Resolve "Frontend for Models"

Closes #1 (closed)

aleksis/apps/lesrooster/frontend/components/ValidityRange.vue

@@ -15,6 +15,7 @@ import SchoolTermField from "aleksis.core/components/school_term/SchoolTermField
       :default-item="defaultItem"
       :get-create-data="getCreateData"
       :get-patch-data="getPatchData"
+      filter
   >
     <template #schoolTerm="{ item }">
       {{ item.schoolTerm.name }}
@@ -50,6 +51,20 @@ import SchoolTermField from "aleksis.core/components/school_term/SchoolTermField
           :min="item ? item.dateStart : undefined"
       ></date-field>
     </template>
+
+    <template #filters="{ attrs, on }">
+      <date-field
+        v-bind="attrs('date_end__gte')"
+        v-on="on('date_end__gte')"
+        :label="$t('school_term.after')"
+      />
+
+      <date-field
+        v-bind="attrs('date_start__lte')"
+        v-on="on('date_start__lte')"
+        :label="$t('school_term.before')"
+      />
+    </template>
   </inline-c-r-u-d-list>
 </template>