Merge branch 'api_setup'

pom.xml

@@ -30,6 +30,11 @@
         </dependency>
     </dependencies>
     <build>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+            </resource>
+        </resources>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>

src/main/java/de/hs_mannheim/domain/System.java

@@ -1,11 +1,27 @@
 package de.hs_mannheim.domain;
 
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandlers;
 import java.util.HashSet;
 import java.util.TreeSet;
 
+import org.json.JSONObject;
+
 public class System {
     
-    private User current_user;
+    private User current_user = new User();
+    private String api_key;
+
+    public System(String api_key) {
+        this.api_key = api_key;
+    }
+
+    public void set_current_user_zip(String zip){
+        this.current_user.setZip(Integer.parseInt(zip));
+    }
 
     public HashSet<User> get_all_user(){
         return new HashSet<User>();
@@ -40,11 +56,128 @@ public class System {
     }
 
     public String current_weather(){
-        return "";
+        
+        String weather = "";
+        double temperature = 1;
+
+        try{
+        HttpClient http_client = HttpClient.newHttpClient();
+        
+        HttpRequest get_request = HttpRequest.newBuilder()
+                                            .uri(new URI("https://api.openweathermap.org/data/2.5/weather?zip="+current_user.getZip()+",de&appid="+api_key+"&units=metric&lang=de"))
+                                            .GET()
+                                            .build();
+        
+        HttpResponse get_response = http_client.send(get_request, BodyHandlers.ofString());
+
+        JSONObject json = new JSONObject(((String)get_response.body()).substring(0,((String) get_response.body()).length()));
+        weather = json.getJSONArray("weather").getJSONObject(0).getString("description");
+        temperature = json.getJSONObject("main").getDouble("temp");
+        } catch (Exception e){}
+        
+        if(weather.equals(""))
+            return "Es ist ein Fehler aufgetreten!";
+        else
+            return weather + ": " + temperature + " °C";
+
     }
 
     public String weather_forecast(String destination_zip){
-        return "";
+        
+        String weather_day_1 = "";
+        String weather_day_2 = "";
+        String weather_day_3 = "";
+
+        double temperature_day_1_1 = 1;
+        double temperature_day_1_2 = 1;
+        double temperature_day_1_3 = 1;
+        double temperature_day_1_4 = 1;
+
+        TreeSet<Double> temperature_day_1 = new TreeSet<>();
+        double temperature_day_1_high = 1;
+        double temperature_day_1_low = 1;
+
+        double temperature_day_2_1 = 1;
+        double temperature_day_2_2 = 1;
+        double temperature_day_2_3 = 1;
+        double temperature_day_2_4 = 1;
+
+        TreeSet<Double> temperature_day_2 = new TreeSet<>();
+        double temperature_day_2_high = 1;
+        double temperature_day_2_low = 1;
+
+        double temperature_day_3_1 = 1;
+        double temperature_day_3_2 = 1;
+        double temperature_day_3_3 = 1;
+        double temperature_day_3_4 = 1;
+
+        TreeSet<Double> temperature_day_3 = new TreeSet<>();
+        double temperature_day_3_high = 1;
+        double temperature_day_3_low = 1;
+
+
+        try{
+            HttpClient http_client = HttpClient.newHttpClient();
+            
+            HttpRequest get_request = HttpRequest.newBuilder()
+                                                .uri(new URI("https://api.openweathermap.org/data/2.5/forecast?zip="+destination_zip+",de&appid="+api_key+"&units=metric&lang=de"))
+                                                .GET()
+                                                .build();
+            
+            HttpResponse get_response = http_client.send(get_request, BodyHandlers.ofString());
+
+            JSONObject json = new JSONObject(((String)get_response.body()).substring(0,((String) get_response.body()).length()));
+            weather_day_1 = json.getJSONArray("list").getJSONObject(11).getJSONArray("weather").getJSONObject(0).getString("description");
+            weather_day_2 = json.getJSONArray("list").getJSONObject(19).getJSONArray("weather").getJSONObject(0).getString("description");
+            weather_day_3 = json.getJSONArray("list").getJSONObject(27).getJSONArray("weather").getJSONObject(0).getString("description");
+            
+            temperature_day_1_1 = json.getJSONArray("list").getJSONObject(8).getJSONObject("main").getDouble("temp");
+            temperature_day_1_2 = json.getJSONArray("list").getJSONObject(10).getJSONObject("main").getDouble("temp");
+            temperature_day_1_3 = json.getJSONArray("list").getJSONObject(12).getJSONObject("main").getDouble("temp");
+            temperature_day_1_4 = json.getJSONArray("list").getJSONObject(14).getJSONObject("main").getDouble("temp");
+        
+            temperature_day_2_1 = json.getJSONArray("list").getJSONObject(16).getJSONObject("main").getDouble("temp");
+            temperature_day_2_2 = json.getJSONArray("list").getJSONObject(18).getJSONObject("main").getDouble("temp");
+            temperature_day_2_3 = json.getJSONArray("list").getJSONObject(20).getJSONObject("main").getDouble("temp");
+            temperature_day_2_4 = json.getJSONArray("list").getJSONObject(22).getJSONObject("main").getDouble("temp");
+        
+            temperature_day_3_1 = json.getJSONArray("list").getJSONObject(24).getJSONObject("main").getDouble("temp");
+            temperature_day_3_2 = json.getJSONArray("list").getJSONObject(26).getJSONObject("main").getDouble("temp");
+            temperature_day_3_3 = json.getJSONArray("list").getJSONObject(28).getJSONObject("main").getDouble("temp");
+            temperature_day_3_4 = json.getJSONArray("list").getJSONObject(30).getJSONObject("main").getDouble("temp");
+        
+        } catch (Exception e){}
+        
+        temperature_day_1.add(temperature_day_1_1);
+        temperature_day_1.add(temperature_day_1_2);
+        temperature_day_1.add(temperature_day_1_3);
+        temperature_day_1.add(temperature_day_1_4);
+
+        temperature_day_1_high = (double) temperature_day_1.toArray()[temperature_day_1.size()-1];
+        temperature_day_1_low = (double) temperature_day_1.toArray()[0];
+
+        temperature_day_2.add(temperature_day_2_1);
+        temperature_day_2.add(temperature_day_2_2);
+        temperature_day_2.add(temperature_day_2_3);
+        temperature_day_2.add(temperature_day_2_4);
+
+        temperature_day_2_high = (double) temperature_day_2.toArray()[temperature_day_1.size()-1];
+        temperature_day_2_low = (double) temperature_day_2.toArray()[0];
+
+        temperature_day_3.add(temperature_day_3_1);
+        temperature_day_3.add(temperature_day_3_2);
+        temperature_day_3.add(temperature_day_3_3);
+        temperature_day_3.add(temperature_day_3_4);
+
+        temperature_day_3_high = (double) temperature_day_3.toArray()[temperature_day_1.size()-1];
+        temperature_day_3_low = (double) temperature_day_3.toArray()[0];
+
+        if(weather_day_1.equals("")||weather_day_2.equals("")||weather_day_3.equals(""))
+            return "Es ist ein Fehler aufgetreten!";
+        else
+            return "Morgen: " + weather_day_1 + ": Minimum: " + temperature_day_1_low + " °C" + "; Maximum: " + temperature_day_1_high + " °C\n"
+            + "Übermorgen: " + weather_day_2 + ": Minimum: " + temperature_day_2_low + " °C" + "; Maximum: " + temperature_day_2_high + " °C\n"
+            + "Überübermorgen: " + weather_day_3 + ": Minimum: " + temperature_day_3_low + " °C" + "; Maximum: " + temperature_day_3_high + " °C";
     }
 
     public String distance(String destination_zip){

src/main/java/de/hs_mannheim/facade/Application.java

@@ -8,8 +8,8 @@ public class Application {
     
     private System running_system;
 
-    public Application(){
-        this.running_system = new System();
+    public Application(String api_key){
+        this.running_system = new System(api_key);
     }
 
     public boolean sign_in_user(String username, String password){

src/test/java/de/hs_mannheim/domain/SystemTest.java

@@ -0,0 +1,28 @@
+package de.hs_mannheim.domain;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class SystemTest {
+    
+    @Test
+    public void weather_forecast(){
+
+        System current_system = new System("35a75437476f12302f72e55d368485db");
+
+        assertNotEquals("Es ist ein Fehler aufgetreten!",current_system.weather_forecast("68161"));
+    }
+
+    @Test
+    public void current_weather(){
+
+        System current_system = new System("35a75437476f12302f72e55d368485db");
+
+        current_system.set_current_user_zip("68161");
+
+        assertNotEquals("Es ist ein Fehler aufgetreten!",current_system.current_weather());
+    }
+
+}