Add tracker pattern detail page with properties and detected trackers sections

Signed-off-by: Émile Ré <emile@probo.com>

pkg/coredata/detected_tracker.go

@@ -23,6 +23,7 @@ import (
 	"github.com/jackc/pgx/v5"
 	"go.gearno.de/kit/pg"
 	"go.probo.inc/probo/pkg/gid"
+	"go.probo.inc/probo/pkg/page"
 )
 
 type (
@@ -45,6 +46,21 @@ type (
 	DetectedTrackers []*DetectedTracker
 )
 
+func (dt *DetectedTracker) CursorKey(field DetectedTrackerOrderField) page.CursorKey {
+	switch field {
+	case DetectedTrackerOrderFieldInitiatorURL:
+		if dt.InitiatorURL == nil {
+			return page.NewCursorKey(dt.ID, "")
+		}
+
+		return page.NewCursorKey(dt.ID, *dt.InitiatorURL)
+	case DetectedTrackerOrderFieldLastDetectedAt:
+		return page.NewCursorKey(dt.ID, dt.LastDetectedAt)
+	}
+
+	panic(fmt.Sprintf("unsupported order by: %s", field))
+}
+
 func (dt *DetectedTracker) Upsert(
 	ctx context.Context,
 	tx pg.Tx,
@@ -183,6 +199,59 @@ LIMIT @limit;
 	return domains, nil
 }
 
+func (dts *DetectedTrackers) LoadByTrackerPatternID(
+	ctx context.Context,
+	conn pg.Querier,
+	scope Scoper,
+	trackerPatternID gid.GID,
+	cursor *page.Cursor[DetectedTrackerOrderField],
+) error {
+	q := `
+SELECT
+	id,
+	cookie_banner_id,
+	tracker_pattern_id,
+	tracker_type,
+	identifier,
+	max_age_seconds,
+	source,
+	value_size,
+	initiator_url,
+	initiator_domain,
+	last_detected_at,
+	created_at,
+	updated_at
+FROM
+	detected_trackers
+WHERE
+	%s
+	AND tracker_pattern_id = @tracker_pattern_id
+	AND %s
+`
+
+	q = fmt.Sprintf(q, scope.SQLFragment(), cursor.SQLFragment())
+
+	args := pgx.StrictNamedArgs{
+		"tracker_pattern_id": trackerPatternID,
+	}
+	maps.Copy(args, scope.SQLArguments())
+	maps.Copy(args, cursor.SQLArguments())
+
+	rows, err := conn.Query(ctx, q, args)
+	if err != nil {
+		return fmt.Errorf("cannot query detected trackers: %w", err)
+	}
+
+	trackers, err := pgx.CollectRows(rows, pgx.RowToAddrOfStructByName[DetectedTracker])
+	if err != nil {
+		return fmt.Errorf("cannot collect detected trackers: %w", err)
+	}
+
+	*dts = trackers
+
+	return nil
+}
+
 func (dts *DetectedTrackers) RelinkByTrackerPatternID(
 	ctx context.Context,
 	tx pg.Tx,

pkg/coredata/detected_tracker_order_field.go

@@ -0,0 +1,84 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package coredata
+
+import (
+	"encoding"
+	"fmt"
+
+	"go.probo.inc/probo/pkg/page"
+)
+
+type DetectedTrackerOrderField string
+
+const (
+	DetectedTrackerOrderFieldInitiatorURL   DetectedTrackerOrderField = "INITIATOR_URL"
+	DetectedTrackerOrderFieldLastDetectedAt DetectedTrackerOrderField = "LAST_DETECTED_AT"
+)
+
+var (
+	_ page.OrderField          = DetectedTrackerOrderField("")
+	_ fmt.Stringer             = DetectedTrackerOrderField("")
+	_ encoding.TextMarshaler   = DetectedTrackerOrderField("")
+	_ encoding.TextUnmarshaler = (*DetectedTrackerOrderField)(nil)
+)
+
+func DetectedTrackerOrderFields() []DetectedTrackerOrderField {
+	return []DetectedTrackerOrderField{
+		DetectedTrackerOrderFieldInitiatorURL,
+		DetectedTrackerOrderFieldLastDetectedAt,
+	}
+}
+
+func (v DetectedTrackerOrderField) IsValid() bool {
+	switch v {
+	case
+		DetectedTrackerOrderFieldInitiatorURL,
+		DetectedTrackerOrderFieldLastDetectedAt:
+		return true
+	}
+
+	return false
+}
+
+func (v DetectedTrackerOrderField) String() string {
+	return string(v)
+}
+
+func (v DetectedTrackerOrderField) MarshalText() ([]byte, error) {
+	return []byte(v.String()), nil
+}
+
+func (v *DetectedTrackerOrderField) UnmarshalText(text []byte) error {
+	val := DetectedTrackerOrderField(text)
+	if !val.IsValid() {
+		return fmt.Errorf("invalid DetectedTrackerOrderField value: %q", string(text))
+	}
+
+	*v = val
+
+	return nil
+}
+
+func (p DetectedTrackerOrderField) Column() string {
+	switch p {
+	case DetectedTrackerOrderFieldInitiatorURL:
+		return "COALESCE(initiator_url, '')"
+	case DetectedTrackerOrderFieldLastDetectedAt:
+		return "last_detected_at"
+	}
+
+	panic(fmt.Sprintf("unsupported order by: %s", p))
+}