Merge pull request #49 from schrom01/feature_gardenplan-model_M2

Feature gardenplan model m2

src/main/java/ch/zhaw/gartenverwaltung/gardenplan/Gardenplanmodel.java

@@ -1,8 +1,92 @@
 package ch.zhaw.gartenverwaltung.gardenplan;
 
+import ch.zhaw.gartenverwaltung.io.GardenPlan;
+import ch.zhaw.gartenverwaltung.io.HardinessZoneNotSetException;
+import ch.zhaw.gartenverwaltung.io.JsonGardenPlan;
+import ch.zhaw.gartenverwaltung.taskList.PlantNotFoundException;
+import ch.zhaw.gartenverwaltung.taskList.TaskListModel;
+import ch.zhaw.gartenverwaltung.types.Crop;
+import ch.zhaw.gartenverwaltung.types.Plant;
+import ch.zhaw.gartenverwaltung.types.Task;
+
+import java.io.IOException;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.function.Supplier;
+
+
+/**
+ * The Gardenplan model manages the crops in the gardenplan.
+ */
 public class Gardenplanmodel {
-//    private JasonGardenplan gardenplan;
-    // liste von crops
-    //task generieren
-    //plant holen, task template mit tasktemplateklasse tasks erstellen
+    private GardenPlan gardenPlan;
+    private List<Crop> cropList;
+    private TaskListModel taskListModel;
+    private Object IllegalArgumentException;
+
+    /**
+     * Constructor of Gardenplan model
+     *
+     * @param taskListModel holds a reference to the task list object.
+     */
+    public Gardenplanmodel(TaskListModel taskListModel) throws IOException {
+        this.taskListModel = taskListModel;
+        gardenPlan = new JsonGardenPlan();
+        cropList = new ArrayList<>();
+        cropList = gardenPlan.getCrops();
+    }
+
+    /**
+     * Creates a Crop with a {@link Plant} and the planting date of the plant. Then let the Tasklistmodel create the
+     * gardening {@link Task} for the crop. Store the crop in the gardenplan file and the cache.
+     *
+     * @param plant The plant which is wnated to be planted
+     * @param plantingDate The date, when the plant is planted
+     * @throws IOException If the database cannot be accessed
+     * @throws HardinessZoneNotSetException If the hardinesszone could not be added
+     * @throws PlantNotFoundException If the plant is not found in the database.
+     */
+    public void plantAsCrop(Plant plant, LocalDate plantingDate) throws IOException, HardinessZoneNotSetException, PlantNotFoundException {
+        Crop crop = new Crop(plant.id(), plantingDate);
+        //TODO Add Area to Plant
+        //crop.withArea(0);
+        gardenPlan.saveCrop(crop);
+        taskListModel.planTasksForCrop(crop);
+        cropList = gardenPlan.getCrops();
+    }
+
+    /**
+     * Removes a {@link Crop} from the file and the cache
+     *
+     * @param crop The plant which is wnated to be planted
+     * @throws IOException If the database cannot be accessed
+     */
+    public void removeCrop(Crop crop) throws IOException {
+        gardenPlan.removeCrop(crop);
+        taskListModel.removeTasksForCrop(crop.getCropId().orElseThrow(IllegalArgumentException::new));
+        cropList = gardenPlan.getCrops();
+    }
+    /**
+     * Returns a list of {@link Crop}s which are currently in the gardenplan.
+     *
+     * @throws IOException If the database cannot be accessed
+     */
+    public List<Crop> getCrops() throws IOException {
+        if(!cropList.isEmpty()){
+                cropList = gardenPlan.getCrops();
+        }
+        return cropList;
+    }
+
+    /**
+     * Returns an Optional of {@link Crop} if the crop is the gardenplan
+     *
+     * @param cropId The date, when the plant is planted
+     * @throws IOException If the database cannot be accessed
+     */
+    public Optional<Crop> getCrop(Long cropId) throws IOException {
+        return gardenPlan.getCropById(cropId);
+    }
 }

src/main/java/ch/zhaw/gartenverwaltung/io/GardenPlan.java

@@ -18,11 +18,11 @@ public interface GardenPlan {
     /**
      * Attempts to retrieve the {@link Crop} with the specified cropId.
      *
-     * @param id The {@link Crop#cropId} to look for
+     * @param cropId The {@link Crop} to look for
      * @return {@link Optional} of the found {@link Crop}, {@link Optional#empty()} if no entry matched the criteria
      * @throws IOException If there is a problem reading from or writing to the database
      */
-    Optional<Crop> getCropById(long id) throws IOException;
+    Optional<Crop> getCropById(long cropId) throws IOException;
 
     /**
      * Saves a Crop to the Database.

src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskDatabase.java

@@ -6,9 +6,11 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
@@ -25,6 +27,7 @@ import java.util.Map;
 public class JsonTaskDatabase implements TaskDatabase{
     IdProvider idProvider;
     private final URL dataSource = getClass().getResource("taskdb.json");
+    private final static String INVALID_DATASOURCE_MSG = "Invalid datasource specified!";
 
     private Map<Long, Task> taskMap = Collections.emptyMap();
 
@@ -35,7 +38,10 @@ public class JsonTaskDatabase implements TaskDatabase{
     static {
         DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyy-MM-dd");
         LocalDateDeserializer dateDeserializer = new LocalDateDeserializer(dateFormat);
+        LocalDateSerializer dateSerializer = new LocalDateSerializer(dateFormat);
+
         timeModule.addDeserializer(LocalDate.class, dateDeserializer);
+        timeModule.addSerializer(LocalDate.class, dateSerializer);
     }
 
     /**
@@ -121,12 +127,16 @@ public class JsonTaskDatabase implements TaskDatabase{
      * @throws IOException If the database cannot be accessed
      */
     private void writeTaskListToFile() throws IOException {
-        ObjectMapper mapper = new ObjectMapper();
-        mapper.registerModule(timeModule)
-                .registerModule(new Jdk8Module());
-
         if(dataSource != null) {
-            mapper.writeValue(new File(dataSource.getFile()), taskMap);
+            try {
+                new ObjectMapper()
+                        .registerModule(timeModule)
+                        .registerModule(new Jdk8Module())
+                        .writeValue(new File(dataSource.toURI()), taskMap.values());
+
+            } catch (URISyntaxException e) {
+                throw new IOException(INVALID_DATASOURCE_MSG, e);
+            }
         }
     }
 
@@ -138,7 +148,8 @@ public class JsonTaskDatabase implements TaskDatabase{
     private void loadTaskListFromFile() throws IOException {
         if (dataSource != null) {
             ObjectMapper mapper = new ObjectMapper();
-            mapper.registerModule(timeModule);
+            mapper.registerModule(timeModule)
+                    .registerModule(new Jdk8Module());
 
             List<Task> result;
             result = mapper.readerForListOf(Task.class).readValue(dataSource);
@@ -148,5 +159,8 @@ public class JsonTaskDatabase implements TaskDatabase{
                         (res, task) -> res.put(task.getId(), task),
                         (existing, replacement) -> {});
         }
+
+        Long maxId = taskMap.isEmpty() ? 0L : Collections.max(taskMap.keySet());
+        idProvider = new IdProvider(maxId);
     }
 }