added team view to season_leagues

internal/validation/boolfield.go

@@ -0,0 +1,24 @@
+package validation
+
+import (
+	"fmt"
+	"strconv"
+)
+
+type BoolField struct {
+	FieldBase
+	Value bool
+}
+
+func newBoolField(key string, g Getter) *BoolField {
+	raw := g.Get(key)
+	val, err := strconv.ParseBool(raw)
+	if err != nil {
+		g.AddCheck(newFailedCheck("Invalid boolean value",
+			fmt.Sprintf("Field %s requires a boolean value, %s given", key, raw)))
+	}
+	return &BoolField{
+		newField(key, g),
+		val,
+	}
+}