hyf

Context-aware query service for Radroots
git clone https://radroots.dev/git/hyf.git
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demand.mojo (2085B)

      1 from std.collections import List, Optional
      2 
      3 from hyf_core.domain.product import ProductRef
      4 
      5 
      6 @fieldwise_init
      7 struct Condition(Copyable, Movable):
      8     var kind: String
      9     var strength: String
     10     var value: Optional[String]
     11 
     12 
     13 @fieldwise_init
     14 struct DemandLine(Copyable, Movable):
     15     var line_id: String
     16     var product: ProductRef
     17     var quantity_state: String
     18     var quantity_value: Int
     19     var quantity_scale: Int
     20     var unit: String
     21     var conditions: List[Condition]
     22 
     23 
     24 def condition(
     25     kind: String, strength: String, value: Optional[String]
     26 ) raises -> Condition:
     27     if kind.strip() == "":
     28         raise Error("condition kind must not be empty")
     29     var strengths = ["mandatory", "preferred", "excluded", "permitted"]
     30     var known = False
     31     for candidate in strengths:
     32         if candidate == strength:
     33             known = True
     34     if not known:
     35         raise Error("unknown condition strength: " + strength)
     36     if strength != "excluded" and not value:
     37         raise Error("non-excluded condition requires a value")
     38     return Condition(
     39         kind=String(kind), strength=String(strength), value=value.copy()
     40     )
     41 
     42 
     43 def demand_line(
     44     line_id: String,
     45     product: ProductRef,
     46     quantity_state: String,
     47     quantity_value: Int,
     48     quantity_scale: Int,
     49     conditions: List[Condition],
     50 ) raises -> DemandLine:
     51     if line_id.strip() == "":
     52         raise Error("demand line requires an id")
     53     if quantity_state != "known" and quantity_state != "unknown":
     54         raise Error("demand quantity state must be 'known' or 'unknown'")
     55     var copied = List[Condition]()
     56     for entry in conditions:
     57         copied.append(entry.copy())
     58     return DemandLine(
     59         line_id=String(line_id),
     60         product=product.copy(),
     61         quantity_state=String(quantity_state),
     62         quantity_value=quantity_value,
     63         quantity_scale=quantity_scale,
     64         unit="kg",
     65         conditions=copied^,
     66     )
     67 
     68 
     69 def condition_is_exclusion(value: Condition) -> Bool:
     70     return value.strength == "excluded"
     71 
     72 
     73 def missing_information_is_prohibition() -> Bool:
     74     return False