nextcloud / server

lib/public/FullTextSearch/Model/IndexDocument.php

Indentation +910 added lines, -910 removed lines

@@ -52,923 +52,923 @@
 class IndexDocument implements JsonSerializable {
 
 
-	const NOT_ENCODED = 0;
-	const ENCODED_BASE64 = 1;
+    const NOT_ENCODED = 0;
+    const ENCODED_BASE64 = 1;
 
 
-	/** @var string */
-	protected $id = '';
+    /** @var string */
+    protected $id = '';
 
-	/** @var string */
-	protected $providerId = '';
+    /** @var string */
+    protected $providerId = '';
 
-	/** @var DocumentAccess */
-	protected $access;
+    /** @var DocumentAccess */
+    protected $access;
 
-	/** @var IIndex */
-	protected $index;
-
-	/** @var int */
-	protected $modifiedTime = 0;
+    /** @var IIndex */
+    protected $index;
+
+    /** @var int */
+    protected $modifiedTime = 0;
 
-	/** @var string */
-	protected $source = '';
+    /** @var string */
+    protected $source = '';
 
-	/** @var array */
-	protected $tags = [];
-
-	/** @var array */
-	protected $metaTags = [];
-
-	/** @var array */
-	protected $subTags = [];
-
-	/** @var string */
-	protected $title = '';
-
-	/** @var string */
-	protected $content = '';
-
-	/** @var string */
-	protected $hash = '';
-
-	/** @var array */
-	protected $parts = [];
-
-	/** @var string */
-	protected $link = '';
-
-	/** @var array */
-	protected $more = [];
-
-	/** @var array */
-	protected $excerpts = [];
-
-	/** @var string */
-	protected $score = '';
-
-	/** @var array */
-	protected $info = [];
-
-	/** @var int */
-	protected $contentEncoded = 0;
-
-
-	/**
-	 * IndexDocument constructor.
-	 *
-	 * On creation, we assure the uniqueness of the object using the providerId
-	 * and the Id of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $providerId
-	 * @param string $documentId
-	 */
-	public function __construct(string $providerId, string $documentId) {
-		$this->providerId = $providerId;
-		$this->id = $documentId;
-	}
-
-
-	/**
-	 * Returns the Id of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getId(): string {
-		return $this->id;
-	}
-
-
-	/**
-	 * Returns the Id of the provider.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getProviderId(): string {
-		return $this->providerId;
-	}
-
-
-	/**
-	 * Set the Index related to the IndexDocument.
-	 *
-	 * @see IIndex
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param IIndex $index
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setIndex(IIndex $index): IndexDocument {
-		$this->index = $index;
-
-		return $this;
-	}
-
-	/**
-	 * Get the Index.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return IIndex
-	 */
-	final public function getIndex(): IIndex {
-		return $this->index;
-	}
-
-
-	/**
-	 * Set the modified time of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param int $modifiedTime
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setModifiedTime(int $modifiedTime): IndexDocument {
-		$this->modifiedTime = $modifiedTime;
-
-		return $this;
-	}
-
-	/**
-	 * Get the modified time of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return int
-	 */
-	final public function getModifiedTime(): int {
-		return $this->modifiedTime;
-	}
-
-	/**
-	 * Check if the original document of the IndexDocument is older than $time.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param int $time
-	 *
-	 * @return bool
-	 */
-	final public function isOlderThan(int $time): bool {
-		return ($this->modifiedTime < $time);
-	}
-
-
-	/**
-	 * Set the read rights of the original document using a DocumentAccess.
-	 *
-	 * @see DocumentAccess
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param DocumentAccess $access
-	 *
-	 * @return $this
-	 */
-	final public function setAccess(DocumentAccess $access) {
-		$this->access = $access;
-
-		return $this;
-	}
-
-	/**
-	 * Get the DocumentAccess related to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return DocumentAccess
-	 */
-	final public function getAccess(): DocumentAccess {
-		return $this->access;
-	}
-
-
-	/**
-	 * Add a tag to the list.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $tag
-	 *
-	 * @return IndexDocument
-	 */
-	final public function addTag(string $tag): IndexDocument {
-		$this->tags[] = $tag;
-
-		return $this;
-	}
-
-	/**
-	 * Set the list of tags assigned to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $tags
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setTags(array $tags): IndexDocument {
-		$this->tags = $tags;
-
-		return $this;
-	}
-
-	/**
-	 * Get the list of tags assigned to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getTags(): array {
-		return $this->tags;
-	}
-
-
-	/**
-	 * Add a meta tag to the list.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $tag
-	 *
-	 * @return IndexDocument
-	 */
-	final public function addMetaTag(string $tag): IndexDocument {
-		$this->metaTags[] = $tag;
-
-		return $this;
-	}
-
-	/**
-	 * Set the list of meta tags assigned to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $tags
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setMetaTags(array $tags): IndexDocument {
-		$this->metaTags = $tags;
-
-		return $this;
-	}
-
-	/**
-	 * Get the list of meta tags assigned to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getMetaTags(): array {
-		return $this->metaTags;
-	}
-
-
-	/**
-	 * Add a sub tag to the list.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $sub
-	 * @param string $tag
-	 *
-	 * @return IndexDocument
-	 */
-	final public function addSubTag(string $sub, string $tag): IndexDocument {
-		$this->subTags[$sub] = $tag;
-
-		return $this;
-	}
-
-	/**
-	 * Set the list of sub tags assigned to the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $tags
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setSubTags(array $tags): IndexDocument {
-		$this->subTags = $tags;
-
-		return $this;
-	}
-
-	/**
-	 * Get the list of sub tags assigned to the original document.
-	 * If $formatted is true, the result will be formatted in a one
-	 * dimensional array.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param bool $formatted
-	 *
-	 * @return array
-	 */
-	final public function getSubTags(bool $formatted = false): array {
-		if ($formatted === false) {
-			return $this->subTags;
-		}
-
-		$subTags = [];
-		$ak = array_keys($this->subTags);
-		foreach ($ak as $source) {
-			$tags = $this->subTags[$source];
-			foreach ($tags as $tag) {
-				$subTags[] = $source . '_' . $tag;
-			}
-		}
-
-		return $subTags;
-	}
-
-
-	/**
-	 * Set the source of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $source
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setSource(string $source): IndexDocument {
-		$this->source = $source;
-
-		return $this;
-	}
-
-	/**
-	 * Get the source of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getSource(): string {
-		return $this->source;
-	}
-
-
-	/**
-	 * Set the title of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $title
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setTitle(string $title): IndexDocument {
-		$this->title = $title;
-
-		return $this;
-	}
-
-	/**
-	 * Get the title of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getTitle(): string {
-		return $this->title;
-	}
-
-
-	/**
-	 * Set the content of the document.
-	 * $encoded can be NOT_ENCODED or ENCODED_BASE64 if the content is raw or
-	 * encoded in base64.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $content
-	 * @param int $encoded
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setContent(string $content, int $encoded = 0): IndexDocument {
-		$this->content = $content;
-		$this->contentEncoded = $encoded;
-
-		return $this;
-	}
-
-	/**
-	 * Get the content of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getContent(): string {
-		return $this->content;
-	}
-
-	/**
-	 * Returns the type of the encoding on the content.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return int
-	 */
-	final public function isContentEncoded(): int {
-		return $this->contentEncoded;
-	}
-
-	/**
-	 * Return the size of the content.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return int
-	 */
-	final public function getContentSize(): int {
-		return strlen($this->getContent());
-	}
-
-
-	/**
-	 * Generate an hash, based on the content of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return IndexDocument
-	 */
-	final public function initHash(): IndexDocument {
-		if ($this->getContent() === '' || is_null($this->getContent())) {
-			return $this;
-		}
-
-		$this->hash = hash("md5", $this->getContent());
-
-		return $this;
-	}
-
-	/**
-	 * Set the hash of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $hash
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setHash(string $hash): IndexDocument {
-		$this->hash = $hash;
-
-		return $this;
-	}
-
-	/**
-	 * Get the hash of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getHash(): string {
-		return $this->hash;
-	}
-
-
-	/**
-	 * Add a part, identified by a string, and its content.
-	 *
-	 * It is strongly advised to use alphanumerical chars with no space in the
-	 * $part string.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $part
-	 * @param string $content
-	 *
-	 * @return IndexDocument
-	 */
-	final public function addPart(string $part, string $content): IndexDocument {
-		$this->parts[$part] = $content;
-
-		return $this;
-	}
-
-	/**
-	 * Set all parts and their content.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $parts
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setParts(array $parts): IndexDocument {
-		$this->parts = $parts;
-
-		return $this;
-	}
-
-	/**
-	 * Get all parts of the IndexDocument.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getParts(): array {
-		return $this->parts;
-	}
-
-
-	/**
-	 * Add a link, usable by the frontend.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $link
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setLink(string $link): IndexDocument {
-		$this->link = $link;
-
-		return $this;
-	}
-
-	/**
-	 * Get the link.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getLink(): string {
-		return $this->link;
-	}
-
-
-	/**
-	 * Set more information that couldn't be set using other method.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $more
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setMore(array $more): IndexDocument {
-		$this->more = $more;
-
-		return $this;
-	}
-
-	/**
-	 * Get more information.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getMore(): array {
-		return $this->more;
-	}
-
-
-	/**
-	 * Add some excerpt of the content of the original document, usually based
-	 * on the search request.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $excerpt
-	 *
-	 * @return IndexDocument
-	 */
-	final public function addExcerpt(string $excerpt): IndexDocument {
-		$excerpt = $this->cleanExcerpt($excerpt);
-
-		$this->excerpts[] = $excerpt;
-
-		return $this;
-	}
-
-	/**
-	 * Set all excerpts of the content of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param array $excerpts
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setExcerpts(array $excerpts): IndexDocument {
-		$excerpts = array_map([$this, 'cleanExcerpt'], $excerpts);
-
-		$this->excerpts = $excerpts;
-
-		return $this;
-	}
-
-	/**
-	 * Get all excerpts of the content of the original document.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getExcerpts(): array {
-		return $this->excerpts;
-	}
-
-	/**
-	 * Clean excerpt.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $excerpt
-	 *
-	 * @return string
-	 */
-	final public function cleanExcerpt(string $excerpt): string {
-		$excerpt = str_replace("\\n", ' ', $excerpt);
-		$excerpt = str_replace("\\r", ' ', $excerpt);
-		$excerpt = str_replace("\\t", ' ', $excerpt);
-		$excerpt = str_replace("\n", ' ', $excerpt);
-		$excerpt = str_replace("\r", ' ', $excerpt);
-		$excerpt = str_replace("\t", ' ', $excerpt);
-
-		return $excerpt;
-	}
-
-	/**
-	 * Set the score to the result assigned to this document during a search
-	 * request.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $score
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setScore(string $score): IndexDocument {
-		$this->score = $score;
-
-		return $this;
-	}
-
-	/**
-	 * Get the score.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return string
-	 */
-	final public function getScore(): string {
-		return $this->score;
-	}
-
-
-	/**
-	 * Set some information about the original document that will be available
-	 * to the front-end when displaying search result. (as string)
-	 * Because this information will not be indexed, this method can also be
-	 * used to manage some data while filling the IndexDocument before its
-	 * indexing.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param string $value
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setInfo(string $info, string $value): IndexDocument {
-		$this->info[$info] = $value;
-
-		return $this;
-	}
-
-	/**
-	 * Get an information about a document. (string)
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param string $default
-	 *
-	 * @return string
-	 */
-	final public function getInfo(string $info, string $default = ''): string {
-		if (!key_exists($info, $this->info)) {
-			return $default;
-		}
-
-		return $this->info[$info];
-	}
-
-	/**
-	 * Set some information about the original document that will be available
-	 * to the front-end when displaying search result. (as array)
-	 * Because this information will not be indexed, this method can also be
-	 * used to manage some data while filling the IndexDocument before its
-	 * indexing.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param array $value
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setInfoArray(string $info, array $value): IndexDocument {
-		$this->info[$info] = $value;
-
-		return $this;
-	}
-
-	/**
-	 * Get an information about a document. (array)
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param array $default
-	 *
-	 * @return array
-	 */
-	final public function getInfoArray(string $info, array $default = []): array {
-		if (!key_exists($info, $this->info)) {
-			return $default;
-		}
-
-		return $this->info[$info];
-	}
-
-	/**
-	 * Set some information about the original document that will be available
-	 * to the front-end when displaying search result. (as int)
-	 * Because this information will not be indexed, this method can also be
-	 * used to manage some data while filling the IndexDocument before its
-	 * indexing.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param int $value
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setInfoInt(string $info, int $value): IndexDocument {
-		$this->info[$info] = $value;
-
-		return $this;
-	}
-
-	/**
-	 * Get an information about a document. (int)
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param int $default
-	 *
-	 * @return int
-	 */
-	final public function getInfoInt(string $info, int $default = 0): int {
-		if (!key_exists($info, $this->info)) {
-			return $default;
-		}
-
-		return $this->info[$info];
-	}
-
-	/**
-	 * Set some information about the original document that will be available
-	 * to the front-end when displaying search result. (as bool)
-	 * Because this information will not be indexed, this method can also be
-	 * used to manage some data while filling the IndexDocument before its
-	 * indexing.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param bool $value
-	 *
-	 * @return IndexDocument
-	 */
-	final public function setInfoBool(string $info, bool $value): IndexDocument {
-		$this->info[$info] = $value;
-
-		return $this;
-	}
-
-	/**
-	 * Get an information about a document. (bool)
-	 *
-	 * @since 15.0.0
-	 *
-	 * @param string $info
-	 * @param bool $default
-	 *
-	 * @return bool
-	 */
-	final public function getInfoBool(string $info, bool $default = false): bool {
-		if (!key_exists($info, $this->info)) {
-			return $default;
-		}
-
-		return $this->info[$info];
-	}
-
-	/**
-	 * Get all info.
-	 *
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	final public function getInfoAll(): array {
-
-		$info = [];
-		foreach ($this->info as $k => $v) {
-			if (substr($k, 0, 1) === '_') {
-				continue;
-			}
-
-			$info[$k] = $v;
-		}
-
-		return $info;
-	}
-
-
-	/**
-	 * @since 15.0.0
-	 *
-	 * On some version of PHP, it is better to force destruct the object.
-	 * And during the index, the number of generated IndexDocument can be
-	 * _huge_.
-	 */
-	public function __destruct() {
-		unset($this->id);
-		unset($this->providerId);
-		unset($this->access);
-		unset($this->modifiedTime);
-		unset($this->title);
-		unset($this->content);
-		unset($this->hash);
-		unset($this->link);
-		unset($this->source);
-		unset($this->tags);
-		unset($this->metaTags);
-		unset($this->subTags);
-		unset($this->more);
-		unset($this->excerpts);
-		unset($this->score);
-		unset($this->info);
-		unset($this->contentEncoded);
-	}
-
-	/**
-	 * @since 15.0.0
-	 *
-	 * @return array
-	 */
-	public function jsonSerialize() {
-		return [
-			'id' => $this->getId(),
-			'providerId' => $this->getProviderId(),
-			'access' => $this->access,
-			'modifiedTime' => $this->getModifiedTime(),
-			'title' => $this->getTitle(),
-			'link' => $this->getLink(),
-			'index' => $this->index,
-			'source' => $this->getSource(),
-			'info' => $this->getInfoAll(),
-			'hash' => $this->getHash(),
-			'contentSize' => $this->getContentSize(),
-			'tags' => $this->getTags(),
-			'metatags' => $this->getMetaTags(),
-			'subtags' => $this->getSubTags(),
-			'more' => $this->getMore(),
-			'excerpts' => $this->getExcerpts(),
-			'score' => $this->getScore()
-		];
-	}
+    /** @var array */
+    protected $tags = [];
+
+    /** @var array */
+    protected $metaTags = [];
+
+    /** @var array */
+    protected $subTags = [];
+
+    /** @var string */
+    protected $title = '';
+
+    /** @var string */
+    protected $content = '';
+
+    /** @var string */
+    protected $hash = '';
+
+    /** @var array */
+    protected $parts = [];
+
+    /** @var string */
+    protected $link = '';
+
+    /** @var array */
+    protected $more = [];
+
+    /** @var array */
+    protected $excerpts = [];
+
+    /** @var string */
+    protected $score = '';
+
+    /** @var array */
+    protected $info = [];
+
+    /** @var int */
+    protected $contentEncoded = 0;
+
+
+    /**
+     * IndexDocument constructor.
+     *
+     * On creation, we assure the uniqueness of the object using the providerId
+     * and the Id of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param string $providerId
+     * @param string $documentId
+     */
+    public function __construct(string $providerId, string $documentId) {
+        $this->providerId = $providerId;
+        $this->id = $documentId;
+    }
+
+
+    /**
+     * Returns the Id of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getId(): string {
+        return $this->id;
+    }
+
+
+    /**
+     * Returns the Id of the provider.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getProviderId(): string {
+        return $this->providerId;
+    }
+
+
+    /**
+     * Set the Index related to the IndexDocument.
+     *
+     * @see IIndex
+     *
+     * @since 15.0.0
+     *
+     * @param IIndex $index
+     *
+     * @return IndexDocument
+     */
+    final public function setIndex(IIndex $index): IndexDocument {
+        $this->index = $index;
+
+        return $this;
+    }
+
+    /**
+     * Get the Index.
+     *
+     * @since 15.0.0
+     *
+     * @return IIndex
+     */
+    final public function getIndex(): IIndex {
+        return $this->index;
+    }
+
+
+    /**
+     * Set the modified time of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param int $modifiedTime
+     *
+     * @return IndexDocument
+     */
+    final public function setModifiedTime(int $modifiedTime): IndexDocument {
+        $this->modifiedTime = $modifiedTime;
+
+        return $this;
+    }
+
+    /**
+     * Get the modified time of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return int
+     */
+    final public function getModifiedTime(): int {
+        return $this->modifiedTime;
+    }
+
+    /**
+     * Check if the original document of the IndexDocument is older than $time.
+     *
+     * @since 15.0.0
+     *
+     * @param int $time
+     *
+     * @return bool
+     */
+    final public function isOlderThan(int $time): bool {
+        return ($this->modifiedTime < $time);
+    }
+
+
+    /**
+     * Set the read rights of the original document using a DocumentAccess.
+     *
+     * @see DocumentAccess
+     *
+     * @since 15.0.0
+     *
+     * @param DocumentAccess $access
+     *
+     * @return $this
+     */
+    final public function setAccess(DocumentAccess $access) {
+        $this->access = $access;
+
+        return $this;
+    }
+
+    /**
+     * Get the DocumentAccess related to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return DocumentAccess
+     */
+    final public function getAccess(): DocumentAccess {
+        return $this->access;
+    }
+
+
+    /**
+     * Add a tag to the list.
+     *
+     * @since 15.0.0
+     *
+     * @param string $tag
+     *
+     * @return IndexDocument
+     */
+    final public function addTag(string $tag): IndexDocument {
+        $this->tags[] = $tag;
+
+        return $this;
+    }
+
+    /**
+     * Set the list of tags assigned to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param array $tags
+     *
+     * @return IndexDocument
+     */
+    final public function setTags(array $tags): IndexDocument {
+        $this->tags = $tags;
+
+        return $this;
+    }
+
+    /**
+     * Get the list of tags assigned to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getTags(): array {
+        return $this->tags;
+    }
+
+
+    /**
+     * Add a meta tag to the list.
+     *
+     * @since 15.0.0
+     *
+     * @param string $tag
+     *
+     * @return IndexDocument
+     */
+    final public function addMetaTag(string $tag): IndexDocument {
+        $this->metaTags[] = $tag;
+
+        return $this;
+    }
+
+    /**
+     * Set the list of meta tags assigned to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param array $tags
+     *
+     * @return IndexDocument
+     */
+    final public function setMetaTags(array $tags): IndexDocument {
+        $this->metaTags = $tags;
+
+        return $this;
+    }
+
+    /**
+     * Get the list of meta tags assigned to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getMetaTags(): array {
+        return $this->metaTags;
+    }
+
+
+    /**
+     * Add a sub tag to the list.
+     *
+     * @since 15.0.0
+     *
+     * @param string $sub
+     * @param string $tag
+     *
+     * @return IndexDocument
+     */
+    final public function addSubTag(string $sub, string $tag): IndexDocument {
+        $this->subTags[$sub] = $tag;
+
+        return $this;
+    }
+
+    /**
+     * Set the list of sub tags assigned to the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param array $tags
+     *
+     * @return IndexDocument
+     */
+    final public function setSubTags(array $tags): IndexDocument {
+        $this->subTags = $tags;
+
+        return $this;
+    }
+
+    /**
+     * Get the list of sub tags assigned to the original document.
+     * If $formatted is true, the result will be formatted in a one
+     * dimensional array.
+     *
+     * @since 15.0.0
+     *
+     * @param bool $formatted
+     *
+     * @return array
+     */
+    final public function getSubTags(bool $formatted = false): array {
+        if ($formatted === false) {
+            return $this->subTags;
+        }
+
+        $subTags = [];
+        $ak = array_keys($this->subTags);
+        foreach ($ak as $source) {
+            $tags = $this->subTags[$source];
+            foreach ($tags as $tag) {
+                $subTags[] = $source . '_' . $tag;
+            }
+        }
+
+        return $subTags;
+    }
+
+
+    /**
+     * Set the source of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param string $source
+     *
+     * @return IndexDocument
+     */
+    final public function setSource(string $source): IndexDocument {
+        $this->source = $source;
+
+        return $this;
+    }
+
+    /**
+     * Get the source of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getSource(): string {
+        return $this->source;
+    }
+
+
+    /**
+     * Set the title of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param string $title
+     *
+     * @return IndexDocument
+     */
+    final public function setTitle(string $title): IndexDocument {
+        $this->title = $title;
+
+        return $this;
+    }
+
+    /**
+     * Get the title of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getTitle(): string {
+        return $this->title;
+    }
+
+
+    /**
+     * Set the content of the document.
+     * $encoded can be NOT_ENCODED or ENCODED_BASE64 if the content is raw or
+     * encoded in base64.
+     *
+     * @since 15.0.0
+     *
+     * @param string $content
+     * @param int $encoded
+     *
+     * @return IndexDocument
+     */
+    final public function setContent(string $content, int $encoded = 0): IndexDocument {
+        $this->content = $content;
+        $this->contentEncoded = $encoded;
+
+        return $this;
+    }
+
+    /**
+     * Get the content of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getContent(): string {
+        return $this->content;
+    }
+
+    /**
+     * Returns the type of the encoding on the content.
+     *
+     * @since 15.0.0
+     *
+     * @return int
+     */
+    final public function isContentEncoded(): int {
+        return $this->contentEncoded;
+    }
+
+    /**
+     * Return the size of the content.
+     *
+     * @since 15.0.0
+     *
+     * @return int
+     */
+    final public function getContentSize(): int {
+        return strlen($this->getContent());
+    }
+
+
+    /**
+     * Generate an hash, based on the content of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return IndexDocument
+     */
+    final public function initHash(): IndexDocument {
+        if ($this->getContent() === '' || is_null($this->getContent())) {
+            return $this;
+        }
+
+        $this->hash = hash("md5", $this->getContent());
+
+        return $this;
+    }
+
+    /**
+     * Set the hash of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param string $hash
+     *
+     * @return IndexDocument
+     */
+    final public function setHash(string $hash): IndexDocument {
+        $this->hash = $hash;
+
+        return $this;
+    }
+
+    /**
+     * Get the hash of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getHash(): string {
+        return $this->hash;
+    }
+
+
+    /**
+     * Add a part, identified by a string, and its content.
+     *
+     * It is strongly advised to use alphanumerical chars with no space in the
+     * $part string.
+     *
+     * @since 15.0.0
+     *
+     * @param string $part
+     * @param string $content
+     *
+     * @return IndexDocument
+     */
+    final public function addPart(string $part, string $content): IndexDocument {
+        $this->parts[$part] = $content;
+
+        return $this;
+    }
+
+    /**
+     * Set all parts and their content.
+     *
+     * @since 15.0.0
+     *
+     * @param array $parts
+     *
+     * @return IndexDocument
+     */
+    final public function setParts(array $parts): IndexDocument {
+        $this->parts = $parts;
+
+        return $this;
+    }
+
+    /**
+     * Get all parts of the IndexDocument.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getParts(): array {
+        return $this->parts;
+    }
+
+
+    /**
+     * Add a link, usable by the frontend.
+     *
+     * @since 15.0.0
+     *
+     * @param string $link
+     *
+     * @return IndexDocument
+     */
+    final public function setLink(string $link): IndexDocument {
+        $this->link = $link;
+
+        return $this;
+    }
+
+    /**
+     * Get the link.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getLink(): string {
+        return $this->link;
+    }
+
+
+    /**
+     * Set more information that couldn't be set using other method.
+     *
+     * @since 15.0.0
+     *
+     * @param array $more
+     *
+     * @return IndexDocument
+     */
+    final public function setMore(array $more): IndexDocument {
+        $this->more = $more;
+
+        return $this;
+    }
+
+    /**
+     * Get more information.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getMore(): array {
+        return $this->more;
+    }
+
+
+    /**
+     * Add some excerpt of the content of the original document, usually based
+     * on the search request.
+     *
+     * @since 15.0.0
+     *
+     * @param string $excerpt
+     *
+     * @return IndexDocument
+     */
+    final public function addExcerpt(string $excerpt): IndexDocument {
+        $excerpt = $this->cleanExcerpt($excerpt);
+
+        $this->excerpts[] = $excerpt;
+
+        return $this;
+    }
+
+    /**
+     * Set all excerpts of the content of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @param array $excerpts
+     *
+     * @return IndexDocument
+     */
+    final public function setExcerpts(array $excerpts): IndexDocument {
+        $excerpts = array_map([$this, 'cleanExcerpt'], $excerpts);
+
+        $this->excerpts = $excerpts;
+
+        return $this;
+    }
+
+    /**
+     * Get all excerpts of the content of the original document.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getExcerpts(): array {
+        return $this->excerpts;
+    }
+
+    /**
+     * Clean excerpt.
+     *
+     * @since 15.0.0
+     *
+     * @param string $excerpt
+     *
+     * @return string
+     */
+    final public function cleanExcerpt(string $excerpt): string {
+        $excerpt = str_replace("\\n", ' ', $excerpt);
+        $excerpt = str_replace("\\r", ' ', $excerpt);
+        $excerpt = str_replace("\\t", ' ', $excerpt);
+        $excerpt = str_replace("\n", ' ', $excerpt);
+        $excerpt = str_replace("\r", ' ', $excerpt);
+        $excerpt = str_replace("\t", ' ', $excerpt);
+
+        return $excerpt;
+    }
+
+    /**
+     * Set the score to the result assigned to this document during a search
+     * request.
+     *
+     * @since 15.0.0
+     *
+     * @param string $score
+     *
+     * @return IndexDocument
+     */
+    final public function setScore(string $score): IndexDocument {
+        $this->score = $score;
+
+        return $this;
+    }
+
+    /**
+     * Get the score.
+     *
+     * @since 15.0.0
+     *
+     * @return string
+     */
+    final public function getScore(): string {
+        return $this->score;
+    }
+
+
+    /**
+     * Set some information about the original document that will be available
+     * to the front-end when displaying search result. (as string)
+     * Because this information will not be indexed, this method can also be
+     * used to manage some data while filling the IndexDocument before its
+     * indexing.
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param string $value
+     *
+     * @return IndexDocument
+     */
+    final public function setInfo(string $info, string $value): IndexDocument {
+        $this->info[$info] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get an information about a document. (string)
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param string $default
+     *
+     * @return string
+     */
+    final public function getInfo(string $info, string $default = ''): string {
+        if (!key_exists($info, $this->info)) {
+            return $default;
+        }
+
+        return $this->info[$info];
+    }
+
+    /**
+     * Set some information about the original document that will be available
+     * to the front-end when displaying search result. (as array)
+     * Because this information will not be indexed, this method can also be
+     * used to manage some data while filling the IndexDocument before its
+     * indexing.
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param array $value
+     *
+     * @return IndexDocument
+     */
+    final public function setInfoArray(string $info, array $value): IndexDocument {
+        $this->info[$info] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get an information about a document. (array)
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param array $default
+     *
+     * @return array
+     */
+    final public function getInfoArray(string $info, array $default = []): array {
+        if (!key_exists($info, $this->info)) {
+            return $default;
+        }
+
+        return $this->info[$info];
+    }
+
+    /**
+     * Set some information about the original document that will be available
+     * to the front-end when displaying search result. (as int)
+     * Because this information will not be indexed, this method can also be
+     * used to manage some data while filling the IndexDocument before its
+     * indexing.
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param int $value
+     *
+     * @return IndexDocument
+     */
+    final public function setInfoInt(string $info, int $value): IndexDocument {
+        $this->info[$info] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get an information about a document. (int)
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param int $default
+     *
+     * @return int
+     */
+    final public function getInfoInt(string $info, int $default = 0): int {
+        if (!key_exists($info, $this->info)) {
+            return $default;
+        }
+
+        return $this->info[$info];
+    }
+
+    /**
+     * Set some information about the original document that will be available
+     * to the front-end when displaying search result. (as bool)
+     * Because this information will not be indexed, this method can also be
+     * used to manage some data while filling the IndexDocument before its
+     * indexing.
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param bool $value
+     *
+     * @return IndexDocument
+     */
+    final public function setInfoBool(string $info, bool $value): IndexDocument {
+        $this->info[$info] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get an information about a document. (bool)
+     *
+     * @since 15.0.0
+     *
+     * @param string $info
+     * @param bool $default
+     *
+     * @return bool
+     */
+    final public function getInfoBool(string $info, bool $default = false): bool {
+        if (!key_exists($info, $this->info)) {
+            return $default;
+        }
+
+        return $this->info[$info];
+    }
+
+    /**
+     * Get all info.
+     *
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    final public function getInfoAll(): array {
+
+        $info = [];
+        foreach ($this->info as $k => $v) {
+            if (substr($k, 0, 1) === '_') {
+                continue;
+            }
+
+            $info[$k] = $v;
+        }
+
+        return $info;
+    }
+
+
+    /**
+     * @since 15.0.0
+     *
+     * On some version of PHP, it is better to force destruct the object.
+     * And during the index, the number of generated IndexDocument can be
+     * _huge_.
+     */
+    public function __destruct() {
+        unset($this->id);
+        unset($this->providerId);
+        unset($this->access);
+        unset($this->modifiedTime);
+        unset($this->title);
+        unset($this->content);
+        unset($this->hash);
+        unset($this->link);
+        unset($this->source);
+        unset($this->tags);
+        unset($this->metaTags);
+        unset($this->subTags);
+        unset($this->more);
+        unset($this->excerpts);
+        unset($this->score);
+        unset($this->info);
+        unset($this->contentEncoded);
+    }
+
+    /**
+     * @since 15.0.0
+     *
+     * @return array
+     */
+    public function jsonSerialize() {
+        return [
+            'id' => $this->getId(),
+            'providerId' => $this->getProviderId(),
+            'access' => $this->access,
+            'modifiedTime' => $this->getModifiedTime(),
+            'title' => $this->getTitle(),
+            'link' => $this->getLink(),
+            'index' => $this->index,
+            'source' => $this->getSource(),
+            'info' => $this->getInfoAll(),
+            'hash' => $this->getHash(),
+            'contentSize' => $this->getContentSize(),
+            'tags' => $this->getTags(),
+            'metatags' => $this->getMetaTags(),
+            'subtags' => $this->getSubTags(),
+            'more' => $this->getMore(),
+            'excerpts' => $this->getExcerpts(),
+            'score' => $this->getScore()
+        ];
+    }
 
 }