summaryrefslogtreecommitdiffstats
path: root/akregator/src/mk4storage/storagemk4impl.cpp
blob: 4fc9ecec1212f7784b18e3771e93fdf70b97d840 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
/*
    This file is part of Akregator.

    Copyright (C) 2005 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
                  2005 Frank Osterfeld <frank.osterfeld@kdemail.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

    As a special exception, permission is given to link this program
    with any edition of Qt, and distribute the resulting executable,
    without including the source code for Qt in the source distribution.
*/
#include "storagemk4impl.h"
#include "feedstoragemk4impl.h"

#include <mk4.h>

#include <tqmap.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqtimer.h>

#include <kdebug.h>
#include <kstandarddirs.h>

namespace Akregator {
namespace Backend {

class StorageMK4Impl::StorageMK4ImplPrivate
{
    public:
        StorageMK4ImplPrivate() : modified(false),
            purl("url"),
            pFeedList("feedList"),
            pTagSet("tagSet"),
            punread("unread"),
            ptotalCount("totalCount"),
            plastFetch("lastFetch") {}

        c4_Storage* storage;
        c4_View archiveView;
        bool autoCommit;
        bool modified;
        TQMap<TQString, FeedStorage*> feeds;
        TQStringList feedURLs;
        c4_StringProp purl, pFeedList, pTagSet;
        c4_IntProp punread, ptotalCount, plastFetch;
        TQString archivePath;
        
        bool taggingEnabled;
        
        c4_Storage* feedListStorage;
        c4_View feedListView;
};

bool StorageMK4Impl::taggingEnabled() const
{
    return d->taggingEnabled;
}

void StorageMK4Impl::setArchivePath(const TQString& archivePath)
{
    if (archivePath.isNull()) // if isNull, reset to default
        d->archivePath = defaultArchivePath();
    else
        d->archivePath = archivePath;
}

TQString StorageMK4Impl::archivePath() const
{
    return d->archivePath;
}

StorageMK4Impl::StorageMK4Impl() : d(new StorageMK4ImplPrivate)
{
    setArchivePath(TQString::null); // set path to default
}

TQString StorageMK4Impl::defaultArchivePath()
{
    return KGlobal::dirs()->saveLocation("data", "akregator")+"Archive";
}

StorageMK4Impl::~StorageMK4Impl()
{
    close();
    delete d;
    d = 0;
}
void StorageMK4Impl::initialize(const TQStringList& params)
{
    d->taggingEnabled = false;
    
    TQStringList::ConstIterator it = params.begin();
    TQStringList::ConstIterator end = params.end();
    
    for ( ; it != end; ++it)
    {
        TQStringList tokens = TQStringList::split("=", *it);
        if (tokens.count() == 2 && *(tokens.at(0)) == "taggingEnabled" 
            && *(tokens.at(1)) == "true")
        {
            d->taggingEnabled = true;
        }
        
    }
}

bool StorageMK4Impl::open(bool autoCommit)
{
    TQString filePath = d->archivePath +"/archiveindex.mk4";
    d->storage = new c4_Storage(filePath.local8Bit(), true);
    d->archiveView = d->storage->GetAs("archive[url:S,unread:I,totalCount:I,lastFetch:I]");
    c4_View hash = d->storage->GetAs("archiveHash[_H:I,_R:I]");
    d->archiveView = d->archiveView.Hash(hash, 1); // hash on url
    d->autoCommit = autoCommit;

    filePath = d->archivePath +"/feedlistbackup.mk4";
    d->feedListStorage = new c4_Storage(filePath.local8Bit(), true);
    d->feedListView = d->feedListStorage->GetAs("archive[feedList:S,tagSet:S]");
    return true;
}

bool StorageMK4Impl::autoCommit() const
{
    return d->autoCommit;
}

bool StorageMK4Impl::close()
{
    TQMap<TQString, FeedStorage*>::Iterator it;
    TQMap<TQString, FeedStorage*>::Iterator end(d->feeds.end() ) ;
    for (it = d->feeds.begin(); it != end; ++it)
    {
        it.data()->close();
        delete it.data();
    }
    if(d->autoCommit)
        d->storage->Commit();

    delete d->storage; 
    d->storage = 0;
    
    d->feedListStorage->Commit();
    delete d->feedListStorage;
    d->feedListStorage = 0;

    return true;
}

bool StorageMK4Impl::commit()
{
    TQMap<TQString, FeedStorage*>::Iterator it;
    TQMap<TQString, FeedStorage*>::Iterator end(d->feeds.end() ) ;
    for ( it = d->feeds.begin(); it != end; ++it )
        it.data()->commit();

    if(d->storage)
    {
        d->storage->Commit();
        return true;
    }

    return false;
}

bool StorageMK4Impl::rollback()
{
    TQMap<TQString, FeedStorage*>::Iterator it;
    TQMap<TQString, FeedStorage*>::Iterator end(d->feeds.end() ) ;
    for ( it = d->feeds.begin(); it != end; ++it )
        it.data()->rollback();

    if(d->storage)
    {
        d->storage->Rollback();
        return true;
    }
    return false;
}

int StorageMK4Impl::unreadFor(const TQString &url)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);

    return findidx != -1 ? d->punread(d->archiveView.GetAt(findidx)) : 0;
}

void StorageMK4Impl::setUnreadFor(const TQString &url, int unread)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);
    if (findidx == -1)
        return;
    findrow = d->archiveView.GetAt(findidx);
    d->punread(findrow) = unread;
    d->archiveView.SetAt(findidx, findrow);
    markDirty();
}

int StorageMK4Impl::totalCountFor(const TQString &url)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);

    return findidx != -1 ? d->ptotalCount(d->archiveView.GetAt(findidx)) : 0;
}

void StorageMK4Impl::setTotalCountFor(const TQString &url, int total)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);
    if (findidx == -1)
        return;
    findrow = d->archiveView.GetAt(findidx);
    d->ptotalCount(findrow) = total;
    d->archiveView.SetAt(findidx, findrow);
    markDirty();
}

int StorageMK4Impl::lastFetchFor(const TQString& url)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);

    return (findidx != -1 ? d->plastFetch(d->archiveView.GetAt(findidx)) : 0);
}

void StorageMK4Impl::setLastFetchFor(const TQString& url, int lastFetch)
{
    c4_Row findrow;
    d->purl(findrow) = url.ascii();
    int findidx = d->archiveView.Find(findrow);
    if (findidx == -1)
        return;
    findrow = d->archiveView.GetAt(findidx);
    d->plastFetch(findrow) = lastFetch;
    d->archiveView.SetAt(findidx, findrow);
    markDirty();
}

void StorageMK4Impl::markDirty()
{
    if (!d->modified)
    {
        d->modified = true;
        // commit changes after 3 seconds
        TQTimer::singleShot(3000, this, TQT_SLOT(slotCommit()));
    }
}

void StorageMK4Impl::slotCommit()
{
    if (d->modified)
        commit();
    d->modified = false;
}

FeedStorage* StorageMK4Impl::archiveFor(const TQString& url)
{
    if (!d->feeds.contains(url))
    {
        FeedStorage* fs = new FeedStorageMK4Impl(url, this);
        d->feeds[url] = fs;
        c4_Row findrow;
        d->purl(findrow) = url.ascii();
        int findidx = d->archiveView.Find(findrow);
        if (findidx == -1)
        {
            d->punread(findrow) = 0;
	    d->ptotalCount(findrow) = 0;
	    d->plastFetch(findrow) = 0;
            d->archiveView.Add(findrow);
            markDirty();
        }
        fs->convertOldArchive();
    }
    return d->feeds[url];
}

TQStringList StorageMK4Impl::feeds() const
{
    // TODO: cache list
    TQStringList list;
    int size = d->archiveView.GetSize();
    for (int i = 0; i < size; i++)
        list += TQString(d->purl(d->archiveView.GetAt(i)));
    // fill with urls
    return list;

}

void StorageMK4Impl::add(Storage* source)
{
    TQStringList feeds = source->feeds();
    TQStringList::ConstIterator end(feeds.end() ) ;

    for (TQStringList::ConstIterator it = feeds.begin(); it != end; ++it)
    {
        FeedStorage* fa = archiveFor(*it);
        fa->add(source->archiveFor(*it));
    }
}


void StorageMK4Impl::clear()
{
   TQStringList feeds;
    int size = d->archiveView.GetSize();
    for (int i = 0; i < size; i++)
        feeds += TQString(d->purl(d->archiveView.GetAt(i)));
    TQStringList::ConstIterator end(feeds.end() ) ;

    for (TQStringList::ConstIterator it = feeds.begin(); it != end; ++it)
    {
        FeedStorage* fa = archiveFor(*it);
        fa->clear();
        fa->commit();
        // FIXME: delete file (should be 0 in size now)
    }
    d->storage->RemoveAll();

}

void StorageMK4Impl::storeFeedList(const TQString& opmlStr)
{
   
    if  (d->feedListView.GetSize() == 0)
    {
        c4_Row row;
        d->pFeedList(row) = !opmlStr.isEmpty() ? opmlStr.utf8().data() : "";
        d->pTagSet(row) = "";
        d->feedListView.Add(row);
    }
    else
    {
        c4_Row row = d->feedListView.GetAt(0);
        d->pFeedList(row) = !opmlStr.isEmpty() ? opmlStr.utf8().data() : "";
        d->feedListView.SetAt(0, row);
    }
    markDirty();
}

TQString StorageMK4Impl::restoreFeedList() const
{
    if  (d->feedListView.GetSize() == 0)
        return "";

    c4_Row row = d->feedListView.GetAt(0);
    return TQString::fromUtf8(d->pFeedList(row));
}

void StorageMK4Impl::storeTagSet(const TQString& xmlStr)
{
   
    if  (d->feedListView.GetSize() == 0)
    {
        c4_Row row;
        d->pTagSet(row) = !xmlStr.isEmpty() ? xmlStr.utf8().data() : "";
        d->pFeedList(row) = "";
        d->feedListView.Add(row);
    }
    else
    {
        c4_Row row = d->feedListView.GetAt(0);
        d->pTagSet(row) = !xmlStr.isEmpty() ? xmlStr.utf8().data() : "";
        d->feedListView.SetAt(0, row);
    }
    markDirty();
}

TQString StorageMK4Impl::restoreTagSet() const
{
    if  (d->feedListView.GetSize() == 0)
        return "";

    c4_Row row = d->feedListView.GetAt(0);
    return TQString::fromUtf8(d->pTagSet(row));
}

} // namespace Backend
} // namespace Akregator

#include "storagemk4impl.moc"