ContactsManager.java :  » UnTagged » a-sms-replier » cn » edu » hit » voidmain » asmsreplier » contacts » Android Open Source

package cn.edu.hit.voidmain.asmsreplier.contacts;

import java.util.ArrayList;
import java.util.List;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import cn.edu.hit.voidmain.asmsreplier.contacts.phonecontacts.ContactHelper;
import cn.edu.hit.voidmain.asmsreplier.contacts.phonecontacts.entity.ContactInfo;
import cn.edu.hit.voidmain.asmsreplier.provider.ContactInfoTableMetaData;

/**
 * ContactsManager
 * this manager manipulates the content provider
 * it also uses ContactHelper as a util
 * ContactHelper is a wrapper class for contacts in the phone
 * @author voidmain
 *
 */
public class ContactsManager {
  private Context context;
  private ContactHelper contactHelper;
  
  public ContactsManager(Context context)
  {
    this.context = context;
    contactHelper = new ContactHelper(context);
  }
  
  public boolean isContactChecked(String number)
  {
    int contactID = contactHelper.getContactIdByNumber(number);
    return isContactChecked(contactID, number);
  }
  
  /**
   * Checks if the contact is checked by user, which means we should auto-reply to that
   * @param contactID
   * @param number
   * @return
   */
  public boolean isContactChecked(int contactID, String number)
  {
    boolean shouldReply = false;
    String[] projection = new String[]{
        ContactInfoTableMetaData.SHOULD_REPLY 
    };
    Cursor cur = context.getContentResolver().query(ContactInfoTableMetaData.CONTENT_URI, 
        projection, 
        // this is a bug by Android
        // we can not use '%?%' in 'like' statement
        // I have to put number in the where statement
        "contactId=? AND contactNumber like '%" + number + "'", 
        new String[] {"" + contactID}, 
        null);
    
    int replyIdx = cur.getColumnIndexOrThrow(ContactInfoTableMetaData.SHOULD_REPLY);
    
    if(cur.moveToFirst())
    {
      do
      {
        shouldReply = Integer.valueOf(cur.getInt(replyIdx)) != 0;
      }
      while(cur.moveToNext());
    }
    
    cur.close();
    
    return shouldReply;
  }
  
  public List<ContactInfo> getAllContactInfo()
  {
    /*
    List<ContactInfo> contacts = contactHelper.getContactInfo();
    dbHelper.fillCheck(contacts);
    return contacts;
    */
    String[] projection = new String[]{
        ContactInfoTableMetaData.CONTACT_ID, 
        ContactInfoTableMetaData.CONTACT_NAME, 
        ContactInfoTableMetaData.CONTACT_NUMBER, 
        ContactInfoTableMetaData.SHOULD_REPLY 
    };
    
    List<ContactInfo> contacts = new ArrayList<ContactInfo>();
    Cursor cur = context.getContentResolver().query(ContactInfoTableMetaData.CONTENT_URI, projection, null, null, null);
    
    // idx
    int idIdx = cur.getColumnIndexOrThrow(ContactInfoTableMetaData.CONTACT_ID);
    int nameIdx = cur.getColumnIndexOrThrow(ContactInfoTableMetaData.CONTACT_NAME);
    int numberIdx = cur.getColumnIndexOrThrow(ContactInfoTableMetaData.CONTACT_NUMBER);
    int replyIdx = cur.getColumnIndexOrThrow(ContactInfoTableMetaData.SHOULD_REPLY);
    
    if(cur.moveToFirst())
    {
      do
      {
        ContactInfo info = new ContactInfo();
        info.setContactID(cur.getInt(idIdx));
        info.setContactName(cur.getString(nameIdx));
        info.setNumber(cur.getString(numberIdx));
        info.setChecked(Integer.valueOf(cur.getInt(replyIdx)) != 0);
        contacts.add(info);
      }
      while(cur.moveToNext());
    }
    
    cur.close();
    
    return contacts;
  }
  
  public void updateContactInfo()
  {
    // Only loads the contact information for the first time
    // after that, the contact information is updated by ContactObserver
    String[] projection = new String[]{
        ContactInfoTableMetaData.CONTACT_ID, 
    };
    
    Cursor cur = context.getContentResolver().query(ContactInfoTableMetaData.CONTENT_URI, projection, null, null, null);
    if(cur.getCount() == 0)
    {
      List<ContactInfo> contactList = contactHelper.getContactInfo();
      for(ContactInfo id : contactList)
      {
        ContentValues values = new ContentValues();
        values.put(ContactInfoTableMetaData.CONTACT_ID, id.getContactID());
        values.put(ContactInfoTableMetaData.CONTACT_NAME, id.getContactName());
        values.put(ContactInfoTableMetaData.CONTACT_NUMBER, id.getNumber());
        
        context.getContentResolver().insert(ContactInfoTableMetaData.CONTENT_URI, values);
      }
    }
    
    cur.close();
  }
  
  public void checkContact(String id, String contactName, String contactNumber)
  {
    ContentValues values = new ContentValues();
    values.put(ContactInfoTableMetaData.SHOULD_REPLY, 1);
    
    context.getContentResolver().update(ContactInfoTableMetaData.CONTENT_URI, 
        values, 
        "contactId=? AND contactName=? AND contactNumber=?", 
        new String[]{
        id,
        contactName, 
        contactNumber
    });
  }
}