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#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <libical/ical.h>
#include "sqlite/sqlite3.h"
static const char *DATABASE = "booking.db";
static char *SCHEMA = "CREATE TABLE event ("
" start TIMESTAMP,"
" end TIMESTAMP,"
" summary TEXT"
")";
static char *
read_stream(char *s, size_t size, void *d)
{
return fgets(s, (int)size, (FILE *)d);
}
static void
component(sqlite3 *db, icalcomponent *c)
{
struct icaltimetype dts = icalcomponent_get_dtstart(c);
struct icaltimetype dte = icalcomponent_get_dtend(c);
time_t start = icaltime_as_timet(dts);
time_t end = icaltime_as_timet(dte);
const char *summary = icalcomponent_get_summary(c);
sqlite3_stmt *stmt = NULL;
const char *sql = "INSERT INTO event (start, end, summary) VALUES ("
"datetime(?, 'unixepoch'),"
"datetime(?, 'unixepoch')"
", ?)";
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL))
errx(1, "sqlite3_prepare_v2");
if (sqlite3_bind_int64(stmt, 1, start))
errx(1, "sqlite3_bind_int64");
if (sqlite3_bind_int64(stmt, 2, end))
errx(1, "sqlite3_bind_int64");
if (sqlite3_bind_text(stmt, 3, summary, -1, SQLITE_STATIC))
errx(1, "sqlite3_bind_text");
if (SQLITE_DONE != sqlite3_step(stmt))
errx(1, "sqlite3_step");
}
int
main(void)
{
sqlite3 *db;
char *errmsg = NULL;
if (sqlite3_open(DATABASE, &db))
errx(1, "sqlite3_open: %s", errmsg);
if (sqlite3_exec(db, SCHEMA, NULL, NULL, &errmsg))
errx(1, "sqlite3_exec: %s", errmsg);
icalparser *parser = icalparser_new();
assert(parser);
FILE *stream = stdin;
assert(stream);
if (sqlite3_exec(db, "BEGIN", NULL, NULL, &errmsg))
errx(1, "sqlite3_exec: %s", errmsg);
icalparser_set_gen_data(parser, stream);
for (;;) {
char *line = icalparser_get_line(parser, read_stream);
if (!line) {
break;
}
icalcomponent *c = icalparser_add_line(parser, line);
if (!c) {
continue;
}
for (icalcompiter i = icalcomponent_begin_component(
c, ICAL_VEVENT_COMPONENT);
icalcompiter_deref(&i); icalcompiter_next(&i)) {
icalcomponent *ic = icalcompiter_deref(&i);
component(db, ic);
}
icalcomponent_free(c);
}
if (sqlite3_exec(db, "COMMIT", NULL, NULL, &errmsg))
errx(1, "sqlite3_exec: %s", errmsg);
icalparser_free(parser);
sqlite3_close(db);
}
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