DB: get file list.

src/db.h

@@ -1,3 +1,5 @@
+#ifndef DB_H
+#define DB_H
 #include "main.h"
 #include <stdint.h>
 
@@ -21,15 +23,21 @@ typedef struct {
   int user_id;
 } i_get_file_db;
 
-typedef struct {
-    int user_id; // TODO: implement
-    char *name; // TODO: implement
-    int limit;
-    int offset;
-    char sort_by[12];
-} i_get_files_db;
+enum sort_direction { ASC, DESC };
+enum sort_by { ID, NAME, CREATED_AT, USER_ID };
 
+typedef struct {
+  uint32_t user_id; // TODO: implement
+  char name[12]; // TODO: implement
+  uint32_t limit;
+  uint32_t offset;
+  enum sort_by sort_by;
+  enum sort_direction sort_direction;
+} i_get_files_db;
 
 int init_db_connection();
 int db_user_auth(i_auth_t *credentials, o_auth_t *response);
 int db_save_file(session *s);
+uint64_t db_get_files_data(i_get_files_db *arg, fl_t **fl_start,
+                           uint64_t *full_count);
+#endif