Paper: Detect problem "Plugin API version ... is lower than the minimum allowed version. "

lang/en.json

@@ -85,5 +85,7 @@
   "type-crash-report": "Crash Report",
   "type-network-protocol-error-report": "Network Protocol Error Report",
   "type-unknown": "Unknown Log",
-  "forge-language-provider-version-problem": "The mod '{{mod-file}}' requires '{{required-version}}', but '{{found-version}}' is installed."
+  "forge-language-provider-version-problem": "The mod '{{mod-file}}' requires '{{required-version}}', but '{{found-version}}' is installed.",
+  "plugin-api-version-lower-than-allowed-problem": "The plugin '{{plugin-name}}' has an API version specified that is lower than the minimum allowed version.",
+  "change-minimum-api-version-solution": "Change 'minimum-api' in bukkit.yml to {{api-version}}, lower or even 'none'."
 }

src/Analyser/PaperAnalyser.php

@@ -2,6 +2,7 @@
 
 namespace Aternos\Codex\Minecraft\Analyser;
 
+use Aternos\Codex\Minecraft\Analysis\Problem\Paper\ApiVersionLowerThanAllowedProblem;
 use Aternos\Codex\Minecraft\Analysis\Problem\Paper\VersionDowngradeProblem;
 
 /**
@@ -15,5 +16,6 @@ public function __construct()
     {
         parent::__construct();
         $this->addPossibleInsightClass(VersionDowngradeProblem::class);
+        $this->addPossibleInsightClass(ApiVersionLowerThanAllowedProblem::class);
     }
 }

src/Analysis/Problem/Paper/ApiVersionLowerThanAllowedProblem.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Aternos\Codex\Minecraft\Analysis\Problem\Paper;
+
+use Aternos\Codex\Minecraft\Analysis\Solution\Bukkit\PluginInstallDifferentVersionSolution;
+use Aternos\Codex\Minecraft\Analysis\Solution\Bukkit\PluginRemoveSolution;
+use Aternos\Codex\Minecraft\Analysis\Solution\Paper\ChangeMinimumAllowedApiVersionSolution;
+use Aternos\Codex\Minecraft\Translator\Translator;
+
+/**
+ * Class ApiVersionLowerThanAllowedProblem
+ *
+ * @package Aternos\Codex\Minecraft\Analysis\Problem\Paper
+ */
+class ApiVersionLowerThanAllowedProblem extends PaperProblem
+{
+    protected ?string $pluginName = null;
+    protected ?string $pluginApiVersion = null;
+
+    /**
+     * Get a human-readable message
+     *
+     * @return string
+     */
+    public function getMessage(): string
+    {
+        return Translator::getInstance()->getTranslation("plugin-api-version-lower-than-allowed-problem", [
+            "plugin-name" => $this->getPluginName()
+        ]);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getPatterns(): array
+    {
+        return [
+            '/Could not load plugin \'((?!\.jar).*)\.jar\' in folder \'[^\']+\''
+            . '\norg.bukkit.plugin.InvalidPluginException: Plugin API version (\d+\.\d+) is lower than the minimum allowed version\. Please update or replace it\./'
+        ];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function setMatches(array $matches, mixed $patternKey): void
+    {
+        $this->pluginName = $matches[1];
+        $this->pluginApiVersion = $matches[2];
+
+        $this->addSolution((new PluginRemoveSolution())->setPluginName($this->getPluginName()));
+        $this->addSolution((new PluginInstallDifferentVersionSolution())->setPluginName($this->getPluginName()));
+        $this->addSolution((new ChangeMinimumAllowedApiVersionSolution())->setApiVersion($this->getPluginApiVersion()));
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getPluginName(): ?string
+    {
+        return $this->pluginName;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getPluginApiVersion(): ?string
+    {
+        return $this->pluginApiVersion;
+    }
+}

src/Analysis/Solution/Paper/ChangeMinimumAllowedApiVersionSolution.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Aternos\Codex\Minecraft\Analysis\Solution\Paper;
+
+use Aternos\Codex\Minecraft\Translator\Translator;
+
+/**
+ * Class ChangeMinimumAllowedApiVersionSolution
+ *
+ * @package Aternos\Codex\Minecraft\Analysis\Solution\Paper
+ */
+class ChangeMinimumAllowedApiVersionSolution extends PaperSolution
+{
+
+    protected ?string $apiVersion = null;
+
+    /**
+     * @return string|null
+     */
+    public function getApiVersion(): ?string
+    {
+        return $this->apiVersion;
+    }
+
+    /**
+     * @param string $apiVersion
+     * @return $this
+     */
+    public function setApiVersion(string $apiVersion): static
+    {
+        $this->apiVersion = $apiVersion;
+        return $this;
+    }
+
+    /**
+     * Get the solution as a human-readable message
+     *
+     * @return string
+     */
+    public function getMessage(): string
+    {
+        return Translator::getInstance()->getTranslation("change-minimum-api-version-solution", [
+            "api-version" => $this->getApiVersion()
+        ]);
+    }
+}