add reversible flag

src/readsbml.jl

@@ -353,6 +353,9 @@ function extractModel(mdl::VPtr)::SBML.Model
             end
         end
 
+        # explicit reversible flag (defaults to true in SBML)
+        reversible = Bool(ccall(sbml(:Reaction_getReversible), Cint, (VPtr,), re))
+
         reid = get_string(re, :Reaction_getId)
         reactions[reid] = Reaction(
             stoi,
@@ -361,6 +364,7 @@ function extractModel(mdl::VPtr)::SBML.Model
             haskey(objectives_fbc, reid) ? objectives_fbc[reid] : oc,
             association,
             math,
+            reversible,
             get_notes(re),
             get_annotation(re),
         )

src/structs.jl

@@ -117,9 +117,11 @@ struct Reaction
     oc::Float64
     gene_product_association::Maybe{GeneProductAssociation}
     kinetic_math::Maybe{Math}
+    reversible::Bool
     notes::Maybe{String}
     annotation::Maybe{String}
-    Reaction(s, l, u, o, as, km, n = nothing, an = nothing) = new(s, l, u, o, as, km, n, an)
+    Reaction(s, l, u, o, as, km, r, n = nothing, an = nothing) =
+        new(s, l, u, o, as, km, r, n, an)
 end
 
 """