curl -s -X DELETE -H "Authorization: token $GITHUB_TOKEN" \
+              "https://api.github.com/repos/$REPO/git/refs/tags/dev-preview"
+            echo "Deleted existing dev-preview tag"
+          else
+            echo "No existing dev-preview tag found"
+          fi
+
+      - name: Publish dev-preview release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: dev-preview
+          name: "Dev Preview (${{ github.run_number }})"
+          body: |
+            Automated dev preview build from branch `${{ inputs.branch }}`.
+            Commit: ${{ github.sha }}
+            Run: ${{ github.run_number }}
+
+            > This is a temporary preview release and will be replaced on the next run.
+          files: package/packages/com_sportsmanager.zip
+          draft: false
+          prerelease: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

From afb89dba6e025a77cc509343a51c7cc2b67a29ea Mon Sep 17 00:00:00 2001
From: MarvinF <B3r@users.noreply.github.com>
Date: Tue, 16 Jun 2026 21:07:55 +0200
Subject: [PATCH 2/3] Rename dev_preview to dev_preview.yml

---
 .github/workflows/{dev_preview => dev_preview.yml} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename .github/workflows/{dev_preview => dev_preview.yml} (100%)

diff --git a/.github/workflows/dev_preview b/.github/workflows/dev_preview.yml
similarity index 100%
rename from .github/workflows/dev_preview
rename to .github/workflows/dev_preview.yml

From 4c21d66fbef7def707b3dd74c5b98b3ef26caf5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Meyer?= <juergen.meyer@dtfb.de>
Date: Thu, 16 Jul 2026 14:27:34 +0200
Subject: [PATCH 3/3] Bei Teilnehmerzahl 1 oder weniger eines
 Ranglistenturnieres werden ohne weitere Berechnung 0 Punkte vergeben.

---
 src/structure/components/com_sportsmanager/tools.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/structure/components/com_sportsmanager/tools.php b/src/structure/components/com_sportsmanager/tools.php
index cfbeaad..e80fbc4 100644
--- a/src/structure/components/com_sportsmanager/tools.php
+++ b/src/structure/components/com_sportsmanager/tools.php
@@ -19,11 +19,17 @@ require_once JPATH_SITE . '/components/com_sportsmanager/database/init.php';
 
 /** @noinspection PhpUnused */
 function mathParserVerteilung($rohpunkte, $platz, $teilnehmer, $multiplikator) {
+	if ($teilnehmer <= 1){
+		return 0;
+	}
     return max(round($multiplikator * round(((($rohpunkte - 1) * (-log($platz / $teilnehmer) * (1 - ($platz / $teilnehmer)))) / (-log(1 / $teilnehmer) * (1 - (1 / $teilnehmer)))) + 1)), 1);
 }
 
 /** @noinspection PhpUnused */
 function mathParserVerteilungR($rohpunkte, $platz, $teilnehmer, $multiplikator) {
+	if ($teilnehmer <= 1){
+		return 0;
+	}
     return max(round(((($multiplikator * $rohpunkte - 1) * (-log($platz / $teilnehmer) * (1 - ($platz / $teilnehmer)))) / (-log(1 / $teilnehmer) * (1 - (1 / $teilnehmer)))) + 1), 1);
 }