101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
package pis
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import (
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"fmt"
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"sort"
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"strings"
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"git.fjla.uk/owlboard/go-types/pkg/database"
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"git.fjla.uk/owlboard/timetable-mgr/dbAccess"
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"git.fjla.uk/owlboard/timetable-mgr/log"
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"go.uber.org/zap"
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"gopkg.in/yaml.v3"
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)
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// Process the YAML data to a struct
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func processYaml(yamlStr string) (*[]database.PIS, error) {
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// Define 'container' struct
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var pisData struct {
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Pis []PisData `yaml:"pis"`
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}
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// Unmarshal the YAML data into the structure
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err := yaml.Unmarshal([]byte(yamlStr), &pisData)
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if err != nil {
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return nil, fmt.Errorf("failed to unmarshal YAML: %v", err)
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}
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/* DISABLE DEDUPLICATION - Add 'dupe' flag and have backend handle duplicates?
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// Perform deduplication on the entire pis slice
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err = deduplicateCodes(&pisData.Pis)
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if err != nil {
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return nil, err
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}
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*/
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documents, err := convertPisForDatabase(&pisData.Pis)
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if err != nil {
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return nil, err
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}
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return documents, nil
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}
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// Deduplicate data in place and return error if failed
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func deduplicateCodes(pis *[]PisData) error {
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uniqueStops := make(map[string]bool)
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var dedupedPis []PisData
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for _, data := range *pis {
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stopsKey := stopsToString(data.Stops)
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// If stopsKey does not exist, add to map
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if _, exists := uniqueStops[stopsKey]; !exists {
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uniqueStops[stopsKey] = true
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dedupedPis = append(dedupedPis, data)
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}
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}
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*pis = dedupedPis
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return nil
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}
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// Join slice elements to a string for comparison
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func stopsToString(stops []string) string {
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sort.Strings(stops)
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return strings.Join(stops, ",")
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}
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// Convert PisData to database.PIS
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func convertPisForDatabase(in *[]PisData) (*[]database.PIS, error) {
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var out []database.PIS
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for _, code := range *in {
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var document database.PIS
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document.Code = code.Code
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document.Operator = code.Toc
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document.Stops = code.Stops
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document.Tiplocs = GetTiplocsFromCrs(code.Stops)
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out = append(out, document)
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}
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return &out, nil
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}
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// Return a list of TIPLOCS from a list of CRS using Database Lookups
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func GetTiplocsFromCrs(crsList []string) (TiplocList []string) {
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for _, crs := range crsList {
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alpha := strings.ToUpper(crs)
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tiploc, err := dbAccess.GetTiplocFromCrs(alpha)
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if err != nil {
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log.Warn("Unable to find matching TIPLOC for 3ALPHA", zap.String("3ALPHA", alpha), zap.Error(err))
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return
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}
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TiplocList = append(TiplocList, strings.ToUpper(tiploc))
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}
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return
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}
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