feat: rotated table display

routes/room_page_templates_preview.go

@@ -4,6 +4,7 @@ import (
 	"embed"
 	"html/template"
 	"log"
+	"math"
 	"net/http"
 	"slices"
 
@@ -21,6 +22,7 @@ type personData struct {
 	IsRaised  bool
 	Raised    rooms.HandGesture
 	Mark      rooms.HandGesture
+	Index     int
 }
 
 var brickColors = map[rooms.HandGesture]template.CSS{
@@ -31,13 +33,29 @@ var brickColors = map[rooms.HandGesture]template.CSS{
 	rooms.ChangeTopic: "--change-topic-color",
 }
 
-func personsFromRoom(room rooms.Room) []personData {
+type roomTableData struct {
+	Persons []personData
+	Total   int
+	Tangens float64
+}
+
+func personsFromRoom(room rooms.Room) roomTableData {
 	// TODO start from the 'logged in person'
-	result := make([]personData, 0, len(room.Paricipants))
-	for _, pId := range room.Paricipants {
-		result = append(result, personDataFromRoom(room, pId))
+	total := len(room.Paricipants)
+	persons := make([]personData, 0, total)
+	tangens := math.Tan(math.Pi / float64(total)) // Math.tan(Math.PI/m);
+	// tangens = math.Round(tangens*100) / 100
+	for i, pId := range room.Paricipants {
+		personData := personDataFromRoom(room, pId)
+		personData.Index = i
+		// personData.Tan = math.Round(tangens*100)/100
+		persons = append(persons, personData)
+	}
+	return roomTableData{
+		Persons: persons,
+		Total:   total,
+		Tangens: tangens,
 	}
-	return result
 }
 
 func personDataFromRoom(room rooms.Room, pId rooms.PersonId) personData {
@@ -180,7 +198,7 @@ func roomTemplatesPreview(
 				},
 			},
 			TestPerson: testPersonData,
-			ARoom: aRoom,
+			ARoom:      aRoom,
 		}
 
 		pageData := pageData{
@@ -192,7 +210,7 @@ func roomTemplatesPreview(
 		tmpl := template.Must(template.New("").Funcs(template.FuncMap{
 			"bricksForPerson": bricksForPerson,
 			"personsFromRoom": personsFromRoom,
-		}).ParseFS(templateFs, baseFile ,
+		}).ParseFS(templateFs, baseFile,
 			"templates/tableTemplates.gohtml",
 			"templates/tableTemplatesPreview.gohtml",
 		))