implemented article composer functionality + interface, login & signup functionality + interface, auth permission functionality reflected in the nav, and determined a unified accent color accessible in dark and light mode

functions/article_functions.php

@@ -4,7 +4,7 @@ require 'db_functions.php';
 function article_ids_by_recency()
 {
     $query = 'SELECT article_id FROM article ORDER BY published_at DESC;';
-    $results = query_db_one_or_more_results($query);
+    $results = query_one_or_more_results($query);
 
     $ids = [];
 
@@ -14,10 +14,22 @@ function article_ids_by_recency()
     return $ids;
 }
 
+function article_tags()
+{
+    $query = 'SELECT * FROM tags;';
+    $results = query_one_or_more_results($query);
+    $tags = [];
+
+    while ($row = mysqli_fetch_array($results))
+        $tags[] = $row;
+
+    return $tags;
+}
+
 function article_ids_by_tag($tag_id)
 {
     $query = 'SELECT article_id FROM article_tags INNER JOIN tags ON article_tags.tag_id = tags.tag_id WHERE tag = "' . $tag_id . '";';
-    $results = query_db_one_or_more_results($query);
+    $results = query_one_or_more_results($query);
 
     $ids = [];
 
@@ -33,12 +45,13 @@ function article_ids_by_tag($tag_id)
 function article_page_from_markdown($article_id)
 {
     $query = 'SELECT * FROM article WHERE article_id = ' . $article_id . ';';
-    $article = query_db_one_result($query);
+    $article = query_one_result($query);
     $markdown = read_file_one_string($_ENV['ARTICLES_PATH'] . $article_id . '/article.md');
 
     $parsedown = new Parsedown();
 
     $html = '<div class="article">';
+    $html .= '<h3>' . $article['title'] . '</h3>';
     $html .= $parsedown->text($markdown);
     $html .= '</div>';
 
@@ -51,10 +64,10 @@ function article_page_from_markdown($article_id)
 function article_card($article_id)
 {
     $article_query = 'SELECT * FROM article WHERE article_id = ' . $article_id . ';';
-    $article = query_db_one_result($article_query);
+    $article = query_one_result($article_query);
 
     $article_tags_query = 'SELECT tag FROM article_tags INNER JOIN tags ON article_tags.tag_id = tags.tag_id WHERE article_id = ' . $article_id . ';';
-    $tags_results = query_db_one_or_more_results($article_tags_query);
+    $tags_results = query_one_or_more_results($article_tags_query);
     $tags_html = '';
     if ($tags_results != null) {
         $tags_html .= '<div class="tag_row">';
@@ -66,7 +79,7 @@ function article_card($article_id)
     }
 
     $author_query = 'SELECT username, profile_picture FROM user WHERE user_id = ' . $article['author_id'] . ';';
-    $author = query_db_one_result($author_query);
+    $author = query_one_result($author_query);
 
     $card = '
         <div class="article_card">
@@ -94,7 +107,44 @@ function article_card($article_id)
     return $card;
 }
 
-/*
- * Displays the article creation wizard and opens a new markdown file.
- */
-function create_article() {}
+function create_article($author_id, $title, $excerpt, $tags, $markdown_file_contents)
+{
+    $stmt = 'INSERT INTO article (author_id, title, excerpt, published_at) VALUES (' . $author_id . ', "' . $title . '", "' . $excerpt . '", CURRENT_TIMESTAMP);';
+    $id = exec_statement($stmt, 0);
+
+    $path = $_ENV['ARTICLES_PATH'] . $id . '/';
+    mkdir($path);
+    $fs = fopen($path . 'article.md', 'a');
+    fwrite($fs, $markdown_file_contents);
+    fclose($fs);
+
+    $stmt = 'INSERT INTO article_tags (article_id, tag_id) VALUES ';
+    for ($i = 0; $i < count($tags); $i++) {
+        $stmt .= '(' . $id . ', ' . $tags[$i] . ')';
+
+        if ($i < count($tags) - 1)
+            $stmt .= ', ';
+
+        if ($i == count($tags) - 1)
+            $stmt .= ';';
+    }
+
+    echo $stmt;
+    pretty_dump($tags);
+    if (count($tags) > 0)
+        exec_statement($stmt, 0);
+
+    return $id;
+}
+
+function delete_article($article_id)
+{
+    $stmt = 'DELETE FROM article WHERE article_id = ' . $article_id . ';';
+    return exec_statement($stmt, 1);
+}
+
+function delete_articles_by_author($author_id)
+{
+    $stmt = 'DELETE FROM article WHERE author_id = "' . $author_id . '";';
+    return exec_statement($stmt, 1);
+}