2 # -*- coding: utf-8 -*-
7 from meabook.constants import *
9 DATABASE_NAME = 'contacts.db'
19 create index i_data on data (id);
22 id integer primary key,
25 create index i_fields on fields (id);
27 create table relation(
31 create index i_relation_data on relation(data_id);
34 id integer primary key,
38 create index i_struct_id on struct(parent);
45 def __init__(self, basedir):
46 self._path = os.path.join(basedir, DATABASE_NAME)
48 if not os.path.exists(self._path):
54 """Connects to database."""
56 self.conn = sqlite3.connect(self._path, isolation_level="EXCLUSIVE")
59 """Creates new databse."""
62 self.conn.executescript(SCHEMA)
65 """Closes connection with database."""
70 """Save all changes."""
75 """Clear all database tables."""
77 execute = self.conn.execute
78 execute("DELETE from data")
79 execute("DELETE from fields")
80 execute("DELETE from struct")
81 execute("DELETE from relation")
85 """Returns all fields from FIELDS table."""
87 return [item[0] for item in self.conn.execute("SELECT name FROM \
88 fields").fetchall() if item[0]!='image']
90 # operations with DATA table
91 def add_entry(self, entry):
92 """Adds new entry to database."""
94 execute = self.conn.execute
97 _id = execute("SELECT MAX(id) FROM data").fetchone()[0] \
102 for field, values in entry.items():
103 # update FIELDS table
104 field_id = execute("SELECT id FROM fields WHERE name=?", \
107 execute("INSERT INTO fields values(NULL, ?)", (field,))
108 field_id = execute("SELECT last_insert_rowid()").fetchone()[0]
110 field_id = field_id[0]
114 execute("INSERT INTO data values(?,?,?)", \
115 (_id, field_id, value))
117 # update STRUCT table
118 name = entry[FIELD_TOPLEVEL][0]
119 parent_id = execute("SELECT id FROM struct WHERE name=? ", \
121 if parent_id is None: # update STRUCT table (FIELD_TOPLEVEL)
122 execute("INSERT INTO struct values(NULL,?,0)", (name,))
123 parent_id = execute("SELECT last_insert_rowid()").fetchone()[0]
125 parent_id = parent_id[0]
127 name = entry[FIELD_MIDDLELEVEL][0]
128 child_id = execute("SELECT id FROM struct WHERE name=? AND parent=?", \
129 (name, parent_id)).fetchone()
130 if child_id is None: # update STRUCT table (FIELD_MIDDLELEVEL)
131 execute("INSERT INTO struct values(NULL,?,?)", (name, parent_id))
132 child_id = execute("SELECT last_insert_rowid()").fetchone()[0]
134 child_id = child_id[0]
136 # update RELATION table
137 execute("INSERT INTO relation values(?,?)", (_id, child_id))
139 def get_folders(self, parent=None):
141 Returns list of all folders (items with folders and files)
145 if parent is None: # return all folders on level2
146 return self.conn.execute("SELECT DISTINCT name, id FROM struct \
147 WHERE parent!=0 ORDER BY name ASC").fetchall()
149 return self.conn.execute("SELECT DISTINCT name, id FROM struct \
150 WHERE parent=? ORDER BY name ASC", (parent,)).fetchall()
152 def get_files(self, fields, parent=0):
153 """Returns list of all files from DATA table."""
156 execute = self.conn.execute
157 fields = execute("SELECT id, name FROM fields WHERE name IN (%s)" \
158 % ','.join('%r' % (field,) for field in fields)).fetchall()
159 if parent == 0: # get all files
160 data_ids = [_id[0] for _id in execute("SELECT DISTINCT id FROM \
162 else: # get files for selected parent
163 data_ids = [_id[0] for _id in execute("SELECT data_id FROM \
164 relation WHERE struct_id=?", (parent,)).fetchall()]
165 for data_id in data_ids:
166 items_dict[data_id] = {}
167 for field_id, field_name in fields:
168 field_value = execute("SELECT value FROM data WHERE id=? \
169 AND field_id=?", (data_id, field_id)).fetchone()[0]
170 items_dict[data_id][field_name] = field_value
173 def get_files_by_pattern(self, pattern):
174 """Returns list of all files, matched pattern string."""
178 execute = self.conn.execute
179 field_id = execute("SELECT id FROM fields WHERE name=?", \
180 ('cn',)).fetchone()[0]
181 return execute("SELECT id, value FROM data WHERE value LIKE '%s%%' \
182 AND field_id=? LIMIT 50" % pattern.capitalize(), (field_id,)).fetchall()
184 def get_entry(self, _id):
185 """Returns full entry by it id."""
187 execute = self.conn.execute
189 for field_id, value in execute("SELECT field_id, value FROM data WHERE \
190 id=?", (_id,)).fetchall():
191 field_name = execute("SELECT name FROM fields WHERE id=?", \
192 (field_id,)).fetchone()[0]
193 entry_dict[field_name] = value
194 sql_res = execute('select photo from photo where data_id=?', \
196 if sql_res is not None:
197 entry_dict['image'] = sql_res[0]