implemented year select for export csv

web/src/lib/ExportModal.svelte

@@ -1,41 +1,105 @@
 <script lang="ts">
   import Modal from "./Modal.svelte";
 
-  let { onSubmitted }: { onSubmitted?: (from: Date, to: Date) => void } = $props();
+  let { onSubmitted }: { onSubmitted?: (from: Date, to: Date) => void } =
+    $props();
 
   let modal: Modal;
 
   let fromDate: string | undefined = $state();
   let toDate: string | undefined = $state();
 
+  let selectedYear: number = $state(new Date().getFullYear());
+
+  let selectedTab = $state(0);
+
   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);
+  function generateYears() {
+    const currentYear = new Date().getFullYear();
+    const startingYear = 2020;
 
-    onSubmitted?.(from,to);
+    return Array.from(
+      new Array(currentYear + 1 - startingYear),
+      (_, i) => i + startingYear,
+    );
+  }
+
+  function onsubmit(e: SubmitEvent) {
+    let from: Date;
+    let to: Date;
+
+    switch (selectedTab) {
+      case 0:
+        if (!fromDate || !toDate) {
+          e.preventDefault();
+          return;
+        }
+
+        from = new Date(fromDate);
+        to = new Date(toDate);
+        break;
+      case 1:
+        from = new Date(selectedYear, 0);
+        to = new Date(selectedYear + 1, 0);
+        break;
+      default:
+        console.error("Invalid tab");
+        return;
+    }
+
+    onSubmitted?.(from, to);
   }
 </script>
 
 <Modal bind:this={modal}>
+  <div class="flex">
+    <button
+      onclick={() => {
+        selectedTab = 0;
+      }}
+      class="tab {selectedTab === 0 ? 'tab-active' : ''}"
+    >
+      Datum
+    </button>
+    <button
+      onclick={() => {
+        selectedTab = 1;
+      }}
+      class="tab {selectedTab === 1 ? 'tab-active' : ''}"
+    >
+      Jahr
+    </button>
+  </div>
   <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>
+    {#if selectedTab === 0}
+      <div>
+        <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>
+        <label class="form-row">
+          <span>Bis:</span>
+          <input type="date" class="form-input" bind:value={toDate} />
+        </label>
+      </div>
+    {/if}
+
+    {#if selectedTab === 1}
+      <div>
+        <label class="form-row">
+          <span>Kalendar Jahr:</span>
+          <select class="form-input" bind:value={selectedYear}>
+            {#each generateYears() as year}
+              <option value={year}>{year}</option>
+            {/each}
+          </select>
+        </label>
+      </div>
+    {/if}
 
     <div class="flex justify-end mt-3">
       <button
@@ -60,11 +124,19 @@
 <style scoped>
   @reference "../app.css";
 
+  .tab {
+    @apply px-4 py-2 rounded-t-lg bg-indigo-600 hover:bg-indigo-700 font-medium border-b-2 border-transparent cursor-pointer transition-colors duration-200;
+  }
+
+  .tab-active {
+    @apply px-4 py-2 bg-indigo-500 font-semibold border-b-2 border-blue-600 shadow-sm cursor-pointer;
+  }
+
   .form-row {
-    @apply flex justify-between;
+    @apply flex justify-between my-1;
   }
 
   .form-input {
-    @apply ml-10;
+    @apply ml-20;
   }
 </style>