/
isrPrintingExpanded.go
93 lines (75 loc) · 2.13 KB
/
isrPrintingExpanded.go
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package reports
import (
"encoding/csv"
"fmt"
"github.com/nsip/dev-nrt/records"
"github.com/tidwall/sjson"
)
type IsrPrintingExpanded struct {
baseReport // embed common setup capability
}
//
// ISR Score summaries with extened personal and response info
//
func IsrPrintingExpandedReport() *IsrPrintingExpanded {
r := IsrPrintingExpanded{}
r.initialise("./config/IsrPrintingExpanded.toml")
r.printStatus()
return &r
}
//
// implement the ...Pipe interface, core work of the
// report engine.
//
func (r *IsrPrintingExpanded) ProcessStudentRecords(in chan *records.StudentOrientedRecord) chan *records.StudentOrientedRecord {
out := make(chan *records.StudentOrientedRecord)
go func() {
defer close(out)
// open the csv file writer, and set the header
w := csv.NewWriter(r.outF)
defer r.outF.Close()
w.Write(r.config.header)
defer w.Flush()
for sor := range in {
if !r.config.activated { // only process if activated
out <- sor
continue
}
//
// generate any calculated fields required
//
sor.CalculatedFields = r.calculateFields(sor)
//
// now loop through the ouput definitions to create a
// row of results
//
var result string
var row []string = make([]string, 0, len(r.config.queries))
for _, query := range r.config.queries {
result = sor.GetValueString(query)
row = append(row, result)
}
// write the row to the output file
if err := w.Write(row); err != nil {
fmt.Println("Warning: error writing record to csv:", r.config.name, err)
}
out <- sor
}
}()
return out
}
//
// generates a block of json that can be added to the
// record containing values that are not in the original data
//
//
func (r *IsrPrintingExpanded) calculateFields(sor *records.StudentOrientedRecord) []byte {
json := sor.CalculatedFields // maintain exsting calc fields
//
// the expanded ISR has slots for student address info, but these are not supplied by the RRD
// so we add a generic placeholder, the columns can't be removed as they are input to
// downstream printing systems
//
json, _ = sjson.SetBytes(json, "CalculatedFields.AddressPlaceholder", "")
return json
}