Add ModMissingProblem and ModMissingSolution

src/Analysis/ProjectZomboid/ModMissingProblem.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace IndifferentKetchup\Codex\Analysis\ProjectZomboid;
+
+use IndifferentKetchup\Codex\Analysis\InsightInterface;
+use IndifferentKetchup\Codex\Analysis\PatternInsightInterface;
+use IndifferentKetchup\Codex\Analysis\Problem;
+use IndifferentKetchup\Codex\Pattern\ProjectZomboid\DebugServerPattern;
+
+class ModMissingProblem extends Problem implements PatternInsightInterface
+{
+    private string $modName = '';
+
+    public static function getPatterns(): array
+    {
+        return [DebugServerPattern::MOD_MISSING];
+    }
+
+    public function setMatches(array $matches, mixed $patternKey): void
+    {
+        $this->modName = $matches['mod'];
+        $this->addSolution((new ModMissingSolution())->setModName($this->modName));
+    }
+
+    public function getModName(): string
+    {
+        return $this->modName;
+    }
+
+    public function getMessage(): string
+    {
+        return sprintf('Required mod "%s" not found.', $this->modName);
+    }
+
+    public function isEqual(InsightInterface $insight): bool
+    {
+        return $insight instanceof self && $insight->getModName() === $this->modName;
+    }
+}

src/Analysis/ProjectZomboid/ModMissingSolution.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace IndifferentKetchup\Codex\Analysis\ProjectZomboid;
+
+use IndifferentKetchup\Codex\Analysis\Solution;
+
+class ModMissingSolution extends Solution
+{
+    private string $modName = '';
+
+    public function setModName(string $modName): static
+    {
+        $this->modName = $modName;
+        return $this;
+    }
+
+    public function getMessage(): string
+    {
+        return sprintf(
+            'Subscribe to mod "%s" or remove its ID from the Mods= line in serverconfig.ini.',
+            $this->modName
+        );
+    }
+}