feat: getECfromGEM to copy from model.eccodes

And rename getECCodes to getECfromDatabase

geckomat/get_enzyme_data/getECfromGEM.m

@@ -0,0 +1,27 @@
+function model = getECfromGEM(model, ecRxns)
+% getECfromGEM
+%   Use the model.eccodes to populates the model.ec.eccodes field.
+%
+% Input:
+%   model           ec-model in GECKO 3 format
+%   ecRxns          logical of length model.ec.rxns that specifies for
+%                   which reactions the existing model.ec.eccodes entry
+%                   should be kept and not modified by this function
+%                   (optional, by default all model.ec.eccodes entries
+%                   are populated by this function)
+%
+% Output:
+%   model           ec-model with populated model.ec.eccodes
+
+if ~isfield(model,'eccodes')
+    error('The model has no eccodes field.')
+end
+
+rxnIdxs = getIndexes(model,model.ec.rxns,'rxns');
+
+if nargin<2 || all(ecRxns)
+    model.ec.eccodes = model.eccodes(rxnIdxs);
+else
+    model.ec.eccodes(ecRxns) = model.eccodes(rxnIdxs(ecRxns));
+end
+end