111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
package fic
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import (
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"time"
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)
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// Event represents a challenge event.
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type Event struct {
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Id int64 `json:"id"`
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Kind string `json:"kind"`
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Text string `json:"txt"`
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Time time.Time `json:"time"`
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}
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// GetLastEvents returns the list of the last 10 events, sorted by date, last first
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func GetLastEvents() ([]Event, error) {
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if rows, err := DBQuery("SELECT id_event, txt, kind, time FROM events ORDER BY time DESC LIMIT 10"); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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var events = make([]Event, 0)
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for rows.Next() {
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var e Event
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if err := rows.Scan(&e.Id, &e.Text, &e.Kind, &e.Time); err != nil {
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return nil, err
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}
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events = append(events, e)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return events, nil
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}
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}
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// GetEvents returns the list of all events, sorted by date, last first
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func GetEvents() ([]*Event, error) {
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if rows, err := DBQuery("SELECT id_event, txt, kind, time FROM events ORDER BY time DESC"); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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var events []*Event
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for rows.Next() {
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e := &Event{}
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if err := rows.Scan(&e.Id, &e.Text, &e.Kind, &e.Time); err != nil {
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return nil, err
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}
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events = append(events, e)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return events, nil
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}
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}
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// GetEvent retrieves the event with the given id
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func GetEvent(id int64) (e *Event, err error) {
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e = &Event{}
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err = DBQueryRow("SELECT id_event, txt, kind, time FROM events WHERE id_event=?", id).Scan(&e.Id, &e.Text, &e.Kind, &e.Time)
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return
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}
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// NewEvent creates a new event in the database and returns the corresponding structure
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func NewEvent(txt string, kind string) (*Event, error) {
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if res, err := DBExec("INSERT INTO events (txt, kind, time) VALUES (?, ?, ?)", txt, kind, time.Now()); err != nil {
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return nil, err
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} else if eid, err := res.LastInsertId(); err != nil {
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return nil, err
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} else {
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return &Event{eid, txt, kind, time.Now()}, nil
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}
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}
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// Update applies modifications back to the database
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func (e *Event) Update() (int64, error) {
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if res, err := DBExec("UPDATE events SET txt = ?, kind = ?, time = ? WHERE id_event = ?", e.Text, e.Kind, e.Time, e.Id); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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// Delete the event from the database
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func (e *Event) Delete() (int64, error) {
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if res, err := DBExec("DELETE FROM events WHERE id_event = ?", e.Id); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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// ClearEvents removes all events from database
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func ClearEvents() (int64, error) {
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if res, err := DBExec("DELETE FROM events"); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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