Fix SEGV when new account is saved, start allowing for consolidating media files based on contents

src/model/account.c

@@ -548,6 +548,7 @@ void account_save( struct account* a )
 {
 	char path[512];
 	get_account_path( a->id, path, 512 );
+	create_account_skeleton(a->id);
 
 	char filename[512];
 	snprintf( filename, 512, "%s/data.json", path );

src/model/media.c

@@ -14,6 +14,7 @@
 
 #define OBJ_TYPE struct media
 struct json_object_field media_layout[] = {
+	JSON_FIELD_INTEGER( duplicate_of_id, false ),
 	JSON_FIELD_STRING( content_type, false ),
 	JSON_FIELD_STRING( preview_url, false ),
 	JSON_FIELD_STRING( remote_url, false ),
@@ -46,6 +47,13 @@ struct media* media_from_id( int id )
 		return NULL;
 	}
 
+	if( m->duplicate_of_id != 0 ) {
+		int new_id = m->duplicate_of_id;
+		media_free(m);
+
+		return media_from_id( new_id );
+	}
+
 	return m;
 }
 struct media* media_from_local_uri( const char* uri )

src/model/media.h

@@ -5,6 +5,7 @@
 struct media
 {
 	int id;
+	int duplicate_of_id;
 	char* remote_url;
 	char* preview_url;
 	char* content_type;