CRUD Application implimented.

-SQL commands are updated in Database Design folder.(Alpha1)
zamans78 · Feb 2, 2021 · 283e8b9 · 283e8b9
1 parent 81a5f17
commit 283e8b9
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Showing 11 changed files with 679 additions and 134 deletions.
diff --git a/assets/Database_Design/SQL Commands/3.Alpha1.sql b/assets/Database_Design/SQL Commands/3.Alpha1.sql
@@ -1,4 +1,27 @@
+CREATE TABLE Admin (
+  Admin_ID INTEGER NOT NULL PRIMARY KEY,
+  Password VARCHAR(255)
+  )ENGINE = InnoDB;
 
+CREATE TABLE Contact_Us (
+  Name  VARCHAR(100),
+  Email VARCHAR(255),
+  Query TEXT,
+  Image VARCHAR(255),
+  Query_Datetime TIMESTAMP,
+  INDEX (Name),
+  INDEX (Email)
+  )ENGINE = InnoDB;
+
+CREATE TABLE Reset_Password (
+  ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  Email VARCHAR(255),
+  Code VARCHAR(255),
+  Requested_Datetime TIMESTAMP,
+
+  INDEX (Code),
+  INDEX (Email)
+  )ENGINE = InnoDB;
 
 CREATE TABLE Teacher (
   Teacher_ID INTEGER NOT NULL PRIMARY KEY,
@@ -37,9 +60,10 @@ CREATE TABLE Question(
 
 
 CREATE TABLE Posted_Question (
-  Question_Description_ID INTEGER NOT NULL PRIMARY KEY,
-  Question_ID INTEGER NOT NULL PRIMARY KEY,
+  Question_Description_ID INTEGER NOT NULL,
+  Question_ID INTEGER NOT NULL,
   Post_Datetime TIMESTAMP,
+  PRIMARY KEY (Question_Description_ID, Question_ID),
 
   CONSTRAINT FOREIGN KEY (Question_Description_ID)
   REFERENCES Question (Question_Description_ID)
@@ -94,4 +118,4 @@ CREATE TABLE Answer (
   CONSTRAINT FOREIGN KEY (Student_ID)
   REFERENCES Student_Answer (Student_ID)
   ON DELETE NO ACTION ON UPDATE NO ACTION
-  )ENGINE = InnoDB;
+  )ENGINE = InnoDB;
diff --git a/assets/Database_Design/SQL Commands/3.SQL Commands for (Alpha 1).jpg b/assets/Database_Design/SQL Commands/3.SQL Commands for (Alpha 1).jpg
diff --git a/assets/inc/validation_helper.php b/assets/inc/validation_helper.php
@@ -0,0 +1,25 @@
+<?php
+
+function validationHelper()
+{
+    if (strlen($_POST['Course_Code']) < 1 || strlen($_POST['Course_Name']) < 1 || strlen($_POST['Title']) < 1 ||
+        strlen($_POST['Batch']) < 1 || strlen($_POST['Section']) < 1) {
+        $_SESSION['status'] = "All fields are required";
+        return false;
+    }
+
+    for ($i = 1; $i <= 9; $i++) {
+
+        if (!isset($_POST['Question' . $i])) {
+            continue;
+        }
+
+        $Question = htmlentities($_POST['Question' . $i]);
+
+        if (strlen($Question) < 1) {
+            $_SESSION['status'] = "All fields are required";
+            return false;
+        }
+    }
+    return true;
+}
diff --git a/question_delete.php b/question_delete.php
@@ -0,0 +1,59 @@
+<?php
+
+session_start();
+require_once "assets/connect/pdo.php";
+
+if (isset($_POST['Delete']) && isset($_POST['Question_Description_ID'])) {
+    echo 23132;
+    $sql = "DELETE FROM question_description WHERE Question_Description_ID = :zip";
+    $stmt = $pdo->prepare($sql);
+    $stmt->execute(array(':zip' => $_POST['Question_Description_ID']));
+    $_SESSION['success'] = 'Record deleted';
+    header('Location: teacher_dashboard.php');
+    return;
+}
+
+// Guardian: Make sure that user_id is present
+if (!isset($_GET['Question_Description_ID'])) {
+    $_SESSION['error'] = "Missing user_id";
+    header('Location: teacher_dashboard.php');
+    return;
+}
+
+$stmt = $pdo->prepare("SELECT Course_Code, Course_Name FROM question_description where Question_Description_ID = :xyz");
+$stmt->execute(array(":xyz" => $_GET['Question_Description_ID']));
+$row = $stmt->fetch(PDO::FETCH_ASSOC);
+if ($row === false) {
+    $_SESSION['error'] = 'Bad value for Question Description ID';
+    header('Location: teacher_dashboard.php');
+    return;
+}
+?>
+
+<!DOCTYPE html>
+<html>
+<head>
+<?php
+require_once 'assets/connect/head.php';
+?>
+</head>
+<header>
+	<nav class="navbar navbar-expand-lg navbar-light sticky-top">
+			<a class="navbar-brand" href="#">LU EXAM HIVE</a>
+			<button type="button" class="btn btn-sm btn-dark rounded-0 ml-3">
+				<a href="teacher_dashboard.php" class="text-white text-decoration-none">Back</a>
+		</nav>
+
+	</header>
+<body>
+<div class="container">
+    <p>Course Code: <?php echo ($row['Course_Code']); ?></p>
+    <p>Course Name: <?php echo ($row['Course_Name']); ?></p>
+    <form method="post"><input type="hidden" name="Question_Description_ID" value="<?php echo $_GET['Question_Description_ID'] ?>">
+        <input type="submit" name="Delete" value="Delete">
+    </form>
+</div>
+<?php
+require_once 'assets/connect/footer.php';
+?>
+</body>