feat: init type for event and catalog

Author: Beforerr

src/SpaceDataModel.jl

@@ -3,9 +3,10 @@ using Accessors: @set
 import Base: size, ∘
 import Base: push!, insert!
 
-export AbstractModel, AbstractProject, AbstractInstrument, AbstractProduct, AbstractDataSet
+export AbstractModel, AbstractProject, AbstractInstrument, AbstractProduct, AbstractDataSet, AbstractCatalog, AbstractEvent
 export AbstractDataVariable
 export Project, Instrument, DataSet, LDataSet, Product
+export Event
 export abbr
 
 name(v) = v.name
@@ -17,6 +18,7 @@ include("types.jl")
 include("dataset.jl")
 include("product.jl")
 include("variable.jl")
+include("catalog.jl")
 include("methods.jl")
 
 end

src/catalog.jl

@@ -0,0 +1,12 @@
+# https://spase-group.org/data/model/spase-2.7.0/spase-2_7_0_xsd.html#http___www.spase-group.org_data_schema_Spase_Catalog
+# Listing of events or observational notes.
+abstract type AbstractCatalog <: AbstractModel end
+abstract type AbstractEvent <: AbstractModel end
+
+@kwdef struct Event <: AbstractEvent
+    start
+    stop
+    metadata = Dict()
+end
+
+(P::AbstractProduct)(e::Event) = P(e.start, e.stop)

src/methods.jl

@@ -6,4 +6,16 @@ Get the abbreviation (abbr) of a project.
 function abbr(p::Project; lowercase=true)
     ab = p.metadata["abbreviation"]
     return lowercase ? Base.lowercase(ab) : ab
-end
+end
+
+struct Extended{F,T} <: Function
+    f::F
+    left::T
+    right::T
+end
+
+Extended(f, margin) = Extended(f, margin, margin)
+
+(t::Extended)(data, t0, t1) = t.f(data, t0 - t.left, t1 + t.right)
+
+extend(p::Product, l, r=l) = @set p.transformation = Extended(func(p), l, r)