RyanGoodwill/web_assignment
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去除了部分临时性硬编码用户名;

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用户名密码相关getter,setter;
移动了部分方法的位置;
登录注册支持;
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高子兴 2024-07-14 13:26:03 +08:00
parent f063c5056d
commit 98f49e07ce
1 changed files with 45 additions and 94 deletions
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139
src/main/java/com/web/web_assignment/ProjectBean.java
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@ -7,7 +7,7 @@ import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import java.io.Serializable;
import java.sql.*;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@ -20,7 +20,7 @@ public class ProjectBean implements Serializable {
private final DatabaseService databaseService = new DatabaseService();
private List<Project> projects; // List to store all projects
private Project project; // Current project being worked on
private String username = "admin";
private String username;
private String password;
public String projectKeywords = ""; // String to hold project keywords
public String projectCollaborators = ""; // String to hold project collaborators
@ -45,11 +45,10 @@ public class ProjectBean implements Serializable {
public void init() {
loadProjects(); // Load projects from the database
System.out.println("Projects loaded: " + projects.size());
if (projects.isEmpty()) {
// loadFakeProjects(); // Load fake projects if no projects are found
saveProjects(); // Save the fake projects to the database
}
loadAllKeywords(); // Load all unique keywords from all projects
if (projects.isEmpty()){
Project emptyProject = new Project("", "", "", new ArrayList<>(), "", new ArrayList<>(), "", "");
}
setProject(projects.get(0)); // Set the first project as the current project
}
@ -103,7 +102,6 @@ public class ProjectBean implements Serializable {
// Check for validation errors
if (context.getMessages().hasNext()) {
// Validation errors exist, do not save data
// context.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Validation errors exist. Please fix them before saving.", null));
return "edit";
}
@ -111,108 +109,61 @@ public class ProjectBean implements Serializable {
project.setKeywords(new ArrayList<>(selectedKeywords));
try {
Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
Connection conn = DriverManager.getConnection(getJDBCurl());
// Iterate over all projects and save to the database
for (Project project : projects) {
// Check if the project already exists
String checkSql = "SELECT COUNT(*) FROM projects WHERE title = ?";
PreparedStatement checkStmt = conn.prepareStatement(checkSql);
checkStmt.setString(1, project.getTitle());
ResultSet rs = checkStmt.executeQuery();
rs.next();
int count = rs.getInt(1);
if (count > 0) {
// Project exists, perform update
String updateSql = "UPDATE projects SET summary = ?, description = ?, keywords = ?, type = ?, collaborators = ?, link = ?, time = ? WHERE title = ?";
PreparedStatement updateStmt = conn.prepareStatement(updateSql);
updateStmt.setString(1, project.getSummary());
updateStmt.setString(2, project.getDescription());
updateStmt.setString(3, String.join(", ", project.getKeywords()));
updateStmt.setString(4, project.getType());
updateStmt.setString(5, String.join(", ", project.getCollaborators()));
updateStmt.setString(6, project.getLink());
updateStmt.setString(7, project.getTime());
updateStmt.setString(8, project.getTitle());
updateStmt.executeUpdate();
} else {
// Project does not exist, perform insert
String insertSql = "INSERT INTO projects (title, summary, description, keywords, type, collaborators, link, time) VALUES (?, ?, ?, ?, ?, ?, ?, ?)";
PreparedStatement insertStmt = conn.prepareStatement(insertSql);
insertStmt.setString(1, project.getTitle());
insertStmt.setString(2, project.getSummary());
insertStmt.setString(3, project.getDescription());
insertStmt.setString(4, String.join(", ", project.getKeywords()));
insertStmt.setString(5, project.getType());
insertStmt.setString(6, String.join(", ", project.getCollaborators()));
insertStmt.setString(7, project.getLink());
insertStmt.setString(8, project.getTime());
insertStmt.executeUpdate();
}
}
conn.close();
databaseService.saveProjects(username, projects);
context.addMessage("saveButton", new FacesMessage(FacesMessage.SEVERITY_INFO, "Submission Succeeded", null));
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
return "project";
}
public void saveProjects() {
public String register() {
try {
Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
Connection conn = DriverManager.getConnection(getJDBCurl());
databaseService.registerUser(username, password);
} catch (SQLException e) {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Registration failed", null));
return "register";
}
return "login";
}
// Iterate over all projects and save to the database
for (Project project : projects) {
// Check if the project already exists
String checkSql = "SELECT COUNT(*) FROM projects WHERE title = ?";
PreparedStatement checkStmt = conn.prepareStatement(checkSql);
checkStmt.setString(1, project.getTitle());
ResultSet rs = checkStmt.executeQuery();
rs.next();
int count = rs.getInt(1);
if (count > 0) {
// Project exist, perform update
String updateSql = "UPDATE projects SET summary = ?, description = ?, keywords = ?, type = ?, collaborators = ?, link = ?, time = ? WHERE title = ?";
PreparedStatement updateStmt = conn.prepareStatement(updateSql);
updateStmt.setString(1, project.getSummary());
updateStmt.setString(2, project.getDescription());
updateStmt.setString(3, String.join(", ", project.getKeywords()));
updateStmt.setString(4, project.getType());
updateStmt.setString(5, String.join(", ", project.getCollaborators()));
updateStmt.setString(6, project.getLink());
updateStmt.setString(7, project.getTime());
updateStmt.setString(8, project.getTitle());
updateStmt.executeUpdate();
} else {
// Project does not exist, perform insert
String insertSql = "INSERT INTO projects (title, summary, description, keywords, type, collaborators, link, time) VALUES (?, ?, ?, ?, ?, ?, ?, ?)";
PreparedStatement insertStmt = conn.prepareStatement(insertSql);
insertStmt.setString(1, project.getTitle());
insertStmt.setString(2, project.getSummary());
insertStmt.setString(3, project.getDescription());
insertStmt.setString(4, String.join(", ", project.getKeywords()));
insertStmt.setString(5, project.getType());
insertStmt.setString(6, String.join(", ", project.getCollaborators()));
insertStmt.setString(7, project.getLink());
insertStmt.setString(8, project.getTime());
insertStmt.executeUpdate();
}
public String login() {
try {
if (databaseService.validateUser(username, password)) {
FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("username", username);
loadProjects();
return "project";
} else {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Login failed", null));
return "login";
}
conn.close();
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
return "login";
}
}
public String logout() {
FacesContext.getCurrentInstance().getExternalContext().invalidateSession();
return "index";
}
// Getters and setters for username and password
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getKeywordsAsString() {
return project != null ? String.join(", ", project.getKeywords()) : "";