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php-guestbook
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Get Messages

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Dusk 2021-12-10 23:53:41 +01:00
parent 6538ccd525
commit 6c0a6bc500
1 changed files with 35 additions and 24 deletions
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59
persistence.php
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@ -1,48 +1,59 @@
<?php
createDB();
$db = createDB();
$test = getMessages($db, ['id_user' => 1]);
var_dump($test);
function createDB($db_name = 'guestbook.db'): SQLite3 {
// Can't create table if it already exists
$exists = file_exists($db_name);
$db = new SQLite3($db_name);
if(!$exists) {
$db->exec('CREATE TABLE user
(id_user INTEGER PRIMARY KEY,
username TEXT NOT NULL UNIQUE,
password TEXT)'
);
$db->exec('CREATE TABLE message
(id_msg INTEGER PRIMARY KEY,
id_user INT,
content TEXT NOT NULL,
date INT,
FOREIGN KEY (id_user) REFERENCES user (id_user))'
);
}
function createDB(): SQLite3 {
$db = new SQLite3('guestbook.db');
$db->exec('CREATE TABLE user
(id_user INTEGER PRIMARY KEY,
username TEXT NOT NULL UNIQUE,
password TEXT)'
);
$db->exec('CREATE TABLE message
(id_msg INTEGER PRIMARY KEY,
id_user INT,
content TEXT NOT NULL,
date INT,
FOREIGN KEY (id_user) REFERENCES user (id_user))'
);
return $db;
}
// getMessages(['id' => 34, 'since' => 383489289424])
function getMessages(SQLite3 $db, int $limit = 25, array $filter = []) {
function getMessages(SQLite3 $db, array $filter = [], int $limit = 25) {
// Apply filters
$append_string = '';
$verb = 'WHERE';
foreach ($filter as $key => $value) {
foreach($filter as $key => $value) {
$to_append = match($key) {
'id_msg' => "$verb $key IN (:$key)",
'id_user' => "$verb $key = :$key",
// TODO
};
if ($to_append) {
if($to_append) {
$append_string .= " $to_append";
$verb = 'AND';
}
}
// Prepare statement
$query = 'SELECT * FROM message' . $append_string;
var_dump($query);
$statement = $db->prepare($query);
foreach ($filter as $key => $value) {
$statement->bindValue($key, $value);
foreach($filter as $key => $value) {
$statement->bindParam($key, $value);
}
return $statement->execute();
var_dump($statement);
return $statement->execute()->fetchArray(SQLITE3_ASSOC);
}