Hi
I am trying a functional solution for a recurrent problem.
I must balance 2 vectors :
I must pass from A1 to A2 with following priority: assign aval qty first
for records with the same :cat , then to needs in early :day.
Thanking in advance for any kind of help.
PS
:day in format AAAMMDD
(def A1
{:avail [
{:day 20190101 :qty 10 :mkey "AAABB" :cat "CO1"}
{:day 20190101 :qty 20 :mkey "OS100" :cat "CO1"}
{:day 20190102 :qty 50 :mkey "OS200" :cat " "}
{:day 20190103 :qty 50 :mkey "OS300" :cat " "}
{:day 20190104 :qty 40 :mkey "OS400" :cat " "}
]
:needs [
{:day 20190107 :qty -100 :mkey "OS200" :cat " "}
{:day 20190108 :qty -50 :mkey "OS300" :cat " "}
{:day 20190109 :qty -100 :mkey "OS400" :cat " "}
{:day 20190217 :qty -100 :mkey "OS100" :cat "CO1"}
]
}
)
after
(def A2
{:avail [
{:day 20190101 :qty 0 :mkey "AAABB" :cat "CO1"}
{:day 20190101 :qty 0 :mkey "OS100" :cat "CO1"}
{:day 20190102 :qty 0 :mkey "OS200" :cat " "}
{:day 20190103 :qty 0 :mkey "OS300" :cat " "}
{:day 20190104 :qty 0 :mkey "OS400" :cat " "}
]
:needs [
{:day 20190107 :qty 0 :mkey "OS200" :cat " "}
{:day 20190108 :qty -10 :mkey "OS300" :cat " "}
{:day 20190109 :qty -100 :mkey "OS400" :cat " "}
{:day 20190217 :qty -70 :mkey "OS100" :cat "CO1"}
]
}
)
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