storage/base/aaLoadQuote.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent tw=79 ft=cpp: */
   3 /*
   4  * Copyright (C) 2007 Sergey Yanovich <ynvich@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include "xpcom-config.h"
  23
  24 #include "nsCOMPtr.h"
  25 #include "nsIMutableArray.h"
  26 #include "nsComponentManagerUtils.h"
  27 #include "nsStringAPI.h"
  28 #include "nsEmbedString.h"
  29
  30 /* Unfrozen API */
  31 #include "mozIStorageConnection.h"
  32 #include "mozIStorageStatement.h"
  33
  34 /* Project includes */
  35 #include "aaIResource.h"
  36 #include "aaIQuote.h"
  37 #include "aaLoadQuote.h"
  38
  39 #define AA_LOADQUOTE_SELECT_QUERY "SELECT quote.resource_id, resource.tag,\
  40   strftime('%s',quote.day), quote.rate\
  41   FROM quote LEFT JOIN resource ON quote.resource_id == resource.id"
  42 #define AA_QUOTE_ITEM_CONTRACT "@aasii.org/base/quote;1"
  43
  44 aaLoadQuote::aaLoadQuote(nsISupports *aOuter)
  45   :aaLoadQuery(aOuter)
  46 {
  47 }
  48
  49 aaLoadQuote::~aaLoadQuote()
  50 {
  51 }
  52
  53 NS_IMPL_ISUPPORTS_INHERITED0(aaLoadQuote,
  54                              aaLoadQuery)
  55
  56 /* Virtual methods */
  57 const char*
  58 aaLoadQuote::getSelectQuery() const
  59 {
  60   return AA_LOADQUOTE_SELECT_QUERY;
  61 }
  62
  63 aaIDataNode*
  64 aaLoadQuote::fetchRow()
  65 {
  66   nsresult rv;
  67   PRInt64 resourceId;
  68   PRTime time;
  69   nsEmbedCString tag;
  70   double rate;
  71   rv = mStatement->GetInt64(2, &time);
  72   if (NS_FAILED(rv))
  73     return nsnull;
  74   time *= 1000000;
  75
  76   rv = mStatement->GetDouble(3, &rate);
  77   if (NS_FAILED(rv))
  78     return nsnull;
  79
  80   rv = mStatement->GetInt64(0, &resourceId);
  81   if (NS_FAILED(rv))
  82     return nsnull;
  83
  84   nsEmbedCString resourceTag;
  85   rv = mStatement->GetUTF8String(1, resourceTag);
  86   if (NS_FAILED(rv))
  87     return nsnull;
  88
  89   nsCOMPtr<aaIResource> resource(do_CreateInstance("@aasii.org/base/resource;1"));
  90   if (! resource)
  91     return nsnull;
  92
  93   rv = resource->SetId(resourceId);
  94   if (NS_FAILED(rv))
  95     return nsnull;
  96
  97   rv = resource->SetTag(NS_ConvertUTF8toUTF16(resourceTag));
  98   if (NS_FAILED(rv))
  99     return nsnull;
 100
 101
 102   aaIQuote* quote;
 103   CallCreateInstance("@aasii.org/base/quote;1", nsnull, &quote);
 104   if (! quote)
 105     return nsnull;
 106
 107   quote->SetResource(resource);
 108   quote->SetTime(time);
 109   quote->SetRate(rate);
 110
 111   return quote;
 112 }
 113