implement policies

1 files changed, 47 insertions, 0 deletions

diff --git a/Digitigrade/Policy/BasicCensor.php b/Digitigrade/Policy/BasicCensor.php
new file mode 100644
index 0000000..5866488
--- /dev/null
+++ b/Digitigrade/Policy/BasicCensor.php
@@ -0,0 +1,47 @@
+<?php
+namespace Digitigrade\Policy;
+
+use Digitigrade\Model\Actor;
+use Digitigrade\Model\Note;
+use Digitigrade\Policy;
+
+/**
+ * Simple word censorship policy that replaces all instances of some text with another string.
+ * 
+ * Suffers from the Scunthorpe problem.
+ * 
+ * Can also be (ab)used to replace some word with another word for humorous effect :3
+ */
+class BasicCensor extends Policy {
+    /** @var string[] */
+    private array $words;
+    private string $replacement;
+
+    public function __construct(array $words, string $replacement) {
+        $this->words = $words;
+        $this->replacement = $replacement;
+    }
+
+    public function checkNote(Note $note): bool {
+        foreach ($this->words as $w) {
+            if (isset($note->summary))
+                $note->summary = str_replace($w, $this->replacement, $note->summary);
+            $note->plainContent = str_replace($w, $this->replacement, $note->plainContent);
+            foreach ($note->formattedContent as $type => $content) {
+                $note->formattedContent[$type] = str_replace($w, $this->replacement, $content);
+            }
+        }
+        return true;
+    }
+
+    public function checkActor(Actor $actor): bool {
+        foreach ($this->words as $w) {
+            $actor->displayName = str_replace($w, $this->replacement, $actor->displayName);
+            if (isset($actor->pronouns))
+                $actor->pronouns = str_replace($w, $this->replacement, $actor->pronouns);
+            if (isset($actor->bio))
+                $actor->bio = str_replace($w, $this->replacement, $actor->bio);
+        }
+        return true;
+    }
+}
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