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363 lines
11 KiB
Java
363 lines
11 KiB
Java
package com.todoroo.astrid.service;
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import java.util.ArrayList;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.weloveastrid.rmilk.data.MilkTaskFields;
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import ru.otdelit.astrid.opencrx.OpencrxCoreUtils;
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import android.content.ContentValues;
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import com.todoroo.andlib.data.Property;
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import com.todoroo.andlib.data.TodorooCursor;
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import com.todoroo.andlib.service.Autowired;
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import com.todoroo.andlib.service.DependencyInjectionService;
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import com.todoroo.andlib.sql.Criterion;
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import com.todoroo.andlib.sql.Functions;
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import com.todoroo.andlib.sql.Query;
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import com.todoroo.andlib.utility.DateUtilities;
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import com.todoroo.astrid.api.Filter;
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import com.todoroo.astrid.api.PermaSql;
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import com.todoroo.astrid.dao.MetadataDao;
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import com.todoroo.astrid.dao.TaskDao;
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import com.todoroo.astrid.dao.MetadataDao.MetadataCriteria;
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import com.todoroo.astrid.dao.TaskDao.TaskCriteria;
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import com.todoroo.astrid.data.Metadata;
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import com.todoroo.astrid.data.Task;
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import com.todoroo.astrid.gtasks.GtasksMetadata;
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import com.todoroo.astrid.producteev.ProducteevUtilities;
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import com.todoroo.astrid.producteev.sync.ProducteevTask;
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import com.todoroo.astrid.tags.TagService;
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/**
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* Service layer for {@link Task}-centered activities.
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*
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* @author Tim Su <tim@todoroo.com>
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*
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*/
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public class TaskService {
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@Autowired
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private TaskDao taskDao;
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@Autowired
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private MetadataDao metadataDao;
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public TaskService() {
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DependencyInjectionService.getInstance().inject(this);
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}
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// --- service layer
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/**
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* Query underlying database
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* @param query
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* @return
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*/
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public TodorooCursor<Task> query(Query query) {
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return taskDao.query(query);
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}
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/**
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*
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* @param properties
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* @param id id
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* @return item, or null if it doesn't exist
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*/
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public Task fetchById(long id, Property<?>... properties) {
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return taskDao.fetch(id, properties);
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}
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/**
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* Mark the given task as completed and save it.
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*
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* @param item
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*/
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public void setComplete(Task item, boolean completed) {
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if(completed)
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item.setValue(Task.COMPLETION_DATE, DateUtilities.now());
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else
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item.setValue(Task.COMPLETION_DATE, 0L);
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taskDao.save(item);
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}
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/**
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* Create or save the given action item
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*
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* @param item
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* @param skipHooks
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* Whether pre and post hooks should run. This should be set
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* to true if tasks are created as part of synchronization
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*/
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public boolean save(Task item) {
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return taskDao.save(item);
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}
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/**
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* Clone the given task and all its metadata
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*
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* @param the old task
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* @return the new task
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*/
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public Task clone(Task task) {
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Task newTask = fetchById(task.getId(), Task.PROPERTIES);
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if(newTask == null)
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return new Task();
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newTask.clearValue(Task.ID);
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taskDao.createNew(newTask);
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TodorooCursor<Metadata> cursor = metadataDao.query(
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Query.select(Metadata.PROPERTIES).where(MetadataCriteria.byTask(task.getId())));
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try {
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if(cursor.getCount() > 0) {
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Metadata metadata = new Metadata();
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long newId = newTask.getId();
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for(cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
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metadata.readFromCursor(cursor);
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// don't clone sync metadata
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if(GtasksMetadata.METADATA_KEY.equals(metadata.getValue(Metadata.KEY)))
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continue;
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if(ProducteevTask.METADATA_KEY.equals(metadata.getValue(Metadata.KEY)))
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continue;
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if(MilkTaskFields.METADATA_KEY.equals(metadata.getValue(Metadata.KEY)))
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continue;
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if(OpencrxCoreUtils.OPENCRX_ACTIVITY_METADATA_KEY.equals(metadata.getValue(Metadata.KEY)))
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continue;
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metadata.setValue(Metadata.TASK, newId);
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metadata.clearValue(Metadata.ID);
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metadataDao.createNew(metadata);
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}
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}
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} finally {
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cursor.close();
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}
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return newTask;
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}
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/**
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* Delete the given task. Instead of deleting from the database, we set
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* the deleted flag.
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*
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* @param model
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*/
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public void delete(Task item) {
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if(!item.isSaved())
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return;
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else if(item.containsValue(Task.TITLE) && item.getValue(Task.TITLE).length() == 0) {
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taskDao.delete(item.getId());
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item.setId(Task.NO_ID);
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} else {
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long id = item.getId();
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item.clear();
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item.setId(id);
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item.setValue(Task.DELETION_DATE, DateUtilities.now());
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taskDao.save(item);
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}
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}
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/**
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* Permanently delete the given task.
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*
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* @param model
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*/
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public void purge(long taskId) {
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taskDao.delete(taskId);
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}
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/**
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* Clean up tasks. Typically called on startup
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*/
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public void cleanup() {
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TodorooCursor<Task> cursor = taskDao.query(
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Query.select(Task.ID).where(TaskCriteria.hasNoTitle()));
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try {
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if(cursor.getCount() == 0)
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return;
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for(cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
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long id = cursor.getLong(0);
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taskDao.delete(id);
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}
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} finally {
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cursor.close();
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}
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}
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/**
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* Fetch tasks for the given filter
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* @param properties
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* @param constraint text constraint, or null
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* @param filter
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* @return
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*/
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@SuppressWarnings("nls")
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public TodorooCursor<Task> fetchFiltered(String queryTemplate, CharSequence constraint,
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Property<?>... properties) {
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Criterion whereConstraint = null;
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if(constraint != null)
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whereConstraint = Functions.upper(Task.TITLE).like("%" +
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constraint.toString().toUpperCase() + "%");
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if(queryTemplate == null) {
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if(whereConstraint == null)
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return taskDao.query(Query.select(properties));
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else
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return taskDao.query(Query.select(properties).where(whereConstraint));
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}
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String sql;
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if(whereConstraint != null) {
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if(!queryTemplate.toUpperCase().contains("WHERE"))
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sql = queryTemplate + " WHERE " + whereConstraint;
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else
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sql = queryTemplate.replace("WHERE ", "WHERE " + whereConstraint + " AND ");
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} else
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sql = queryTemplate;
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sql = PermaSql.replacePlaceholders(sql);
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return taskDao.query(Query.select(properties).withQueryTemplate(sql));
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}
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/**
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* @param query
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* @return how many tasks are matched by this query
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*/
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public int count(Query query) {
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TodorooCursor<Task> cursor = taskDao.query(query);
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try {
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return cursor.getCount();
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} finally {
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cursor.close();
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}
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}
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/**
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* Clear details cache. Useful if user performs some operation that
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* affects details
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* @param criterion
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*
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* @return # of affected rows
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*/
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public int clearDetails(Criterion criterion) {
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ContentValues values = new ContentValues();
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values.put(Task.DETAILS.name, (String) null);
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return taskDao.updateMultiple(values, criterion);
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}
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/**
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* Update database based on selection and values
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* @param selection
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* @param selectionArgs
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* @param setValues
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* @return
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*/
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public int updateBySelection(String selection, String[] selectionArgs,
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Task taskValues) {
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TodorooCursor<Task> cursor = taskDao.rawQuery(selection, selectionArgs, Task.ID);
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try {
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for(cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
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taskValues.setValue(Task.ID, cursor.get(Task.ID));
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taskDao.save(taskValues);
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}
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return cursor.getCount();
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} finally {
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cursor.close();
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}
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}
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/**
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* Count tasks overall
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* @param filter
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* @return
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*/
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public int countTasks() {
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TodorooCursor<Task> cursor = query(Query.select(Task.ID));
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try {
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return cursor.getCount();
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} finally {
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cursor.close();
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}
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}
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/** count tasks in a given filter */
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public int countTasks(Filter filter) {
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String queryTemplate = PermaSql.replacePlaceholders(filter.sqlQuery);
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TodorooCursor<Task> cursor = query(Query.select(Task.ID).withQueryTemplate(
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queryTemplate));
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try {
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return cursor.getCount();
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} finally {
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cursor.close();
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}
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}
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/**
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* Delete all tasks matching a given criterion
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* @param all
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*/
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public void deleteWhere(Criterion criteria) {
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taskDao.deleteWhere(criteria);
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}
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/**
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* Save task, parsing quick-add mark-up:
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* <ul>
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* <li>#tag - add the tag "tag"
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* <li>@context - add the tag "@context"
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* <li>!4 - set priority to !!!!
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*/
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public void quickAdd(Task task) {
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ArrayList<String> tags = new ArrayList<String>();
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parseQuickAddMarkup(task, tags);
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save(task);
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Metadata metadata = new Metadata();
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for(String tag : tags) {
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metadata.setValue(Metadata.KEY, TagService.KEY);
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metadata.setValue(Metadata.TASK, task.getId());
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metadata.setValue(TagService.TAG, tag);
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metadataDao.createNew(metadata);
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}
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}
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@SuppressWarnings("nls")
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public static void parseQuickAddMarkup(Task task, ArrayList<String> tags) {
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String title = task.getValue(Task.TITLE);
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Pattern tagPattern = Pattern.compile("(\\s|^)#([^\\s]+)");
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Pattern contextPattern = Pattern.compile("(\\s|^)(@[^\\s]+)");
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Pattern importancePattern = Pattern.compile("(\\s|^)!(\\d)(\\s|$)");
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while(true) {
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Matcher m = tagPattern.matcher(title);
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if(m.find()) {
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tags.add(m.group(2));
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} else {
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m = contextPattern.matcher(title);
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if(m.find()) {
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tags.add(m.group(2));
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} else {
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m = importancePattern.matcher(title);
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if(m.find()) {
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int value = Integer.parseInt(m.group(2));
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// not in producteev world: !1 to !4 => importance 3 to 0
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int importance = Math.max(Task.IMPORTANCE_MOST, Task.IMPORTANCE_LEAST + 1 - value);
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// in the producteev world, !1 to !4 => importance 4 to 1
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if(ProducteevUtilities.INSTANCE.isLoggedIn() || OpencrxCoreUtils.INSTANCE.isLoggedIn())
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importance++;
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task.setValue(Task.IMPORTANCE, importance);
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} else
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break;
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}
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}
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title = title.substring(0, m.start()) + title.substring(m.end());
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}
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task.setValue(Task.TITLE, title.trim());
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}
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}
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