DataUtils.java

    /*
     * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *        http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    package net.micode.notes.tool;

    import android.content.ContentProviderOperation;
    import android.content.ContentProviderResult;
    import android.content.ContentResolver;
    import android.content.ContentUris;
    import android.content.ContentValues;
    import android.content.OperationApplicationException;
    import android.database.Cursor;
    import android.os.RemoteException;
    import android.util.Log;

    import net.micode.notes.data.Notes;
    import net.micode.notes.data.Notes.CallNote;
    import net.micode.notes.data.Notes.NoteColumns;
    import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;

    import java.util.ArrayList;
    import java.util.HashSet;

    public class DataUtils {
        public static final String TAG = "DataUtils";
        public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
            if (ids == null) {
                Log.d(TAG, "the ids is null");
                return true;
            }
            if (ids.size() == 0) {
                Log.d(TAG, "no id is in the hashset");
                return true;
            }

            ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
            for (long id : ids) {
                if(id == Notes.ID_ROOT_FOLDER) {
                    Log.e(TAG, "Don't delete system folder root");
                    continue;
                }
                ContentProviderOperation.Builder builder = ContentProviderOperation
                        .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
                operationList.add(builder.build());
            }
            try {
                ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
                if (results == null || results.length == 0 || results[0] == null) {
                    Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                    return false;
                }
                return true;
            } catch (RemoteException e) {
                Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
            } catch (OperationApplicationException e) {
                Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
            }
            return false;
        }

        public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
            ContentValues values = new ContentValues();
            values.put(NoteColumns.PARENT_ID, desFolderId);
            values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
            values.put(NoteColumns.LOCAL_MODIFIED, 1);
            resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
        }

        public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
                long folderId) {
            if (ids == null) {
                Log.d(TAG, "the ids is null");
                return true;
            }

            ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
            for (long id : ids) {
                ContentProviderOperation.Builder builder = ContentProviderOperation
                        .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
                builder.withValue(NoteColumns.PARENT_ID, folderId);
                builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
                operationList.add(builder.build());
            }

            try {
                ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
                if (results == null || results.length == 0 || results[0] == null) {
                    Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                    return false;
                }
                return true;
            } catch (RemoteException e) {
                Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
            } catch (OperationApplicationException e) {
                Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
            }
            return false;
        }

        /**
         * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
         */
        public static int getUserFolderCount(ContentResolver resolver) {
            Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
                    new String[] { "COUNT(*)" },
                    NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
                    new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
                    null);

            int count = 0;
            if(cursor != null) {
                if(cursor.moveToFirst()) {
                    try {
                        count = cursor.getInt(0);
                    } catch (IndexOutOfBoundsException e) {
                        Log.e(TAG, "get folder count failed:" + e.toString());
                    } finally {
                        cursor.close();
                    }
                }
            }
            return count;
        }

        public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
            Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                    null,
                    NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
                    new String [] {String.valueOf(type)},
                    null);

            boolean exist = false;
            if (cursor != null) {
                if (cursor.getCount() > 0) {
                    exist = true;
                }
                cursor.close();
            }
            return exist;
        }

        public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
            Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                    null, null, null, null);

            boolean exist = false;
            if (cursor != null) {
                if (cursor.getCount() > 0) {
                    exist = true;
                }
                cursor.close();
            }
            return exist;
        }

        public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
            Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
                    null, null, null, null);

            boolean exist = false;
            if (cursor != null) {
                if (cursor.getCount() > 0) {
                    exist = true;
                }
                cursor.close();
            }
            return exist;
        }

        public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
            Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
                    NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
                    " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
                    " AND " + NoteColumns.SNIPPET + "=?",
                    new String[] { name }, null);
            boolean exist = false;
            if(cursor != null) {
                if(cursor.getCount() > 0) {
                    exist = true;
                }
                cursor.close();
            }
            return exist;
        }

        public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
            Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
                    new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
                    NoteColumns.PARENT_ID + "=?",
                    new String[] { String.valueOf(folderId) },
                    null);

            HashSet<AppWidgetAttribute> set = null;
            if (c != null) {
                if (c.moveToFirst()) {
                    set = new HashSet<AppWidgetAttribute>();
                    do {
                        try {
                            AppWidgetAttribute widget = new AppWidgetAttribute();
                            widget.widgetId = c.getInt(0);
                            widget.widgetType = c.getInt(1);
                            set.add(widget);
                        } catch (IndexOutOfBoundsException e) {
                            Log.e(TAG, e.toString());
                        }
                    } while (c.moveToNext());
                }
                c.close();
            }
            return set;
        }

        public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
            Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                    new String [] { CallNote.PHONE_NUMBER },
                    CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
                    new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
                    null);

            if (cursor != null && cursor.moveToFirst()) {
                try {
                    return cursor.getString(0);
                } catch (IndexOutOfBoundsException e) {
                    Log.e(TAG, "Get call number fails " + e.toString());
                } finally {
                    cursor.close();
                }
            }
            return "";
        }

        public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
            Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                    new String [] { CallNote.NOTE_ID },
                    CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
                    + CallNote.PHONE_NUMBER + ",?)",
                    new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
                    null);

            if (cursor != null) {
                if (cursor.moveToFirst()) {
                    try {
                        return cursor.getLong(0);
                    } catch (IndexOutOfBoundsException e) {
                        Log.e(TAG, "Get call note id fails " + e.toString());
                    }
                }
                cursor.close();
            }
            return 0;
        }

        public static String getSnippetById(ContentResolver resolver, long noteId) {
            Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
                    new String [] { NoteColumns.SNIPPET },
                    NoteColumns.ID + "=?",
                    new String [] { String.valueOf(noteId)},
                    null);

            if (cursor != null) {
                String snippet = "";
                if (cursor.moveToFirst()) {
                    snippet = cursor.getString(0);
                }
                cursor.close();
                return snippet;
            }
            throw new IllegalArgumentException("Note is not found with id: " + noteId);
        }

        public static String getFormattedSnippet(String snippet) {
            if (snippet != null) {
                snippet = snippet.trim();
                int index = snippet.indexOf('\n');
                if (index != -1) {
                    snippet = snippet.substring(0, index);
                }
            }
            return snippet;
        }
    }