campo-sirio/src/include/postman.cpp
Alessandro Bonazzi 33fa690034 Patch level : 12.00 1264
Files correlati     : vv0.exe lv2.exe
Commento            :
Invio postino con ODBC
2023-06-05 14:45:53 +02:00

1090 lines
24 KiB
C++
Executable File
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#include <applicat.h>
#include <config.h>
#include <expr.h>
#include <golem.h>
#include <netsock.h>
#include <odbcrset.h>
#include <progind.h>
#include <recarray.h>
#include <relation.h>
#include <scanner.h>
#include <transaction.h>
#include <utility.h>
#include <xml.h>
#include <user.h>
///////////////////////////////////////////////////////////
// TRecipient
///////////////////////////////////////////////////////////
class TRecipient : public TObject
{
TString _address;
TString _group;
TString _expr;
TString _files;
public:
const TString& address() const { return _address; }
const TString& group() const { return _group; }
const TString& files() const { return _files; }
void add_expr(char op, const TString& expr);
bool can_receive(const TRectype& rec) const;
void add_files(const TString& files) { _files = files; }
virtual bool ok() const
{ return _address.not_empty() && _expr.not_empty(); }
TRecipient(const TToken_string& str);
virtual ~TRecipient() { }
};
TRecipient::TRecipient(const TToken_string& str)
{
str.get(0, _address);
str.get(1, _group);
}
void TRecipient::add_expr(char op, const TString& expr)
{
if (_expr.not_empty())
_expr << (op == 'A' ? "&&" : "||");
if (expr.blank())
_expr << 1;
else
_expr << '(' << expr << ')';
}
bool TRecipient::can_receive(const TRectype& rec) const
{
TExpression e(_expr, _strexpr, TRUE);
TString val;
for (int v = 0; v < e.numvar(); v++)
{
const TFixed_string name(e.varname(v));
val.cut(0);
if (rec.exist(name))
val = rec.get(name);
else
{
const TFieldref f(name, 0);
const int logicnum = table2logic(f.id());
if (logicnum > 0 && logicnum != rec.num())
{
TToken_string & rel = prefix().get_relation(rec.num(), logicnum);
if (rel.full())
{
TToken_string key;
FOR_EACH_TOKEN(rel, tok)
key.add(rec.get(tok));
const TRectype & joined_rec = cache().get(logicnum, key);
val = f.read(joined_rec);
}
}
else
val = f.read(rec);
}
e.setvar(name, val);
}
bool yes = e.as_bool();
return yes;
}
///////////////////////////////////////////////////////////
// TPostman
///////////////////////////////////////////////////////////
class TPostman : public TObject
{
long _firm;
int _recipients_lognum;
TArray _recipient;
TAssoc_array _expr;
protected:
void test_firm();
TRecipient& recipient(int r) const
{ return (TRecipient&)_recipient[r]; }
void add_expr(const TString& addr,
char op, const TString& expr);
void add_files(const TString& addr, const TString& files);
void load_filters();
public:
bool can_dispatch_transaction(const TRectype& rec);
bool dispatch_transaction(const TRectype& rec,
const TFilename& name);
TExpression* get_filter_expr(const char* flt);
const char* get_filter(const char* flt);
bool user_can(const char* flt, const TRelation* rel);
TPostman();
virtual ~TPostman() { }
};
void TPostman::test_firm()
{
const long firm = prefix().get_codditta();
if (firm != _firm)
{
_firm = firm;
_recipients_lognum = 0;
_recipient.destroy();
}
}
void TPostman::add_expr(const TString& addr,
char op, const TString& expr)
{
for (int r = _recipient.last(); r >= 0; r--)
{
TRecipient& rec = recipient(r);
if (rec.address() == addr)
{
rec.add_expr(op, expr);
break;
}
else
{
if (rec.group() == addr)
rec.add_expr(op, expr);
}
}
}
void TPostman::add_files(const TString& addr, const TString& files)
{
for (int r = _recipient.last(); r >= 0; r--)
{
TRecipient& rec = recipient(r);
if (rec.address() == addr)
{
rec.add_files(files);
break;
}
else
{
if (rec.group() == addr)
rec.add_files(files);
}
}
}
bool TPostman::can_dispatch_transaction(const TRectype& rec)
{
test_firm();
const int lognum = rec.num();
if (_recipients_lognum != lognum)
{
_recipients_lognum = lognum;
_recipient.destroy();
TConfig cfg(CONFIG_DITTA, "MailTransactions");
TToken_string str("", '<EFBFBD>');
TString addr, opr, expr, files;
// Costruisce la lista dei destinatari
for (int r = 0; cfg.exist("Recipient", r); r++)
{
str = cfg.get("Recipient", NULL, r);
expand_sys_vars(str);
TRecipient* rcp = new TRecipient(str);
_recipient.add(rcp);
}
// Costruisce i filtri per i destinatari
for (int f = 0; cfg.exist("Filter", f); f++)
{
str = cfg.get("Filter", NULL, f);
expand_sys_vars(str);
str.get(0, addr);
const int num = str.get_int(1);
if (num != lognum)
continue;
str.get(2, opr);
str.get(3, expr);
str.get(4, files);
add_expr(addr, opr[0], expr);
add_files(addr, files);
}
// Elimina destinatari inutili
for (int d = _recipient.last(); d >= 0; d--)
{
if (!recipient(d).ok())
_recipient.destroy(d, TRUE);
}
}
return !_recipient.empty();
}
static int write_xml(TConfig& cfg, void* jolly)
{
TAssoc_array &vars = cfg.list_variables();
TXmlItem &item = *(TXmlItem *) jolly;
TToken_string tag(cfg.get_paragraph(), ',');
const int logicnum = tag.get_int();
const char * attr = logicnum > 0 ? "Field" : "Attr";
int rownum = tag.get_int();
if (logicnum > 0)
tag = "Record";
TXmlItem & child =item.AddChild(tag);
if (logicnum > 0)
{
child.SetAttr("LogicNumber", logicnum);
if (logicnum > LF_TAB)
child.SetAttr("TableName", logic2table(logicnum));
else
{
TString table;
FOR_EACH_ASSOC_STRING(vars, hobj, key, val)
if (logicnum <= LF_TAB && strcmp(key, "COD") == 0)
{
table = val;
break;
}
child.SetAttr("TableName", table);
}
if (rownum > 0)
child.SetAttr("RowNumber", rownum);
}
TString s;
FOR_EACH_ASSOC_STRING(vars, hobj, key, val)
if (val && *val)
{
s = val;
if (s[0] == '"' && s.ends_with("\""))
{
s.rtrim(1);
s.ltrim(1);
}
s.trim();
if (TDate::isdate(s))
{
TDate date(s);
child.AddSoapInt(attr, date.date2ansi()).SetAttr("Name", key);
}
else
{
if (real::is_natural(s))
child.AddSoapInt(attr, atoi(s)).SetAttr("Name", key);
else
child.AddSoapString(attr, s).SetAttr("Name", key);
}
}
return 0;
}
typedef enum { db_add, db_update, db_remove } db_op;
const TString & table_name(int logicnum)
{
TString & name = get_tmp_string();
const int firm = prefix().get_codditta();
TDir d(logicnum);
if (d.is_firm())
name << format("%05lda", firm) << '.';
else
name << "COM.";
name << logic2table(logicnum);
return name;
}
HIDDEN bool create_table(TODBC_recordset & recset, int logicnum, const char * table_name, TTrec & recdef)
{
TString sql = "CREATE TABLE [";
int nfields = recdef.fields();
sql << table_name << "](\n";
for (int i = 0; i < nfields; i++)
{
TToken_string def = recdef.fielddef(i);
TString field(def.get(0));
TFieldtypes t = (TFieldtypes)def.get_int(1);
if (i > 0)
sql << ", ";
sql << "[" << field << "] ";
switch (t)
{
case _charfld:
case _alfafld:
sql << "VARCHAR(" << def.get_int(2) << ")";
break;
case _memofld:
sql << "VARCHAR(MAX)"; break;
case _datefld:
sql << "DATE"; break;
case _boolfld:
sql << "BIT DEFAULT 0"; break;
case _realfld:
case _wordfld:
case _intfld:
case _longfld:
case _intzerofld:
case _longzerofld:
default: sql << "NUMERIC(" << def.get_int(2) << "," << def.get_int(3) << ")"; break;
}
}
sql << ");\n";
int err = recset.exec(sql);
if (err < 0)
return false;
for (int k = 0; k < recdef.keys(); k++)
{
TToken_string key(recdef.keydef(k), '+');
bool dupkeys = false;
int pos = key.find("|");
int el = 0;
if (pos > 0)
{
dupkeys = key.mid(pos + 1).full();
key = key.left(pos);
}
sql = "CREATE ";
sql << (dupkeys ? "INDEX KEY" : "UNIQUE INDEX KEY") << k + 1 << " ON [" << table_name << "] (";
FOR_EACH_STR_TOKEN(key, field)
{
if (el++ > 0)
sql << ',';
if (field.starts_with("UPPER"))
{
field = field.mid(6, field.len() - 7);
sql << field << "_UPPER";
TString alter = "ALTER TABLE [";
alter << table_name << "] ADD " << field << "_UPPER AS UPPER(" << field << ");";
err = recset.exec(alter);
}
else
{
int pos = field.find("[");
if (pos > 0)
{
TString fld = field.left(pos);
sql << fld << "_MID";
const int start = atoi(field.mid(pos + 1));
pos = field.find(",", pos + 1);
const int end = pos > 0 ? atoi(field.mid(pos + 1)) : 0;
TString alter = "ALTER TABLE [";
alter << table_name << "] ADD " << fld << "_MID AS " << (recset.driver() == ODBC_mssql ? "SUBSTRING(" : "MID(") << fld << ',' << start;
if (end > 0)
alter << ',' << end - start + 1;
alter << ");";
err = recset.exec(alter);
}
else
sql << field;
}
}
sql << ");\n";
int err = recset.exec(sql);
if (err < 0)
return false;
}
return err >= 0;
}
HIDDEN const TString & build_statement(const db_op op, int logicnum, const char * table_name, const TString_array & keys, const TString_array & values)
{
TString & statement = get_tmp_string();
if (op == db_add)
{
statement << "INSERT INTO [" << table_name << "] (";
FOR_EACH_ARRAY_ROW(values, r, row)
{
if (r > 0)
statement << ", ";
statement << row->get(0);
}
statement << ") VALUES (";
FOR_EACH_ARRAY_ROW(values, rk, rowk)
{
if (rk > 0)
statement << ", ";
statement << rowk->get(1);
}
statement << ')';
}
else
if (op == db_update)
{
statement << "UPDATE [" << table_name << "] SET ";
FOR_EACH_ARRAY_ROW(values, r, row)
{
if (r > 0)
statement << ", ";
statement << *row;
}
statement << " WHERE";
FOR_EACH_ARRAY_ROW(keys, rk, rowk)
{
if (rk > 0)
statement << " AND";
statement << ' ' << *rowk;
}
}
else
if (op == db_remove)
{
statement << "DELETE FROM [" << table_name << "] WHERE ";
FOR_EACH_ARRAY_ROW(keys, rk, rowk)
{
if (rk > 0)
statement << " AND";
statement << ' ' << *rowk;
}
}
statement << ';';
return statement;
}
HIDDEN const char * make_val(const char * fld, TFieldtypes t, TString &src)
{
TString & val = get_tmp_string();
int pos = src.find("'");
val << fld << '=';
while (pos > 0)
{
src.insert("'", pos);
pos = src.find("'", pos + 2);
}
switch (t)
{
case _alfafld:
case _charfld:
case _datefld:
case _memofld:
val << '\'' << src << '\'';
break;
case _intfld:
case _longfld:
case _realfld:
case _wordfld:
case _intzerofld:
case _longzerofld:
val << (src.blank() ? "0" : src);
break;
case _boolfld:
val << (src.blank() ? "'FALSE'" : "'TRUE'");
break;
default:
val << src;
break;
}
return val;
}
HIDDEN bool popolate_table(TODBC_recordset & recset, int logicnum, const char * table_name, TTrec & recdef)
{
bool ok = false;
int nfields = recdef.fields();
TCursor c(new TRelation(logicnum));
const long items = c.items();
TProgress_monitor pi(items, format(TR("caricamento tabella %s"), table_name));
for (c.pos() = 0; pi.addstatus() && c.pos() < items; ++c)
{
TString_array values;
TString_array keys;
for (int i = 0; i < nfields; i++)
{
TToken_string def = recdef.fielddef(i);
TString field(def.get(0));
TFieldtypes t = (TFieldtypes)def.get_int(1);
TString str = c.curr().get(field);
TToken_string row(make_val(field, t, str), '=');
values.add(row);
}
TToken_string key(recdef.keydef(), '+');
int pos = key.find("|");
if (pos > 0)
key = key.left(pos);
FOR_EACH_STR_TOKEN(key, field)
{
TString fld = field;
int pos = fld.find("[");
if (pos > 0)
fld = fld.left(pos);
TToken_string def = recdef.fielddef(recdef.field(fld));
TFieldtypes t = (TFieldtypes)def.get_int(1);
TString str = c.curr().get(fld);
if (pos > 0)
{
int start = atoi(field.mid(pos));
pos = field.find(',', pos);
str = str.smid(start, pos > 0 ? pos : 0);
}
TToken_string row(make_val(field, t, str), '=');
keys.add(row);
}
const TString & statement = build_statement(db_add, logicnum, table_name, keys, values);
int err = recset.exec(statement);
if (err <= 0)
{
const TString & statement = build_statement( db_update, logicnum, table_name, keys, values);
err = recset.exec(statement);
}
if (err <= 0)
error_box(FR("Errore n. %d invio file %d"), -err, logicnum);
}
return ok;
}
HIDDEN void odbc_send(const TString & dsn, int num, TAuto_token_string & elab_files, const TFilename & name)
{
TODBC_recordset recset;
TToken_string odbc_str(dsn.mid(5), ',');
TString_array files;
TString_array keys;
TString_array values;
TConfig ini(name); ini.set_paragraph("Transaction");
TString tr_type = ini.get("Action"); tr_type.upper();
TString main_file;
main_file << num;
db_op op = db_add;
odbc_str.rtrim(1);
if (tr_type == TRANSACTION_INSERT)
op = db_add;
else
if (tr_type == TRANSACTION_MODIFY)
op = db_update;
else
if (tr_type == TRANSACTION_DELETE)
op = db_remove;
if (!recset.connect(odbc_str.get(0), odbc_str.get(1), odbc_str.get(2)))
{
error_box(FR("Non posso connettermi a (%s)"), (const char *)odbc_str);
return;
}
ini.list_paragraphs(files);
FOR_EACH_ARRAY_ROW(files, i, row)
{
TString curr_file = *row;
const int pos = curr_file.find(",");
TToken_string rowkey("", ',');
if (pos > 0)
{
rowkey = curr_file.mid(pos + 1);
curr_file = curr_file.left(pos);
}
int curr_file_num = atoi(curr_file);
const bool to_elab = (curr_file_num > 0) && (elab_files.blank() || elab_files.find(curr_file) >= 0);
if (to_elab)
{
keys.destroy();
values.destroy();
ini.set_paragraph(*row);
TTrec wrk(curr_file_num);
int nfields = wrk.fields();
const TString name = table_name(curr_file_num);
/*TString check_statement = "SELECT TOP 1 * FROM [";
check_statement << name << "];";*/
TString check_statement = "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'dbo' AND TABLE_NAME = '";
check_statement << name << "';";
int err = recset.exec(check_statement);
if (err <= 0)
{
create_table(recset, curr_file_num, name, wrk);
popolate_table(recset, curr_file_num, name, wrk);
recset.exec("COMMIT;");
}
else
{
for (int i = 0; i < nfields; i++)
{
TToken_string def = wrk.fielddef(i);
TString field(def.get(0));
TFieldtypes t = (TFieldtypes)def.get_int(1);
TString str = ini.get(field);
str = str.strip("\"");
TToken_string row(make_val(field, t, str), '=');
values.add(row);
}
TToken_string key(wrk.keydef(), '+');
int pos = key.find("|");
if (pos > 0)
key = key.left(pos);
pos = 0;
FOR_EACH_STR_TOKEN(key, field)
{
TString fld = field;
if (fld.starts_with("UPPER"))
{
fld = fld.smid(7);
fld.rtrim(1);
fld << "_UPPER";
}
else
{
pos = fld.find("[");
if (pos > 0)
fld = fld.left(pos);
}
TString str = ini.get(field);
if (str.blank())
{
ini.set_paragraph(main_file);
str = ini.get(fld);
if (str.blank())
str << rowkey.get();
ini.set_paragraph(*row);
}
str = str.strip("\"");
TToken_string def = wrk.fielddef(wrk.field(fld));
TFieldtypes t = (TFieldtypes)def.get_int(1);
if (pos > 0)
{
int start = atoi(field.mid(pos + 1));
pos = field.find(',', pos + 1);
str = str.smid(start, pos > 0 ? atoi(field.mid(pos + 1)) : 0);
fld << "_MID";
}
TToken_string row(make_val(fld, t, str), '=');
keys.add(row);
}
const TString & statement = build_statement(op, curr_file_num, name, keys, values);
int err = recset.exec(statement);
if (op < db_remove && err <= 0)
{
const TString & statement = build_statement(op == db_add ? db_update : db_add, curr_file_num, name, keys, values);
err = recset.exec(statement);
}
if (err <= 0)
error_box(FR("Errore n. %d invio file %d"), -err, curr_file_num);
else
recset.exec("COMMIT;");
}
}
}
}
bool TPostman::dispatch_transaction(const TRectype& rec,
const TFilename& name)
{
bool ok = can_dispatch_transaction(rec);
if (ok)
{
TToken_string dest;
TToken_string file_dest;
TToken_string soap_dest;
TToken_string odbc_dest;
TToken_string odbc_files;
TString last_error;
for (int r = 0; r < _recipient.items(); r++)
{
const TRecipient& a = recipient(r);
if (a.can_receive(rec))
{
TString addr = a.address();
if (addr.starts_with("http")) // Indirizzo http
soap_dest.add(addr); else
if (addr.find('@') > 0) // Indirizzo posta
dest.add(addr);
else
{
if (fexist(addr))
file_dest.add(addr);
else
if (addr.starts_with("ODBC"))
{
if (addr.mid(4).blank())
addr << '(' << ini_get_string(CONFIG_DITTA, "MailTransactions", "ODBCDSN")
<< ',' << ini_get_string(CONFIG_DITTA, "MailTransactions", "ODBCUser")
<< ',' << decode(ini_get_string(CONFIG_DITTA, "MailTransactions", "ODBCPassword")) << ')';
odbc_dest.add(addr);
odbc_files.add(a.files());
}
else
{
if (addr != last_error)
{
ok = error_box(FR("Non esiste la cartella di destinazione %s"), (const char*)addr);
last_error = addr;
}
}
}
}
}
if (dest.items() > 0)
{
TMail_message msg(dest.get(0));
for (const char* r = dest.get(1); r; r = dest.get())
msg.add_copy_recipient(r);
TString16 subject;
switch (rec.num())
{
case LF_TAB:
case LF_TABCOM:
case LF_TABGEN:
subject << rec.get("COD");
break;
case LF_TABMOD:
subject << '&' << rec.get("COD");
break;
default:
subject << rec.num();
break;
}
msg.set_subject(subject);
TScanner trans(name);
while (trans.good())
{
TString& line = trans.line();
msg.add_line(line);
}
ok = msg.send(TRUE);
}
if (file_dest.items() > 0)
{
TString16 basename;
const struct tm* tl = xvt_time_now();
basename.format("%02d%02d%02d_%02d%02d%02d_0",
tl->tm_year%100, tl->tm_mon+1, tl->tm_mday,
tl->tm_hour, tl->tm_min, tl->tm_sec);
FOR_EACH_TOKEN(file_dest, r)
{
TFilename output;
int retry = 0;
for (retry = 0; retry < 10; retry++) // Per ora tento solo 10 volte
{
output = r;
output.add(basename);
output << retry << ".ini";
if (!output.exist()) // Ho generato un nome buono
break;
}
if (retry >= 10)
ok = false;
else
ok = fcopy(name, output);
}
}
if (soap_dest.items() > 0)
{
TConfig trans(name);
TXmlItem item;
TSocketClient socket;
char * buf = new char[1024 * 256];
#ifdef WIN32
ostrstream stream(buf, 1024 * 256);
#else
ostringstream stream(buf);
#endif
bool ok = true;
item.SetTag("m:CampoTransaction");
trans.for_each_paragraph(write_xml, &item);
item.Write(stream, 2);
stream << '\0';
#ifdef DBG
TFilename name;
char hostname[256];
int len = strlen(buf);
len += 79;
xvt_sys_get_host_name(hostname, sizeof(hostname));
name.temp();
ofstream f(name);
f << "POST / HTTP/1.1\n"
<< "User-Agent: Campo\n"
<< "Host: " << hostname << "\n"
<< "Content-Type: text/xml; charset=utf-8\n"
<< "Content-length: " << len << "\n"
<< "SOAPAction: \"/\"\r\n\r\n"
<< "<SOAP-ENV:Envelope>\n<SOAP-ENV:Body>\r\n";
item.Write(f, 2);
f << "\n</SOAP-ENV:Body>\n</SOAP-ENV:Envelope>\r\n\r\n";
#endif
FOR_EACH_TOKEN(soap_dest, r)
{
CONNID id = socket.QueryConnection("", r);
socket.HttpSoap(id, buf);
}
}
if (odbc_dest.items() > 0)
{
odbc_files.restart();
FOR_EACH_TOKEN(odbc_dest, r)
{
const TString & dsn = r;
TAuto_token_string files = odbc_files.get();
::odbc_send(dsn, rec.num(), files, name);
}
remove_file(name);
}
}
return ok;
}
void TPostman::load_filters()
{
TToken_string perm(4096, '\n');
TAuto_token_string row(80);
// Costruisce il nome dell'applicazione principale
const TApplication& ma = main_app();
TFilename app(ma.argv(0));
app = app.name_only();
for (int a = 1; a < ma.argc(); a++)
{
row = ma.argv(a); row.upper();
if (row[0] != '/' && row[1] != 'I')
app << ' ' << row;
else
break;
}
// Stringhe delle espressioni i filtro
TAssoc_array expr;
// Scandisce l'albero degli utenti/gruppi
const TString_array& uag = user_and_groups();
FOR_EACH_ARRAY_ROW(uag, r, rec)
{
perm = rec->after(rec->separator()); // Permessi del nodo corrente
if (!perm.blank())
{
FOR_EACH_TOKEN(perm, tok)
{
row = tok;
const TString80 appmod = row.get(0);
const bool is_mod = appmod.len() == 2;
// Il programma oppure il modulo corrispondono
if ((is_mod && app.compare(appmod, 2, TRUE) == 0) ||
app.compare(appmod, -1, TRUE) == 0)
{
TString80 key = row.get(2); key.trim(); // Tipo di filtro
row = row.get(); row.trim(); // Espressione di filtro
if (key.not_empty() && row.not_empty() && row != "1")
{
key.upper();
TString* str = (TString*)expr.objptr(key);
if (str == NULL)
{
str = new TString(row); // Crea una nuova stringa
expr.add(key, str);
}
else
{ // Somma alla stringa precendente
if (*str != "0") // Se sono FALSE lasciami stare
{
if (row != "0") // Se aggiungo qualcosa di non ovvio
{
str->insert("(", 0);
*str << ")AND(";
*str << row << ')';
}
else
*str = "0";
}
}
}
}
}
}
}
// Trasforma le stringhe in espressioni
FOR_EACH_ASSOC_STRING(expr, hash, key, str)
{
TExpression* e = new TExpression(str, _strexpr, TRUE);
_expr.add(key, e);
}
// Inserisce un elemento fasullo per segnalare l'avvenuta lettura
if (_expr.items() == 0)
_expr.add("", new TObject);
}
TExpression* TPostman::get_filter_expr(const char* flt)
{
if (_expr.items() == 0)
load_filters();
TString80 f(flt); f.upper();
TExpression* e = (TExpression*)_expr.objptr(f);
return e;
}
const char* TPostman::get_filter(const char* flt)
{
TExpression* e = get_filter_expr(flt);
return e ? e->string() : NULL;
}
bool TPostman::user_can(const char* flt, const TRelation* rel)
{
bool yes_he_can = TRUE;
TExpression* e = get_filter_expr(flt);
if (e != NULL)
{
if (rel != NULL)
{
for (int i = e->numvar()-1; i >= 0; i--)
{
const TString& name = e->varname(i);
const TFieldref ref(name, 0);
const TString& val = ref.read(*rel);
e->setvar(name, val);
}
yes_he_can = e->as_bool();
}
else
{
if (e->numvar() == 0)
yes_he_can = e->as_bool();
}
}
return yes_he_can;
}
TPostman::TPostman() : _firm(-1), _recipients_lognum(0)
{
}
TPostman& postman()
{
static TPostman* _postman = NULL;
if (_postman == NULL)
_postman = new TPostman;
return *_postman;
}
///////////////////////////////////////////////////////////
// Public interface
///////////////////////////////////////////////////////////
bool can_dispatch_transaction(const TRectype& rec)
{
return postman().can_dispatch_transaction(rec);
}
bool dispatch_transaction(const TRectype& rec, const TFilename& name)
{
return postman().dispatch_transaction(rec, name);
}
const char* get_user_filter(const char* flt)
{
return postman().get_filter(flt);
}
const char* get_user_read_filter()
{
return get_user_filter("Lettura");
}
const char* get_user_write_filter()
{
return get_user_filter("Scrittura");
}
bool user_can_read(const TRelation* rel)
{
return postman().user_can("Lettura", rel);
}
bool user_can_write(const TRelation* rel)
{
return user_can_read(rel) && postman().user_can("Scrittura", rel);
}
bool user_can_delete(const TRelation* rel)
{
return user_can_write(rel) && postman().user_can("Eliminazione", rel);
}
bool user_can_do(const char* azione, const TRelation* rel)
{
return postman().user_can(azione, rel);
}