v0.1.19 - 사이드 네비게이션과 D-DAY 중복 방지 적용

backend/src/routes/goals.js

@@ -40,6 +40,39 @@ async function requireAuthenticatedUser(request, reply) {
   return user
 }
 
+function hasGoalRangeOverlap(leftStart, leftEnd, rightStart, rightEnd) {
+  return leftStart <= rightEnd && leftEnd >= rightStart
+}
+
+async function validateGoalSchedule({
+  userId,
+  activeFrom,
+  activeUntil,
+  status,
+  excludeGoalId = null,
+}) {
+  if (!activeFrom || !activeUntil || status !== 'active') {
+    return null
+  }
+
+  const existingGoals = await db
+    .select()
+    .from(goals)
+    .where(eq(goals.userId, userId))
+
+  return existingGoals.find((goal) => {
+    if (excludeGoalId && goal.id === excludeGoalId) {
+      return false
+    }
+
+    if (goal.status !== 'active' || !goal.activeFrom || !goal.activeUntil) {
+      return false
+    }
+
+    return hasGoalRangeOverlap(activeFrom, activeUntil, goal.activeFrom, goal.activeUntil)
+  }) ?? null
+}
+
 export async function registerGoalRoutes(app) {
   app.get('/api/goals', async (request, reply) => {
     const user = await requireAuthenticatedUser(request, reply)
@@ -92,6 +125,31 @@ export async function registerGoalRoutes(app) {
       })
     }
 
+    if ((payload.data.activeFrom && !payload.data.activeUntil) || (!payload.data.activeFrom && payload.data.activeUntil)) {
+      return reply.code(400).send({
+        message: '표시 시작일과 종료일은 함께 입력해 주세요.',
+      })
+    }
+
+    if (payload.data.activeFrom && payload.data.activeUntil && payload.data.activeFrom > payload.data.activeUntil) {
+      return reply.code(400).send({
+        message: '표시 종료일은 시작일보다 빠를 수 없습니다.',
+      })
+    }
+
+    const overlappedGoal = await validateGoalSchedule({
+      userId: user.id,
+      activeFrom: payload.data.activeFrom ?? null,
+      activeUntil: payload.data.activeUntil ?? null,
+      status: payload.data.status ?? 'active',
+    })
+
+    if (overlappedGoal) {
+      return reply.code(409).send({
+        message: `표시 기간이 "${overlappedGoal.title}" 목표와 겹칩니다. D-DAY 기간은 하나만 설정할 수 있습니다.`,
+      })
+    }
+
     const now = new Date()
 
     const [goal] = await db
@@ -154,6 +212,36 @@ export async function registerGoalRoutes(app) {
       })
     }
 
+    const nextActiveFrom = payload.data.activeFrom !== undefined ? payload.data.activeFrom : existingGoal.activeFrom
+    const nextActiveUntil = payload.data.activeUntil !== undefined ? payload.data.activeUntil : existingGoal.activeUntil
+    const nextStatus = payload.data.status ?? existingGoal.status
+
+    if ((nextActiveFrom && !nextActiveUntil) || (!nextActiveFrom && nextActiveUntil)) {
+      return reply.code(400).send({
+        message: '표시 시작일과 종료일은 함께 입력해 주세요.',
+      })
+    }
+
+    if (nextActiveFrom && nextActiveUntil && nextActiveFrom > nextActiveUntil) {
+      return reply.code(400).send({
+        message: '표시 종료일은 시작일보다 빠를 수 없습니다.',
+      })
+    }
+
+    const overlappedGoal = await validateGoalSchedule({
+      userId: user.id,
+      activeFrom: nextActiveFrom,
+      activeUntil: nextActiveUntil,
+      status: nextStatus,
+      excludeGoalId: existingGoal.id,
+    })
+
+    if (overlappedGoal) {
+      return reply.code(409).send({
+        message: `표시 기간이 "${overlappedGoal.title}" 목표와 겹칩니다. D-DAY 기간은 하나만 설정할 수 있습니다.`,
+      })
+    }
+
     const nextValues = {
       updatedAt: new Date(),
     }