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project.php
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project.php
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<?php
/*$projectname=$_POST['projectname'];
$projecttype=$_POST['projecttype'];
$descriptionabouttheproject=$_POST['descriptionabouttheproject'];
$estimatedprojectcost=$_POST['estimatedprojectcost'];*/
abstract class State{
public function changestateoftheproject($project){}
}
class ProposedProject extends State{
public function __construct() {
echo "I am ProposedProject ";
}
public function changestateoftheproject($project){
$project->set_state(new ProjectInProgress());
}
}
class ProjectInProgress extends State{
public function __construct() {
echo "I am Project In Progress\r\n";
}
public function changestateoftheproject($project){
$project->set_state(new CompletedProject());
}
}
class CompletedProject extends State{
public function __construct() {
echo "I am CompletedProject ";
}
public function changestateoftheproject($project){
//project.set_state(new ProjectInProgress());
}
}
class Project{
static $projectid=0;
var $projectname,$projecttype,$descriptionabouttheproject,$state,$estimatedprojectcost,$totaldonationsgatheredsofar,$date_of_proposal;
var $user_of_the_proposal,$date_of_approval,$date_of_completion,$this_project_id;
//$adminlist=array();
//$donarlist=array();
/*public function __construct($user_of_the_proposal,$descriptionabouttheproject) { //propose a project by user
$this->state=new ProposedProject();
self::$projectid++;
$this->user_of_the_proposal=$user_of_the_proposal;
$this->descriptionabouttheproject=$descriptionabouttheproject;
}*/
public function __construct($projectname,$projecttype,$descriptionabouttheproject,$estimatedprojectcost) { //create a new project by admin
$this->state=new ProjectInProgress();
self::$projectid++;
$this->this_project_id=self::$projectid;
$this->projectname=$projectname;
$this->projecttype=$projecttype;
$this->descriptionabouttheproject=$descriptionabouttheproject;
$this->estimatedprojectcost=$estimatedprojectcost;
}
public function approve_a_project($projectname,$projecttype,$estimatedprojectcost){ //approve a proposed project by admin
$this->changestate();
$this->projectname=$projectname;
$this->projecttype=$projecttype;
$this->estimatedprojectcost=$estimatedprojectcost;
}
public function donatetothisproject($amount){
//echo $this->$projectid;
//echo $amount;
//echo $this->projectname;
if ((($this->totaldonationsgatheredsofar)+($amount))<=$this->estimatedprojectcost){
$this->totaldonationsgatheredsofar=($this->totaldonationsgatheredsofar)+$amount;
if($this->totaldonationsgatheredsofar>=$this->estimatedprojectcost){
$this->changestate();
}
}else{
echo "Unable to donate this project";
}
}
public function changestate(){
//echo "my current state is ".$this->state;
$this->state->changestateoftheproject($this);
}
public function set_state($s){
$this->state=$s;
}
}
//$project=new Project($projectname,$projecttype,$descriptionabouttheproject,$estimatedprojectcost);
$project=new Project("aaa","dsfsfd","werewr",1000);
$serialized_project=serialize($project);
$unserialized_obj=unserialize($serialized_project);
echo $unserialized_obj->projecttype;
//echo $serialized_project;
//echo "<br>";
//echo "\n".$project->this_project_id;
//$a->donatetothisproject(100);
//$a->donatetothisproject(900);
//$a->changestate();
$servername = "localhost"; // host which has established our computer.If the database is on a sever, then this should change accordinly
$username = "root"; // username and the password of the mysql sever
$password = "";
$dbname = "SamajaSathkara";
$conn = new mysqli($servername,$username,$password,$dbname); // making the connection with mysql
if ($conn->connect_error){ // check whether the connection is correctly established or not
die("Connection failed: " . $conn->connect_error);
}
$c="'";
$date=strval(date("Y-m-d"));
$time= strval(date("H:i:s"));
$sql = "INSERT INTO Projects (submitdate,submittime,serializedproject ) VALUES ('$date','$time','$serialized_project')"; // insert data to the created table
if ($conn->query($sql)===TRUE){
echo "<h3>Your object has been successfully saved.</h3>";
}else{
echo "Error: ". $sql ."<br>" . $conn->error;
}
?>