add getChecklists and postChecklist

- add class Checklist
- add class ChecklistPrototype

wrapper/src/main/java/wekan/wrapper/api/ChecklistService.java

@@ -0,0 +1,56 @@
+package wekan.wrapper.api;
+
+import retrofit2.Call;
+import retrofit2.http.*;
+import wekan.wrapper.entity.Checklist;
+import wekan.wrapper.entity.ChecklistPrototype;
+
+import java.util.List;
+
+public interface ChecklistService {
+
+    /**
+     * Get all checklists attached on a card.
+     *
+     * @param boardId   The ID of the board
+     * @param cardId    The ID of the card
+     * @return  The list with the checklists
+     */
+    @GET("/api/boards/{boardId}/cards/{cardId}/checklists")
+    Call<List<Checklist>> getChecklists(
+            @Path("boardId") String boardId,
+            @Path("cardId") String cardId
+    );
+
+    /**
+     * Attach new empty checklist to a card.
+     *
+     * @param boardId   The ID of the board
+     * @param cardId    The ID of the card
+     * @param title     The title of the new checklist
+     * @return  The new checklist
+     */
+    @FormUrlEncoded
+    @POST("/api/boards/{boardId}/cards/{cardId}/checklists")
+    Call<Checklist> postChecklist(
+            @Path("boardId") String boardId,
+            @Path("cardId") String cardId,
+            @Field("title") String title
+    );
+
+    /**
+     * Attach new checklist to a card.
+     *
+     * @param boardId               The ID of the board
+     * @param cardId                The ID of the card
+     * @param checklistPrototype    The prototype of the checklist
+     * @return  The new checklist
+     * @see ChecklistPrototype
+     */
+    @POST("/api/boards/{boardId}/cards/{cardId}/checklists")
+    Call<Checklist> postChecklist(
+            @Path("boardId") String boardId,
+            @Path("cardId") String cardId,
+            @Body ChecklistPrototype checklistPrototype
+    );
+}

wrapper/src/main/java/wekan/wrapper/entity/Checklist.java

@@ -0,0 +1,57 @@
+package wekan.wrapper.entity;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.util.Date;
+
+public class Checklist {
+    @SerializedName("_id")
+    private String id;
+    private String cardId;
+    private String title;
+    private Date finishedAt;
+    private Date createdAt;
+    private Date modifiedAt;
+    private int sort;
+
+    public String getId() {
+        return id;
+    }
+
+    public String getCardId() {
+        return cardId;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public Date getFinishedAt() {
+        return finishedAt;
+    }
+
+    public Date getCreatedAt() {
+        return createdAt;
+    }
+
+    public Date getModifiedAt() {
+        return modifiedAt;
+    }
+
+    public int getSort() {
+        return sort;
+    }
+
+    @Override
+    public String toString() {
+        return "Checklist{" +
+                "id='" + id + '\'' +
+                ", cardId='" + cardId + '\'' +
+                ", title='" + title + '\'' +
+                ", finishedAt=" + finishedAt +
+                ", createdAt=" + createdAt +
+                ", modifiedAt=" + modifiedAt +
+                ", sort=" + sort +
+                '}';
+    }
+}

wrapper/src/main/java/wekan/wrapper/entity/ChecklistPrototype.java

@@ -0,0 +1,40 @@
+package wekan.wrapper.entity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ChecklistPrototype {
+    private String title;
+    private List<String> items;
+
+    private ChecklistPrototype(String title, List<String> items) {
+        this.title = title;
+        this.items = items;
+    }
+
+    public static class Builder {
+        private String title;
+        private List<String> items;
+
+        public Builder() {
+            items = new ArrayList<>();
+        }
+
+        public ChecklistPrototype build() {
+            return new ChecklistPrototype(
+                    title,
+                    items
+            );
+        }
+
+        public Builder setTitle(String title) {
+            this.title = title;
+            return this;
+        }
+
+        public Builder addItems(String item) {
+            items.add(item);
+            return this;
+        }
+    }
+}