Add 200-outcome limit guidance to discrete question error messages and guidelines

front_end/messages/cs.json

@@ -1289,7 +1289,7 @@
   "zeroPointError0": "Nulový bod není podporován pro diskrétní otázky",
   "zeroPointError1": "Nulový bod ({zeroPoint}) by neměl být mezi min ({min}) a max ({max})",
   "stepError0": "Krok nemůže být větší než polovina rozsahu: ({halfRange})",
-  "stepError1": "Krok musí být alespoň 1/200 rozsahu: ({rangePortion})",
+  "stepError1": "Krok musí být alespoň 1/200 rozsahu: ({rangePortion}). Otázky s více než 200 možnými výsledky by měly být spojité",
   "minMaxError0": "Zadejte správné hodnoty min a max",
   "minMaxError1": "Minimální hodnota by měla být menší než maximální hodnota",
   "rangeWarning0": "Upozornění: Krok nedělí rozsah rovnoměrně. Max snížen na {newMax}",

front_end/messages/en.json

@@ -1464,7 +1464,7 @@
   "zeroPointError0": "Zero point is not supported for discrete questions",
   "zeroPointError1": "Zero point ({zeroPoint}) should not be between min ({min}) and max ({max})",
   "stepError0": "Step cannot be more than half the range: ({halfRange})",
-  "stepError1": "Step must be at least 1/200 of the range: ({rangePortion})",
+  "stepError1": "Step must be at least 1/200 of the range: ({rangePortion}). Questions that have more than 200 possible outcomes should be continuous",
   "minMaxError0": "Provide correct min and max values",
   "minMaxError1": "Minimum value should be less than maximum value",
   "rangeWarning0": "Warning: Step does not divide the range evenly. Max reduced to {newMax}",

front_end/messages/es.json

@@ -1288,7 +1288,7 @@
   "zeroPointError0": "El punto cero no está permitido para preguntas discretas",
   "zeroPointError1": "El punto cero ({zeroPoint}) no debe estar entre min ({min}) y max ({max})",
   "stepError0": "El paso no puede ser mayor que la mitad del rango: ({halfRange})",
-  "stepError1": "El paso debe ser al menos 1/200 del rango: ({rangePortion})",
+  "stepError1": "El paso debe ser al menos 1/200 del rango: ({rangePortion}). Las preguntas que tienen más de 200 resultados posibles deben ser continuas",
   "minMaxError0": "Proporcione valores correctos de mínimo y máximo",
   "minMaxError1": "El valor mínimo debe ser menor que el valor máximo",
   "rangeWarning0": "Advertencia: El paso no divide el rango de manera uniforme. Max reducido a {newMax}",

front_end/messages/pt.json

@@ -1286,7 +1286,7 @@
   "zeroPointError0": "Ponto zero não é suportado para perguntas discretas",
   "zeroPointError1": "O ponto zero ({zeroPoint}) não deve estar entre o mínimo ({min}) e o máximo ({max})",
   "stepError0": "O passo não pode ser maior que a metade do intervalo: ({halfRange})",
-  "stepError1": "O passo deve ser pelo menos 1/200 do intervalo: ({rangePortion})",
+  "stepError1": "O passo deve ser pelo menos 1/200 do intervalo: ({rangePortion}). Perguntas com mais de 200 resultados possíveis devem ser contínuas",
   "minMaxError0": "Forneça valores mínimos e máximos corretos",
   "minMaxError1": "O valor mínimo deve ser menor que o valor máximo",
   "rangeWarning0": "Aviso: O passo não divide o intervalo de forma uniforme. Máximo reduzido para {newMax}",

front_end/messages/zh-TW.json

@@ -1285,7 +1285,7 @@
   "zeroPointError0": "不支持離散問題的零點",
   "zeroPointError1": "零點 ({zeroPoint}) 不應位於最小值 ({min}) 和最大值 ({max}) 之間",
   "stepError0": "步驟不能超過範圍的一半: ({halfRange})",
-  "stepError1": "步驟至少必須是範圍的1/200: ({rangePortion})",
+  "stepError1": "步驟至少必須是範圍的1/200: ({rangePortion})。超過200個可能結果的問題應使用連續類型",
   "minMaxError0": "提供正確的最小值和最大值",
   "minMaxError1": "最小值應小於最大值",
   "rangeWarning0": "警告：步驟無法均等地劃分範圍。最大值減至 {newMax}",

front_end/messages/zh.json

@@ -1291,7 +1291,7 @@
   "zeroPointError0": "不支持离散问题的零点",
   "zeroPointError1": "零点 ({zeroPoint}) 不应在最小值 ({min}) 和最大值 ({max}) 之间",
   "stepError0": "步长不能超过范围的一半: ({halfRange})",
-  "stepError1": "步长必须至少是范围的1/200: ({rangePortion})",
+  "stepError1": "步长必须至少是范围的1/200: ({rangePortion})。超过200个可能结果的问题应使用连续类型",
   "minMaxError0": "请提供正确的最小值和最大值",
   "minMaxError1": "最小值应小于最大值",
   "rangeWarning0": "警告: 步长不能平均划分范围。最大值减少到 {newMax}",

front_end/src/app/(main)/question-writing/page.tsx

@@ -270,6 +270,13 @@ export default function QuestionChecklist() {
             enough that the true value is very unlikely to fall outside, but no
             wider.
           </li>
+          <li>
+            <strong>
+              Discrete questions should have at most 200 possible outcomes.
+            </strong>{" "}
+            Questions that have more than 200 possible outcomes should use the
+            continuous question type instead.
+          </li>
           <li>
             <strong>Double check.</strong> Proof-read your submission,
             double-check your resolution conditions and ranges, and make sure

questions/serializers/common.py

@@ -217,6 +217,17 @@ def validate(self, data: dict):
                 errors.append("Range Max is required for continuous questions")
             if data.get("range_min") is None:
                 errors.append("Range Min is required for continuous questions")
+        if question_type == Question.QuestionType.DISCRETE:
+            inbound_outcome_count = data.get("inbound_outcome_count")
+            if (
+                inbound_outcome_count is not None
+                and inbound_outcome_count > DEFAULT_INBOUND_OUTCOME_COUNT
+            ):
+                errors.append(
+                    f"Discrete questions cannot have more than "
+                    f"{DEFAULT_INBOUND_OUTCOME_COUNT} outcomes. "
+                    f"Consider using a continuous question type instead."
+                )
 
         if errors:
             raise serializers.ValidationError(errors)