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fixed: thread plugin didn't correctly set the last item and replies (in 'thread' table)

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when deleting an answer
added: ThreadInfo::Repair() method
       will be used by 'fsck' winix function       
added: plugins/groupitem 
       directory for a new plugin: 'groupitem'
       


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@725 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2011-03-23 17:54:53 +00:00
parent ba63c8c661
commit d68731fd55
15 changed files with 498 additions and 50 deletions
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148
plugins/thread/tdb.cpp
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@@ -58,7 +58,7 @@ void TDb::SetThread(PGresult * r, int col, Thread & thread)
Error TDb::GetThreadByFileId(long file_id, Thread & thread)
Error TDb::GetThread(long file_id, Thread & thread)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
@@ -175,7 +175,7 @@ return status;
Error TDb::EditThreadAddItem(long file_id, long answer_id)
Error TDb::AddAnswer(long file_id, long answer_id)
{
query.Clear();
query << R("insert into plugins.thread_files (file_id, answer_id) values (")
@@ -200,7 +200,7 @@ return DoCommand(query);
long TDb::FindLastItem(long file_id)
long TDb::FindLastAnswer(long file_id)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
@@ -231,7 +231,7 @@ return last_item_id;
Error TDb::EditThreadRemoveItem(long item_id)
Error TDb::RemoveAnswer(long answer_id)
{
PGresult * r1 = 0;
PGresult * r2 = 0;
@@ -239,10 +239,10 @@ Error TDb::EditThreadRemoveItem(long item_id)
try
{
// selecting files which have item_id as an answer
// selecting files which have answer_id as an answer
query.Clear();
query << R("select file_id from plugins.thread_files where answer_id = ")
<< item_id
<< answer_id
<< R(";");
r1 = AssertQuery(query);
@@ -254,10 +254,11 @@ Error TDb::EditThreadRemoveItem(long item_id)
for(int i=0 ; i<rows ; ++i)
file_id_tab[i] = AssertValueLong(r1, i, 0);
// deleting those answers
query.Clear();
query << R("delete from plugins.thread_files where answer_id = ")
<< item_id
<< answer_id
<< R(";");
r2 = AssertQuery(query);
@@ -269,7 +270,7 @@ Error TDb::EditThreadRemoveItem(long item_id)
log << log2 << "ThreadDb: deleted " << rows << " rows from plugins.thread_files" << logend;
// setting new last_items to the files
status = EditThreadRecalcFiles(file_id_tab);
status = RemoveAnswerRecalcLast(file_id_tab);
}
catch(const Error & e)
{
@@ -283,22 +284,28 @@ return status;
}
Error TDb::RemoveAnswerRecalcLast(long file_id)
{
long last_item_id = FindLastAnswer(file_id);
Error TDb::EditThreadRecalcFiles(const std::vector<long> & file_id_tab)
query.Clear();
query << R("update plugins.thread set (replies, last_item) = (replies-1,")
<< last_item_id
<< R(") where file_id=")
<< file_id
<< R(";");
return DoCommand(query);
}
Error TDb::RemoveAnswerRecalcLast(const std::vector<long> & file_id_tab)
{
for(size_t i=0 ; i<file_id_tab.size() ; ++i)
{
long file_id = file_id_tab[i];
long last_item_id = FindLastItem(file_id);
query.Clear();
query << R("update plugins.thread set (replies, last_item) = (replies-1,")
<< last_item_id
<< R(") where file_id=")
<< file_id
<< R(";");
Error status = DoCommand(query);
long file_id = file_id_tab[i];
Error status = RemoveAnswerRecalcLast(file_id);
if( status != WINIX_ERR_OK )
return status;
@@ -308,6 +315,49 @@ return WINIX_ERR_OK;
}
Error TDb::RecalcThread(long file_id)
{
long replies = CalcAnswers(file_id);
long last_item = FindLastAnswer(file_id);
query.Clear();
query << R("update plugins.thread set (replies, last_item) = (")
<< replies
<< last_item
<< R(") where file_id=")
<< file_id
<< R(";");
return DoCommand(query);
}
long TDb::CalcAnswers(long file_id)
{
PGresult * r = 0;
long answers = 0;
try
{
query.Clear();
query << R("select count(file_id) from plugins.thread_files where file_id=") << file_id << R(";");
r = AssertQuery(query);
AssertResult(r, PGRES_TUPLES_OK);
if( Rows(r) == 1 )
answers = AssertValueLong(r, 0, 0);
}
catch(const Error &)
{
}
ClearResult(r);
return answers;
}
@@ -354,6 +404,64 @@ return status;
Error TDb::RemoveAnswerOnly(long answer_id)
{
PGresult * r = 0;
Error status = WINIX_ERR_OK;
try
{
query.Clear();
query << R("delete from plugins.thread_files where answer_id=") << answer_id << R(";");
r = AssertQuery(query);
AssertResult(r, PGRES_COMMAND_OK);
long rows = AffectedRows(r);
if( rows > 0 )
log << log2 << "ThreadDb: deleted " << rows << " rows from plugins.thread_files" << logend;
}
catch(const Error & e)
{
status = e;
}
ClearResult(r);
return status;
}
void TDb::GetAllThreadsId(std::vector<long> & file_id)
{
PGresult * r = 0;
file_id.clear();
try
{
query.Clear();
query << R("select file_id from plugins.thread;");
r = AssertQuery(query);
AssertResult(r, PGRES_TUPLES_OK);
int rows = Rows(r);
file_id.resize(rows);
for(int i=0 ; i<rows ; ++i)
file_id[i] = AssertValueLong(r, i, 0);
}
catch(const Error &)
{
}
ClearResult(r);
}