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Merge pull request #772 from whatdoineed2do/smartpl-dynamic-dates-context

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[smartpl] generate dynamic dates for SMARTPL queries
This commit is contained in:
Christian Meffert
2019-08-03 08:51:57 +02:00
committed by GitHub
parent ff9a80dbb9 772b18479d
commit d996b1ff09
2 changed files with 73 additions and 138 deletions
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203
src/SMARTPL2SQL.g
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@@ -38,19 +38,44 @@ options {
}
@members {
static time_t startoftoday()
{
struct tm tm;
time_t now;
static void append_date(pANTLR3_STRING result, const char *datval, char beforeorafter, const char *interval)
{
if (strcmp((char *)datval, "today") == 0)
{
result->append8(result, "strftime('\%s', datetime('now', 'start of day'");
}
else if (strcmp((char *)datval, "yesterday") == 0)
{
result->append8(result, "strftime('\%s', datetime('now', 'start of day', '-1 day'");
}
else if (strcmp((char *)datval, "last week") == 0)
{
result->append8(result, "strftime('\%s', datetime('now', 'start of day', 'weekday 0', '-13 days'");
}
else if (strcmp((char *)datval, "last month") == 0)
{
result->append8(result, "strftime('\%s', datetime('now', 'start of month', '-1 month'");
}
else if (strcmp((char *)datval, "last year") == 0)
{
result->append8(result, "strftime('\%s', datetime('now', 'start of year', '-1 year'");
}
else
{
result->append8(result, "strftime('\%s', datetime(\'");
result->append8(result, datval);
result->append8(result, "\'");
}
time(&now);
localtime_r(&now, &tm);
tm.tm_sec = 0;
tm.tm_min = 0;
tm.tm_hour = 0;
return mktime(&tm);
}
if (beforeorafter)
{
result->append8(result, ", '");
result->addc(result, beforeorafter);
result->append8(result, interval);
result->addc(result, '\'');
}
result->append8(result, ", 'utc'))");
}
}
playlist returns [ pANTLR3_STRING title, pANTLR3_STRING query, pANTLR3_STRING orderby, pANTLR3_STRING having, int limit ]
@@ -213,25 +238,19 @@ expression returns [ pANTLR3_STRING result, pANTLR3_STRING orderby, pANTLR3_STRI
}
| DATETAG AFTER dateval
{
char str[15];
sprintf(str, "\%d", $dateval.result);
$result = $DATETAG.text->factory->newRaw($DATETAG.text->factory);
$result->append8($result, "f.");
$result->appendS($result, $DATETAG.text->toUTF8($DATETAG.text));
$result->append8($result, " > ");
$result->append8($result, str);
$result->append8($result, (const char*)$dateval.result->chars);
}
| DATETAG BEFORE dateval
{
char str[15];
sprintf(str, "\%d", $dateval.result);
$result = $DATETAG.text->factory->newRaw($DATETAG.text->factory);
$result->append8($result, "f.");
$result->appendS($result, $DATETAG.text->toUTF8($DATETAG.text));
$result->append8($result, " < ");
$result->append8($result, str);
$result->append8($result, (const char*)$dateval.result->chars);
}
| ENUMTAG IS ENUMVAL
{
@@ -328,150 +347,60 @@ ordertag returns [ pANTLR3_STRING result ]
}
;
dateval returns [ int result ]
@init { $result = 0; }
dateval returns [ pANTLR3_STRING result ]
@init { $result = NULL; }
: DATE
{
pANTLR3_UINT8 datval;
datval = $DATE.text->chars;
$result = $DATE.text->factory->newRaw($DATE.text->factory);
if (strcmp((char *)datval, "today") == 0)
{
$result = startoftoday();
}
else if (strcmp((char *)datval, "yesterday") == 0)
{
$result = startoftoday() - 24 * 3600;
}
else if (strcmp((char *)datval, "last week") == 0)
{
$result = startoftoday() - 24 * 3600 * 7;
}
else if (strcmp((char *)datval, "last month") == 0)
{
$result = startoftoday() - 24 * 3600 * 30;
}
else if (strcmp((char *)datval, "last year") == 0)
{
$result = startoftoday() - 24 * 3600 * 365;
}
else
{
struct tm tm;
char year[5];
char month[3];
char day[3];
memset((void*)&tm,0,sizeof(tm));
memset(year, 0, sizeof(year));
memset(month, 0, sizeof(month));
memset(day, 0, sizeof(day));
strncpy(year, (const char *)datval, 4);
strncpy(month, (const char *)datval + 5, 2);
strncpy(day, (const char *)datval + 8, 2);
tm.tm_year = atoi(year) - 1900;
tm.tm_mon = atoi(month) - 1;
tm.tm_mday = atoi(day);
$result = mktime(&tm);
}
append_date($result, (const char *)datval, 0, NULL);
}
| interval BEFORE DATE
{
pANTLR3_UINT8 datval;
datval = $DATE.text->chars;
if (strcmp((char *)datval, "yesterday") == 0)
{
$result = startoftoday() - 24 * 3600;
}
else if (strcmp((char *)datval, "last week") == 0)
{
$result = startoftoday() - 24 * 3600 * 7;
}
else if (strcmp((char *)datval, "last month") == 0)
{
$result = startoftoday() - 24 * 3600 * 30;
}
else if (strcmp((char *)datval, "last year") == 0)
{
$result = startoftoday() - 24 * 3600 * 365;
}
else
{
$result = startoftoday(NULL);
}
$result = $result - $interval.result;
$result = $DATE.text->factory->newRaw($DATE.text->factory);
append_date($result, (const char *)$DATE.text->chars, '-', (const char *)$interval.result->chars);
}
| interval AFTER DATE
{
pANTLR3_UINT8 datval;
datval = $DATE.text->chars;
if (strcmp((char *)datval, "yesterday") == 0)
{
$result = startoftoday() - 24 * 3600;
}
else if (strcmp((char *)datval, "last week") == 0)
{
$result = startoftoday() - 24 * 3600 * 7;
}
else if (strcmp((char *)datval, "last month") == 0)
{
$result = startoftoday() - 24 * 3600 * 30;
}
else if (strcmp((char *)datval, "last year") == 0)
{
$result = startoftoday() - 24 * 3600 * 365;
}
else
{
$result = startoftoday();
}
$result = $result + $interval.result;
$result = $DATE.text->factory->newRaw($DATE.text->factory);
append_date($result, (const char *)$DATE.text->chars, '+', (const char *)$interval.result->chars);
}
| interval AGO
{
$result = startoftoday() - $interval.result;
$result = $AGO.text->factory->newRaw($AGO.text->factory);
append_date($result, "today", '-', (const char *)$interval.result->chars);
}
;
interval returns [ int result ]
@init { $result = 0; }
interval returns [ pANTLR3_STRING result ]
@init { $result = NULL; }
: INT DATINTERVAL
{
pANTLR3_UINT8 interval;
$result = atoi((const char *)$INT.text->chars);
int intval;
char buf[25];
$result = $DATINTERVAL.text->factory->newRaw($DATINTERVAL.text->factory);
// SQL doesnt have a modifer for 'week' but for day/hr/min/sec/month/yr
interval = $DATINTERVAL.text->chars;
if (strcmp((char *)interval, "days") == 0)
if (strcmp((char *)interval, "weeks") == 0)
{
$result = $result * 24 * 3600;
}
else if (strcmp((char *)interval, "weeks") == 0)
{
$result = $result * 24 * 3600 * 7;
}
else if (strcmp((char *)interval, "months") == 0)
{
$result = $result * 24 * 3600 * 30;
}
else if (strcmp((char *)interval, "weeks") == 0)
{
$result = $result * 24 * 3600 * 365;
intval = atoi((const char *)$INT.text->chars) * 7;
snprintf(buf, sizeof(buf), "\%d days", intval);
$result->append8($result, buf);
}
else
{
$result = 0;
$result->append8($result, (const char *)$INT.text->chars);
$result->append8($result, " ");
$result->append8($result, (const char *)$DATINTERVAL.text->chars);
}
return $result;
}
;