1 files changed, 110 insertions, 0 deletions
diff --git a/Translate/src/Statistics/TranslationStatsGraphOptions.php b/Translate/src/Statistics/TranslationStatsGraphOptions.php
new file mode 100644
index 00000000..3eb6b8a2
--- /dev/null
+++ b/Translate/src/Statistics/TranslationStatsGraphOptions.php
@@ -0,0 +1,110 @@
+<?php
+declare( strict_types = 1 );
+
+namespace MediaWiki\Extension\Translate\Statistics;
+
+use FormOptions;
+
+/**
+ * Encapsulates graph options
+ * @author Abijeet Patro
+ * @license GPL-2.0-or-later
+ * @since 2020.09
+ */
+class TranslationStatsGraphOptions {
+	/** @var FormOptions */
+	private $formOptions;
+	/** @var string[] */
+	public const VALID_SCALES = [ 'years', 'months', 'weeks', 'days', 'hours' ];
+
+	public function __construct() {
+		$this->formOptions = new FormOptions();
+		$this->formOptions->add( 'preview', false );
+		$this->formOptions->add( 'language', [] );
+		$this->formOptions->add( 'count', 'edits' );
+		$this->formOptions->add( 'scale', 'days' );
+		$this->formOptions->add( 'days', 30 );
+		$this->formOptions->add( 'width', 800 );
+		$this->formOptions->add( 'height', 600 );
+		$this->formOptions->add( 'group', [] );
+		$this->formOptions->add( 'uselang', '' );
+		$this->formOptions->add( 'start', '' );
+	}
+
+	public function bindArray( array $inputs ): void {
+		foreach ( $inputs as $key => $value ) {
+			if ( $this->formOptions->validateName( $key ) ) {
+				$this->formOptions[$key] = $value;
+			}
+		}
+	}
+
+	public function hasValue( string $key ): bool {
+		return isset( $this->formOptions[$key] );
+	}
+
+	public function setValue( string $key, $value ): void {
+		$this->formOptions[$key] = $value;
+	}
+
+	public function getValue( string $key ) {
+		return $this->formOptions[$key];
+	}
+
+	public function normalize( array $validCounts ): void {
+		$this->formOptions->validateIntBounds( 'days', 1, 10000 );
+		$this->formOptions->validateIntBounds( 'width', 200, 1000 );
+		$this->formOptions->validateIntBounds( 'height', 200, 1000 );
+
+		if ( $this->formOptions['start'] !== '' ) {
+			$timestamp = wfTimestamp( TS_ISO_8601, $this->formOptions['start'] );
+			if ( $timestamp ) {
+				$this->formOptions['start'] = rtrim( $timestamp, 'Z' );
+			} else {
+				$this->formOptions['start'] = '';
+			}
+		}
+
+		if ( !in_array( $this->formOptions['scale'], self::VALID_SCALES ) ) {
+			$this->formOptions['scale'] = 'days';
+		}
+
+		if ( $this->formOptions['scale'] === 'hours' ) {
+			$this->formOptions->validateIntBounds( 'days', 1, 4 );
+		}
+
+		if ( !in_array( $this->formOptions['count'], $validCounts ) ) {
+			$this->formOptions['count'] = 'edits';
+		}
+
+		foreach ( [ 'group', 'language' ] as $t ) {
+			if ( is_string( $this->formOptions[$t] ) ) {
+				$this->formOptions[$t] = explode( ',', $this->formOptions[$t] );
+			}
+
+			$values = array_map( 'trim', $this->formOptions[$t] );
+			$values = array_splice( $values, 0, 4 );
+			if ( $t === 'group' ) {
+				// BC for old syntax which replaced _ to | which was not allowed
+				$values = preg_replace( '~^page_~', 'page-', $values );
+			}
+			$this->formOptions[$t] = $values;
+		}
+	}
+
+	public function getGroups(): array {
+		return $this->formOptions['group'];
+	}
+
+	public function getLanguages(): array {
+		return $this->formOptions['language'];
+	}
+
+	public function getFormOptions(): FormOptions {
+		return $this->formOptions;
+	}
+
+	public function boundValue( string $key, int $min, int $max ): void {
+		$this->formOptions->validateIntBounds( $key, $min, $max );
+	}
+}