feat(ui): translation (#1046)

src/leapfrogai_ui/src/lib/components/ChatFileUpload.svelte

@@ -0,0 +1,153 @@
+<script lang="ts">
+  import { env } from '$env/dynamic/public';
+  import {
+    ACCEPTED_FILE_TYPES,
+    APPROX_MAX_CHARACTERS,
+    FILE_UPLOAD_PROMPT,
+    MAX_NUM_FILES_UPLOAD
+  } from '$constants';
+  import { PaperClipOutline } from 'flowbite-svelte-icons';
+  import { v4 as uuidv4 } from 'uuid';
+  import LFFileUploadBtn from '$components/LFFileUploadBtn.svelte';
+  import { toastStore } from '$stores';
+  import {
+    ERROR_PROCESSING_FILE_MSG_TOAST,
+    MAX_NUM_FILES_UPLOAD_MSG_TOAST
+  } from '$constants/toastMessages';
+  import type { LFFile } from '$lib/types/files';
+  import { ERROR_UPLOADING_FILE_MSG } from '$constants/errors';
+  import { shortenFileName } from '$helpers/stringHelpers';
+  import { removeFilesUntilUnderLimit, updateFileMetadata } from '$helpers/fileHelpers';
+
+  export let uploadingFiles;
+  export let attachedFileMetadata;
+  export let attachedFiles: LFFile[];
+
+  const ADJUSTED_MAX_CHARACTERS =
+    APPROX_MAX_CHARACTERS - Number(env.PUBLIC_MESSAGE_LENGTH_LIMIT) - FILE_UPLOAD_PROMPT.length - 2;
+
+  let fileUploadBtnRef: HTMLInputElement;
+
+  const handleUploadError = (errorMsg) => {
+    uploadingFiles = false;
+    attachedFileMetadata = [];
+
+    toastStore.addToast({
+      ...ERROR_PROCESSING_FILE_MSG_TOAST({ subtitle: errorMsg })
+    });
+  };
+
+  const convertFiles = (files: LFFile[]) => {
+    uploadingFiles = true;
+    try {
+      const promises = [];
+      const parsedFiles = [];
+
+      for (const file of files) {
+        if (file.type.startsWith('audio/')) {
+          parsedFiles.push({
+            id: file.id,
+            name: shortenFileName(file.name),
+            type: file.type,
+            text: 'Audio file contents were not processed',
+            status: 'complete'
+          });
+        } else {
+          const formData = new FormData();
+          formData.append('file', file);
+
+          const promise = fetch('/api/files/parse-text', {
+            method: 'POST',
+            body: formData
+          })
+            .then(async (response) => {
+              if (!response.ok) {
+                return {
+                  id: file.id,
+                  name: shortenFileName(file.name),
+                  type: file.type,
+                  text: ERROR_UPLOADING_FILE_MSG,
+                  status: 'error',
+                  errorText: ERROR_UPLOADING_FILE_MSG
+                };
+              }
+
+              const result = await response.json();
+              return {
+                id: file.id,
+                name: shortenFileName(file.name),
+                type: file.type,
+                text: result.text,
+                status: 'complete'
+              };
+            })
+            .catch(() => {
+              return {
+                id: file.id,
+                name: shortenFileName(file.name),
+                type: file.type,
+                text: ERROR_UPLOADING_FILE_MSG,
+                status: 'error',
+                errorText: ERROR_UPLOADING_FILE_MSG
+              };
+            });
+
+          promises.push(promise);
+        }
+      }
+
+      Promise.all(promises).then((results) => {
+        parsedFiles.push(...results);
+
+        // If this file adds too much text (larger than allowed max), remove the text and set to error status
+        removeFilesUntilUnderLimit(parsedFiles, ADJUSTED_MAX_CHARACTERS);
+
+        attachedFileMetadata = updateFileMetadata(attachedFileMetadata, parsedFiles);
+      });
+    } catch {
+      handleUploadError('Internal Error');
+    }
+    uploadingFiles = false;
+  };
+</script>
+
+<LFFileUploadBtn
+  bind:ref={fileUploadBtnRef}
+  testId="upload-file-btn"
+  name="files"
+  outline
+  multiple
+  size="sm"
+  on:change={(e) => {
+    if (e.detail.length > MAX_NUM_FILES_UPLOAD) {
+      e.detail.pop();
+      toastStore.addToast(MAX_NUM_FILES_UPLOAD_MSG_TOAST());
+      return;
+    }
+    uploadingFiles = true;
+    for (const file of e.detail) {
+      // Metadata is limited to 512 characters, we use a short id to save space
+      const id = uuidv4().substring(0, 8);
+      file.id = id;
+      attachedFileMetadata = [
+        ...attachedFileMetadata,
+        {
+          id,
+          name: file.name,
+          type: file.type,
+          status: file.type.startsWith('audio/') ? 'complete' : 'uploading'
+        }
+      ];
+    }
+
+    attachedFiles = [...attachedFiles, ...e.detail];
+    convertFiles(e.detail);
+    fileUploadBtnRef.value = '';
+  }}
+  accept={ACCEPTED_FILE_TYPES}
+  disabled={uploadingFiles}
+  class="remove-btn-style flex  rounded-lg  p-1.5 text-gray-500 hover:bg-inherit dark:hover:bg-inherit"
+>
+  <PaperClipOutline class="text-gray-300" />
+  <span class="sr-only">Attach file</span>
+</LFFileUploadBtn>