First cut of explicit trip tracking

[ext/subsurface.git] / dive.h

diff --git a/dive.h b/dive.h
index cc27ab861d8622d3482799a45b773c53a791ef48..65b812b06aaa615c02fa26e97c76317fde152cfe 100644 (file)
--- a/dive.h
+++ b/dive.h
@@ -234,8 +234,12 @@ struct event {
 #define W_IDX_PRIMARY 0
 #define W_IDX_SECONDARY 1
 
+typedef enum { TF_NONE, NO_TRIP, IN_TRIP, NUM_TRIPFLAGS } tripflag_t;
+extern const char *tripflag_names[NUM_TRIPFLAGS];
+
 struct dive {
        int number;
+       tripflag_t tripflag;
        int selected;
        time_t when;
        char *location;
@@ -256,6 +260,27 @@ struct dive {
        struct sample sample[];
 };
 
+extern GList *dive_trip_list;
+extern gboolean autogroup;
+/* random threashold: three days without diving -> new trip
+ * this works very well for people who usually dive as part of a trip and don't
+ * regularly dive at a local facility; this is why trips are an optional feature */
+#define TRIP_THRESHOLD 3600*24*3
+
+#define UNGROUPED_DIVE(_dive) ((_dive)->tripflag == NO_TRIP)
+#define DIVE_IN_TRIP(_dive) ((_dive)->tripflag == IN_TRIP)
+#define NEXT_TRIP(_entry, _list) ((_entry) ? g_list_next(_entry) : (_list))
+#define PREV_TRIP(_entry, _list) ((_entry) ? g_list_previous(_entry) : g_list_last(_list))
+#define DIVE_TRIP(_trip) ((struct dive *)(_trip)->data)
+#define DIVE_FITS_TRIP(_dive, _dive_trip) ((_dive_trip)->when - TRIP_THRESHOLD <= (_dive)->when)
+
+static inline int dive_date_cmp(gconstpointer _a, gconstpointer _b) {
+       return ((struct dive *)(_a))->when - ((struct dive *)(_b))->when;
+}
+
+#define INSERT_TRIP(_trip, _list) g_list_insert_sorted((_list), (_trip), dive_date_cmp)
+#define FIND_TRIP(_trip, _list) g_list_find_custom((_list), (_trip), dive_date_cmp)
+
 /*
  * We keep our internal data in well-specified units, but
  * the input and output may come in some random format. This