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authorJannis (jix) Harder <jix@method-missing.org>2009-08-21 15:41:19 +0200
committerJannis (jix) Harder <jix@method-missing.org>2009-08-21 15:41:19 +0200
commitce547052ee1949bd31af8b940348e91861d7184e (patch)
tree293a577abcefc7b2def81d7e56e757bbcdc1cc11 /src
parent1c5cbb8b51492c4d9e5528526f8a5664599a1a12 (diff)
downloadjeopardy-ce547052ee1949bd31af8b940348e91861d7184e.tar
jeopardy-ce547052ee1949bd31af8b940348e91861d7184e.zip
model angefangen
- user testen/erzeugen - abfrage von kategorien
Diffstat (limited to 'src')
-rw-r--r--src/jeopardy/DBModel.java78
-rw-r--r--src/jeopardy/Jeopardy.java11
-rw-r--r--src/jeopardy/Model.java6
3 files changed, 92 insertions, 3 deletions
diff --git a/src/jeopardy/DBModel.java b/src/jeopardy/DBModel.java
new file mode 100644
index 0000000..07abecc
--- /dev/null
+++ b/src/jeopardy/DBModel.java
@@ -0,0 +1,78 @@
+package jeopardy;
+import java.sql.*;
+import java.util.ArrayList;
+
+
+
+public class DBModel implements Model {
+ private Connection con;
+ private PreparedStatement createUserStmnt;
+ private PreparedStatement checkUserStmnt;
+ private PreparedStatement getValidCategoriesStmnt;
+
+ public DBModel(String url) {
+ try {
+ con = DriverManager.getConnection(url);
+ createUserStmnt = con.prepareStatement("INSERT INTO `users` (`name`) VALUES (?)");
+ checkUserStmnt = con.prepareStatement("SELECT COUNT(*) FROM `users` WHERE `name` = ?");
+ getValidCategoriesStmnt = con.prepareStatement( // TODO: this has to support more than 6 players
+ "SELECT categories.name FROM aqpairs, categories WHERE aqpairs.used = 0 AND aqpairs.category = categories.id AND aqpairs.id NOT IN "
+ + "(SELECT DISTINCT aqpairs.id FROM aqpairs, authors, users WHERE aqpairs.used = 0 AND users.name IN (?, ?, ?, ?, ?, ?) AND users.id = authors.author AND authors.aqpair = aqpairs.id )"
+ + " GROUP BY category HAVING COUNT(aqpairs.id) >= 2");
+ }
+ catch (SQLException e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+
+
+ public void createUser(String name) {
+ try {
+ createUserStmnt.setString(1, name);
+ createUserStmnt.execute();
+ }
+ catch (SQLException e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+ public boolean userExists(String name) {
+ try {
+ checkUserStmnt.setString(1, name);
+ ResultSet r = checkUserStmnt.executeQuery();
+ r.next();
+ return (r.getInt(1) == 1);
+ }
+ catch (SQLException e) {
+ e.printStackTrace();
+ System.exit(1);
+ return false;
+ }
+ }
+
+ public ArrayList<String> validCategoriesForUsers(ArrayList<String> users)
+ {
+ try {
+ for(int i = 0; i < 6; i++) {
+ getValidCategoriesStmnt.setString(i + 1, users.size() <= i ? "" : users.get(i));
+ }
+ ResultSet r = getValidCategoriesStmnt.executeQuery();
+ ArrayList<String> result = new ArrayList<String>();
+ while(r.next()) {
+ result.add(r.getString(1));
+ }
+ return result;
+ }
+ catch (SQLException e) {
+ e.printStackTrace();
+ System.exit(1);
+ return null;
+ }
+ }
+
+
+
+}
diff --git a/src/jeopardy/Jeopardy.java b/src/jeopardy/Jeopardy.java
index 7b5f3db..341a5c5 100644
--- a/src/jeopardy/Jeopardy.java
+++ b/src/jeopardy/Jeopardy.java
@@ -1,13 +1,20 @@
package jeopardy;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import jeopardy.Controller;
+import jeopardy.DBModel;
+import jeopardy.Model;
+
public class Jeopardy {
/**
* @param args
*/
public static void main(String[] args) {
- // TODO Auto-generated method stub
-
+ Model mod = new DBModel("jdbc:mysql://localhost:3306/jeopardy?user=jeopardy&password=j3opardy");
+ System.out.println(mod.validCategoriesForUsers(new ArrayList<String>(Arrays.asList("Jannis","du!"))));
}
}
diff --git a/src/jeopardy/Model.java b/src/jeopardy/Model.java
index 8c6fcbc..f290abf 100644
--- a/src/jeopardy/Model.java
+++ b/src/jeopardy/Model.java
@@ -1,5 +1,9 @@
package jeopardy;
+import java.util.ArrayList;
+
public interface Model {
-
+ public boolean userExists(String name);
+ public void createUser(String name);
+ public ArrayList<String> validCategoriesForUsers(ArrayList<String> users);
}