1 files changed, 40 insertions, 0 deletions
diff --git a/app/Models/AttributesTrait.php b/app/Models/AttributesTrait.php
new file mode 100644
index 000000000..39154182b
--- /dev/null
+++ b/app/Models/AttributesTrait.php
@@ -0,0 +1,40 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Logic to work with (JSON) attributes (for entries, feeds, categories, tags...).
+ */
+trait FreshRSS_AttributesTrait {
+	/**
+	 * @var array<string,mixed>
+	 */
+	private array $attributes = [];
+
+	/**
+	 * @phpstan-return ($key is non-empty-string ? mixed : array<string,mixed>)
+	 * @return array<string,mixed>|mixed|null
+	 */
+	public function attributes(string $key = '') {
+		if ($key === '') {
+			return $this->attributes;
+		} else {
+			return $this->attributes[$key] ?? null;
+		}
+	}
+
+	/** @param string|array<mixed>|bool|int|null $value Value, not HTML-encoded */
+	public function _attributes(string $key, $value = null): void {
+		if ($key == '') {
+			if (is_string($value)) {
+				$value = json_decode($value, true);
+			}
+			if (is_array($value)) {
+				$this->attributes = $value;
+			}
+		} elseif ($value === null) {
+			unset($this->attributes[$key]);
+		} else {
+			$this->attributes[$key] = $value;
+		}
+	}
+}