package com.box.sdk;
import java.net.URL;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import com.eclipsesource.json.JsonArray;
import com.eclipsesource.json.JsonObject;
import com.eclipsesource.json.JsonValue;
/**
* Represents a task on Box. Tasks can have a due date and can be assigned to a specific user.
*/
@BoxResourceType("task")
public class BoxTask extends BoxResource {
private static final URLTemplate TASK_URL_TEMPLATE = new URLTemplate("tasks/%s");
private static final URLTemplate GET_ASSIGNMENTS_URL_TEMPLATE = new URLTemplate("tasks/%s/assignments");
private static final URLTemplate ADD_TASK_ASSIGNMENT_URL_TEMPLATE = new URLTemplate("task_assignments");
/**
* Constructs a BoxTask for a task with a given ID.
* @param api the API connection to be used by the task.
* @param id the ID of the task.
*/
public BoxTask(BoxAPIConnection api, String id) {
super(api, id);
}
/**
* Deletes this task.
*/
public void delete() {
URL url = TASK_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID());
BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "DELETE");
BoxAPIResponse response = request.send();
response.disconnect();
}
/**
* Adds a new assignment to this task.
* @param assignTo the user to assign the assignment to.
* @return information about the newly added task assignment.
*/
public BoxTaskAssignment.Info addAssignment(BoxUser assignTo) {
JsonObject taskJSON = new JsonObject();
taskJSON.add("type", "task");
taskJSON.add("id", this.getID());
JsonObject assignToJSON = new JsonObject();
assignToJSON.add("id", assignTo.getID());
JsonObject requestJSON = new JsonObject();
requestJSON.add("task", taskJSON);
requestJSON.add("assign_to", assignToJSON);
URL url = ADD_TASK_ASSIGNMENT_URL_TEMPLATE.build(this.getAPI().getBaseURL());
BoxJSONRequest request = new BoxJSONRequest(this.getAPI(), url, "POST");
request.setBody(requestJSON.toString());
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
BoxTaskAssignment addedAssignment = new BoxTaskAssignment(this.getAPI(), responseJSON.get("id").asString());
return addedAssignment.new Info(responseJSON);
}
/**
* Adds a new assignment to this task using user's login as identifier.
* @param assignToLogin the login of user to assign the task to.
* @return information about the newly added task assignment.
*/
public BoxTaskAssignment.Info addAssignmentByLogin(String assignToLogin) {
JsonObject taskJSON = new JsonObject();
taskJSON.add("type", "task");
taskJSON.add("id", this.getID());
JsonObject assignToJSON = new JsonObject();
assignToJSON.add("login", assignToLogin);
JsonObject requestJSON = new JsonObject();
requestJSON.add("task", taskJSON);
requestJSON.add("assign_to", assignToJSON);
URL url = ADD_TASK_ASSIGNMENT_URL_TEMPLATE.build(this.getAPI().getBaseURL());
BoxJSONRequest request = new BoxJSONRequest(this.getAPI(), url, "POST");
request.setBody(requestJSON.toString());
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
BoxTaskAssignment addedAssignment = new BoxTaskAssignment(this.getAPI(), responseJSON.get("id").asString());
return addedAssignment.new Info(responseJSON);
}
/**
* Gets any assignments for this task.
* @return a list of assignments for this task.
*/
public List<BoxTaskAssignment.Info> getAssignments() {
URL url = GET_ASSIGNMENTS_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID());
BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "GET");
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
int totalCount = responseJSON.get("total_count").asInt();
List<BoxTaskAssignment.Info> assignments = new ArrayList<BoxTaskAssignment.Info>(totalCount);
JsonArray entries = responseJSON.get("entries").asArray();
for (JsonValue value : entries) {
JsonObject assignmentJSON = value.asObject();
BoxTaskAssignment assignment = new BoxTaskAssignment(this.getAPI(), assignmentJSON.get("id").asString());
BoxTaskAssignment.Info info = assignment.new Info(assignmentJSON);
assignments.add(info);
}
return assignments;
}
/**
* Gets an iterable of all the assignments of this task.
* @param fields the fields to retrieve.
* @return an iterable containing info about all the assignments.
*/
public Iterable<BoxTaskAssignment.Info> getAllAssignments(String ... fields) {
final QueryStringBuilder builder = new QueryStringBuilder();
if (fields.length > 0) {
builder.appendParam("fields", fields);
}
return new Iterable<BoxTaskAssignment.Info>() {
public Iterator<BoxTaskAssignment.Info> iterator() {
URL url = GET_ASSIGNMENTS_URL_TEMPLATE.buildWithQuery(
BoxTask.this.getAPI().getBaseURL(), builder.toString(), BoxTask.this.getID());
return new BoxTaskAssignmentIterator(BoxTask.this.getAPI(), url);
}
};
}
/**
* Gets information about this task.
* @return info about this task.
*/
public Info getInfo() {
URL url = TASK_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID());
BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "GET");
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
return new Info(responseJSON);
}
/**
* Gets information about this task.
* @param fields the fields to retrieve.
* @return info about this task.
*/
public Info getInfo(String... fields) {
QueryStringBuilder builder = new QueryStringBuilder();
if (fields.length > 0) {
builder.appendParam("fields", fields);
}
URL url = TASK_URL_TEMPLATE.buildWithQuery(this.getAPI().getBaseURL(), builder.toString(), this.getID());
BoxAPIRequest request = new BoxAPIRequest(this.getAPI(), url, "GET");
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject responseJSON = JsonObject.readFrom(response.getJSON());
return new Info(responseJSON);
}
/**
* Updates the information about this task with any info fields that have been modified locally.
*
* <p>The only fields that will be updated are the ones that have been modified locally. For example, the following
* code won't update any information (or even send a network request) since none of the info's fields were
* changed:</p>
*
* <pre>BoxTask task = new BoxTask(api, id);
*BoxTask.Info info = task.getInfo();
*task.updateInfo(info);</pre>
*
* @param info the updated info.
*/
public void updateInfo(BoxTask.Info info) {
URL url = TASK_URL_TEMPLATE.build(this.getAPI().getBaseURL(), this.getID());
BoxJSONRequest request = new BoxJSONRequest(this.getAPI(), url, "PUT");
request.setBody(info.getPendingChanges());
BoxJSONResponse response = (BoxJSONResponse) request.send();
JsonObject jsonObject = JsonObject.readFrom(response.getJSON());
info.update(jsonObject);
}
/**
* Contains information about a BoxTask.
*/
public class Info extends BoxResource.Info {
private BoxFile.Info item;
private Date dueAt;
private Action action;
private String message;
private List<BoxTaskAssignment.Info> taskAssignments;
private boolean completed;
private BoxUser.Info createdBy;
private Date createdAt;
/**
* Constructs an empty Info object.
*/
public Info() {
super();
}
/**
* Constructs an Info object by parsing information from a JSON string.
* @param json the JSON string to parse.
*/
public Info(String json) {
super(json);
}
/**
* Constructs an Info object using an already parsed JSON object.
* @param jsonObject the parsed JSON object.
*/
Info(JsonObject jsonObject) {
super(jsonObject);
}
@Override
public BoxTask getResource() {
return BoxTask.this;
}
/**
* Gets the file associated with this task.
* @return the file associated with this task.
*/
public BoxFile.Info getItem() {
return this.item;
}
/**
* Gets the date at which this task is due.
* @return the date at which this task is due.
*/
public Date getDueAt() {
return this.dueAt;
}
/**
* Sets the task's due date.
* @param dueAt the task's due date.
*/
public void setDueAt(Date dueAt) {
this.dueAt = dueAt;
this.addPendingChange("due_at", BoxDateFormat.format(dueAt));
}
/**
* Gets the action the task assignee will be prompted to do.
* @return the action the task assignee will be prompted to do.
*/
public Action getAction() {
return this.action;
}
/**
* Gets the message that will be included with this task.
* @return the message that will be included with this task.
*/
public String getMessage() {
return this.message;
}
/**
* Sets the task's message.
* @param message the task's new message.
*/
public void setMessage(String message) {
this.message = message;
this.addPendingChange("message", message);
}
/**
* Gets the collection of task assignments associated with this task.
* @return the collection of task assignments associated with this task.
*/
public List<BoxTaskAssignment.Info> getTaskAssignments() {
return this.taskAssignments;
}
/**
* Gets whether or not this task has been completed.
* @return whether or not this task has been completed.
*/
public boolean isCompleted() {
return this.completed;
}
/**
* Gets the user who created this task.
* @return the user who created this task.
*/
public BoxUser.Info getCreatedBy() {
return this.createdBy;
}
/**
* Gets when this task was created.
* @return when this task was created.
*/
public Date getCreatedAt() {
return this.createdAt;
}
@Override
void parseJSONMember(JsonObject.Member member) {
super.parseJSONMember(member);
String memberName = member.getName();
JsonValue value = member.getValue();
try {
if (memberName.equals("item")) {
JsonObject itemJSON = value.asObject();
String itemID = itemJSON.get("id").asString();
BoxFile file = new BoxFile(getAPI(), itemID);
this.item = file.new Info(itemJSON);
} else if (memberName.equals("due_at")) {
this.dueAt = BoxDateFormat.parse(value.asString());
} else if (memberName.equals("action")) {
this.action = Action.fromJSONString(value.asString());
} else if (memberName.equals("message")) {
this.message = value.asString();
} else if (memberName.equals("task_assignment_collection")) {
this.taskAssignments = this.parseTaskAssignmentCollection(value.asObject());
} else if (memberName.equals("is_completed")) {
this.completed = value.asBoolean();
} else if (memberName.equals("created_by")) {
JsonObject userJSON = value.asObject();
String userID = userJSON.get("id").asString();
BoxUser user = new BoxUser(getAPI(), userID);
this.createdBy = user.new Info(userJSON);
} else if (memberName.equals("created_at")) {
this.createdAt = BoxDateFormat.parse(value.asString());
}
} catch (ParseException e) {
assert false : "A ParseException indicates a bug in the SDK.";
}
}
private List<BoxTaskAssignment.Info> parseTaskAssignmentCollection(JsonObject jsonObject) {
int count = jsonObject.get("total_count").asInt();
List<BoxTaskAssignment.Info> taskAssignmentCollection = new ArrayList<BoxTaskAssignment.Info>(count);
JsonArray entries = jsonObject.get("entries").asArray();
for (JsonValue value : entries) {
JsonObject entry = value.asObject();
String id = entry.get("id").asString();
BoxTaskAssignment assignment = new BoxTaskAssignment(getAPI(), id);
taskAssignmentCollection.add(assignment.new Info(entry));
}
return taskAssignmentCollection;
}
}
/**
* Enumerates the possible actions that a task can have.
*/
public enum Action {
/**
* The task must be reviewed.
*/
REVIEW ("review");
private final String jsonValue;
private Action(String jsonValue) {
this.jsonValue = jsonValue;
}
static Action fromJSONString(String jsonValue) {
if (jsonValue.equals("review")) {
return REVIEW;
} else {
throw new IllegalArgumentException("The provided JSON value isn't a valid Action.");
}
}
String toJSONString() {
return this.jsonValue;
}
}
}