Basic support for pagination

[cx.git] / cx / lib / posts.php

diff --git a/cx/lib/posts.php b/cx/lib/posts.php
index d07f999e7ade38e004e6790e28de4059c7928000..7b1316643984a0ad2569831c7e820833df4a9874 100644 (file)
--- a/cx/lib/posts.php
+++ b/cx/lib/posts.php
@@ -2,12 +2,16 @@
 
 cx_require('lib', 'db.php');
 cx_require('lib', 'setup.php');
-cx_require('third_party', 'parsedown', 'Parsedown.php');
+cx_require('lib', 'markdown.php');
 
-function mk_markdown($markdown) {
-       static $Parsedown = new Parsedown();
+class PostMetadata {
+       public $hero_image;
+       public $hero_image_alt;
 
-       return $Parsedown->text($markdown);
+       public function __construct($dict) {
+               $this->hero_image = isset($dict['post_hero_image']) ? $dict['post_hero_image'] : null;
+               $this->hero_image_alt = isset($dict['post_hero_image_alt']) ? $dict['post_hero_image_alt'] : null;
+       }
 }
 
 class Post {
@@ -15,6 +19,7 @@ class Post {
        public $title;
        public $slug;
        public $date;
+       public $is_draft;
        public $data;
        public $html_content;
        public $html_excerpt;
@@ -24,15 +29,32 @@ class Post {
                $this->title = $dict['post_title'];
                $this->slug = $dict['post_slug'];
                $this->date = $dict['post_date'];
+               $this->is_draft = $dict['post_is_draft'];
                $this->data = $dict['post_data'];
-               $this->html_content = mk_markdown($this->data);
+               $this->html_content = cx_markdown_generate_html($this->data);
                $this->html_excerpt = null;
 
                // Read more...
                $segments = explode('---', $this->data, 2);
                if (count($segments) > 1) {
-                       $this->html_excerpt = mk_markdown($segments[0]);
+                       $this->html_excerpt = cx_markdown_generate_html($segments[0]);
+               }
+       }
+
+       public function get_metadata() {
+               $data = [];
+
+               $doc = new DOMDocument();
+               $doc->loadHTML($this->html_content);
+
+               $image_tag = $doc->getElementsByTagName('img')[0];
+
+               if ($image_tag != null) {
+                       $data['post_hero_image'] = $image_tag->getAttribute('src');
+                       $data['post_hero_image_alt'] = htmlspecialchars($image_tag->getAttribute('alt'));
                }
+
+               return new PostMetadata($data);
        }
 }
 
@@ -49,7 +71,7 @@ function cx_post_make_slug($title) {
        return $slug;
 }
 
-function cx_posts_add_post($site_id, $title, $slug, $date, $data) {
+function cx_posts_add_post($site_id, $title, $slug, $date, $draft, $data) {
        $creation_time = $update_time = time();
        
        if ($slug == null) {
@@ -67,14 +89,15 @@ function cx_posts_add_post($site_id, $title, $slug, $date, $data) {
                        post_slug,
                        post_date,
                        post_is_page,
+                       post_is_draft,
                        post_title,
                        post_data,
                        post_data_version)
-               VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);';
-       cx_db_exec($sql, $site_id, $creation_time, $update_time, $slug, $date, false, $title, $data, 1);
+               VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);';
+       cx_db_exec($sql, $site_id, $creation_time, $update_time, $slug, $date, false, $draft, $title, $data, 1);
 }
 
-function cx_posts_update_post($post_id, $title, $slug, $date, $data) {
+function cx_posts_update_post($post_id, $title, $slug, $date, $draft, $data) {
        $update_time = time();
        
        if ($slug == null) {
@@ -89,11 +112,12 @@ function cx_posts_update_post($post_id, $title, $slug, $date, $data) {
                SET post_update_time = ?,
                post_slug = ?,
                post_date = ?,
+               post_is_draft = ?,
                post_title = ?,
                post_data = ?
                WHERE post_id == ?;';
                //LIMIT 1;';
-       cx_db_exec($sql, $update_time, $slug, $date , $title, $data, $post_id);
+       cx_db_exec($sql, $update_time, $slug, $date, $draft, $title, $data, $post_id);
 }
 
 function cx_posts_delete_post($post_id) {
@@ -103,20 +127,30 @@ function cx_posts_delete_post($post_id) {
        cx_db_exec($sql, $post_id);
 }
 
-function cx_posts_get(int $limit = 0) {
+function cx_posts_get(int $limit = 0, int $offset = 0, bool $include_drafts = false) {
        $sql = 'SELECT
                post_id,
                post_slug,
                post_date,
+               post_is_draft,
                post_title,
                post_data
                FROM posts
-               WHERE post_is_page==FALSE
-               ORDER BY post_date DESC';
+               WHERE post_is_page == FALSE';
+       
+       if ($include_drafts == false) {
+               $sql .= ' AND post_is_draft == FALSE';
+       }
+
+       $sql .= ' ORDER BY post_date DESC';
        
        if ($limit > 0) {
                $sql .= ' LIMIT ' . $limit;
        }
+       
+       if ($offset > 0) {
+               $sql .= ' OFFSET ' . $offset;
+       }
 
        $sql .= ';';
 
@@ -131,6 +165,7 @@ function cx_posts_find_post($post_id) {
                post_id,
                post_slug,
                post_date,
+               post_is_draft,
                post_title,
                post_data
                FROM posts
@@ -165,10 +200,12 @@ function cx_pages_get() {
                post_id,
                post_slug,
                post_date,
+               post_is_draft,
                post_title,
                post_data
                FROM posts
                WHERE post_is_page == TRUE
+               AND post_is_draft == FALSE
                ORDER BY post_creation_time DESC;';
 
        foreach (cx_db_query($sql) as $post) {
@@ -186,6 +223,7 @@ cx_setup_register(1, function() {
                        post_slug STRING,
                        post_date INTEGER,
                        post_is_page BOOLEAN,
+                       post_is_draft BOOLEAN,
                        post_title STRING,
                        post_data BLOB,
                        post_data_version INTEGER,