7 files changed, 1379 insertions, 13 deletions

diff --git a/kem/vaje/2/dokument.log b/kem/vaje/2/dokument.log
index f5ecd5a..99163a7 100644
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diff --git a/nem/hausaufgabe/9/dokument.md b/nem/hausaufgabe/9/dokument.md
new file mode 100644
index 0000000..9b07fd6
--- /dev/null
+++ b/nem/hausaufgabe/9/dokument.md
@@ -0,0 +1,44 @@
+Wechselspiel
+===========
+
+# 10 Sätze / Dialoge
+
+* Weißt du, was Manfred seinen Eltern schenkt?
+* *Ich glaube, er schenkt ihnen ein Buch.*
+* Aha, ja, er schenkt es ihnen.
+
+* Weißt du, was Sabine ihrem Freund schenkt?
+* *Ich glaube, sie schenkt ihm Rasierwasser.*
+* Aha, ja, sie schenkt sie ihm.
+
+* Weißt du, was Rolf seine Freundin schenkt?
+* *Ich glaube, er schenkt ihr ein Kleid.*
+* Aha, ja, er schenkt es ihr.
+
+* Weißt du, was Heinz seine Schwester schenkt?
+* *Ich glaube, er schenkt ihr einen Briefpapier.*
+* Aha, ja, er schenkt er ihr.
+
+* Weißt du, was Michael seinem Bruder schenkt?
+* *Ich glaube, er schenkt ihm ein Hemd.*
+* Aha, ja, er schenkt es ihm.
+
+* Weißt du, was Antje seinen Nachbarn schenkt?
+* *Ich glaube, er schenkt ihnen nichts*
+* Aha, ja, er schenkt nichts ihnen.
+
+* Weißt du, was Reiner seinen Eltern schenkt?
+* *Ich glaube, er schenkt ihnen einen Teppich.*
+* Aha, ja, er schenkt er ihnen.
+
+* Weißt du, was Brigitte ihrem Freund schenkt?
+* *Ich glaube, sie schenkt ihm eine Uhr.*
+* Aha, ja, sie schenkt ihm sie.
+
+* Weißt du, was Ich schenke meiner Freundin?
+* *Ich glaube, du schenkst ihr Pralinen.*
+* Aha, ja, Ich schenke ihr sie.
+
+* Was schenken Sie Ihrer Schwester?
+* *Ich glaube, Ich schenke ihr einen Schal.*
+* Aha, ja, schenken Sie er.
diff --git a/ru/kolo/api.php b/ru/kolo/api.php
index c085435..64dd35c 100644
--- a/ru/kolo/api.php
+++ b/ru/kolo/api.php
@@ -4,46 +4,155 @@
 	$dbhost = "localhost";
 	$dbdb = "kolo";
 	$dbpw = "kolo";
+	$conn = new mysqli($dbhost, $dbuser, $dbpw, $dbdb);
 	header("Content-Type: application/json");
+	if ($conn->connect_error) {
+		http_response_code(500);
+		exit('{"napaka":true,"obvestilo":"Napaka strežnika pri povezavi v podatkovno zbirko."}');
+	}
+	$query = "CREATE TABLE IF NOT EXISTS kolesa (
+		omogoceno INT,
+		ime VARCHAR(420),
+		admin	VARCHAR(420)
+	);
+	CREATE TABLE IF NOT EXISTS ljudje (
+		ime VARCHAR(420) PRIMARY KEY,
+		izbranec VARCHAR(420),
+		kolo VARCHAR(420),
+		krneki VARCHAR(420)
+	)";
+	$result = $conn->query($query);
+	var_dump($result);
+	var_dump($conn->error);
 	if (empty($_REQUEST['k'])) {
 		http_response_code(400);
 		exit ('{"napaka":true,"obvestilo":"Ne vem, na katero kolo se sklicuješ, ker manjka parameter k."}');
 	}
 	switch ($_REQUEST['m']) {
 		case "r": /* registracija */
-			if (empty($_REQUEST['m'])) {
+			if (empty($_REQUEST['i'])) {
+				http_response_code(400);
+				exit ('{"napaka":true,"obvestilo":"Ne vem, kako ti je ime, ker manjka parameter i"}');
+			}
+			$stmt2 = $conn->prepare("SELECT omogoceno FROM `kolesa` WHERE `ime`=?");
+			$stmt2->bind_param("s", $_REQUEST["k"]);
+			$stmt2->execute();
+			$stmt2->bind_result($omogoceno);
+			$stmt2->fetch();
+			if ($omogoceno != 0) {
 				http_response_code(400);
-				exit ('{"napaka":true,"obvestilo":"Ne vem, kako ti je ime, ker manjka parameter m"}');
+				exit ('{"napaka":true,"obvestilo":"Ne morem registrirati novih ljudi, ker se je vrtenje koles že začelo.}');
 			}
-			/* sedaj naredimo SQL */
+			$stmt2->close();
+			$stmt = $conn->prepare("INSERT INTO ljudje (ime, kolo) VALUES (?, ?) ON DUPLICATE KEY UPDATE `krneki`='123'");
+			$stmt->bind_param("ss", $_REQUEST["i"], $_REQUEST["k"]);
+			$stmt->execute();
+			$stmt->close();
+			http_response_code(201);
+			exit ('{"napaka":false,"obvestilo":"Uporabnik registriran!"}');
 			break;
 		case "z": /* zakleni kolo, omogoči vrtenje, naključno razporedi osebe */
+			$stmt = $conn->prepare("SELECT admin FROM kolesa WHERE `ime`='?'");
+			$stmt->bind_param("s", $_REQUEST["k"]);
+			$stmt->execute();
+			$stmt->bind_result($admin_pass);
+			$stmt->fetch();
 			if ($_REQUEST['g'] !== $admin_pass) {
 				http_response_code(400);
 				exit ('{"napaka":true,"obvestilo":"Ne bom zaklenil tega kolesa, ker
 					niste administrator."}');
 			}
+			$stmt->close();
+			$stmt = $conn->prepare("UPDATE kolesa SET `omogoceno`=1 WHERE `ime` = '?'");
+			$stmt->bind_param("s", $_REQUEST["k"]);
+			$stmt->execute();
+			$stmt->close();
+			$stmt2 = $conn->prepare("SELECT ime FROM ljudje WHERE `kolo`=?");
+			$stmt2->bind_param("s", $_REQUEST["k"]);
+			$stmt2->execute();
+			$result = $stmt->get_result();
+			$ljudje = $result->fetch_all(MYSQLI_ASSOC);
+			$ljudje2 = $ljudje;
+			shuffle($ljudje);
+			for ($i = 0; $i < sizeof($ljudje);) {
+				if ($ljudje[$i] == $ljudje2[$i]) {
+					shuffle($ljudje);
+					$i = 0;
+					continue;
+				}
+				$i++;
+			}
+			$stmt3 = $conn->prepare("UPDATE ljudje SET `izbranec`=? WHERE `ime`=?");
+			for ($i = 0; $i < sizeof($ljudje); $i++) {
+				$stmt3->bind_param("ss", $ljudje[$i], $ljudje2[$i]);
+				$stmt3->execute();
+			}
+			$stmt3->close();
+			$stmt2->close();
+			http_response_code(200);
+			exit ('{"napaka":false,"obvestilo":"uspešno zaklenil kolo."}');
 			break;
 		case "u": /* srčni utrip */
 			$r = array();
-			$r["dovoli_vrtenje"] = false;
-			$r["si_administrator"] = false;
-			$r["moznosti_na_kolesu"] = false;
+			$stmt2 = $conn->prepare("SELECT ime FROM ljudje WHERE `kolo`=?");
+			$stmt2->bind_param("s", $_REQUEST["k"]);
+			$stmt2->execute();
+			$result = $stmt->get_result();
+			$ljudje = $result->fetch_all(MYSQLI_ASSOC);
+			$r["moznosti_na_kolesu"] = $ljudje;
+			$stmt = $conn->prepare("SELECT admin FROM kolesa WHERE `ime`=?");
+			$stmt->bind_param("s", $_REQUEST["k"]);
+			$stmt->execute();
+			$stmt->bind_result($admin_pass);
+			$stmt->fetch();
+			if ($admin_pass === $_REQUEST["g"]) {
+				$r["si_administrator"] = true;
+			} else {
+				$r["si_administrator"] = false;
+				$r["si_administrator"] = false;
+			}
+			$stmt3 = $conn->prepare("SELECT omogoceno FROM `kolesa` WHERE `ime` = ?");
+			$stmt3->bind_param("s", $_REQUEST["k"]);
+			$stmt3->execute();
+			$stmt3->bind_result($omogoceno);
+			$stmt3->fetch();
+			if ($omogoceno !== 1) {
+				$r["dovoli_vrtenje"] = false;
+			} else {
+				$r["dovoli_vrtenje"] = true;
+			}
+			$r["napaka"] = false;
+			$stmt2->close();
+			$stmt->close();
+			$stmt3->close();
 			http_response_code(200);
 			exit (json_encode($r));
 			break;
 		case "v": /* vrti */
-			if (true /* a je vrtenje nedovoljeno */) {
+			$stmt3 = $conn->prepare("SELECT omogoceno FROM `kolesa` WHERE `ime` = ?");
+			$stmt3->bind_param("s", $_REQUEST["k"]);
+			$stmt3->execute();
+			$stmt3->bind_result($omogoceno);
+			$stmt3->fetch();
+			if ($omogoceno !== 1 /* a je vrtenje nedovoljeno */) {
 				http_response_code(400);
 				exit ('{"napaka":true,"obvestilo":"Ne morem vrteti, ker vrtenja še ni odobril administrator"}');
 			}
-			if (true /* če je uporabnik že zavrtel kolo */) {
+			if (empty($_REQUEST["i"])) {
 				http_response_code(400);
-				exit ('{"napaka":true,"obvestilo":"Kolesa ne morem vrteti, ker ste ga enkrat že zavrteli."}');
+				exit ('{"napaka":true,"obvestilo":"Ne morem vrteti, ker nimam vašega imena."}');
 			}
-			/* pridobi obstoječo vrednost iz tabele in jo označi za taken */
+			$stmt2 = $conn->prepare("SELECT izbranec FROM `ljudje` WHERE `ime` = ?");
+			$stmt2->bind_param("s", $_REQUEST["i"]);
+			$stmt2->execute();
+			$stmt2->bind_result($izbranec);
+			$stmt2->fetch();
+			$r["izbranec"] = $izbranec;
+			$r["napaka"] = false;
+			$stmt3->close();
+			$stmt2->close();
 			http_response_code(200);
-			exit ();
+			exit(json_encode($r));
 			break;
 		default:
 			http_response_code(400);