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- <?php
- require_once 'dao.php';
-
- class PostHandler
- {
- private $valid_types = ["article", "category", "article_categories"];
- private $valid_actions = ["create", "update", "remove", "get"];
-
- private $action;
- private $type;
- private $postData;
- private $filesData;
- private $data;
- private $dao;
- private $uploadBaseDir = '../../uploaded_images/';
-
- private $responseArray = array(
- "status" => 0,
- "message" => "Success",
- "data" => "",
- );
-
- public function __construct($post, $files)
- {
- $this->filesData = $files;
- $this->action = $this->get_action($post);
- $this->type = $this->get_type($post);
- $this->data = $this->get_data($post);
- $this->postData = $post;
- $this->dao = new Dao();
- }
-
- public function do_action()
- {
- $result = -1;
- if (count($this->data) > 0) {
- if ($this->action == "create")
- $result = $this->create();
- else if ($this->action == "update")
- $result = $this->update();
- else if ($this->action == "remove")
- $result = $this->remove();
- else
- $this->setUnknownActionResponse();
- } else if ($this->action == "get")
- $result = $this->get();
- else
- $this->setUnknownDataResponse();
-
- if ($this->responseArray["status"] == 0 && $result < 0) {
- $this->setProcessingErrorResponse();
- $result = -1;
- }
- $this->responseArray["data"] = $result;
- return $this->responseArray;
- }
-
- function create()
- {
- $result = -1;
- if ($this->type == "article") {
- $result = $this->dao->create_article($this->data);
- } else if ($this->type == "category") {
- $result = $this->dao->create_category($this->data);
- } else if ($this->type == "article_categories") {
- $result = $this->dao->remove_article_categories_of_article($this->data['id']);
- if ($result)
- $result = $this->dao->save_article_categories($this->data['id'], $this->data['categories']);
- } else
- $this->setUnknownTypeResponse();
- return $result;
- }
-
- function update()
- {
- $result = -1;
- if ($this->type == "article") {
- $result = $this->dao->update_article($this->data);
- } else if ($this->type == "category") {
- $result = $this->dao->update_category($this->data);
- } else
- $this->setUnknownTypeResponse();
- return $result;
- }
-
- function remove()
- {
- $result = -1;
- if ($this->type == "article") {
- $result = $this->dao->remove_article($this->data);
- } else if ($this->type == "category") {
- $result = $this->dao->remove_category($this->data);
- } else
- $this->setUnknownTypeResponse();
- if ($result == 0)
- return -1;
- else
- return 1;
- }
-
- function get()
- {
- $result = -1;
- if ($this->type == "article") {
- $result = $this->dao->get_articles();
- } else if ($this->type == "category") {
- $result = $this->dao->get_categories();
- } else if ($this->type == "article_categories") {
- $result = $this->dao->get_article_categories();
- } else
- $this->setUnknownTypeResponse();
- return $result;
- }
-
- function setUnknownTypeResponse()
- {
- $this->responseArray["status"] = 1;
- $this->responseArray["message"] = "Error: Unknown type";
- }
-
- function setUnknownActionResponse()
- {
- $this->responseArray["status"] = 2;
- $this->responseArray["message"] = "Error: Unknown action";
- }
-
- function setUnknownDataResponse()
- {
- $this->responseArray["status"] = 3;
- $this->responseArray["message"] = "Error: Unknown data";
- }
-
- function setProcessingErrorResponse()
- {
- $this->responseArray["status"] = 4;
- $this->responseArray["message"] = "Error: Data processing error";
- }
-
- private function get_action($inputData)
- {
- if (!in_array($inputData["action"], $this->valid_actions))
- return "";
- else
- return $inputData["action"];
- }
-
- private function get_type($inputData)
- {
- if (!in_array($inputData["type"], $this->valid_types))
- return "";
- else
- return $inputData["type"];
- }
-
- private function get_data($inputData)
- {
- if ($inputData["data"] == null)
- return [];
- else
- return $inputData["data"];
- }
-
- }
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