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Updated backend for multi user effect
Also created api for routing data to server
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,91 @@ | ||
| <?php | ||
| include 'settings.php'; | ||
|
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| // Create connection | ||
| $sql = new mysqli($servername, $username, $password, $db); | ||
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| //simple script to store and retrieve multiple student answers... | ||
| session_start(); | ||
| $r='{"errMsg":"No Action Provided"}'; | ||
| if(!isset($_SESSION['saa'])) $_SESSION['saa']= array(); | ||
| $saa=$_SESSION['saa']; | ||
| $postdata = file_get_contents("php://input"); | ||
| $request = json_decode($postdata); | ||
| if(!isset($request->action)) { | ||
| echo $r. var_dump($request); | ||
| if(!isset($_REQUEST['action'])) { | ||
| echo $r. var_dump($_REQUEST); | ||
| exit(); | ||
| } | ||
| switch($request->action){ | ||
| switch($_REQUEST['action']){ | ||
| case 'save': | ||
| if(!isset($request->name)) $r='{"errMsg":"No name"}'. var_dump($request); | ||
| if(!isset($request->name)) $r='{"errMsg":"No name"}'; | ||
| else { | ||
| $_SESSION['saa'][$request->name]=json_encode($request->value); | ||
| $r='{"data":'.$_SESSION['saa'][$request->name].'}'; | ||
| if(isset($request->id)){ | ||
| /* prepared statements didnt work on production server?? | ||
| $q="update bp_answers set name=?, value=? where id=?"; | ||
| $stmt=$sql->prepare($q); | ||
| $stmt->bind_param("ssi", $request->name, json_encode($request->value), $request->id); | ||
| $stmt->execute(); | ||
| */ | ||
| $sql->query("update bp_answers set name='".$sql->real_escape_string($request->name)."', value='".$sql->real_escape_string(json_encode($request->value))."' where id=".$sql->real_escape_string($request->id).""); | ||
| } | ||
| else{ | ||
| /* prepared statements didnt work on production server?? | ||
| $q="insert into bp_answers (name,value) values (?,?)"; | ||
| $stmt=$sql->prepare($q); | ||
| $stmt->bind_param("ss", $request->name, json_encode($request->value)); | ||
| $stmt->execute(); | ||
| */ | ||
| $sql->query("insert into bp_answers (name, value) values ('".$sql->real_escape_string($request->name)."', '".$sql->real_escape_string(json_encode($request->value))."')"); | ||
| $request->id=$sql->insert_id; | ||
| } | ||
| $r= json_encode($request); | ||
| } | ||
| break; | ||
| case 'fetch': | ||
| if(isset($request->name)&&isset($saa[$request->name])) $r='{"data":'.$saa[$request->name].'}'; | ||
| if(isset($request->name)){ | ||
| /* prepared statements didnt work on production server?? | ||
| $stmt=$sql->prepare("select * from bp_answers where name=?"); | ||
| $stmt->bind_param("s",$request->name); | ||
| $stmt->execute(); | ||
| $stmt->bind_result($request->id, $request->name, $request->value); | ||
| if($stmt->fetch()){ | ||
| $request->value= json_decode($request->value); | ||
| $r= json_encode($request); | ||
| } | ||
| * | ||
| */ | ||
| $res=$sql->query("select * from bp_answers where name ='".$sql->real_escape_string($request->name)."'"); | ||
| if($row=$res->fetch_assoc()){ | ||
| $row['value']= json_decode($row['value']); | ||
| $r= json_encode ($row); | ||
| } | ||
| else $r='{"errMsg":"No data for that name"}'; | ||
| } | ||
| else $r='{"errMsg":"No data for that name"}'; | ||
| break; | ||
| case 'fetchAll': | ||
| $sep="";$r=""; | ||
| foreach ($saa as $nm=>$data){ | ||
| $r.=$sep.$data; | ||
| $sep=", "; | ||
| $r=""; | ||
| /* prepared statements didnt work on production server?? | ||
| $stmt=$sql->prepare("select value from bp_answers"); | ||
| $stmt->execute(); | ||
| $stmt->bind_result($value); | ||
| $sep=""; | ||
| while($stmt->fetch()){ | ||
| $r.=$sep.$value; | ||
| $sep=","; | ||
| } | ||
| $r="[".$r."]"; | ||
| * | ||
| */ | ||
| $sep=""; | ||
| $res=$sql->query("select value from bp_answers where value is not null and value !='' "); | ||
| while($row=$res->fetch_assoc()){ | ||
| $r.=$sep.$row['value']; | ||
| $sep=","; | ||
| } | ||
| $r= "[".$r."]"; | ||
| break; | ||
| case 'clearAll': | ||
| unset($_SESSION['saa']); | ||
| $stmt=$sql->query("delete from bp_answers"); | ||
| $r='{"msg":"OK"}'; | ||
| } | ||
| echo $r; | ||
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| $sql->close(); | ||
| ?> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| <?php | ||
| $servername = "dotals.net"; | ||
| $username = "dotalsne_balance"; | ||
| $password = "!qoHK[5[9fS3"; | ||
| $db='dotalsne_balancepoint'; | ||
| ?> |
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