old/application/models/DatabaseModel.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class DatabaseModel extends CI_Model
{
    public function __construct()
    {
        parent::__construct();
        $this->createMissingDatabases();
    }

    public function createMissingDatabases()
    {
        //$this->createDatabases();
        $this->createTables();
        //$this->addIndices();
        //$this->addAutoIncrements();
        //$this->addConstraints();

        $this->fillBlogTables();
        $this->fillFeedbackTable();
        $this->fillMainTable();
        $this->fillProjectsTable();
    }

    private function createDatabases()
    {
//        $this->db->query('CREATE DATABASE IF NOT EXISTS `blog` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci');
//        $this->db->query('CREATE DATABASE IF NOT EXISTS `kingofdog` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci');
//        $this->db->query('CREATE DATABASE IF NOT EXISTS `portfolio` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci');
//        $this->db->query('CREATE DATABASE IF NOT EXISTS `social_media` DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci');
        $this->db->query('SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;');
    }

    private function createTables()
    {
        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_categories` (
    `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(25) NOT NULL,
  `display_name` varchar(50) NOT NULL,
  PRIMARY KEY (`ID`),
  UNIQUE KEY `blog_categories_name_display_name_uindex` (`name`, `display_name`)
) ENGINE = InnoDB DEFAULT CHARSET = latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_comments` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `post_id` int(11) NOT NULL,
  `user_id` int(11) NOT NULL,
  `comment` text NOT NULL,
  `date_created` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `like_count` int(11) NOT NULL,
  `reply` tinyint(1) NOT NULL DEFAULT '0',
  `replyTo_id` int(11) DEFAULT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_content` (
  `contentID` int(11) NOT NULL AUTO_INCREMENT,
  `postID` int(11) NOT NULL,
  `contentDate` datetime NOT NULL,
  `content` mediumtext COLLATE utf8mb4_bin NOT NULL,
  `contentAuthorID` int(11) DEFAULT NULL,
  `isNativePost` tinyint(1) NOT NULL,
  `isActive` tinyint(1) NOT NULL,
  `versionMessage` varchar(300) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `language` varchar(10) CHARACTER SET latin1 DEFAULT NULL,
  `wordCount` int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (`contentID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_posts` (
  `postID` int(11) NOT NULL AUTO_INCREMENT,
  `postUrl` varchar(300) CHARACTER SET latin1 DEFAULT NULL,
  `postPublishDate` datetime DEFAULT NULL,
  `postLastEdit` datetime DEFAULT NULL,
  `postAuthorID` int(11) DEFAULT NULL,
  `postImage` text CHARACTER SET latin1,
  `postState` varchar(50) CHARACTER SET latin1 NOT NULL,
  `postViews` int(11) NOT NULL DEFAULT '0',
  `postCategoryID` int(11) NOT NULL,
  `postIsDeleted` tinyint(1) NOT NULL DEFAULT '0',
  `postDeletedDate` datetime DEFAULT NULL,
  PRIMARY KEY (`postID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_post_likes` (
  `post_id` int(11) NOT NULL,
  `user_id` int(11) NOT NULL,
  PRIMARY KEY (`post_id`, `user_id`),
  KEY `fk_post_likes_user` (`user_id`),
  CONSTRAINT `fk_post_likes_post` FOREIGN KEY (`post_id`) REFERENCES `blog_posts` (`postID`),
  CONSTRAINT `fk_post_likes_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_post_tags` (
  `post_id` int(11) NOT NULL,
  `tag_id` int(11) NOT NULL,
  PRIMARY KEY (`post_id`, `tag_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_states` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(15) NOT NULL,
  `display_name` varchar(15) NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_tags` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(25) NOT NULL,
  `display_name` varchar(50) NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `blog_translations` (
  `postTranslationID` int(11) NOT NULL AUTO_INCREMENT,
  `postID` int(11) NOT NULL,
  `language` varchar(5) COLLATE utf8mb4_bin NOT NULL DEFAULT 'de',
  `postTitle` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  `postDesc` text COLLATE utf8mb4_bin,
  PRIMARY KEY (`postTranslationID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `calendar` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `title` varchar(300) NOT NULL,
  `allDay` tinyint(1) NOT NULL,
  `start` varchar(20) NOT NULL,
  `end` varchar(20) NOT NULL,
  `url` text NOT NULL,
  `overlap` tinyint(1) NOT NULL,
  `color` text NOT NULL,
  `textColor` text NOT NULL,
  `description` text NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `feedback` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `page` varchar(100) CHARACTER SET latin1 DEFAULT NULL,
  `message` text COLLATE utf8mb4_bin,
  `datetime` datetime DEFAULT CURRENT_TIMESTAMP,
  `anonymous` tinyint(1) DEFAULT '1',
  `userID` int(11) DEFAULT NULL,
  `email` varchar(50) CHARACTER SET latin1 DEFAULT NULL,
  `feedbackState` int(11) NOT NULL DEFAULT '0',
  `lastStateUpdate` datetime DEFAULT NULL,
  `feedbackStatusMessage` text COLLATE utf8mb4_bin,
  `supporterID` int(11) DEFAULT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `feedback_archive` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `page` varchar(100) CHARACTER SET latin1 DEFAULT NULL,
  `message` text COLLATE utf8mb4_bin,
  `datetime` datetime DEFAULT CURRENT_TIMESTAMP,
  `anonymous` tinyint(1) DEFAULT '1',
  `userID` int(11) DEFAULT NULL,
  `email` varchar(50) CHARACTER SET latin1 DEFAULT NULL,
  `feedbackState` int(11) NOT NULL DEFAULT '0',
  `feedbackStatusMessage` text COLLATE utf8mb4_bin,
  `supporterID` int(11) DEFAULT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `feedback_states` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(50) NOT NULL,
  `displayname` text NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `files` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(50) NOT NULL,
  `original_name` varchar(50) NOT NULL,
  `type` varchar(30) NOT NULL,
  `size` int(11) NOT NULL,
  `path` varchar(300) NOT NULL,
  `uploadDate` datetime DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `notifications` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `recipientID` int(11) NOT NULL,
  `senderID` int(11) NOT NULL,
  `unread` tinyint(1) NOT NULL,
  `type` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
  `referenceID` int(11) NOT NULL,
  `createdAt` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `parameters` text COLLATE utf8mb4_unicode_ci NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `projects` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) CHARACTER SET latin1 DEFAULT NULL,
  `datetime` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `source` text CHARACTER SET latin1,
  `isDownloadable` tinyint(1) NOT NULL DEFAULT '0',
  `downloadLink` text COLLATE utf8mb4_bin,
  `isOpenSource` tinyint(1) NOT NULL DEFAULT '0',
  `openSourceLink` text COLLATE utf8mb4_bin,
  `customLink` text COLLATE utf8mb4_bin,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `projects_categories` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `collection` text NOT NULL,
  `displayname` text NOT NULL,
  `displaynameEnglish` text NOT NULL,
  `displaynameFrench` text NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `projects_entry_categories` (
  `projectID` int(11) NOT NULL,
  `categoryID` int(11) NOT NULL,
  PRIMARY KEY (`projectID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `projects_entry_votes` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `projectID` int(11) NOT NULL,
  `userID` int(11) NOT NULL,
  `type` int(11) NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `projects_translations` (
  `translationID` int(11) NOT NULL AUTO_INCREMENT,
  `projectID` int(11) NOT NULL,
  `title` varchar(500) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  `description` text COLLATE utf8mb4_unicode_ci,
  `content` text COLLATE utf8mb4_unicode_ci,
  `downloadName` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  `openSourceName` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  `customLinkName` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  `lang` varchar(2) COLLATE utf8mb4_unicode_ci NOT NULL,
  PRIMARY KEY (`translationID`),
  UNIQUE KEY `projectID` (`projectID`, `lang`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `redirects` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `date` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `redirect` text NOT NULL,
  `url` text NOT NULL,
  `temporary` tinyint(1) NOT NULL,
  `expireDate` datetime DEFAULT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `social_posts` (
  `post_id` int(11) NOT NULL AUTO_INCREMENT,
  `post_plattform` varchar(20) CHARACTER SET latin1 NOT NULL,
  `post_content` text COLLATE utf8mb4_bin NOT NULL,
  `post_url` varchar(75) CHARACTER SET latin1 NOT NULL,
  `post_author` varchar(20) CHARACTER SET latin1 NOT NULL,
  `post_author_url` text CHARACTER SET latin1 NOT NULL,
  `post_date` int(11) NOT NULL,
  `post_img_source` text CHARACTER SET latin1,
  `post_original_id` bigint(20) NOT NULL,
  PRIMARY KEY (`post_id`),
  UNIQUE KEY `post_url` (`post_url`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `users` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `original_name` varchar(25) COLLATE utf8mb4_bin NOT NULL,
  `username` varchar(25) COLLATE utf8mb4_bin NOT NULL,
  `displayname` varchar(25) COLLATE utf8mb4_bin NOT NULL,
  `login_method` int(11) DEFAULT '0',
  `password` mediumtext COLLATE utf8mb4_bin,
  `email` mediumtext COLLATE utf8mb4_bin NOT NULL,
  `rank` mediumtext COLLATE utf8mb4_bin NOT NULL,
  `profile_picture` mediumtext COLLATE utf8mb4_bin NOT NULL,
  `header_image` mediumtext COLLATE utf8mb4_bin,
  `social_networks` mediumtext COLLATE utf8mb4_bin,
  `is_activated` tinyint(1) NOT NULL,
  `activation_key` varchar(256) COLLATE utf8mb4_bin DEFAULT NULL,
  `showAds` tinyint(1) NOT NULL DEFAULT '1',
  `date_created` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `isCurrentlyOnline` tinyint(1) DEFAULT '0',
  `lastOnlineUpdate` datetime DEFAULT NULL,
  `about` mediumtext COLLATE utf8mb4_bin NOT NULL,
  `lastLogin` datetime NOT NULL,
  `language` varchar(10) COLLATE utf8mb4_bin DEFAULT 'DE',
  `country` varchar(2) COLLATE utf8mb4_bin DEFAULT NULL,
  `gender` varchar(10) COLLATE utf8mb4_bin DEFAULT NULL,
  `birthdate` mediumtext COLLATE utf8mb4_bin,
  `birthyear` int(11) DEFAULT NULL,
  `receiveEmails` tinyint(1) NOT NULL DEFAULT '1',
  `receiveNewsletter` tinyint(1) NOT NULL DEFAULT '1',
  `forget_password_key` varchar(256) COLLATE utf8mb4_bin DEFAULT NULL,
  `isDeleted` tinyint(1) DEFAULT '0',
  UNIQUE KEY `id` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `users_history` (
  `changeID` int(11) NOT NULL AUTO_INCREMENT,
  `changeDate` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `ID` int(11) NOT NULL,
  `username` varchar(25) NOT NULL,
  `displayname` varchar(25) NOT NULL,
  `email` text NOT NULL,
  `rank` int(11) NOT NULL,
  `profile_picture` text NOT NULL,
  `header_image` text,
  `social_networks` text,
  `showAds` tinyint(1) NOT NULL DEFAULT '1',
  `about` text NOT NULL,
  `language` varchar(10) DEFAULT 'DE',
  `country` varchar(2) DEFAULT NULL,
  `gender` varchar(10) DEFAULT NULL,
  `birthdate` text,
  `birthyear` int(11) DEFAULT NULL,
  `receiveEmails` tinyint(1) NOT NULL DEFAULT '1',
  `receiveNewsletter` tinyint(1) NOT NULL DEFAULT '1',
  UNIQUE KEY `changeID` (`changeID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_followers` (
  `followedUserID` int(11) NOT NULL,
  `followerUserID` int(11) NOT NULL,
  `followedSince` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `uuid` varchar(32) CHARACTER SET latin1 NOT NULL,
  `user_id` int(11) DEFAULT NULL,
  `content` text CHARACTER SET utf8 COLLATE utf8_bin,
  `date` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `lastEditDate` datetime DEFAULT NULL,
  `reply_to` int(11) DEFAULT NULL,
  PRIMARY KEY (`ID`),
  UNIQUE KEY `user_posts_ID_uindex` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts_hashtags` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `userID` int(11) NOT NULL,
  `postID` int(11) NOT NULL,
  `hashtag` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
  `position` int(11) NOT NULL,
  PRIMARY KEY (`ID`),
  UNIQUE KEY `user_posts_hashtags_ID_uindex` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts_likes` (
  `postID` int(11) NOT NULL,
  `likedUserID` int(11) NOT NULL,
  `likerUserID` int(11) NOT NULL,
  PRIMARY KEY (`postID`,`likerUserID`),
  UNIQUE KEY `postID_2` (`postID`,`likerUserID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts_media` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `postID` int(11) NOT NULL,
  `mediaType` varchar(50) NOT NULL,
  `mediaUrl` text NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts_mentions` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `userID` int(11) NOT NULL,
  `postID` int(11) NOT NULL,
  `mentionedUserID` int(11) NOT NULL,
  `position` int(11) NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");

        $this->db->query("CREATE TABLE IF NOT EXISTS `user_posts_reports` (
  `ID` int(11) NOT NULL AUTO_INCREMENT,
  `postID` int(11) NOT NULL,
  `reason` varchar(255) NOT NULL,
  `reasonText` text NOT NULL,
  PRIMARY KEY (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;");
    }

    private function addIndices() {

        $this->db->query("ALTER TABLE `blog_comments`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_content`
  ADD PRIMARY KEY (`contentID`);");

        $this->db->query("ALTER TABLE `blog_posts`
  ADD PRIMARY KEY (`postID`);");

        $this->db->query("ALTER TABLE `blog_post_likes`
  ADD PRIMARY KEY (`post_id`,`user_id`),
  ADD KEY `fk_post_likes_user` (`user_id`);");

        $this->db->query("ALTER TABLE `blog_post_tags`
  ADD PRIMARY KEY (`post_id`,`tag_id`);");

        $this->db->query("ALTER TABLE `blog_states`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_tags`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_translations`
  ADD PRIMARY KEY (`postTranslationID`);");

        $this->db->query("ALTER TABLE `calendar`
  ADD PRIMARY KEY (`id`);");

        $this->db->query("ALTER TABLE `feedback`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `feedback_archive`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `feedback_states`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `files`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `notifications`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_categories`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_entry_votes`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_translations`
  ADD PRIMARY KEY (`translationID`),
  ADD UNIQUE KEY `projectID` (`projectID`,`lang`);");

        $this->db->query("ALTER TABLE `redirects`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `social_posts`
  ADD PRIMARY KEY (`post_id`),
  ADD UNIQUE KEY `post_url` (`post_url`);");

        $this->db->query("ALTER TABLE `users`
  ADD UNIQUE KEY `id` (`ID`);");

        $this->db->query("ALTER TABLE `users_history`
  ADD UNIQUE KEY `changeID` (`changeID`);");

        $this->db->query("ALTER TABLE `user_posts`
  ADD PRIMARY KEY (`ID`),
  ADD UNIQUE KEY `user_posts_ID_uindex` (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_hashtags`
  ADD PRIMARY KEY (`ID`),
  ADD UNIQUE KEY `user_posts_hashtags_ID_uindex` (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_likes`
  ADD PRIMARY KEY (`postID`,`likerUserID`),
  ADD UNIQUE KEY `postID_2` (`postID`,`likerUserID`);");

        $this->db->query("ALTER TABLE `user_posts_media`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_mentions`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_reports`
  ADD PRIMARY KEY (`ID`);");$this->db->query("ALTER TABLE `blog_categories`
  ADD PRIMARY KEY (`ID`),
  ADD UNIQUE KEY `blog_categories_name_display_name_uindex` (`name`,`display_name`);");

        $this->db->query("ALTER TABLE `blog_comments`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_content`
  ADD PRIMARY KEY (`contentID`);");

        $this->db->query("ALTER TABLE `blog_posts`
  ADD PRIMARY KEY (`postID`);");

        $this->db->query("ALTER TABLE `blog_post_likes`
  ADD PRIMARY KEY (`post_id`,`user_id`),
  ADD KEY `fk_post_likes_user` (`user_id`);");

        $this->db->query("ALTER TABLE `blog_post_tags`
  ADD PRIMARY KEY (`post_id`,`tag_id`);");

        $this->db->query("ALTER TABLE `blog_states`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_tags`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `blog_translations`
  ADD PRIMARY KEY (`postTranslationID`);");

        $this->db->query("ALTER TABLE `calendar`
  ADD PRIMARY KEY (`id`);");

        $this->db->query("ALTER TABLE `feedback`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `feedback_archive`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `feedback_states`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `files`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `notifications`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_categories`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_entry_votes`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `projects_translations`
  ADD PRIMARY KEY (`translationID`),
  ADD UNIQUE KEY `projectID` (`projectID`,`lang`);");

        $this->db->query("ALTER TABLE `redirects`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `social_posts`
  ADD PRIMARY KEY (`post_id`),
  ADD UNIQUE KEY `post_url` (`post_url`);");

        $this->db->query("ALTER TABLE `users`
  ADD UNIQUE KEY `id` (`ID`);");

        $this->db->query("ALTER TABLE `users_history`
  ADD UNIQUE KEY `changeID` (`changeID`);");

        $this->db->query("ALTER TABLE `user_posts`
  ADD PRIMARY KEY (`ID`),
  ADD UNIQUE KEY `user_posts_ID_uindex` (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_hashtags`
  ADD PRIMARY KEY (`ID`),
  ADD UNIQUE KEY `user_posts_hashtags_ID_uindex` (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_likes`
  ADD PRIMARY KEY (`postID`,`likerUserID`),
  ADD UNIQUE KEY `postID_2` (`postID`,`likerUserID`);");

        $this->db->query("ALTER TABLE `user_posts_media`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_mentions`
  ADD PRIMARY KEY (`ID`);");

        $this->db->query("ALTER TABLE `user_posts_reports`
  ADD PRIMARY KEY (`ID`);");
    }

    private function addAutoIncrements() {
        $this->db->query("ALTER TABLE `blog_categories`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=9;");

        $this->db->query("ALTER TABLE `blog_comments`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");

        $this->db->query("ALTER TABLE `blog_content`
  MODIFY `contentID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=89;");

        $this->db->query("ALTER TABLE `blog_posts`
  MODIFY `postID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=98;");

        $this->db->query("ALTER TABLE `blog_states`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=5;");

        $this->db->query("ALTER TABLE `blog_tags`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=61;");

        $this->db->query("ALTER TABLE `blog_translations`
  MODIFY `postTranslationID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=34;");

        $this->db->query("ALTER TABLE `calendar`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;");

        $this->db->query("ALTER TABLE `feedback`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;");

        $this->db->query("ALTER TABLE `feedback_archive`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");

        $this->db->query("ALTER TABLE `files`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=125;");

        $this->db->query("ALTER TABLE `notifications`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=74;");

        $this->db->query("ALTER TABLE `projects`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=64;");

        $this->db->query("ALTER TABLE `projects_categories`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=9;");

        $this->db->query("ALTER TABLE `projects_entry_votes`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=260;");

        $this->db->query("ALTER TABLE `projects_translations`
  MODIFY `translationID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=36;");

        $this->db->query("ALTER TABLE `redirects`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=47;");

        $this->db->query("ALTER TABLE `social_posts`
  MODIFY `post_id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=484298;");

        $this->db->query("ALTER TABLE `users`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=4;");

        $this->db->query("ALTER TABLE `users_history`
  MODIFY `changeID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=35;");

        $this->db->query("ALTER TABLE `user_posts`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=209;");

        $this->db->query("ALTER TABLE `user_posts_hashtags`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");

        $this->db->query("ALTER TABLE `user_posts_media`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");

        $this->db->query("ALTER TABLE `user_posts_mentions`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");

        $this->db->query("ALTER TABLE `user_posts_reports`
  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT;");
    }

    private function addConstraints() {
        $this->db->query("ALTER TABLE `blog_post_likes`
  ADD CONSTRAINT `fk_post_likes_post` FOREIGN KEY (`post_id`) REFERENCES `blog_posts` (`postID`),
  ADD CONSTRAINT `fk_post_likes_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`ID`);");
    }

    private function fillBlogTables()
    {
        if ($this->db->query('SELECT COUNT(*) count FROM blog_categories')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `blog_categories` (`ID`, `name`, `display_name`) VALUES
(1, 'design', 'Design'),
(2, 'development', 'Entwicklung & Programmierung'),
(3, 'internet', 'Internet'),
(4, 'minepoint', 'MinePoint'),
(5, 'social_media', 'Soziale Medien'),
(6, 'technic', 'Technik'),
(7, 'youtube', 'YouTube')");
        }
        if ($this->db->query('SELECT COUNT(*) count FROM blog_states')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `blog_states` (`ID`, `name`, `display_name`) VALUES
(1, 'published', 'Veröffentlicht'),
(2, 'draft', 'Entwurf'),
(3, 'pending', 'Geplant'),
(4, 'trashbin', 'Im Papierkorb')");
        }
        if ($this->db->query('SELECT COUNT(*) count FROM blog_tags')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `blog_tags` (`ID`, `name`, `display_name`) VALUES
(1, 'youtube', 'YouTube'),
(2, 'twitter', 'Twitter'),
(3, 'smartphones', 'Smartphones'),
(4, 'coding', 'Programmieren'),
(5, 'development', 'Entwicklung'),
(6, 'design', 'Design'),
(7, 'adobe', 'Adobe'),
(8, '3d', '3D'),
(9, 'ux', 'User Experience'),
(10, 'ui', 'User Interface'),
(11, 'design-thinking', 'Thinking on Design'),
(12, 'games', 'Spiele'),
(13, 'hardware', 'Hardware'),
(14, 'software', 'Software'),
(15, 'photography', 'Fotografie'),
(16, 'videos', 'Videos & Filmen'),
(17, 'learning', 'Lernen'),
(34, 'programmiersprachen', 'Programmiersprachen'),
(35, 'sprachen', 'Sprachen'),
(36, 'serie', 'Serie'),
(37, 'kanal', 'Kanal'),
(38, 'neu', 'Neu'),
(39, 'kingofdog', 'KingOfDog'),
(40, 'entwicklung', 'Entwicklung'),
(41, 'programmierung', 'Programmierung'),
(42, 'webseite', 'Webseite')");
        }
    }

    private function fillFeedbackTable() {
        if($this->db->query('SELECT COUNT(*) count FROM redirects')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `feedback_states` (`ID`, `name`, `displayname`) VALUES
(0, 'new', 'ungelesen'),
(1, 'read', 'gelesen'),
(2, 'question', 'Rückfrage'),
(5, 'fixing', 'in Bearbeitung'),
(7, 'paused', 'pausiert'),
(10, 'closed', 'geschlossen'),
(15, 'fixed', 'geschlossen & gelöst');");
        }
    }

    private function fillMainTable()
    {
        if ($this->db->query('SELECT COUNT(*) count FROM redirects')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `redirects` (`ID`, `date`, `redirect`, `url`, `temporary`, `expireDate`) VALUES
(1, '2016-10-15 18:09:51', 'yt', 'http://youtube.com/KingOfDog', 0, '0000-00-00 00:00:00'),
(2, '2016-10-15 18:10:13', 'youtube', 'http://youtube.com/KingOfDog', 0, '0000-00-00 00:00:00'),
(3, '2016-10-15 18:10:27', 'tw', 'http://twitter.com/KingOfDogTV', 0, '0000-00-00 00:00:00'),
(4, '2016-10-15 18:10:37', 'twitter', 'http://twitter.com/KingOfDogTV', 0, '0000-00-00 00:00:00')");
        }
    }

    private function fillProjectsTable()
    {
        if ($this->db->query('SELECT COUNT(*) count FROM projects_categories')->result_array()[0]['count'] == 0) {
            $this->db->query("INSERT INTO `projects_categories` (`ID`, `collection`, `displayname`, `displaynameEnglish`, `displaynameFrench`) VALUES
(1, 'banner', 'Banner', 'Banner', 'Bannière'),
(2, 'fotografie', 'Fotografie', 'Photography', 'Photographie'),
(3, 'minecraft', 'Minecraft', 'Minecraft', 'Minecraft'),
(4, 'websites', 'Webseiten', 'Websites', 'Sites'),
(5, 'logo', 'Logo', 'Logo', 'Logo'),
(6, 'development', 'Programmierung', 'Development', ''),
(7, 'games', 'Spiele', 'Games', ''),
(8, 'design', 'Design', 'Design', 'Design')");
        }
    }
}