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/* mover.c — configurable move destinations with undo. */
#include "mover.h"
struct Mover {
GPtrArray *p_dests; /* MoverDest* (owned) */
GPtrArray *p_last_src; /* GFile* (owned, for undo) */
GPtrArray *p_last_dst; /* GFile* (owned, for undo) */
};
static void
_dest_free(gpointer p) {
MoverDest *d = (MoverDest *)p;
if (d != NULL) {
g_free(d->c_name);
g_free(d->c_path);
g_free(d);
}
}
Mover *
mover_new(void) {
Mover *m = g_new0(Mover, 1);
m->p_dests = g_ptr_array_new_with_free_func(_dest_free);
m->p_last_src = g_ptr_array_new_with_free_func(g_object_unref);
m->p_last_dst = g_ptr_array_new_with_free_func(g_object_unref);
return m;
}
void
mover_delete(Mover *m) {
if (m == NULL)
return;
g_ptr_array_unref(m->p_dests);
g_ptr_array_unref(m->p_last_src);
g_ptr_array_unref(m->p_last_dst);
g_free(m);
}
void
mover_set_dests(Mover *m, const GPtrArray *p_dests) {
g_return_if_fail(m != NULL);
g_ptr_array_set_size(m->p_dests, 0);
if (p_dests != NULL) {
for (guint i = 0; i < p_dests->len; i++) {
const MoverDest *d =
(const MoverDest *)g_ptr_array_index((GPtrArray *)p_dests, i);
MoverDest *nd = g_new(MoverDest, 1);
nd->c_name = g_strdup(d->c_name);
nd->c_path = g_strdup(d->c_path);
g_ptr_array_add(m->p_dests, nd);
}
}
}
const GPtrArray *
mover_get_dests(Mover *m) {
g_return_val_if_fail(m != NULL, NULL);
return m->p_dests;
}
gboolean
mover_move(Mover *m, GList *p_files, const MoverDest *p_dest, GError **p_err) {
g_return_val_if_fail(m != NULL, FALSE);
g_return_val_if_fail(p_dest != NULL, FALSE);
GFile *p_ddir = g_file_new_for_path(p_dest->c_path);
GError *e = NULL;
g_file_make_directory_with_parents(p_ddir, NULL, &e);
if (e != NULL && !g_error_matches(e, G_IO_ERROR, G_IO_ERROR_EXISTS)) {
g_propagate_error(p_err, e);
g_object_unref(p_ddir);
return FALSE;
}
g_clear_error(&e);
g_ptr_array_set_size(m->p_last_src, 0);
g_ptr_array_set_size(m->p_last_dst, 0);
for (GList *it = p_files; it != NULL; it = it->next) {
GFile *src = G_FILE(it->data);
char *base = g_file_get_basename(src);
GFile *dst = g_file_get_child(p_ddir, base);
g_free(base);
for (guint n = 1; g_file_query_exists(dst, NULL); n++) {
g_object_unref(dst);
/* Suffix on the stem (before the extension): a.jpg -> a-1.jpg */
char *c_b = g_file_get_basename(src);
const char *c_d = strrchr(c_b, '.');
char *c_s =
(c_d && c_d != c_b) ? g_strndup(c_b, c_d - c_b) : g_strdup(c_b);
const char *c_e = (c_d && c_d != c_b) ? c_d : "";
char *nb = g_strdup_printf("%s-%u%s", c_s, n, c_e);
g_free(c_s);
g_free(c_b);
dst = g_file_get_child(p_ddir, nb);
g_free(nb);
}
if (!g_file_move(src, dst, G_FILE_COPY_NOFOLLOW_SYMLINKS, NULL, NULL,
NULL, &e)) {
g_propagate_error(p_err, e);
g_object_unref(dst);
g_object_unref(p_ddir);
return FALSE;
}
g_ptr_array_add(m->p_last_src, g_object_ref(src));
g_ptr_array_add(m->p_last_dst, dst);
}
g_object_unref(p_ddir);
return TRUE;
}
gboolean
mover_undo_last(Mover *m, GError **p_err) {
g_return_val_if_fail(m != NULL, FALSE);
if (m->p_last_dst->len == 0)
return FALSE;
for (guint i = 0; i < m->p_last_dst->len; i++) {
GFile *dst = g_ptr_array_index(m->p_last_dst, i);
GFile *src = g_ptr_array_index(m->p_last_src, i);
GError *e = NULL;
if (!g_file_move(dst, src, G_FILE_COPY_NOFOLLOW_SYMLINKS, NULL, NULL,
NULL, &e)) {
g_propagate_error(p_err, e);
return FALSE;
}
}
g_ptr_array_set_size(m->p_last_src, 0);
g_ptr_array_set_size(m->p_last_dst, 0);
return TRUE;
}
gboolean
mover_can_undo(Mover *m) {
g_return_val_if_fail(m != NULL, FALSE);
return m->p_last_dst->len > 0;
}
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