// default setup agent
func BasicSetupAgent(request *LHRequest, params *liquidhandling.LHProperties) *LHRequest {
// this is quite tricky and requires extensive interaction with the liquid handling
// parameters
// the principal question is how to define constraints on the system
// I think this needs to remain tbd for now
// instead we can rely on the preference system I already use
plate_lookup := make(map[string]string, 5)
tip_lookup := make([]*wtype.LHTipbox, 0, 5)
tip_preferences := params.Tip_preferences
input_preferences := params.Input_preferences
output_preferences := params.Output_preferences
// how do we set the below?
// we don't know how many tips we need until we generate
// instructions; ditto input or output plates until we've done layout
// input plates
input_plates := request.Input_plates
// output plates
output_plates := request.Output_plates
// tips
tips := request.Tips
// we put tips on first
setup := request.Setup
if len(setup) == 0 {
setup = wtype.NewLHSetup()
}
for _, tb := range tips {
// get the first available position from the preferences
pos := get_first_available_preference(tip_preferences, setup)
if pos == -1 {
RaiseError("No positions left for tipbox")
}
position := "position_" + strconv.Itoa(pos)
setup[position] = tb
plate_lookup[tb.ID] = position
tip_lookup = append(tip_lookup, tb)
}
setup["tip_lookup"] = tip_lookup
// this logic may not transfer well but I expect that outputs are more constrained
// than inputs for the simple reason that most output takes place to single wells
// while input takes place from reservoirs
// outputs
for _, p := range output_plates {
pos := get_first_available_preference(output_preferences, setup)
if pos == -1 {
RaiseError("No positions left for output")
}
position := "position_" + strconv.Itoa(pos)
setup[position] = p
plate_lookup[p.ID] = position
params.AddPlate(position, p)
}
// inputs
for _, p := range input_plates {
pos := get_first_available_preference(input_preferences, setup)
if pos == -1 {
RaiseError("No positions left for input")
}
position := "position_" + strconv.Itoa(pos)
setup[position] = p
plate_lookup[p.ID] = position
params.AddPlate(position, p)
}
request.Setup = setup
request.Plate_lookup = plate_lookup
return request
}
