added ExportModal

web/src/lib/ExportModal.svelte

@@ -0,0 +1,70 @@
+<script lang="ts">
+  import Modal from "./Modal.svelte";
+
+  let { onSubmitted }: { onSubmitted?: (from: Date, to: Date) => void } = $props();
+
+  let modal: Modal;
+
+  let fromDate: string | undefined = $state();
+  let toDate: string | undefined = $state();
+
+  export function open() {
+    modal.open();
+  }
+
+  function onsubmit(e: SubmitEvent) {
+    if (!fromDate || !toDate){
+      e.preventDefault();
+      return;
+    }
+    
+    let from = new Date(fromDate);
+    let to = new Date(toDate);
+
+    onSubmitted?.(from,to);
+  }
+</script>
+
+<Modal bind:this={modal}>
+  <form method="dialog" {onsubmit} class="flex flex-col">
+    <label class="form-row">
+      <span>Von:</span>
+      <input type="date" class="form-input" bind:value={fromDate} />
+    </label>
+
+    <label class="form-row">
+      <span>Bis:</span>
+      <input type="date" class="form-input" bind:value={toDate} />
+    </label>
+
+    <div class="flex justify-end mt-3">
+      <button
+        type="reset"
+        class="mr-5 px-2 py-1 bg-red-500 rounded-2xl shadow-md"
+        onclick={() => {
+          modal.close();
+
+          fromDate = undefined;
+          toDate = undefined;
+        }}>Abbrechen</button
+      >
+      <button
+        type="submit"
+        class="px-2 py-1 bg-indigo-600 rounded-2xl shadow-md hover:bg-indigo-700 transition"
+        >Export CSV</button
+      >
+    </div>
+  </form>
+</Modal>
+
+<style scoped>
+  @reference "../app.css";
+
+  .form-row {
+    @apply flex justify-between;
+  }
+
+  .form-input {
+    @apply ml-10;
+  }
+</style>