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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
2.8 KiB
PHP
132 lines
2.8 KiB
PHP
<?php
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/*
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* Cryto Learn is more free software. It is licensed under the WTFPL, which
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* allows you to do pretty much anything with it, without having to
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* ask permission. Commercial use is allowed, and no attribution is
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* required. We do politely request that you share your modifications
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* to benefit other developers, but you are under no enforced
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* obligation to do so :)
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*
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* Please read the accompanying LICENSE document for the full WTFPL
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* licensing text.
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*/
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if(!isset($_APP)) { die("Unauthorized."); }
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class Topic extends CPHPDatabaseRecordClass
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{
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public $table_name = "topics";
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public $fill_query = "SELECT * FROM topics WHERE `Id` = :Id";
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public $verify_query = "SELECT * FROM topics WHERE `Id` = :Id";
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public $prototype = array(
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'string' => array(
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'Title' => "Title",
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'ProviderId' => "ProviderId",
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'Description' => "Description"
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),
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'numeric' => array(
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'ParentId' => "ParentId",
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'Provider' => "Provider"
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),
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'boolean' => array(
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'NeedsEnrollment' => "NeedsEnrollment"
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),
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'timestamp' => array(
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'CreationDate' => "Created",
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'StartDate' => "StartDate",
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'EndDate' => "EndDate"
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),
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'topic' => array(
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'Parent' => "ParentId"
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)
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);
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public function __get($name)
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{
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switch($name)
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{
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case "sProviderName":
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return $this->GetProviderName();
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break;
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default:
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return parent::__get($name);
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break;
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}
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}
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public function GetProviderName()
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{
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switch($this->sProvider)
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{
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case 1:
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return "Khan University";
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case 2:
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return "Coursera";
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case 3:
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return "University of Reddit";
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default:
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return "Unknown";
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}
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}
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public function AsDataset($fetch_children = true, $fetch_items = true)
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{
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$child_data = array();
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if($fetch_children == true)
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{
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foreach($this->GetChildren() as $child)
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{
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$child_data[] = $child->AsDataset();
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}
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}
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$item_data = array();
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if($fetch_items == true)
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{
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foreach($this->GetItems() as $item)
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{
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$item_data[] = $item->AsDataset();
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}
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}
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return array(
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"title" => $this->uTitle,
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"description" => $this->uDescription,
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"created" => $this->sCreationDate,
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"start" => $this->sStartDate,
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"end" => $this->sEndDate,
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"provider" => $this->sProviderName,
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"needs_enrollment" => $this->sNeedsEnrollment,
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"children" => $child_data,
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"items" => $item_data
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);
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}
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public function GetItems()
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{
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try
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{
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return Item::CreateFromQuery("SELECT * FROM items WHERE `TopicId` = :TopicId", array(':TopicId' => $this->sId));
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}
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catch (NotFoundException $e)
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{
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return array();
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}
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}
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public function GetChildren()
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{
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try
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{
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return Topic::CreateFromQuery("SELECT * FROM topics WHERE `ParentId` = :ParentId", array(':ParentId' => $this->sId));
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}
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catch (NotFoundException $e)
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{
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return array();
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}
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}
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}
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