From: tanya <tanyshk@gmail.com>
Date: Tue, 22 Jun 2010 11:59:14 +0000 (+0300)
Subject: changed database functions
X-Git-Url: https://vcs.maemo.org/git/?p=meabook;a=commitdiff_plain;h=a36fe66f494c49f15d63212f126cdf7954088da0

changed database functions
---

diff --git a/database/SQLite.py b/database/SQLite.py
index a51f505..0b2447e 100644
--- a/database/SQLite.py
+++ b/database/SQLite.py
@@ -136,6 +136,7 @@ class SQLite:
         # update RELATION table
         execute("INSERT INTO relation values(?,?)", (_id, child_id))
 
+    
     def get_folders(self, parent=None):
         """
         Returns list of all folders (items with folders and files)
@@ -148,7 +149,30 @@ class SQLite:
         else:
             return self.conn.execute("SELECT DISTINCT name, id FROM struct \
                 WHERE parent=? ORDER BY name ASC", (parent,)).fetchall()
+    
+    def _get_files(self, fields, parent=0):
+        
+        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 id, field_id, value in data:
+            if not items_dict.has_key(id):
+                items_dict[id] = {}
+            items_dict[id][fields[int(field_id)]] = value
+        return items_dict
 
+
+    
     def get_files(self, fields, parent=0, pattern=''):
         """Returns list of all files from DATA table."""
 
@@ -172,6 +196,36 @@ class SQLite:
                 items_dict[data_id][field_name] = field_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 = {}
+        if key not in fields:
+            fields = fields + (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 id, field_id, value in data:
+            if not items_dict.has_key(id):
+                items_dict[id] = {}
+            items_dict[id][fields[int(field_id)]] = value
+        return items_dict
+
+
     def get_files_by_pattern(self, pattern):
         """Returns list of all files, matched pattern string."""
 
@@ -183,6 +237,20 @@ class SQLite:
         return execute("SELECT id, value FROM data WHERE value LIKE '%s%%' \
             AND field_id=? LIMIT 50" % pattern.capitalize(), (field_id,)).fetchall()
 
+    def _get_entry(self, _id):
+        """Returns full entry by it id."""
+
+        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
+
     def get_entry(self, _id):
         """Returns full entry by it id."""
 
@@ -198,3 +266,8 @@ class SQLite:
         if sql_res is not None:
             entry_dict['image'] = sql_res[0]
         return entry_dict
+
+if __name__ == "__main__":
+    db = SQLite('/tmp')
+    #print db.get_files(('cn', 'o', 'ou'), 0)
+    print db._get_files_by_pattern(('cn', 'o', 'ou'), 'cn', 'Ра', True)