Minimum viable deserialization

Added TaskTemplate type
Added dummy data with (probably) usable format
Used the java.time classes instead of the legacy util.Date

build.gradle

@@ -38,6 +38,7 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-api:${junitVersion}")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:${junitVersion}")
     implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.13.4'
+    implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.4'
 }
 
 test {

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

@@ -3,11 +3,13 @@ package ch.zhaw.gartenverwaltung.io;
 import ch.zhaw.gartenverwaltung.types.HardinessZone;
 import ch.zhaw.gartenverwaltung.types.Plant;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.MonthDayDeserializer;
 
 import java.io.IOException;
 import java.net.URL;
-import java.text.DateFormat;
+import java.time.MonthDay;
-import java.text.SimpleDateFormat;
+import java.time.format.DateTimeFormatter;
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
@@ -15,14 +17,20 @@ import java.util.Optional;
 public class JsonPlantDatabase implements PlantDatabase {
     private final URL dataSource = getClass().getResource("plantdb.json");
 
+    private final static JavaTimeModule timeModule = new JavaTimeModule();
+    static {
+        DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("MM-dd");
+        MonthDayDeserializer dateDeserializer = new MonthDayDeserializer(dateFormat);
+        timeModule.addDeserializer(MonthDay.class, dateDeserializer);
+    }
+
     @Override
     public List<Plant> getPlantList(HardinessZone zone) throws IOException {
         List<Plant> result = Collections.emptyList();
 
         if (dataSource != null) {
             ObjectMapper mapper = new ObjectMapper();
-            DateFormat dateFormat = new SimpleDateFormat("MM-dd");
+            mapper.registerModule(timeModule);
-            mapper.setDateFormat(dateFormat);
 
             result = mapper.readerForListOf(Plant.class).readValue(dataSource);
         }

src/main/java/ch/zhaw/gartenverwaltung/types/GrowthPhase.java

@@ -4,12 +4,16 @@ import ch.zhaw.gartenverwaltung.json.GrowthPhaseTypeDeserializer;
 import ch.zhaw.gartenverwaltung.json.HardinessZoneDeserializer;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 
-import java.util.Date;
+import java.time.MonthDay;
+import java.util.List;
 
 
 public record GrowthPhase(
-        Date startDate,
+        MonthDay startDate,
-        Date endDate,
+        MonthDay endDate,
+        int group,
+        Object wateringCycle,
         @JsonDeserialize(using = GrowthPhaseTypeDeserializer.class) GrowthPhaseType type,
-        @JsonDeserialize(using = HardinessZoneDeserializer.class) HardinessZone zone) {
+        @JsonDeserialize(using = HardinessZoneDeserializer.class) HardinessZone zone,
+        List<TaskTemplate> taskTemplates) {
 }

src/main/java/ch/zhaw/gartenverwaltung/types/GrowthPhaseType.java

@@ -1,5 +1,5 @@
 package ch.zhaw.gartenverwaltung.types;
 
 public enum GrowthPhaseType {
-    SOW, PLANT, HARVEST
+    SOW, PLANT, REPLANT, HARVEST
 }

src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java

@@ -7,10 +7,8 @@ public record Plant(
         String name,
         String description,
         int spacing,
-        Object water,
         int light,
-        List<String> maintenance,
+        String soil,
-        List<String> specialTasks,
+        List<Object> pests,
-        List<String> pests,
         List<GrowthPhase> lifecycle) {
 }

src/main/java/ch/zhaw/gartenverwaltung/types/Task.java

@@ -1,6 +1,7 @@
 package ch.zhaw.gartenverwaltung.types;
 
-import java.util.Date;
+
+import java.time.LocalDate;
 import java.util.Optional;
 
 /**
@@ -11,14 +12,21 @@ public class Task {
     private long id;
     private final String name;
     private final String description;
-    private final Date startDate;
+    private final LocalDate startDate;
     private Integer interval;
-    private Date endDate;
+    private LocalDate endDate;
 
-    public Task(String name, String description, Date startDate) {
+    public Task(String name, String description, LocalDate startDate) {
         this.name = name;
         this.description = description;
-        this.startDate = endDate;
+        this.startDate = startDate;
+    }
+    public Task(String name, String description, LocalDate startDate, LocalDate endDate, int interval) {
+        this.name = name;
+        this.description = description;
+        this.startDate = startDate;
+        this.endDate = endDate;
+        this.interval = interval;
     }
 
     // Builder-pattern-style setters
@@ -30,7 +38,7 @@ public class Task {
         this.interval = interval;
         return this;
     }
-    public Task withEndDate(Date endDate) {
+    public Task withEndDate(LocalDate endDate) {
         this.endDate = endDate;
         return this;
     }
@@ -39,12 +47,12 @@ public class Task {
     public long getId() { return id; }
     public String getName() { return name; }
     public String getDescription() { return description; }
-    public Date getStartDate() { return startDate; }
+    public LocalDate getStartDate() { return startDate; }
 
     public Optional<Integer> getInterval() {
         return Optional.ofNullable(interval);
     }
-    public Optional<Date> getEndDate() {
+    public Optional<LocalDate> getEndDate() {
         return Optional.ofNullable(endDate);
     }
 }

src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java

@@ -0,0 +1,57 @@
+package ch.zhaw.gartenverwaltung.types;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.time.LocalDate;
+
+public class TaskTemplate {
+    @JsonProperty
+    private final String name;
+    @JsonProperty
+    private final String description;
+    @JsonProperty
+    private final int relativeStartDate;
+    @JsonProperty
+    private Integer relativeEndDate;
+    @JsonProperty
+    private Integer interval;
+
+    // TODO: reconsider if we need this
+    @JsonProperty
+    private boolean isOptional = false;
+
+    /**
+     * Default constructor
+     * (Used by deserializer)
+     */
+    public TaskTemplate() {
+        this.name = "";
+        this.description = "";
+        this.relativeStartDate = 0;
+    }
+
+    // Setters
+    public void setRelativeEndDate(Integer relativeEndDate) {
+        this.relativeEndDate = relativeEndDate;
+    }
+    public void setInterval(Integer interval) {
+        this.interval = interval;
+    }
+
+    public TaskTemplate(String name, String description, int relativeStartDate) {
+        this.name = name;
+        this.description = description;
+        this.relativeStartDate = relativeStartDate;
+    }
+
+    public Task generateTask(LocalDate realStartDate) {
+        Task task = new Task(name, description, realStartDate.plusDays(relativeStartDate));
+        if (relativeEndDate != null) {
+            task.withEndDate(realStartDate.plusDays(relativeEndDate));
+        }
+        if (interval != null) {
+            task.withInterval(interval);
+        }
+        return task;
+    }
+}

src/main/java/module-info.java

@@ -2,7 +2,7 @@ module ch.zhaw.gartenverwaltung {
     requires javafx.controls;
     requires javafx.fxml;
     requires com.fasterxml.jackson.databind;
-
+    requires com.fasterxml.jackson.datatype.jsr310;
 
     opens ch.zhaw.gartenverwaltung to javafx.fxml;
     opens ch.zhaw.gartenverwaltung.types to com.fasterxml.jackson.databind;

src/main/resources/ch/zhaw/gartenverwaltung/io/plantdb.json

@@ -1,31 +1,85 @@
 [
   {
+    "id": 0,
     "name": "Potato",
-    "description": "Tasty tubers.",
+    "description": "The potato is a tuber, round or oval, with small white roots called  'eyes', that are growth buds. The size varies depending on the variety; the colour of the skin can be white, yellow or even purple.",
-    "water": {
-      "amount": "27-55",
-      "interval": 7
-    },
     "light": 6,
-    "maintenance": [],
+    "spacing": "35",
-    "specialTasks": [],
+    "soil": "sandy",
-    "lifecycle": [
+    "pests": [
       {
-        "startDate": "04-01",
+        "name": "Rot",
-        "endDate": "05-31",
+        "description": "Rot, any of several plant diseases, caused by any of hundreds of species of soil-borne bacteria, fungi, and funguslike organisms (Oomycota). Rot diseases are characterized by plant decomposition and putrefaction. The decay may be hard, dry, spongy, watery, mushy, or slimy and may affect any plant part.",
-        "type": "SOW",
+        "measures": "Less water."
-        "zone": "ZONE_8A"
-      },
-      {
-        "startDate": "07-01",
-        "endDate": "08-31",
-        "type": "HARVEST",
-        "zone": "ZONE_8A"
       }
     ],
-    "spacing": 35,
+    "lifecycle": [
-    "pests": [
+      {
-      "Potato beetle"
+        "startDate": "03-10",
+        "endDate": "04-10",
+        "type": "SOW",
+        "zone": "ZONE_8A",
+        "group": 0,
+        "wateringCycle": {
+          "litersPerSqM": 0,
+          "interval": null,
+          "notes": []
+        },
+        "taskTemplates": [
+          {
+            "name": "Germinate",
+            "relativeStartDate": -14,
+            "relativeEndDate": null,
+            "description": "\"Take an egg carton and fill it with soil. Put the seedling deep enaugh so its half covered with soil. Keep it in 10-15 * Celsius with lots of light.\"",
+            "interval": null,
+            "isOptional": false
+          }
+        ]
+      },
+      {
+        "startDate": "04-10",
+        "endDate": "07-10",
+        "type": "PLANT",
+        "zone": "ZONE_8A",
+        "group": 0,
+        "wateringCycle": {
+          "litersPerSqM": 25,
+          "interval": 7,
+          "notes": []
+        },
+        "taskTemplates": [
+          {
+            "name": "hilling",
+            "relativeStartDate": 0,
+            "relativeEndDate": null,
+            "description": "\"When the plants are 20 cm tall, begin hilling the potatoes by gently mounding the soil from the center of your rows around the stems of the plant. Mound up the soil around the plant until just the top few leaves show above the soil. Two weeks later, hill up the soil again when the plants grow another 20 cm.\"",
+            "interval": 21,
+            "isOptional": false
+          }
+        ]
+      },
+      {
+        "startDate": "06-10",
+        "endDate": "08-10",
+        "type": "HARVEST",
+        "zone": "ZONE_8A",
+        "group": 0,
+        "wateringCycle": {
+          "litersPerSqM": 0,
+          "interval": null,
+          "notes": []
+        },
+        "taskTemplates": [
+          {
+            "name": "Harvest",
+            "relativeStartDate": 0,
+            "relativeEndDate": null,
+            "description": "Once the foliage has wilted and dried completely, harvest on a dry day. Store in a dark and cool location.",
+            "interval": null,
+            "isOptional": false
+          }
+        ]
+      }
     ]
   }
 ]