adding validations for apply

backend/dataconnect/connector/application/queries.gql

@@ -350,6 +350,91 @@ query getApplicationsByStaffId(
   }
 }
 
+
+query vaidateDayStaffApplication(
+  $staffId: UUID!
+  $offset: Int
+  $limit: Int
+  $dayStart: Timestamp
+  $dayEnd: Timestamp
+) @auth(level: USER) {
+  applications(
+    where: { 
+      staffId: { eq: $staffId } 
+      shift: {
+        date: { ge: $dayStart, le: $dayEnd }
+      }
+    
+    }
+    offset: $offset
+    limit: $limit
+  ) {
+    id
+    shiftId
+    staffId
+    status
+    appliedAt
+    checkInTime
+    checkOutTime
+    origin
+    createdAt
+
+    shift {
+      id
+      title
+      date
+      startTime
+      endTime
+      location
+      status
+      durationDays
+      description
+
+      order {
+        id
+        eventName
+        #location
+
+        teamHub {
+          address
+          placeId
+          hubName
+        }
+      
+        business {
+          id
+          businessName
+          email
+          contactName
+          companyLogoUrl
+        }
+        vendor {
+          id
+          companyName
+        }
+      }
+
+    }
+
+    shiftRole {
+      id
+      roleId
+      count
+      assigned
+      startTime
+      endTime
+      hours
+      totalValue
+      role {
+        id
+        name
+        costPerHour
+      }
+    }
+
+  }
+}
+
 #validation before apply 
 query getApplicationByStaffShiftAndRole(
   $staffId: UUID!