From 0c2dcbdf6706668bee6ad21d32ea1ec38392d7dc Mon Sep 17 00:00:00 2001
From: ShareVB <sharevb@gmail.com>
Date: Sun, 15 Sep 2024 21:18:11 +0200
Subject: [PATCH] feat: add file upload option and word wrap

---
 src/components/TextareaCopyable.vue     | 44 ++++++++++++++++--
 src/tools/email-parser/email-parser.vue | 61 +++++++++++++++++++++----
 2 files changed, 93 insertions(+), 12 deletions(-)

diff --git a/src/components/TextareaCopyable.vue b/src/components/TextareaCopyable.vue
index 8b0aae61..a0961f1b 100644
--- a/src/components/TextareaCopyable.vue
+++ b/src/components/TextareaCopyable.vue
@@ -7,7 +7,15 @@ import sqlHljs from 'highlight.js/lib/languages/sql';
 import xmlHljs from 'highlight.js/lib/languages/xml';
 import yamlHljs from 'highlight.js/lib/languages/yaml';
 import iniHljs from 'highlight.js/lib/languages/ini';
+import bashHljs from 'highlight.js/lib/languages/bash';
+import markdownHljs from 'highlight.js/lib/languages/markdown';
+import jsHljs from 'highlight.js/lib/languages/javascript';
+import cssHljs from 'highlight.js/lib/languages/css';
+import goHljs from 'highlight.js/lib/languages/go';
+import csharpHljs from 'highlight.js/lib/languages/csharp';
+import { Base64 } from 'js-base64';
 import { useCopy } from '@/composable/copy';
+import { useDownloadFileFromBase64 } from '@/composable/downloadBase64';
 
 const props = withDefaults(
   defineProps<{
@@ -16,12 +24,17 @@ const props = withDefaults(
     language?: string
     copyPlacement?: 'top-right' | 'bottom-right' | 'outside' | 'none'
     copyMessage?: string
+    wordWrap?: boolean
+    downloadFileName?: string
+    downloadButtonText?: string
   }>(),
   {
     followHeightOf: null,
     language: 'txt',
     copyPlacement: 'top-right',
     copyMessage: 'Copy to clipboard',
+    downloadFileName: '',
+    downloadButtonText: 'Download',
   },
 );
 hljs.registerLanguage('sql', sqlHljs);
@@ -30,12 +43,25 @@ hljs.registerLanguage('html', xmlHljs);
 hljs.registerLanguage('xml', xmlHljs);
 hljs.registerLanguage('yaml', yamlHljs);
 hljs.registerLanguage('toml', iniHljs);
+hljs.registerLanguage('bash', bashHljs);
+hljs.registerLanguage('markdown', markdownHljs);
+hljs.registerLanguage('css', cssHljs);
+hljs.registerLanguage('javascript', jsHljs);
+hljs.registerLanguage('go', goHljs);
+hljs.registerLanguage('csharp', csharpHljs);
 
-const { value, language, followHeightOf, copyPlacement, copyMessage } = toRefs(props);
+const { value, language, followHeightOf, copyPlacement, copyMessage, downloadFileName, downloadButtonText } = toRefs(props);
 const { height } = followHeightOf.value ? useElementSize(followHeightOf) : { height: ref(null) };
 
 const { copy, isJustCopied } = useCopy({ source: value, createToast: false });
 const tooltipText = computed(() => isJustCopied.value ? 'Copied!' : copyMessage.value);
+
+const valueBase64 = computed(() => Base64.encode(value.value));
+const { download } = useDownloadFileFromBase64(
+  {
+    source: valueBase64,
+    filename: downloadFileName,
+  });
 </script>
 
 <template>
@@ -47,11 +73,16 @@ const tooltipText = computed(() => isJustCopied.value ? 'Copied!' : copyMessage.
         :style="height ? `min-height: ${height - 40 /* card padding */ + 10 /* negative margin compensation */}px` : ''"
       >
         <n-config-provider :hljs="hljs">
-          <n-code :code="value" :language="language" :trim="false" data-test-id="area-content" />
+          <n-code :code="value" :language="language" :word-wrap="wordWrap" :trim="false" data-test-id="area-content" />
         </n-config-provider>
       </n-scrollbar>
-      <div absolute right-10px top-10px>
-        <c-tooltip v-if="value" :tooltip="tooltipText" position="left">
+      <div
+        v-if="value && copyPlacement !== 'none'"
+        absolute right-10px
+        :top-10px="copyPlacement === 'top-right' ? '' : 'no'"
+        :bottom-10px="copyPlacement === 'bottom-right' ? '' : 'no'"
+      >
+        <c-tooltip v-if="value && copyPlacement !== 'outside'" :tooltip="tooltipText" position="left">
           <c-button circle important:h-10 important:w-10 @click="copy()">
             <n-icon size="22" :component="Copy" />
           </c-button>
@@ -63,6 +94,11 @@ const tooltipText = computed(() => isJustCopied.value ? 'Copied!' : copyMessage.
         {{ tooltipText }}
       </c-button>
     </div>
+    <div v-if="downloadFileName !== '' && value !== ''" mt-5 flex justify-center>
+      <c-button secondary @click="download">
+        {{ downloadButtonText }}
+      </c-button>
+    </div>
   </div>
 </template>
 
diff --git a/src/tools/email-parser/email-parser.vue b/src/tools/email-parser/email-parser.vue
index a7dc1247..1c3ef458 100644
--- a/src/tools/email-parser/email-parser.vue
+++ b/src/tools/email-parser/email-parser.vue
@@ -1,19 +1,31 @@
 <script setup lang="ts">
 import PostalMime from 'postal-mime';
 
+const inputType = ref<'file' | 'content'>('file');
 const emailContent = ref('');
+const fileInput = ref() as Ref<File | null>;
+const error = ref('');
 
 const parsedEmail = computedAsync(async () => {
   const emailContentValue = emailContent.value;
+  const file = fileInput.value;
+  error.value = '';
   try {
-    return await PostalMime.parse(emailContentValue);
+    if (inputType.value === 'file' && file) {
+      return await PostalMime.parse(await file.arrayBuffer());
+    } else if (inputType.value === 'content' && emailContentValue) {
+      return await PostalMime.parse(emailContentValue);
+    } else {
+      return null;
+    }
   }
   catch (e: any) {
-    return e.toString();
+    error.value = e.toString();
+    return null;
   }
 });
 
-function downloadFile(data: Uint8Array, fileName: string, fileType: string) {
+function downloadFile(data: ArrayBuffer, fileName: string, fileType: string) {
   const blob = new Blob([data], { type: fileType || 'application/octet-stream' });
   const downloadUrl = URL.createObjectURL(blob);
   const a = document.createElement('a');
@@ -23,12 +35,38 @@ function downloadFile(data: Uint8Array, fileName: string, fileType: string) {
   a.click();
   URL.revokeObjectURL(downloadUrl);
 }
+
+function onUpload(file: File) {
+  if (file) {
+    fileInput.value = file;
+  }
+}
 </script>
 
 <template>
   <div style="max-width: 600px;">
     <c-card title="Input" mb-2>
+      <n-radio-group v-model:value="inputType" name="radiogroup" mb-2 flex justify-center>
+        <n-space>
+          <n-radio
+            value="file"
+            label="File"
+          />
+          <n-radio
+            value="content"
+            label="Content"
+          />
+        </n-space>
+      </n-radio-group>
+
+      <c-file-upload
+        v-if="inputType === 'file'"
+        title="Drag and drop EML file here, or click to select a file"
+        @file-upload="onUpload"
+      />
+
       <c-input-text
+        v-if="inputType === 'content'"
         v-model:value="emailContent"
         label="Email Content"
         multiline
@@ -38,32 +76,39 @@ function downloadFile(data: Uint8Array, fileName: string, fileType: string) {
       />
     </c-card>
 
-    <c-card v-if="parsedEmail && emailContent" title="Output">
+    <c-alert v-if="error">
+      {{ error }}
+    </c-alert>
+
+    <c-card v-if="!error && parsedEmail" title="Output">
+      <input-copyable v-if="fileInput?.name" label="File Name" :value="fileInput?.name" />
       <input-copyable v-if="parsedEmail.date" label="Date" :value="parsedEmail.date" />
       <input-copyable v-if="parsedEmail.from?.name" label="From (name)" :value="parsedEmail.from?.name" />
       <input-copyable v-if="parsedEmail.from" label="From (address)" :value="parsedEmail.from?.address || parsedEmail.from" />
       <input-copyable v-if="parsedEmail.to" label="To" :value="JSON.stringify(parsedEmail.to)" />
       <input-copyable v-if="parsedEmail.cc" label="Cc" :value="JSON.stringify(parsedEmail.cc)" />
-      <input-copyable v-if="parsedEmail.bcc?.name" label="Bcc" :value="JSON.stringify(parsedEmail.bcc)" />
+      <input-copyable v-if="parsedEmail.bcc" label="Bcc" :value="JSON.stringify(parsedEmail.bcc)" />
       <input-copyable v-if="parsedEmail.replyTo" label="Reply-To" :value="JSON.stringify(parsedEmail.replyTo)" />
       <input-copyable v-if="parsedEmail.subject" label="Subject" :value="parsedEmail.subject" />
       <c-card v-if="parsedEmail.text" title="Plain Content" mb-2>
         <details>
           <summary>See content</summary>
-          <textarea-copyable :value="parsedEmail.text" />
+          <textarea-copyable :value="parsedEmail.text" word-wrap />
         </details>
       </c-card>
       <c-card v-if="parsedEmail.html" title="Html Content" mb-2>
         <details>
           <summary>See content</summary>
-          <textarea-copyable :value="parsedEmail.html" />
+          <textarea-copyable :value="parsedEmail.html" word-wrap />
         </details>
       </c-card>
       <c-card v-if="parsedEmail?.attachments?.length" title="Attachments" mb-2>
         <n-table>
           <thead>
             <tr>
-              <th scope="col">Attachment</th><th scope="col" />
+              <th scope="col">
+                Attachment
+              </th><th scope="col" />
             </tr>
           </thead>
           <tbody>