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src/main/java/service/ClassConnector.java

@@ -0,0 +1,74 @@
+package hello;
+import java.util.ArrayList;
+
+public class ClassConnector{
+    private int ClassID;
+    private String ClassName;
+    private String SubjectName;
+    private int SubjectID;
+    private String linkName;
+    private int linkID;
+
+    public ClassConnector(String cn, int cID, String sn, int sID, String ln, int lID){
+        ClassID = cID;
+        ClassName = cn;
+        SubjectName = sn;
+        SubjectID = sID;
+        linkName = ln;
+        linkID = lID;
+    }
+
+    public ClassConnector(String cn, int cID, int sID){
+        ClassID = cID;
+        ClassName = cn;
+        SubjectID = sID;
+    }
+
+    public ClassConnector(int cID, String ln, int lID){
+        ClassID = cID;
+        linkName = ln;
+        linkID = lID;
+    }
+
+    public int getClassID(){
+        return ClassID;
+    }
+
+    public String getClassName(){
+        return ClassName;
+    }
+
+    public int getSubjectID(){
+        return SubjectID;
+    }
+
+    public String getSubjectName() {
+        return SubjectName;
+    }
+
+    public String getLinkName() {return linkName;}
+
+    public int getLinkID() {return linkID;}
+
+    public void setClassID(int cID){
+        ClassID = cID;
+    }
+
+    public void setClassName(String cn){
+        ClassName = cn;
+    }
+
+    public void setSubjectID(int sID){
+        SubjectID = sID;
+    }
+
+    public void setSubjectName(String sn){
+        SubjectName = sn;
+    }
+
+    public void setLinkName(String ln) { linkName = ln;}
+
+    public void setLinkID(int lID) {linkID = lID;}
+
+
+}

src/main/java/service/DataBase.java

@@ -0,0 +1,212 @@
+
+
+package hello;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+
+import java.sql.Connection;
+import java.sql.Statement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.DriverManager;
+import java.util.ArrayList;
+import java.util.Map;
+import java.net.URL;
+import java.lang.Integer;
+
+//@Controller
+public class DataBase {
+
+   /* @GetMapping("/greeting")
+    public String greeting(@RequestParam(name = "name", required = false, defaultValue = "World") String name, Model model) {
+        model.addAttribute("name", name);
+        return "greeting";
+    }
+
+    */
+
+    public void CallDatabase() {
+
+        // Connect to DataBase.java
+        String hostName = "holynamesacademy.DataBase.java.windows.net";
+        String dbName = "HNAResources";
+        String user = "hna-admin";
+        String password = "HolyNames123";
+        String url = String.format("jdbc:sqlserver://%s:1433;DataBase.java=%s;user=%s;password=%s;encrypt=true;"
+                + "hostNameInCertificate=*.DataBase.java.windows.net;loginTimeout=30;",hostName, dbName, user, password)
+        ;
+        Connection connection = null;
+
+        try {
+            connection = DriverManager.getConnection(url);
+            String schema = connection.getSchema();
+            System.out.println("Successful connection - Schema: " + schema);
+
+            System.out.println("Query data example:");
+            System.out.println("=========================================");
+
+            // Create and execute a SELECT SQL statement.
+            String selectSql = "SELECT TOP 20 pc.Name as CategoryName, p.name as ProductName "
+                    + "FROM [SalesLT].[ProductCategory] pc "
+                    + "JOIN [SalesLT].[Product] p ON pc.productcategoryid = p.productcategoryid";
+
+            String selectSql2 = " SELECT * from Players; ";
+
+            try (Statement statement = connection.createStatement();
+                 ResultSet resultSet2 = statement.executeQuery(selectSql2)) {
+
+                // Print results from select statement
+                System.out.println("Top 20 categories:");
+                while (resultSet2.next()) {
+                    System.out.println(resultSet2.getInt(1) + " "
+                            + resultSet2.getString(2));
+                }
+                connection.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static ArrayList<ClassConnector> ClassInfo(int subjectId) {
+        ArrayList<ClassConnector> classes = new ArrayList<ClassConnector>();
+        ClassConnector newClassConnector = new ClassConnector("noName", 0, subjectId);
+
+        try {
+            // create our mysql DataBase.java connection
+            //String myDriver = "org.gjt.mm.mysql.Driver";
+            //  String myUrl = "jdbc:mysql://localhost/test";
+            // Class.forName(myDriver);
+            //  Connection conn = DriverManager.getConnection(myUrl, "root", "");
+
+            String hostName = "holynamesacademy.database.windows.net";
+            String dbName = "HNAResources";
+            String user = "hna-admin";
+            Map<String, String> env = System.getenv();
+            String password = env.get("password");
+            //password here
+
+            String url = String.format("jdbc:sqlserver://%s:1433;database=%s;user=%s;password=%s;encrypt=true;trustServerCertificate=true;"
+                    + "hostNameInCertificate=*.DataBase.java.windows.net;loginTimeout=30;", hostName, dbName, user, password);
+            Connection connection = null;
+
+
+            connection = DriverManager.getConnection(url);
+
+            // our SQL SELECT query.
+            // if you only need a few columns, specify them by name instead of using "*"
+            //get subjectId from maincontroller, pluge it into SubjectId + change to int
+
+            String query = "select * from [HNAResources].[dbo].[Classes] where SubjectId = " + subjectId; //where SubjectId = ???"
+
+            // create the java statement
+            Statement st = connection.createStatement();
+
+            // execute the query, and get a java resultset
+            ResultSet rs = st.executeQuery(query);
+
+            // iterate through the java resultset
+            while (rs.next()) {
+                int id = rs.getInt("ClassId");
+                newClassConnector.setClassID(id);
+                String name = rs.getString("ClassName");
+                newClassConnector.setClassName(name);
+
+
+                classes.add(newClassConnector);
+
+                // print the results
+                System.out.format("%d, %s\n", newClassConnector.getClassID(), newClassConnector.getClassName());
+
+                System.out.print(newClassConnector.getClassName());
+
+                newClassConnector = new ClassConnector("noName", 0, 0);
+
+            }
+            st.close();
+
+
+        } catch (Exception e) {
+            System.err.println("Got an exception! ");
+            System.err.println(e.getMessage());
+        }
+
+        return classes;
+    }
+
+    public static ArrayList<ClassConnector> LinkInfo(int classId) {
+        ArrayList<ClassConnector> classes = new ArrayList<ClassConnector>();
+        ClassConnector newClassConnector = new ClassConnector(classId,"noName", 0);
+
+        try {
+            // create our mysql DataBase.java connection
+            //String myDriver = "org.gjt.mm.mysql.Driver";
+            //  String myUrl = "jdbc:mysql://localhost/test";
+            // Class.forName(myDriver);
+            //  Connection conn = DriverManager.getConnection(myUrl, "root", "");
+
+            String hostName = "holynamesacademy.database.windows.net";
+            String dbName = "HNAResources";
+            String user = "hna-admin";
+            Map<String, String> env = System.getenv();
+            String password = env.get("password");
+            //password here
+
+            String url = String.format("jdbc:sqlserver://%s:1433;database=%s;user=%s;password=%s;encrypt=true;trustServerCertificate=true;"
+                    + "hostNameInCertificate=*.DataBase.java.windows.net;loginTimeout=30;", hostName, dbName, user, password);
+            Connection connection = null;
+
+
+            connection = DriverManager.getConnection(url);
+
+            // our SQL SELECT query.
+            // if you only need a few columns, specify them by name instead of using "*"
+            //get subjectId from maincontroller, pluge it into SubjectId + change to int
+
+            String query = "SELECT LinkId, Link FROM ClassLinks WHERE ClassId = " + classId; //where SubjectId = ???"
+
+            // create the java statement
+            Statement st = connection.createStatement();
+
+            // execute the query, and get a java resultset
+            ResultSet rs = st.executeQuery(query);
+
+            // iterate through the java resultset
+            while (rs.next()) {
+                int id = rs.getInt("LinkId");
+                newClassConnector.setLinkID(id);
+                String name = rs.getString("Link");
+                newClassConnector.setLinkName(name);
+
+
+                classes.add(newClassConnector);
+
+                // print the results
+                System.out.format("%d, %s\n", newClassConnector.getLinkID(), newClassConnector.getLinkName());
+
+                System.out.print(newClassConnector.getLinkName());
+
+                newClassConnector = new ClassConnector(0, "noName", 0);
+
+            }
+            st.close();
+
+
+        } catch (Exception e) {
+            System.err.println("Got an exception! ");
+            System.err.println(e.getMessage());
+        }
+
+        return classes;
+    }
+
+}
+

src/main/java/service/MainController.java

@@ -4,14 +4,40 @@
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.PathVariable;
+import java.util.ArrayList;
+import hello.DataBase;
+import hello.ClassConnector;
 
 @Controller
 public class MainController {
 
-	@GetMapping("/hello")
-	public String hello(@RequestParam(name="name", required=false, defaultValue="World") String name, Model model) {
-		model.addAttribute("name", name);
-		return "hello";
+	//public ArrayList<ClassConnector> databaseClasses = new ArrayList<ClassConnector>();
+
+	DataBase databaseClasses = new DataBase();
+
+	@GetMapping("/subject")
+	public String subject(@RequestParam(name="subject", required=true) String name, Model model,
+	@RequestParam(name="subjectId", required=true) int subjectId) {
+			ArrayList<ClassConnector> classList = databaseClasses.ClassInfo(subjectId);
+			model.addAttribute("subject", name);
+			model.addAttribute("subjectId", subjectId);
+			model.addAttribute("classList", classList);
+		return "subject";
+	}
+
+
+
+
+@GetMapping("/class/{classId}")
+	public String classPage(@PathVariable("classId") int classId, Model model) {
+		ArrayList<ClassConnector> linkList = databaseClasses.LinkInfo(classId);
+		model.addAttribute("classId", classId);
+		model.addAttribute("linkList", linkList);
+		return "classPage";
 	}
 
+
+
+
 }