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filter: implement filtering for gas mixes

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This adds filter constraints for numerical filtering for gas-mixes.
Currently, this does a "match any" kind of search, which means that
a dive is filtered if any of its cylinders matches.

We should also implement "all-of" and "none-of" modes for cylinder
filtering.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-10-02 20:19:04 +02:00 • committed by Dirk Hohndel
parent 23da23a534
commit ec431155a9
2 changed files with 36 additions and 2 deletions
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35
core/filterconstraint.cpp
View file

@ -20,7 +20,8 @@ enum filter_constraint_units {
FILTER_CONSTRAINT_TEMPERATURE_UNIT,
FILTER_CONSTRAINT_WEIGHT_UNIT,
FILTER_CONSTRAINT_VOLUMETRIC_FLOW_UNIT,
FILTER_CONSTRAINT_DENSITY_UNIT
FILTER_CONSTRAINT_DENSITY_UNIT,
FILTER_CONSTRAINT_PERCENTAGE_UNIT
};
static struct type_description {
@ -66,6 +67,9 @@ static struct type_description {
{ FILTER_CONSTRAINT_LOCATION, "location", QT_TRANSLATE_NOOP("gettextFromC", "location"), true, false, false, FILTER_CONSTRAINT_NO_UNIT, 0, false, false },
{ FILTER_CONSTRAINT_WEIGHT_TYPE, "weight_type", QT_TRANSLATE_NOOP("gettextFromC", "weight type"), true, false, false, FILTER_CONSTRAINT_NO_UNIT, 0, false, false },
{ FILTER_CONSTRAINT_CYLINDER_TYPE, "cylinder_type", QT_TRANSLATE_NOOP("gettextFromC", "cylinder type"), true, false, false, FILTER_CONSTRAINT_NO_UNIT, 0, false, false },
{ FILTER_CONSTRAINT_CYLINDER_N2, "cylinder_n2", QT_TRANSLATE_NOOP("gettextFromC", "gas N₂ content"), false, true, false, FILTER_CONSTRAINT_PERCENTAGE_UNIT, 1, false, false },
{ FILTER_CONSTRAINT_CYLINDER_O2, "cylinder_o2", QT_TRANSLATE_NOOP("gettextFromC", "gas O₂ content"), false, true, false, FILTER_CONSTRAINT_PERCENTAGE_UNIT, 1, false, false },
{ FILTER_CONSTRAINT_CYLINDER_HE, "cylinder_he", QT_TRANSLATE_NOOP("gettextFromC", "gas He content"), false, true, false, FILTER_CONSTRAINT_PERCENTAGE_UNIT, 1, false, false },
{ FILTER_CONSTRAINT_SUIT, "suit", QT_TRANSLATE_NOOP("gettextFromC", "suit"), true, false, false, FILTER_CONSTRAINT_NO_UNIT, 0, false, false },
{ FILTER_CONSTRAINT_NOTES, "notes", QT_TRANSLATE_NOOP("gettextFromC", "notes"), true, false, false, FILTER_CONSTRAINT_NO_UNIT, 0, false, false },
};
@ -283,6 +287,8 @@ QString filter_constraint_get_unit(enum filter_constraint_type type)
return get_volume_unit() + "/min";
case FILTER_CONSTRAINT_DENSITY_UNIT:
return "g/ℓ";
case FILTER_CONSTRAINT_PERCENTAGE_UNIT:
return "%";
}
}
@ -307,6 +313,8 @@ static int display_to_base_unit(double f, enum filter_constraint_type type)
return prefs.units.volume == units::LITER ? lrint(f * 1000.0) : lrint(cuft_to_l(f) * 1000.0);
case FILTER_CONSTRAINT_DENSITY_UNIT:
return lrint(f * 10.0); // Yippie, only "sane" units for density (g/l)
case FILTER_CONSTRAINT_PERCENTAGE_UNIT:
return lrint(f * 10.0); // Display percent, store permille
}
}
@ -331,6 +339,8 @@ static double base_to_display_unit(int i, enum filter_constraint_type type)
return prefs.units.volume == units::LITER ? (double)i / 1000.0 : ml_to_cuft(i);
case FILTER_CONSTRAINT_DENSITY_UNIT:
return (double)i / 10.0; // Yippie, only "sane" units for density (g/l)
case FILTER_CONSTRAINT_PERCENTAGE_UNIT:
return (double)i / 10.0; // Display percent, store permille
}
}
@ -496,7 +506,7 @@ filter_constraint::filter_constraint(filter_constraint_type typeIn) :
data.numerical_range.to = year;
} else {
// For numerical data let's try to find sensible defaults based on the unit.
// Obviously, these are arbitrary and we might want to save them.
// Obviously, these are arbitrary and we might want to save the user supplied values.
switch (type_to_unit(type)) {
case FILTER_CONSTRAINT_NO_UNIT:
default:
@ -533,6 +543,11 @@ filter_constraint::filter_constraint(filter_constraint_type typeIn) :
data.numerical_range.from = 1000 * 10;
data.numerical_range.to = 1027 * 10;
break;
case FILTER_CONSTRAINT_PERCENTAGE_UNIT:
// Percentage: 0-100%
data.numerical_range.from = 0 * 10;
data.numerical_range.to = 100 * 10;
break;
}
}
}
@ -909,6 +924,16 @@ static bool check_numerical_range_non_zero(const filter_constraint &c, int v)
return check_numerical_range(c, v);
}
static bool check_gas_range(const filter_constraint &c, const struct dive *d, gas_component component)
{
for (int i = 0; i < d->cylinders.nr; ++i) {
const cylinder_t &cyl = d->cylinders.cylinders[i];
if (check_numerical_range(c, get_gas_component_fraction(cyl.gasmix, component).permille))
return true;
}
return false;
}
static long days_since_epoch(timestamp_t timestamp)
{
return timestamp / (3600 * 24);
@ -1075,6 +1100,12 @@ bool filter_constraint_match_dive(const filter_constraint &c, const struct dive
return has_weight_type(c, d);
case FILTER_CONSTRAINT_CYLINDER_TYPE:
return has_cylinder_type(c, d);
case FILTER_CONSTRAINT_CYLINDER_N2:
return check_gas_range(c, d, N2);
case FILTER_CONSTRAINT_CYLINDER_O2:
return check_gas_range(c, d, O2);
case FILTER_CONSTRAINT_CYLINDER_HE:
return check_gas_range(c, d, HE);
case FILTER_CONSTRAINT_SUIT:
return has_suits(c, d);
case FILTER_CONSTRAINT_NOTES:

3
core/filterconstraint.h
View file

@ -42,6 +42,9 @@ enum filter_constraint_type {
FILTER_CONSTRAINT_LOCATION,
FILTER_CONSTRAINT_WEIGHT_TYPE,
FILTER_CONSTRAINT_CYLINDER_TYPE,
FILTER_CONSTRAINT_CYLINDER_N2,
FILTER_CONSTRAINT_CYLINDER_O2,
FILTER_CONSTRAINT_CYLINDER_HE,
FILTER_CONSTRAINT_SUIT,
FILTER_CONSTRAINT_NOTES
};