User input

.gitignore

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+*.iml
+target/
+.idea/
+Config.java

migration.sql

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+USE adlister_db;
+
+DROP TABLE IF EXISTS ads;
+DROP TABLE IF EXISTS users;
+
+CREATE TABLE users (
+    id INT UNSIGNED NOT NULL AUTO_INCREMENT,
+    username VARCHAR(240) NOT NULL,
+    email VARCHAR(240) NOT NULL,
+    password VARCHAR(255) NOT NULL,
+    PRIMARY KEY (id)
+);
+
+CREATE TABLE ads (
+    id INT UNSIGNED NOT NULL AUTO_INCREMENT,
+    user_id INT UNSIGNED NOT NULL,
+    title VARCHAR(240) NOT NULL,
+    description TEXT NOT NULL,
+    PRIMARY KEY (id),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+        ON DELETE CASCADE
+);

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.codeup.adlister</groupId>
+    <artifactId>adlister</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.6.0</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>jstl</groupId>
+            <artifactId>jstl</artifactId>
+            <version>1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>6.0.5</version>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/com/codeup/adlister/controllers/AdsIndexServlet.java

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+package com.codeup.adlister.controllers;
+
+import com.codeup.adlister.dao.DaoFactory;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.AdsIndexServlet", urlPatterns = "/ads")
+public class AdsIndexServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        request.setAttribute("ads", DaoFactory.getAdsDao().all());
+        request.getRequestDispatcher("/WEB-INF/ads/index.jsp").forward(request, response);
+    }
+}

src/main/java/com/codeup/adlister/controllers/CounterServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.CounterServlet", urlPatterns = "/count")
+public class CounterServlet extends HttpServlet {
+    private int counter = 0;
+
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        counter += 1;
+        response.getWriter().println("<h1>The count is " + counter + ".</h1>");
+    }
+}

src/main/java/com/codeup/adlister/controllers/CreateAdServlet.java

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+package com.codeup.adlister.controllers;
+
+import com.codeup.adlister.dao.DaoFactory;
+import com.codeup.adlister.models.Ad;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.CreateAdServlet", urlPatterns = "/ads/create")
+public class CreateAdServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        request.getRequestDispatcher("/WEB-INF/ads/create.jsp")
+            .forward(request, response);
+    }
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        Ad ad = new Ad(
+            1, // for now we'll hardcode the user id
+            request.getParameter("title"),
+            request.getParameter("description")
+        );
+        DaoFactory.getAdsDao().insert(ad);
+        response.sendRedirect("/ads");
+    }
+}

src/main/java/com/codeup/adlister/controllers/HelloWorldServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.HelloWorldServlet", urlPatterns = "/")
+public class HelloWorldServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        response.getWriter().println("<h1>Hello, World!</h1>");
+    }
+}

src/main/java/com/codeup/adlister/controllers/LoginServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.LoginServlet", urlPatterns = "/login")
+public class LoginServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        if (request.getSession().getAttribute("user") != null) {
+            response.sendRedirect("/profile");
+            return;
+        }
+        request.getRequestDispatcher("/WEB-INF/login.jsp").forward(request, response);
+    }
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        String username = request.getParameter("username");
+        String password = request.getParameter("password");
+
+        // TODO: find a record in your database that matches the submitted password
+        // TODO: make sure we find a user with that username
+        // TODO: check the submitted password against what you have in your database
+        boolean validAttempt = false;
+
+        if (validAttempt) {
+            // TODO: store the logged in user object in the session, instead of just the username
+            request.getSession().setAttribute("user", username);
+            response.sendRedirect("/profile");
+        } else {
+            response.sendRedirect("/login");
+        }
+    }
+}

src/main/java/com/codeup/adlister/controllers/LogoutServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.LogoutServlet", urlPatterns = "/logout")
+public class LogoutServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        request.getSession().removeAttribute("user");
+        request.getSession().invalidate();
+        response.sendRedirect("/login");
+    }
+}

src/main/java/com/codeup/adlister/controllers/RegisterServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet(name = "controllers.RegisterServlet", urlPatterns = "/register")
+public class RegisterServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) {
+        // TODO: show the registration form
+    }
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) {
+        // TODO: ensure the submitted information is valid
+        // TODO: create a new user based off of the submitted information
+        // TODO: if a user was successfully created, send them to their profile
+    }
+}
+//

src/main/java/com/codeup/adlister/controllers/ViewProfileServlet.java

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+package com.codeup.adlister.controllers;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@WebServlet(name = "controllers.ViewProfileServlet", urlPatterns = "/profile")
+public class ViewProfileServlet extends HttpServlet {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        if (request.getSession().getAttribute("user") == null) {
+            response.sendRedirect("/login");
+            return;
+        }
+        request.getRequestDispatcher("/WEB-INF/profile.jsp").forward(request, response);
+    }
+}

src/main/java/com/codeup/adlister/dao/Ads.java

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+package com.codeup.adlister.dao;
+
+import com.codeup.adlister.models.Ad;
+
+import java.util.List;
+
+public interface Ads {
+    // get a list of all the ads
+    List<Ad> all();
+    // insert a new ad and return the new ad's id
+    Long insert(Ad ad);
+}

src/main/java/com/codeup/adlister/dao/DaoFactory.java

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+package com.codeup.adlister.dao;
+
+public class DaoFactory {
+    private static Ads adsDao;
+    private static Config config = new Config();
+
+    public static Ads getAdsDao() {
+        if (adsDao == null) {
+            adsDao = new MySQLAdsDao(config);
+        }
+        return adsDao;
+    }
+}

src/main/java/com/codeup/adlister/dao/ListAdsDao.java

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+package com.codeup.adlister.dao;
+
+import com.codeup.adlister.models.Ad;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ListAdsDao implements Ads {
+    private List<Ad> ads;
+
+    public List<Ad> all() {
+        if (ads == null) {
+            ads = generateAds();
+        }
+        return ads;
+    }
+
+    public Long insert(Ad ad) {
+        // make sure we have ads
+        if (ads == null) {
+            ads = generateAds();
+        }
+        // we'll assign an "id" here based on the size of the ads list
+        // really the dao would handle this
+        ad.setId((long) ads.size());
+        ads.add(ad);
+        return ad.getId();
+    }
+
+    private List<Ad> generateAds() {
+        List<Ad> ads = new ArrayList<>();
+        ads.add(new Ad(
+            1,
+            1,
+            "playstation for sale",
+            "This is a slightly used playstation"
+        ));
+        ads.add(new Ad(
+            2,
+            1,
+            "Super Nintendo",
+            "Get your game on with this old-school classic!"
+        ));
+        ads.add(new Ad(
+            3,
+            2,
+            "Junior Java Developer Position",
+            "Minimum 7 years of experience required. You will be working in the scripting language for Java, JavaScript"
+        ));
+        ads.add(new Ad(
+            4,
+            2,
+            "JavaScript Developer needed",
+            "Must have strong Java skills"
+        ));
+        return ads;
+    }
+}