+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+
import os
import sqlite3
+from meabook.constants import *
DATABASE_NAME = 'contacts.db'
-TOPLEVEL_FIELD = 'o'
-MIDDLELEVEL_FIELD = 'ou'
-LOWLEVEL_FIELD = 'cn'
-
SCHEMA = """
begin;
field_id text,
value text
);
+ create index i_data on data (id);
create table fields(
id integer primary key,
name text
);
+ create index i_fields on fields (id);
create table relation(
data_id integer,
struct_id integer
);
+ create index i_relation_data on relation(data_id);
create table struct(
id integer primary key,
name text,
parent integer
);
-
- commit;
-
- create index i_fields on fields (id);
- create index i_data on data (id);
- create index i_struct on struct(parent);
- create index i_relation on relation(data_id);
-
+ create index i_struct_id on struct(parent);
commit;
"""
if not os.path.exists(self._path):
self.new()
else:
- self.conn = sqlite3.connect(self._path)
+ self.connect()
+
+ def connect(self):
+ """Connects to database."""
+
+ self.conn = sqlite3.connect(self._path, isolation_level="EXCLUSIVE")
def new(self):
"""Creates new databse."""
- self.conn = sqlite3.connect(self._path)
+ self.connect()
self.conn.executescript(SCHEMA)
- self.conn.commit()
def close(self):
"""Closes connection with database."""
- self.conn.commit()
self.conn.close()
def save(self):
def get_fields(self):
"""Returns all fields from FIELDS table."""
- return [item[0] for item in self.conn.execute( \
- "SELECT name FROM fields").fetchall()]
+ return [item[0] for item in self.conn.execute("SELECT name FROM \
+ fields").fetchall() if item[0]!='image']
# operations with DATA table
def add_entry(self, entry):
for field, values in entry.items():
# update FIELDS table
- field_id = execute("SELECT id, name FROM fields WHERE name=?", \
+ field_id = execute("SELECT id FROM fields WHERE name=?", \
(field,)).fetchone()
if field_id is None:
execute("INSERT INTO fields values(NULL, ?)", (field,))
(_id, field_id, value))
# update STRUCT table
- name = entry[TOPLEVEL_FIELD][0]
+ name = entry[FIELD_TOPLEVEL][0]
parent_id = execute("SELECT id FROM struct WHERE name=? ", \
(name,)).fetchone()
- if parent_id is None: # update STRUCT table (TOPLEVEL_FIELD)
+ if parent_id is None: # update STRUCT table (FIELD_TOPLEVEL)
execute("INSERT INTO struct values(NULL,?,0)", (name,))
parent_id = execute("SELECT last_insert_rowid()").fetchone()[0]
else:
parent_id = parent_id[0]
- name = entry[MIDDLELEVEL_FIELD][0]
+ name = entry[FIELD_MIDDLELEVEL][0]
child_id = execute("SELECT id FROM struct WHERE name=? AND parent=?", \
(name, parent_id)).fetchone()
- if child_id is None: # update STRUCT table (MIDDLELEVEL_FIELD)
+ if child_id is None: # update STRUCT table (FIELD_MIDDLELEVEL)
execute("INSERT INTO struct values(NULL,?,?)", (name, parent_id))
child_id = execute("SELECT last_insert_rowid()").fetchone()[0]
else:
# update RELATION table
execute("INSERT INTO relation values(?,?)", (_id, child_id))
- def get_entry(self, value):
- """Gets full entry imformation from DATA table."""
-
- _id = self.conn.execute("SELECT id FROM data WHERE value=?", \
- (value,)).fetchone()[0]
- return dict([(key, value) for key, value in self.conn.execute("\
- SELECT field_id, value FROM data WHERE id=?", (_id,)).fetchall()])
-
def get_folders(self, parent=None):
"""
Returns list of all folders (items with folders and files)
WHERE parent=? ORDER BY name ASC", (parent,)).fetchall()
def get_files(self, fields, parent=0):
+ """Finds all files with selected parent"""
+
+ items_dict = {}
+ execute = self.conn.execute
+ fields = dict(execute("SELECT id, name FROM fields WHERE name IN (%s)" \
+ % ','.join('%r' % (field,) for field in fields)).fetchall())
+ """
+ query = "SELECT id, field_id, value FROM data \
+ left join relation on relation.data_id=data.id \
+ where relation.struct_id=? and field_id in (%s)"
+ """
+ query = "SELECT id, field_id, value FROM data \
+ WHERE id IN (SELECT data_id FROM relation WHERE struct_id=?) \
+ AND field_id IN (%s)"
+ data = execute(query % ','.join('%r' % f for f in fields.keys()), \
+ (parent,)).fetchall()
+ for data_id, field_id, value in data:
+ if not items_dict.has_key(data_id):
+ items_dict[data_id] = {}
+ items_dict[data_id][fields[int(field_id)]] = value
+ return items_dict
+
+ def get_files_by_pattern(self, fields, key='cn', pattern='', \
+ search_from_start=False):
"""Returns list of all files from DATA table."""
items_dict = {}
- fields_string = ','.join('%r' % (field,) for field in fields)
- if parent == 0: # get all files
- sql_res = self.conn.execute("select data.id as id, fields.name, \
- data.value as name from data left join fields on data.field_id=\
- fields.id left join relation on data.id=relation.data_id where \
- fields.name in (%s)" % fields_string)
- else: # get files for selected parent
- sql_res = self.conn.execute("select data.id as id, fields.name, \
- data.value as name from data left join fields on data.field_id=\
- fields.id left join relation on data.id=relation.data_id where \
- fields.name in (%s) and relation.struct_id=?" % fields_string, \
- (parent,))
- if sql_res is None:
- return {}
- for _id, fname, fvalue in sql_res.fetchall():
- if not items_dict.has_key(_id):
- items_dict[_id] = {}
- items_dict[_id][fname] = fvalue
+ if key not in fields:
+ fields.append(str(key))
+ execute = self.conn.execute
+ fields = dict(execute("SELECT id, name FROM fields WHERE name IN (%s)" \
+ % ','.join('%r' % (field,) for field in fields)).fetchall())
+ key_id = 1
+ for k, val in fields.items():
+ if val == key:
+ key_id = k
+ break
+ if search_from_start:
+ s = '%s%%' % pattern.capitalize()
+ else:
+ s = '%%%s%%' % pattern
+ data = execute("SELECT id, field_id, value FROM data WHERE id IN \
+ (SELECT id FROM data WHERE value LIKE '%s' AND field_id=? LIMIT \
+ 50) AND field_id in (%s)" % (s, ','.join('%r' % f for f in \
+ fields.keys())), (key_id,)).fetchall()
+ for data_id, field_id, value in data:
+ if not items_dict.has_key(data_id):
+ items_dict[data_id] = {}
+ items_dict[data_id][fields[int(field_id)]] = value
return items_dict
- def get_entry_by_id(self, _id):
+ def get_entry(self, _id):
"""Returns full entry by it id."""
- sql_res = self.conn.execute("SELECT fields.name, data.value AS name \
- FROM data LEFT JOIN fields ON data.field_id=fields.id LEFT JOIN \
- relation ON data.id=relation.data_id WHERE data.id=?", (_id,))
- if sql_res is None:
- return {}
- else:
- return dict(sql_res.fetchall())
+ execute = self.conn.execute
+ entry_dict = {}
+ entry_dict = dict(execute("SELECT fields.name, value FROM data \
+ LEFT JOIN fields ON fields.id=data.field_id \
+ WHERE data.id=?", (_id,)).fetchall())
+ sql_res = execute('SELECT photo FROM photo WHERE data_id=?', \
+ (_id,)).fetchone()
+ if sql_res is not None:
+ entry_dict['image'] = sql_res[0]
+ return entry_dict
+
+
+
+if __name__ == "__main__":
+ db = SQLite('/tmp')
+ # put test code here
+ db.close()
projects / meabook / blobdiff