my-portfolio/src/api/projectData.php

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<?php
namespace api;
use PDO;
use Psr\Http\Message\UploadedFileInterface;
require_once "./config.php";
/**
* Project Data Class
* Define all functions which either get, update, create or delete timeline data
*/
class projectData
{
/**
* Get all project data
* @return array - Array of all project data or error message
*/
function getProjectData(): array
{
$conn = dbConn();
$stmt = $conn->prepare("SELECT ID, title, isMainProject, information, imgLocation, projectLink, gitLink FROM projects ORDER BY isMainProject DESC;");
$stmt->execute();
// set the resulting array to associative
$result = $stmt->fetchAll(PDO::FETCH_ASSOC);
if ($result)
{
return $result;
}
return array("errorMessage" => "Error, project data not found");
}
/**
* Update project data in the database with the given ID
* @param string $ID - ID of the project in the database to update
* @param string $title - Title of the project
* @param string $isMainProject - Is the project a main project or not
* @param string $information - Information about the project
* @param string $projectLink - Link to the project
* @param string $gitLink - Link to the git repository
* @return bool|string - True if project was updated, false if not and there was an error, or an error string
*/
function updateProjectData(string $ID, string $title, string $isMainProject, string $information, string $projectLink, string $gitLink): bool | string
{
$conn = dbConn();
if ($isMainProject === "false")
{
$stmtMainProject = $conn->prepare("SELECT isMainProject FROM projects WHERE ID = :ID");
$stmtMainProject->bindParam(":ID", $ID);
$stmtMainProject->execute();
$result = $stmtMainProject->fetch(PDO::FETCH_ASSOC);
if ($result["isMainProject"] === "1")
{
return "unset main project";
}
}
if ($isMainProject === "true")
{
$stmtMainProject = $conn->prepare("UPDATE projects SET isMainProject = 0;");
$stmtMainProject->execute();
}
$stmt = $conn->prepare("UPDATE projects SET title = :title, isMainProject = :isMainProject, information = :information, projectLink = :projectLink, gitLink = :gitLink WHERE ID = :ID");
$stmt->bindParam(":title", $title);
$isMainProj = ($isMainProject === "true") ? 1 : 0;
$stmt->bindParam(":isMainProject", $isMainProj);
$stmt->bindParam(":information", $information);
$stmt->bindParam(":projectLink", $projectLink);
$stmt->bindParam(":gitLink", $gitLink);
$stmt->bindParam(":ID", $ID);
return $stmt->execute();
}
/**
* Delete project data from the database
* @param int $ID - ID of the project in the database to delete
* @return string - True if project was deleted, false if not and there was an error
*/
function deleteProjectData(int $ID): string
{
$conn = dbConn();
// check if the project is a main project if it is return false
$stmtMainProject = $conn->prepare("SELECT isMainProject FROM projects WHERE ID = :ID");
$stmtMainProject->bindParam(":ID", $ID);
$stmtMainProject->execute();
$result = $stmtMainProject->fetch(PDO::FETCH_ASSOC);
if ($result["isMainProject"] === "1")
{
return "cannot delete";
}
$this->deleteImage($ID);
$stmt = $conn->prepare("DELETE FROM projects WHERE ID = :ID");
$stmt->bindParam(":ID", $ID);
$stmt->execute();
if ($stmt->rowCount() > 0)
{
return "ok";
}
return "error";
}
/**
* Add project data to the database
* @param string $title - Title of the project
* @param string $isMainProject - Is the project a main project or not
* @param string $information - Information about the project
* @param string $projectLink - Link to the project
* @param string $gitLink - Link to the github repository
* @return int|bool - ID of the project if it was added, false if not and there was an error
*/
function addProjectData(string $title, string $isMainProject, string $information, string $projectLink, string $gitLink): int|bool
{
$conn = dbConn();
if ($isMainProject === "true")
{
$stmtMainProject = $conn->prepare("UPDATE projects SET isMainProject = 0;");
$stmtMainProject->execute();
}
$stmt = $conn->prepare("INSERT INTO projects (title, isMainProject, information, projectLink, gitLink) VALUES (:title, :isMainProject, :information, :projectLink, :gitLink)");
$stmt->bindParam(":title", $title);
$isMainProj = ($isMainProject === "true") ? 1 : 0;
$stmt->bindParam(":isMainProject", $isMainProj);
$stmt->bindParam(":information", $information);
$stmt->bindParam(":projectLink", $projectLink);
$stmt->bindParam(":gitLink", $gitLink);
$stmt->execute();
if ($stmt->rowCount() > 0)
{
return $conn->lastInsertId();
}
return false;
}
/**
* Upload the image to the server and update the database with the new image location
* @param int $ID - ID of the project in the database to update
* @param UploadedFileInterface $img - Image preview of the project
* @return string|array - String with error message or array with the new image location
*/
public function uploadImage(int $ID, UploadedFileInterface $img): string | array
{
$targetDir = "../imgs/projects/";
$targetFile = $targetDir . basename($img->getClientFilename());
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($targetFile, PATHINFO_EXTENSION));
// Check if file already exists
if (file_exists($targetFile))
{
return "The file already exists";
}
// Check file size
if ($img->getSize() > 2000000)
{
return "The file is too large, max 2MB";
}
// Allow certain file formats
if ($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg" && $imageFileType != "gif")
{
return "Only JPG, JPEG, PNG & GIF files are allowed";
}
$img->moveTo($targetFile);
if (file_exists($targetFile))
{
$this->deleteImage($ID);
// update the database with the new image location
$conn = dbConn();
$stmt = $conn->prepare("UPDATE projects SET imgLocation = :imgLocation WHERE ID = :ID");
$stmt->bindParam(":imgLocation", $targetFile);
$stmt->bindParam(":ID", $ID);
$stmt->execute();
if ($stmt->rowCount() > 0)
{
return array("imgLocation" => $targetFile);
}
return "Couldn't update the database";
}
return "Couldn't upload the image";
}
/**
* Delete the image from the server
* @param int $ID - ID of the project in the database
*/
private function deleteImage(int $ID): void
{
$conn = dbConn();
$imgStmt = $conn->prepare("SELECT imgLocation FROM projects WHERE ID = :ID");
$imgStmt->bindParam(":ID", $ID);
$imgStmt->execute();
$imgLocation = $imgStmt->fetch(PDO::FETCH_ASSOC)["imgLocation"];
if ($imgLocation != null)
{
unlink($imgLocation);
}
}
}