jagan-parthiban commented on code in PR #7408:
URL: https://github.com/apache/trafficcontrol/pull/7408#discussion_r1164022291
##########
traffic_ops/traffic_ops_golang/servicecategory/servicecategories.go:
##########
@@ -187,3 +191,317 @@ WHERE name=$2 RETURNING last_updated`
func deleteQuery() string {
return `DELETE FROM service_category WHERE name=:name`
}
+
+// Get [Version : V5] function Process the *http.Request and writes the
response. It uses GetServiceCategory function.
+func Get(w http.ResponseWriter, r *http.Request) {
+ inf, userErr, sysErr, errCode := api.NewInfo(r, nil, nil)
+ if userErr != nil || sysErr != nil {
+ api.HandleErr(w, r, inf.Tx.Tx, errCode, userErr, sysErr)
+ return
+ }
+ defer inf.Close()
+
+ code := http.StatusOK
+ useIMS := false
+ config, e := api.GetConfig(r.Context())
+ if e == nil && config != nil {
+ useIMS = config.UseIMS
+ } else {
+ log.Warnf("Couldn't get config %v", e)
+ }
+
+ var maxTime *time.Time
+ var err error
+ var scList []tc.ServiceCategoryV5
+
+ tx := inf.Tx
+
+ scList, err, code, maxTime = GetServiceCategory(tx, inf.Params, useIMS,
r.Header)
+ if code == http.StatusNotModified {
+ w.WriteHeader(code)
+ api.WriteResp(w, r, []tc.ServiceCategoryV5{})
+ return
+ }
+
+ if code == http.StatusBadRequest {
+ api.HandleErr(w, r, inf.Tx.Tx, http.StatusBadRequest,
errors.New(err.Error()), nil)
+ return
+ }
+
+ if err != nil {
+ api.HandleErr(w, r, inf.Tx.Tx, http.StatusInternalServerError,
nil, errors.New("Service category errors: "+err.Error()))
+ return
+ }
+
+ if maxTime != nil && api.SetLastModifiedHeader(r, useIMS) {
+ api.AddLastModifiedHdr(w, *maxTime)
+ }
+
+ api.WriteResp(w, r, scList)
+}
+
+// GetServiceCategory [Version : V5] receives transactions from Get function
and returns service_categories list.
+func GetServiceCategory(tx *sqlx.Tx, params map[string]string, useIMS bool,
header http.Header) ([]tc.ServiceCategoryV5, error, int, *time.Time) {
+ var runSecond bool
+ var maxTime time.Time
+ scList := []tc.ServiceCategoryV5{}
+
+ selectQuery := `SELECT name, last_updated FROM service_category as sc`
+
+ // Query Parameters to Database Query column mappings
+ queryParamsToQueryCols := map[string]dbhelpers.WhereColumnInfo{
+ "name": {Column: "sc.name", Checker: nil},
+ }
+ if _, ok := params["orderby"]; !ok {
+ params["orderby"] = "name"
+ }
+ where, orderBy, pagination, queryValues, errs :=
dbhelpers.BuildWhereAndOrderByAndPagination(params, queryParamsToQueryCols)
+ if len(errs) > 0 {
+ return nil, util.JoinErrs(errs), http.StatusBadRequest, nil
+ }
+
+ if useIMS {
+ runSecond, maxTime = TryIfModifiedSinceQuery(header, tx, where,
queryValues)
+ if !runSecond {
+ log.Debugln("IMS HIT")
+ return scList, nil, http.StatusNotModified, &maxTime
+ }
+ log.Debugln("IMS MISS")
+ } else {
+ log.Debugln("Non IMS request")
+ }
+ query := selectQuery + where + orderBy + pagination
+ rows, err := tx.NamedQuery(query, queryValues)
+ if err != nil {
+ return nil, errors.New("service category read: error getting
service category(ies): " + err.Error()), http.StatusInternalServerError, nil
+ }
+ defer rows.Close()
+
+ for rows.Next() {
+ sc := tc.ServiceCategoryV5{}
+ if err = rows.Scan(&sc.Name, &sc.LastUpdated); err != nil {
+ return nil, errors.New("error getting service
category(ies): " + err.Error()), http.StatusInternalServerError, nil
Review Comment:
Changed it to just err
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