gergely/astrognome
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add function ag_db_get_chart_data_by_id()

Browse Source 
It loads one single chart from the database and fills an AgDbSave
struct with its data
This commit is contained in:
Gergely Polonkai
2014-07-31 00:33:54 +02:00
parent bfa4cf8cca
commit ea9e4a73a5
2 changed files with 220 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

218
src/ag-db.c
View File

@@ -21,6 +21,52 @@ G_DEFINE_QUARK(ag_db_error_quark, ag_db_error);
G_DEFINE_TYPE_WITH_PRIVATE(AgDb, ag_db, G_TYPE_OBJECT);
typedef enum {
COLUMN_ID,
COLUMN_NAME,
COLUMN_COUNTRY,
COLUMN_CITY,
COLUMN_LONGITUDE,
COLUMN_LATITUDE,
COLUMN_ALTITUDE,
COLUMN_YEAR,
COLUMN_MONTH,
COLUMN_DAY,
COLUMN_HOUR,
COLUMN_MINUTE,
COLUMN_SECOND,
COLUMN_TIMEZONE,
COLUMN_HOUSE_SYSTEM,
COLUMN_NOTE,
/* Leave this as the last element */
COLUMN_COUNT
} ChartTableColumn;
typedef struct {
ChartTableColumn id;
gchar *name;
} ChartTableColumnDef;
static ChartTableColumnDef chart_table_column[] = {
{ COLUMN_ID, "id" },
{ COLUMN_NAME, "name" },
{ COLUMN_COUNTRY, "country_name" },
{ COLUMN_CITY, "city_name" },
{ COLUMN_LONGITUDE, "longitude" },
{ COLUMN_LATITUDE, "latitude" },
{ COLUMN_ALTITUDE, "altitude" },
{ COLUMN_YEAR, "year" },
{ COLUMN_MONTH, "month" },
{ COLUMN_DAY, "day" },
{ COLUMN_HOUR, "hour" },
{ COLUMN_MINUTE, "minute" },
{ COLUMN_SECOND, "second" },
{ COLUMN_TIMEZONE, "timezone" },
{ COLUMN_HOUSE_SYSTEM, "house_system" },
{ COLUMN_NOTE, "note" },
};
static void
ag_db_non_select(AgDb *db, const gchar *sql)
{
@@ -684,3 +730,175 @@ ag_db_get_chart_list(AgDb *db, GError **err)
return g_list_reverse(ret);
}
AgDbSave *
ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err)
{
AgDbSave *save_data;
const GValue *value;
GdaValueAttribute attributes;
gchar *query,
*columns;
guint i;
GdaDataModel *result;
GError *local_err = NULL;
columns = NULL;
for (i = 1; i < COLUMN_COUNT; i++) {
gchar *tmp;
if (i == 1) {
columns = g_strjoin(
", ",
chart_table_column[0].name,
chart_table_column[1].name,
NULL
);
} else {
tmp = g_strjoin(", ", columns, chart_table_column[i].name, NULL);
g_free(columns);
columns = tmp;
}
}
query = g_strdup_printf(
"SELECT %s FROM chart WHERE id = ##id::gint",
columns
);
g_free(columns);
result = ag_db_select(db, &local_err, query, "id", row_id, NULL);
g_free(query);
if (local_err && (local_err->message)) {
return NULL;
}
if (gda_data_model_get_n_rows(result) < 1) {
g_set_error(
err,
AG_DB_ERROR, AG_DB_ERROR_NO_CHART,
"Chart does not exist"
);
return NULL;
}
save_data = g_new0(AgDbSave, 1);
/* id */
value = gda_data_model_get_value_at(result, COLUMN_ID, 0, NULL);
save_data->db_id = g_value_get_int(value);
/* name */
value = gda_data_model_get_value_at(result, COLUMN_NAME, 0, NULL);
save_data->name = g_strdup(g_value_get_string(value));
/* country */
value = gda_data_model_get_value_at(result, COLUMN_COUNTRY, 0, NULL);
attributes = gda_data_model_get_attributes_at(result, COLUMN_COUNTRY, 0);
if (attributes | GDA_VALUE_ATTR_IS_NULL) {
save_data->country = NULL;
} else {
save_data->country = g_strdup(g_value_get_string(value));
}
value = gda_data_model_get_value_at(result, COLUMN_CITY, 0, NULL);
attributes = gda_data_model_get_attributes_at(result, COLUMN_CITY, 0);
if (attributes | GDA_VALUE_ATTR_IS_NULL) {
save_data->city = NULL;
} else {
save_data->city = g_strdup(g_value_get_string(value));
}
value = gda_data_model_get_value_at(
result,
COLUMN_LONGITUDE,
0,
NULL
);
save_data->longitude = g_value_get_double(value);
value = gda_data_model_get_value_at(
result,
COLUMN_LATITUDE,
0,
NULL
);
save_data->latitude = g_value_get_double(value);
value = gda_data_model_get_value_at(result, COLUMN_ALTITUDE, 0, NULL);
attributes = gda_data_model_get_attributes_at(result, COLUMN_ALTITUDE, 0);
if (attributes | GDA_VALUE_ATTR_IS_NULL) {
/* TODO: this value should be macroified */
save_data->altitude = 280.0;
} else {
save_data->altitude = g_value_get_double(value);
}
value = gda_data_model_get_value_at(result, COLUMN_YEAR, 0, NULL);
save_data->year = g_value_get_int(value);
value = gda_data_model_get_value_at(
result,
COLUMN_MONTH,
0,
NULL
);
save_data->month = g_value_get_uint(value);
value = gda_data_model_get_value_at(result, COLUMN_DAY, 0, NULL);
save_data->day = g_value_get_uint(value);
value = gda_data_model_get_value_at(result, COLUMN_HOUR, 0, NULL);
save_data->hour = g_value_get_uint(value);
value = gda_data_model_get_value_at(
result,
COLUMN_MINUTE,
0,
NULL
);
save_data->minute = g_value_get_uint(value);
value = gda_data_model_get_value_at(
result,
COLUMN_SECOND,
0,
NULL
);
save_data->second = g_value_get_uint(value);
value = gda_data_model_get_value_at(
result,
COLUMN_TIMEZONE,
0,
NULL
);
save_data->timezone = g_value_get_double(value);
value = gda_data_model_get_value_at(
result,
COLUMN_HOUSE_SYSTEM,
0,
NULL
);
save_data->house_system = g_strdup(g_value_get_string(value));
value = gda_data_model_get_value_at(result, COLUMN_NOTE, 0, NULL);
attributes = gda_data_model_get_attributes_at(result, 15, 0);
if (attributes | GDA_VALUE_ATTR_IS_NULL) {
save_data->note = NULL;
} else {
save_data->note = g_strdup(g_value_get_string(value));
}
g_object_unref(result);
return save_data;
}

2
src/ag-db.h
View File

@@ -66,6 +66,8 @@ gboolean ag_db_save_chart(AgDb *db,
GList *ag_db_get_chart_list(AgDb *db, GError **err);
AgDbSave *ag_db_get_chart_data_by_id(AgDb *db, guint row_id, GError **err);
#define AG_DB_ERROR (ag_db_error_quark())
GQuark ag_db_error_quark(void);