diff options
Diffstat (limited to 'courses.go')
| -rw-r--r-- | courses.go | 110 |
1 files changed, 0 insertions, 110 deletions
@@ -29,11 +29,6 @@ import ( "github.com/coder/websocket" ) -type ( - courseTypeT string - courseGroupT string -) - type courseT struct { /* * Selected is usually accessed atomically, but a lock is still @@ -55,44 +50,6 @@ type courseT struct { Usems sync.Map /* string, *usemT */ } -const ( - sport courseTypeT = "Sport" - nonSport courseTypeT = "Non-sport" -) - -var courseTypes = map[courseTypeT]struct{}{ - sport: {}, - nonSport: {}, -} - -const ( - mw1 courseGroupT = "MW1" - mw2 courseGroupT = "MW2" - mw3 courseGroupT = "MW3" - tt1 courseGroupT = "TT1" - tt2 courseGroupT = "TT2" - tt3 courseGroupT = "TT3" -) - -var courseGroups = map[courseGroupT]string{ - mw1: "Monday/Wednesday CCA1", - mw2: "Monday/Wednesday CCA2", - mw3: "Monday/Wednesday CCA3", - tt1: "Tuesday/Thursday CCA1", - tt2: "Tuesday/Thursday CCA2", - tt3: "Tuesday/Thursday CCA3", -} - -func checkCourseType(ct courseTypeT) bool { - _, ok := courseTypes[ct] - return ok -} - -func checkCourseGroup(cg courseGroupT) bool { - _, ok := courseGroups[cg] - return ok -} - var courses sync.Map /* int, *courseT */ var numCourses uint32 /* atomic */ @@ -172,73 +129,6 @@ func setupCourses(ctx context.Context) error { return nil } -type userCourseGroupsT map[courseGroupT]struct{} - -func populateUserCourseGroups( - ctx context.Context, - userCourseGroups *userCourseGroupsT, - userID string, -) error { - rows, err := db.Query( - ctx, - "SELECT courseid FROM choices WHERE userid = $1", - userID, - ) - if err != nil { - return fmt.Errorf( - "%w: %w", - errUnexpectedDBError, - err, - ) - } - for { - if !rows.Next() { - err := rows.Err() - if err != nil { - return fmt.Errorf( - "%w: %w", - errUnexpectedDBError, - err, - ) - } - break - } - var thisCourseID int - err := rows.Scan(&thisCourseID) - if err != nil { - return fmt.Errorf( - "%w: %w", - errUnexpectedDBError, - err, - ) - } - var thisGroupName courseGroupT - _course, ok := courses.Load(thisCourseID) - if !ok { - return fmt.Errorf( - "%w: %d", - errNoSuchCourse, - thisCourseID, - ) - } - course, ok := _course.(*courseT) - if !ok { - panic("courses map has non-\"*courseT\" items") - } - thisGroupName = course.Group - if _, ok := (*userCourseGroups)[thisGroupName]; ok { - return fmt.Errorf( - "%w: user %v, group %v", - errMultipleChoicesInOneGroup, - userID, - thisGroupName, - ) - } - (*userCourseGroups)[thisGroupName] = struct{}{} - } - return nil -} - func (course *courseT) decrementSelectedAndPropagate( ctx context.Context, conn *websocket.Conn, |