Added queries related to users.

website/queries/user.php

@@ -0,0 +1,72 @@
+<?php
+require("connect.php");
+
+function selectUser($db, $userID) {
+    $stmt = $db->prepare("
+        SELECT
+            `username`,
+            IFNULL(
+                `profilepicture`,
+                'img/notbad.png'
+            ) AS profilepicture,
+            `bio`,
+            `role`,
+            `onlinestatus`,
+            `loggedin`,
+            `fname`,
+            `lname`
+        FROM
+            `user`
+        WHERE
+            `userID` = :userID
+    ");
+
+    $stmt->bindParam(':userID', $userID, PDO::PARAM_INT);
+    $stmt->execute();
+    return $stmt->fetch();
+}
+
+function selectAllUserGroups($db, $userID) {
+    $stmt = $db->prepare("
+        SELECT
+            `group_page`.`groupID`,
+            `name`,
+            `picture`,
+            `userID`
+        FROM
+            `group_page`
+        INNER JOIN
+            `group_member`
+        ON
+            `group_page`.`groupID` = `group_member`.`groupID`
+        WHERE
+            `userID` = :userID AND
+            `status` = 1
+    ");
+
+    $stmt->bindParam(':userID', $userID, PDO::PARAM_INT);
+    $stmt->execute();
+    return $stmt;
+}
+
+function selectAllUserPosts($db, $userID) {
+    $stmt = $db->prepare("
+        SELECT
+            `postID`,
+            `author`,
+            `title`,
+            `content`,
+            `creationdate`
+        FROM
+             `post`
+        WHERE
+            `author` = :userID AND
+            `groupID` IS NULL
+        ORDER BY
+            `creationdate` DESC
+    ");
+
+    $stmt->bindParam(':userID', $userID, PDO::PARAM_INT);
+    $stmt->execute();
+    return $stmt;
+}