From 523a84dd4b7cb611955e949fd6debc4a3c037b91 Mon Sep 17 00:00:00 2001
From: "David T. Sadler" <davidtsadler@googlemail.com>
Date: Mon, 11 Oct 2021 21:49:47 +0100
Subject: Implement very basic editing

---
 public/edit/index.php          | 33 ++++++++++++++++++++
 src/DTS/BookmarkRepository.php | 69 ++++++++++++++++++++++++++++++++++--------
 src/templates/edit.php         | 17 +++++++++++
 src/templates/index.php        |  2 +-
 4 files changed, 107 insertions(+), 14 deletions(-)
 create mode 100644 public/edit/index.php
 create mode 100644 src/templates/edit.php

diff --git a/public/edit/index.php b/public/edit/index.php
new file mode 100644
index 0000000..0cc1c27
--- /dev/null
+++ b/public/edit/index.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+use DTS\BookmarkRepository;
+use DTS\Template;
+use function DTS\Functions\respondAndExit;
+
+require_once(__DIR__.'/../../autoload.php');
+
+$config = require_once(__DIR__.'/../../config.php');
+
+$bookmarks = new BookmarkRepository($config['path_to_repository']);
+
+$template = new Template($config['path_to_templates']);
+
+$id = filter_input(INPUT_GET, 'id') ?? filter_input(INPUT_POST, 'id') ?? null;
+
+$bookmarks->load();
+
+$bookmark = $bookmarks->find($id);
+
+if ('POST' === filter_input(INPUT_SERVER, 'REQUEST_METHOD')) {
+    $bookmark->url = $_POST['url'];
+    $bookmark->title = $_POST['title'];
+    $bookmark->tag = $_POST['tag'];
+
+    $bookmarks->update($bookmark);
+}
+
+$html = $template->render('edit', compact('bookmark'));
+
+respondAndExit(200, 'OK', $html);
diff --git a/src/DTS/BookmarkRepository.php b/src/DTS/BookmarkRepository.php
index ab54594..d673338 100644
--- a/src/DTS/BookmarkRepository.php
+++ b/src/DTS/BookmarkRepository.php
@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace DTS;
 
+use DTS\Bookmark;
+
 class BookmarkRepository implements \Iterator
 {
     private string $pathToRepository;
@@ -61,24 +63,32 @@ class BookmarkRepository implements \Iterator
         return $this;
     }
 
+    public function find(string $id): ?Bookmark
+    {
+        $index = $this->findBookmarkIndex($id);
+
+        return $this->repository[$index] ?? null; 
+    }
+
     public function add(Bookmark $bookmark): bool
     {
-        if (($fp = fopen($this->pathToRepository, 'a')) === FALSE) {
-            throw new \Exception("Unable to open repository {$this->pathToRepository}");
-        }
+        $this->repository[] = $bookmark;
 
-        $saved = fputcsv($fp, [
-            $bookmark->id,
-            $bookmark->url,
-            $bookmark->title,
-            $bookmark->tag,
-            $bookmark->addedAt,
-            (int)$bookmark->unread,
-        ]);
+        return $this->store();
+    }
 
-        fclose($fp);
+    public function update(Bookmark $bookmark): bool
+    {
+        $index = $this->findBookmarkIndex($bookmark->id);
+
+        if ($index !== null) {
+            $this->repository[$index] = $bookmark;
+            print_r($bookmark);
 
-        return $saved !== false;
+            return $this->store();
+        }
+
+        return false;
     }
 
     public function current(): mixed
@@ -105,4 +115,37 @@ class BookmarkRepository implements \Iterator
     {
         return isset($this->repository[$this->position]);
     }
+
+    private function findBookmarkIndex(string $id): ?int
+    {
+        foreach ($this->repository as $index => $bookmark) {
+            if ($bookmark->id == $id) {
+                return $index;
+            }
+        }
+
+        return null;
+    }
+
+    public function store(): bool
+    {
+        if (($fp = fopen($this->pathToRepository, 'w')) === FALSE) {
+            throw new \Exception("Unable to open repository {$this->pathToRepository}");
+        }
+
+        foreach ($this->repository as $bookmark) {
+            fputcsv($fp, [
+                $bookmark->id,
+                $bookmark->url,
+                $bookmark->title,
+                $bookmark->tag,
+                $bookmark->addedAt,
+                (int)$bookmark->unread,
+            ]);
+        }
+
+        fclose($fp);
+
+        return true;
+    }
 }
diff --git a/src/templates/edit.php b/src/templates/edit.php
new file mode 100644
index 0000000..a3c6930
--- /dev/null
+++ b/src/templates/edit.php
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <title>Bookmarks</title>
+    </head>
+    <body>
+        <form action="/edit" method="POST">
+            <input type="hidden" name="id" value="<?php echo $bookmark->id; ?>"/>
+            <input type="text" name="url" maxlength="512" autofocus value="<?php echo $bookmark->url; ?>"><br>
+            <input type="text" name="title" maxlength="256" value="<?php echo $bookmark->title; ?>"><br>
+            <input type="text" name="tag" maxlength="8" value="<?php echo $bookmark->tag; ?>"><br>
+            <button type="submit">Update</button> 
+        </form>
+    </body>
+</html>
diff --git a/src/templates/index.php b/src/templates/index.php
index 9656551..2703851 100644
--- a/src/templates/index.php
+++ b/src/templates/index.php
@@ -8,7 +8,7 @@
     <body>
     <ul>
         <?php foreach ($bookmarks as $bookmark) { ?>
-            <li><?php echo "[$bookmark->id] $bookmark->url"; ?></li>
+            <li><a href="/edit?id=<?php echo $bookmark->id; ?>"><?php echo $bookmark->title; ?></a></li>
         <?php } ?> 
     </ul>
     </body>
-- 
cgit v1.2.3-13-gbd6f