ITWorx Pulse release export
bd774932d5
Public source validation / validate (push) Failing after 3m8s
87 lines
2.8 KiB
Go
87 lines
2.8 KiB
Go
package eventapi
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import (
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"context"
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"encoding/json"
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"errors"
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"net/http"
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"strconv"
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"time"
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"github.com/itworx/pulse/internal/auth"
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"github.com/itworx/pulse/internal/problem"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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type Event struct {
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ID string `json:"id"`
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Type string `json:"type"`
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Severity string `json:"severity"`
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EntityID *string `json:"entityId,omitempty"`
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SourceID *string `json:"sourceId,omitempty"`
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OccurredAt time.Time `json:"occurredAt"`
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ReceivedAt time.Time `json:"receivedAt"`
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Summary string `json:"summary"`
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Attributes json.RawMessage `json:"attributes"`
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CorrelationID *string `json:"correlationId,omitempty"`
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}
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type Store interface {
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List(context.Context, int) ([]Event, error)
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}
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type PostgresStore struct{ Pool *pgxpool.Pool }
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func (s PostgresStore) List(ctx context.Context, limit int) ([]Event, error) {
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if s.Pool == nil {
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return nil, errors.New("event database pool is nil")
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}
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rows, err := s.Pool.Query(ctx, `SELECT id::text,event_type,severity,entity_id::text,source_id::text,occurred_at,received_at,summary,attributes,correlation_id FROM events ORDER BY occurred_at DESC,id DESC LIMIT $1`, limit)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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items := make([]Event, 0, limit)
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for rows.Next() {
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var item Event
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if err := rows.Scan(&item.ID, &item.Type, &item.Severity, &item.EntityID, &item.SourceID, &item.OccurredAt, &item.ReceivedAt, &item.Summary, &item.Attributes, &item.CorrelationID); err != nil {
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return nil, err
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}
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items = append(items, item)
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}
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return items, rows.Err()
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}
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type Handler struct{ Store Store }
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func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet || r.URL.Path != "/api/v1/events" {
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http.NotFound(w, r)
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return
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}
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if _, ok := auth.PrincipalFromContext(r.Context()); !ok {
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problem.Write(w, r, http.StatusUnauthorized, "UNAUTHORIZED", "Authentication required", "Authentication is required to read events.", nil)
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return
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}
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limit := 100
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if raw := r.URL.Query().Get("limit"); raw != "" {
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value, err := strconv.Atoi(raw)
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if err != nil || value < 1 || value > 100 {
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problem.Write(w, r, http.StatusBadRequest, "INVALID_LIMIT", "Invalid limit", "The event limit must be between 1 and 100.", nil)
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return
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}
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limit = value
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}
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items, err := h.Store.List(r.Context(), limit)
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if err != nil {
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if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
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return
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}
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problem.Write(w, r, http.StatusServiceUnavailable, "EVENTS_UNAVAILABLE", "Events unavailable", "Gebeurtenissen konden niet worden gelezen.", nil)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Cache-Control", "private, max-age=5")
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_ = json.NewEncoder(w).Encode(map[string]any{"items": items})
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}
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