|
|
package net.micode.notes.gtask.data;
|
|
|
|
|
|
import android.database.Cursor;
|
|
|
import android.text.TextUtils;
|
|
|
import android.util.Log;
|
|
|
|
|
|
import net.micode.notes.data.Notes;
|
|
|
import net.micode.notes.data.Notes.DataColumns;
|
|
|
import net.micode.notes.data.Notes.DataConstants;
|
|
|
import net.micode.notes.data.Notes.NoteColumns;
|
|
|
import net.micode.notes.gtask.exception.ActionFailureException;
|
|
|
import net.micode.notes.tool.GTaskStringUtils;
|
|
|
|
|
|
import org.json.JSONArray;
|
|
|
import org.json.JSONException;
|
|
|
import org.json.JSONObject;
|
|
|
//创建Task类（继承父类Node）
|
|
|
public class Task extends Node {
|
|
|
//通过getSimpleName（）获得类名
|
|
|
private static final String TAG = Task.class.getSimpleName();
|
|
|
|
|
|
private boolean mCompleted;
|
|
|
//是否完成
|
|
|
|
|
|
private String mNotes;
|
|
|
|
|
|
private JSONObject mMetaInfo;
|
|
|
//将在实例中存储数据的类型
|
|
|
|
|
|
private Task mPriorSibling;
|
|
|
//对应的优先兄弟Task的指针
|
|
|
|
|
|
private TaskList mParent;
|
|
|
//所在的任务列表的指针
|
|
|
|
|
|
public Task() {
|
|
|
//调用父类的构造方法
|
|
|
super();
|
|
|
mCompleted = false;
|
|
|
mNotes = null;
|
|
|
mPriorSibling = null;//TaskList中当前Task前面的Task的指针
|
|
|
mParent = null;//当前Task所在的TaskList
|
|
|
mMetaInfo = null;
|
|
|
}
|
|
|
|
|
|
public JSONObject getCreateAction(int actionId) {
|
|
|
//新建一个 JSONObject 的对象用来存放同步过程中所用到的 task 信息
|
|
|
JSONObject js = new JSONObject();
|
|
|
|
|
|
try {
|
|
|
// action_type
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
|
|
|
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
|
|
|
//共享数据存入动作类型action_ type,以下同类
|
|
|
|
|
|
// action_id
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
|
|
|
|
|
|
// index
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
|
|
|
|
|
|
// 创建实体数据并将name，创建者id，实体类型存入数据
|
|
|
JSONObject entity = new JSONObject();
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
|
|
|
GTaskStringUtils.GTASK_JSON_TYPE_TASK);
|
|
|
//如果存在Note，也将其放入entity
|
|
|
if (getNotes() != null) {
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
|
|
|
}
|
|
|
//实体存入js
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
|
|
|
|
|
|
// parent_id
|
|
|
if (mParent!= null) {
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
|
|
|
}
|
|
|
|
|
|
// dest_parent_type
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
|
|
|
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
|
|
|
|
|
|
// list_id
|
|
|
if (mParent!= null) {
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
|
|
|
}
|
|
|
|
|
|
// prior_sibling_id
|
|
|
if (mPriorSibling != null) {
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
|
|
|
}
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
//异常处理，当create task'失败时
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
throw new ActionFailureException("fail to generate task-create jsonobject");
|
|
|
}
|
|
|
|
|
|
return js;
|
|
|
}
|
|
|
|
|
|
public JSONObject getUpdateAction(int actionId) {
|
|
|
//此函数和上一个getCreatAction（）的功能差不多，一个是creat，一个updata，都是对action进行操作
|
|
|
JSONObject js = new JSONObject();
|
|
|
|
|
|
try {
|
|
|
// action_type
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
|
|
|
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
|
|
|
|
|
|
// action_id
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
|
|
|
|
|
|
// id
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
|
|
|
|
|
|
// entity_delta
|
|
|
JSONObject entity = new JSONObject();
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
|
|
|
if (getNotes() != null) {
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
|
|
|
}
|
|
|
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
|
|
|
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
throw new ActionFailureException("fail to generate task-update jsonobject");
|
|
|
}
|
|
|
|
|
|
return js;
|
|
|
}
|
|
|
|
|
|
public void setContentByRemoteJSON(JSONObject js) {
|
|
|
//通过远端的jsonobject获取任务内容,如果有相应的数据，就设置NOTE中的值
|
|
|
if (js != null) {
|
|
|
try {
|
|
|
// id
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
|
|
|
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
|
|
|
}
|
|
|
|
|
|
// last_modified
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
|
|
|
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
|
|
|
}
|
|
|
|
|
|
// name
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
|
|
|
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
|
|
|
}
|
|
|
|
|
|
// notes
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
|
|
|
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
|
|
|
}
|
|
|
|
|
|
// deleted
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
|
|
|
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
|
|
|
}
|
|
|
|
|
|
// completed
|
|
|
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
|
|
|
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
|
|
|
}
|
|
|
} catch (JSONException e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
throw new ActionFailureException("fail to get task content from jsonobject");
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void setContentByLocalJSON(JSONObject js) {
|
|
|
////通过本地的jsonobject获取任务内容,如果有相应的数据，就设置NOTE中的值
|
|
|
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|
|
|
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
|
|
|
//如果js不存在或者js没有元数据的开头或者js指针没有元数据
|
|
|
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
|
|
|
}
|
|
|
|
|
|
try {
|
|
|
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
|
|
|
|
|
|
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
|
|
|
Log.e(TAG, "invalid type");
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
for (int i = 0; i < dataArray.length(); i++) {
|
|
|
JSONObject data = dataArray.getJSONObject(i);
|
|
|
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
|
|
|
//遍历 dataArray 查找与数据库中DataConstants.NOTE 记录信息一致的 data
|
|
|
setName(data.getString(DataColumns.CONTENT));
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public JSONObject getLocalJSONFromContent() {
|
|
|
//通过内容更新本地的jsonobject
|
|
|
String name = getName();
|
|
|
try {
|
|
|
if (mMetaInfo == null) {
|
|
|
//元数据类型信息为空，若名字也为空则新建一个 JSONObject 对象并将其返回
|
|
|
if (name == null) {
|
|
|
Log.w(TAG, "the note seems to be an empty one");
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
JSONObject js = new JSONObject();
|
|
|
JSONObject note = new JSONObject();
|
|
|
JSONArray dataArray = new JSONArray();
|
|
|
JSONObject data = new JSONObject();
|
|
|
data.put(DataColumns.CONTENT, name);
|
|
|
dataArray.put(data);
|
|
|
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
|
|
|
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
|
|
|
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
|
|
|
return js;
|
|
|
} else {
|
|
|
// 否则将元数据同步至数据中
|
|
|
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
|
|
|
|
|
|
for (int i = 0; i < dataArray.length(); i++) {
|
|
|
JSONObject data = dataArray.getJSONObject(i);
|
|
|
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
|
|
|
data.put(DataColumns.CONTENT, getName());
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
|
|
|
return mMetaInfo;
|
|
|
}
|
|
|
} catch (JSONException e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
return null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void setMetaInfo(MetaData metaData) {
|
|
|
//设置元数据信息
|
|
|
if (metaData != null && metaData.getNotes() != null) {
|
|
|
try {
|
|
|
mMetaInfo = new JSONObject(metaData.getNotes());
|
|
|
} catch (JSONException e) {
|
|
|
Log.w(TAG, e.toString());
|
|
|
mMetaInfo = null;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public int getSyncAction(Cursor c) {
|
|
|
// 异常处理，进行同步操作，如果不成功按照对应的情况进行异常信息的反馈，比如远端文档被删除、文档不匹配等等
|
|
|
try {
|
|
|
JSONObject noteInfo = null;
|
|
|
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
|
|
|
//元数据信息不为空并且元数据信息还含有“META_HEAD_NOTE”，说明便签存在
|
|
|
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
}
|
|
|
|
|
|
if (noteInfo == null) {
|
|
|
//数据未写入时写入日志
|
|
|
Log.w(TAG, "it seems that note meta has been deleted");
|
|
|
return SYNC_ACTION_UPDATE_REMOTE;
|
|
|
}
|
|
|
//如果没有ID
|
|
|
if (!noteInfo.has(NoteColumns.ID)) {
|
|
|
Log.w(TAG, "remote note id seems to be deleted");
|
|
|
return SYNC_ACTION_UPDATE_LOCAL;
|
|
|
}
|
|
|
|
|
|
// 如果是无效ID
|
|
|
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
|
|
|
Log.w(TAG, "note id doesn't match");
|
|
|
return SYNC_ACTION_UPDATE_LOCAL;
|
|
|
}
|
|
|
|
|
|
//
|
|
|
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
|
|
|
// there is no local update
|
|
|
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
|
|
|
// no update both side
|
|
|
return SYNC_ACTION_NONE;
|
|
|
} else {
|
|
|
// apply remote to local
|
|
|
return SYNC_ACTION_UPDATE_LOCAL;
|
|
|
}
|
|
|
} else {
|
|
|
// validate gtask id
|
|
|
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
|
|
|
Log.e(TAG, "gtask id doesn't match");
|
|
|
return SYNC_ACTION_ERROR;
|
|
|
}
|
|
|
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
|
|
|
// local modification only
|
|
|
return SYNC_ACTION_UPDATE_REMOTE;
|
|
|
} else {
|
|
|
return SYNC_ACTION_UPDATE_CONFLICT;
|
|
|
}
|
|
|
}
|
|
|
} catch (Exception e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
|
|
|
return SYNC_ACTION_ERROR;
|
|
|
}
|
|
|
|
|
|
public boolean isWorthSaving() {
|
|
|
//判断是否值得存放，即当前数据是否有效，若数据非空 或 名字合法存在且去除空格后的名字长度大于零则返回真值。
|
|
|
//其中 trim() 的作用是去除字符串前后的空格：public String trim()返回字符串的副本，忽略前导空白和尾部空白
|
|
|
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
|
|
|
|| (getNotes() != null && getNotes().trim().length() > 0);
|
|
|
}
|
|
|
|
|
|
public void setCompleted(boolean completed) {
|
|
|
this.mCompleted = completed;
|
|
|
}
|
|
|
//设定是否完成的成员变量
|
|
|
|
|
|
public void setNotes(String notes) {
|
|
|
this.mNotes = notes;
|
|
|
}
|
|
|
//设定是note成员变量
|
|
|
|
|
|
public void setPriorSibling(Task priorSibling) {
|
|
|
this.mPriorSibling = priorSibling;
|
|
|
}
|
|
|
//.设置优先兄弟 task 的优先级
|
|
|
|
|
|
public void setParent(TaskList parent) {
|
|
|
this.mParent = parent;
|
|
|
}
|
|
|
//设置父节点列表
|
|
|
|
|
|
public boolean getCompleted() {
|
|
|
return this.mCompleted;
|
|
|
}
|
|
|
//获取 task 是否修改完毕的记录
|
|
|
|
|
|
public String getNotes() {
|
|
|
//获取成员变量 mNotes 的信息
|
|
|
return this.mNotes;
|
|
|
}
|
|
|
|
|
|
public Task getPriorSibling() {
|
|
|
return this.mPriorSibling;
|
|
|
}
|
|
|
//获取优先兄弟 task
|
|
|
|
|
|
public TaskList getParent() {
|
|
|
return this.mParent;
|
|
|
}
|
|
|
//获取父节点列表
|
|
|
|
|
|
} |
