hydrus/hydrus/client/db/ClientDBNotesMap.py

136 lines
5.0 KiB
Python

import re
import sqlite3
import typing
from hydrus.core import HydrusConstants as HC
from hydrus.core import HydrusData
from hydrus.client.db import ClientDBMaster
from hydrus.client.db import ClientDBModule
from hydrus.client.db import ClientDBDefinitionsCache
class ClientDBNotesMap( ClientDBModule.ClientDBModule ):
def __init__( self, cursor: sqlite3.Cursor, modules_texts: ClientDBMaster.ClientDBMasterTexts ):
self.modules_texts = modules_texts
ClientDBModule.ClientDBModule.__init__( self, 'client notes mapping', cursor )
def _GetInitialIndexGenerationDict( self ) -> dict:
index_generation_dict = {}
index_generation_dict[ 'main.file_notes' ] = [
( [ 'note_id' ], False, 400 ),
( [ 'name_id' ], False, 400 )
]
return index_generation_dict
def _GetInitialTableGenerationDict( self ) -> dict:
return {
'main.file_notes' : ( 'CREATE TABLE IF NOT EXISTS {} ( hash_id INTEGER, name_id INTEGER, note_id INTEGER, PRIMARY KEY ( hash_id, name_id ) );', 400 )
}
def DeleteNote( self, hash_id: int, name: str ):
name_id = self.modules_texts.GetLabelId( name )
self._Execute( 'DELETE FROM file_notes WHERE hash_id = ? AND name_id = ?;', ( hash_id, name_id ) )
def GetHashIdsFromNoteName( self, name: str, hash_ids_table_name: str ):
label_id = self.modules_texts.GetLabelId( name )
# as note name is rare, we force this to run opposite to typical: notes to temp hashes
return self._STS( self._Execute( 'SELECT hash_id FROM file_notes CROSS JOIN {} USING ( hash_id ) WHERE name_id = ?;'.format( hash_ids_table_name ), ( label_id, ) ) )
def GetHashIdsFromNumNotes( self, min_num_notes: typing.Optional[ int ], max_num_notes: typing.Optional[ int ], hash_ids_table_name: str ):
has_notes = max_num_notes is None and min_num_notes == 1
not_has_notes = ( min_num_notes is None or min_num_notes == 0 ) and max_num_notes is not None and max_num_notes == 0
if has_notes or not_has_notes:
has_hash_ids = self._STS( self._Execute( 'SELECT hash_id FROM {} WHERE EXISTS ( SELECT 1 FROM file_notes WHERE file_notes.hash_id = {}.hash_id );'.format( hash_ids_table_name, hash_ids_table_name ) ) )
if has_notes:
hash_ids = has_hash_ids
else:
all_hash_ids = self._STS( self._Execute( 'SELECT hash_id FROM {};'.format( hash_ids_table_name ) ) )
hash_ids = all_hash_ids.difference( has_hash_ids )
else:
if min_num_notes is None:
filt = lambda c: c <= max_num_notes
elif max_num_notes is None:
filt = lambda c: min_num_notes <= c
else:
filt = lambda c: min_num_notes <= c <= max_num_notes
# temp hashes to notes
query = 'SELECT hash_id, COUNT( * ) FROM {} CROSS JOIN file_notes USING ( hash_id ) GROUP BY hash_id;'.format( hash_ids_table_name )
hash_ids = { hash_id for ( hash_id, count ) in self._Execute( query ) if filt( count ) }
return hash_ids
def GetHashIdsToNamesAndNotes( self, hash_ids_table_name: str ):
query = 'SELECT file_notes.hash_id, label, note FROM {} CROSS JOIN file_notes USING ( hash_id ), labels, notes ON ( file_notes.name_id = labels.label_id AND file_notes.note_id = notes.note_id );'.format( hash_ids_table_name )
hash_ids_to_names_and_notes = HydrusData.BuildKeyToListDict( ( ( hash_id, ( name, note ) ) for ( hash_id, name, note ) in self._Execute( query ) ) )
return hash_ids_to_names_and_notes
def GetTablesAndColumnsThatUseDefinitions( self, content_type: int ) -> typing.List[ typing.Tuple[ str, str ] ]:
# if content type is a domain, then give urls? bleh
tables_and_columns = []
if content_type == HC.CONTENT_TYPE_FILES:
tables_and_columns.append( ( 'main.file_notes', 'hash_id' ) )
return tables_and_columns
def SetNote( self, hash_id: int, name: str, note: str ):
name_id = self.modules_texts.GetLabelId( name )
self._Execute( 'DELETE FROM file_notes WHERE hash_id = ? AND name_id = ?;', ( hash_id, name_id ) )
if len( note ) > 0:
note_id = self.modules_texts.GetNoteId( note )
self._Execute( 'INSERT OR IGNORE INTO file_notes ( hash_id, name_id, note_id ) VALUES ( ?, ?, ? );', ( hash_id, name_id, note_id ) )