Remove FreshRSS_Searchable for better types (#5212)

* Remove FreshRSS_Searchable for better types
The interface was not used, and it was preventing more precise types for the different `searchById()` methods, as they each have different input and output types.

* Fix type

app/Models/CategoryDAO.php

@@ -1,6 +1,6 @@
 <?php
 
-class FreshRSS_CategoryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
+class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 
 	const DEFAULTCATEGORYID = 1;
 
@@ -224,8 +224,7 @@ SQL;
 		}
 	}
 
-	/** @return FreshRSS_Category|null */
-	public function searchById($id) {
+	public function searchById(int $id): ?FreshRSS_Category {
 		$sql = 'SELECT * FROM `_category` WHERE id=:id';
 		$stm = $this->pdo->prepare($sql);
 		if ($stm &&

app/Models/EntryDAO.php

@@ -1,6 +1,6 @@
 <?php
 
-class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
+class FreshRSS_EntryDAO extends Minz_ModelPdo {
 
 	public static function isCompressed(): bool {
 		return true;
@@ -732,8 +732,7 @@ SQL;
 		return isset($res[0]) ? FreshRSS_Entry::fromArray($res[0]) : null;
 	}
 
-	/** @return FreshRSS_Entry|null */
-	public function searchById($id) {
+	public function searchById(string $id): ?FreshRSS_Entry {
 		$sql = 'SELECT id, guid, title, author, '
 			. (static::isCompressed() ? 'UNCOMPRESS(content_bin) AS content' : 'content')
 			. ', link, date, is_read, is_favorite, id_feed, tags, attributes '

app/Models/FeedDAO.php

@@ -1,6 +1,6 @@
 <?php
 
-class FreshRSS_FeedDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
+class FreshRSS_FeedDAO extends Minz_ModelPdo {
 
 	protected function addColumn(string $name) {
 		if ($this->pdo->inTransaction()) {
@@ -284,10 +284,7 @@ SQL;
 		}
 	}
 
-	/**
-	 * @return FreshRSS_Feed|null
-	 */
-	public function searchById($id) {
+	public function searchById(int $id): ?FreshRSS_Feed {
 		$sql = 'SELECT * FROM `_feed` WHERE id=:id';
 		$stm = $this->pdo->prepare($sql);
 		$stm->bindParam(':id', $id, PDO::PARAM_INT);

app/Models/Searchable.php

@@ -1,10 +0,0 @@
-<?php
-
-interface FreshRSS_Searchable {
-
-	/**
-	 * @param int|string $id
-	 * @return Minz_Model
-	 */
-	public function searchById($id);
-}

app/Models/TagDAO.php

@@ -1,6 +1,6 @@
 <?php
 
-class FreshRSS_TagDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
+class FreshRSS_TagDAO extends Minz_ModelPdo {
 
 	public function sqlIgnore(): string {
 		return 'IGNORE';
@@ -197,10 +197,7 @@ SQL;
 		}
 	}
 
-	/**
-	 * @return FreshRSS_Tag|null
-	 */
-	public function searchById($id) {
+	public function searchById(int $id): ?FreshRSS_Tag {
 		$sql = 'SELECT * FROM `_tag` WHERE id=?';
 		$stm = $this->pdo->prepare($sql);
 		$values = array($id);

p/api/fever.php

@@ -474,7 +474,7 @@ final class FeverAPI
 				$group_ids = explode(',', $_REQUEST['group_ids']);
 				$feeds = [];
 				foreach ($group_ids as $id) {
-					$category = $categoryDAO->searchById($id);	//TODO: Transform to SQL query without loop! Consider FreshRSS_CategoryDAO::listCategories(true)
+					$category = $categoryDAO->searchById((int)$id);	//TODO: Transform to SQL query without loop! Consider FreshRSS_CategoryDAO::listCategories(true)
 					if ($category == null) {
 						continue;
 					}