add attatchments tool (#4502)

frontend/public/locales/en-GB/translation.json

@@ -3412,6 +3412,18 @@
       "generateError": "We couldn't generate your API key."
     }
   },
+  "AddAttachmentsRequest": {
+    "attachments": "Select Attachments",
+    "info": "Select files to attach to your PDF. These files will be embedded and accessible through the PDF's attachment panel.",
+    "selectFiles": "Select Files to Attach",
+    "placeholder": "Choose files...",
+    "addMoreFiles": "Add more files...",
+    "selectedFiles": "Selected Files",
+    "submit": "Add Attachments",
+    "results": {
+      "title": "Attachment Results"
+    }
+  },
   "termsAndConditions": "Terms & Conditions",
   "logOut": "Log out"
 }

frontend/public/locales/en-US/translation.json

@@ -2362,5 +2362,22 @@
   },
   "automate": {
     "copyToSaved": "Copy to Saved"
+  },
+  "AddAttachmentsRequest": {
+    "attachments": "Select Attachments",
+    "info": "Select files to attach to your PDF. These files will be embedded and accessible through the PDF's attachment panel.",
+    "selectFiles": "Select Files to Attach",
+    "placeholder": "Choose files...",
+    "addMoreFiles": "Add more files...",
+    "selectedFiles": "Selected Files",
+    "submit": "Add Attachments",
+    "results": {
+      "title": "Attachment Results"
+    }
+  },
+  "addAttachments": {
+    "error": {
+      "failed": "An error occurred while adding attachments to the PDF."
+    }
   }
 }

frontend/src/data/useTranslatedToolRegistry.tsx

@@ -15,6 +15,7 @@ import { SubcategoryId, ToolCategoryId, ToolRegistry } from "./toolsTaxonomy";
 import { getSynonyms } from "../utils/toolSynonyms";
 import AddWatermark from "../tools/AddWatermark";
 import AddStamp from "../tools/AddStamp";
+import AddAttachments from "../tools/AddAttachments";
 import Merge from '../tools/Merge';
 import Repair from "../tools/Repair";
 import AutoRename from "../tools/AutoRename";
@@ -35,6 +36,7 @@ import { sanitizeOperationConfig } from "../hooks/tools/sanitize/useSanitizeOper
 import { repairOperationConfig } from "../hooks/tools/repair/useRepairOperation";
 import { addWatermarkOperationConfig } from "../hooks/tools/addWatermark/useAddWatermarkOperation";
 import { addStampOperationConfig } from "../components/tools/addStamp/useAddStampOperation";
+import { addAttachmentsOperationConfig } from "../hooks/tools/addAttachments/useAddAttachmentsOperation";
 import { unlockPdfFormsOperationConfig } from "../hooks/tools/unlockPdfForms/useUnlockPdfFormsOperation";
 import { singleLargePageOperationConfig } from "../hooks/tools/singleLargePage/useSingleLargePageOperation";
 import { ocrOperationConfig } from "../hooks/tools/ocr/useOCROperation";
@@ -461,12 +463,14 @@ export function useFlatToolRegistry(): ToolRegistry {
       addAttachments: {
         icon: <LocalIcon icon="attachment-rounded" width="1.5rem" height="1.5rem" />,
         name: t("home.addAttachments.title", "Add Attachments"),
-        component: null,
-
+        component: AddAttachments,
         description: t("home.addAttachments.desc", "Add or remove embedded files (attachments) to/from a PDF"),
         categoryId: ToolCategoryId.STANDARD_TOOLS,
         subcategoryId: SubcategoryId.PAGE_FORMATTING,
-        synonyms: getSynonyms(t, "addAttachments")
+        synonyms: getSynonyms(t, "addAttachments"),
+        maxFiles: 1,
+        endpoints: ["add-attachments"],
+        operationConfig: addAttachmentsOperationConfig,
       },
 
       // Extraction

frontend/src/hooks/tools/addAttachments/useAddAttachmentsOperation.ts

@@ -0,0 +1,37 @@
+import { useTranslation } from 'react-i18next';
+import { useToolOperation, ToolOperationConfig, ToolType } from '../shared/useToolOperation';
+import { createStandardErrorHandler } from '../../../utils/toolErrorHandler';
+import { AddAttachmentsParameters } from './useAddAttachmentsParameters';
+
+const buildFormData = (parameters: AddAttachmentsParameters, file: File): FormData => {
+  const formData = new FormData();
+
+  // Add the main PDF file (single file per request in singleFile mode)
+  if (file) {
+    formData.append("fileInput", file);
+  }
+
+  // Add attachment files
+  (parameters.attachments || []).forEach((attachment) => {
+    if (attachment) formData.append("attachments", attachment);
+  });
+
+  return formData;
+};
+
+// Operation configuration for automation
+export const addAttachmentsOperationConfig: ToolOperationConfig<AddAttachmentsParameters> = {
+  toolType: ToolType.singleFile,
+  buildFormData,
+  operationType: 'addAttachments',
+  endpoint: '/api/v1/misc/add-attachments',
+};
+
+export const useAddAttachmentsOperation = () => {
+  const { t } = useTranslation();
+
+  return useToolOperation<AddAttachmentsParameters>({
+    ...addAttachmentsOperationConfig,
+    getErrorMessage: createStandardErrorHandler(t('addAttachments.error.failed', 'An error occurred while adding attachments to the PDF.'))
+  });
+};

frontend/src/hooks/tools/addAttachments/useAddAttachmentsParameters.ts

@@ -0,0 +1,35 @@
+import { useState } from 'react';
+
+export interface AddAttachmentsParameters {
+  attachments: File[];
+}
+
+const defaultParameters: AddAttachmentsParameters = {
+  attachments: []
+};
+
+export const useAddAttachmentsParameters = () => {
+  const [parameters, setParameters] = useState<AddAttachmentsParameters>(defaultParameters);
+
+  const updateParameter = <K extends keyof AddAttachmentsParameters>(
+    key: K,
+    value: AddAttachmentsParameters[K]
+  ) => {
+    setParameters(prev => ({ ...prev, [key]: value }));
+  };
+
+  const resetParameters = () => {
+    setParameters(defaultParameters);
+  };
+
+  const validateParameters = (): boolean => {
+    return parameters.attachments.length > 0;
+  };
+
+  return {
+    parameters,
+    updateParameter,
+    resetParameters,
+    validateParameters
+  };
+};

frontend/src/tools/AddAttachments.tsx

@@ -0,0 +1,197 @@
+import { useEffect } from "react";
+import { useTranslation } from "react-i18next";
+import { useFileSelection } from "../contexts/FileContext";
+import { createToolFlow } from "../components/tools/shared/createToolFlow";
+import { BaseToolProps, ToolComponent } from "../types/tool";
+import { useEndpointEnabled } from "../hooks/useEndpointConfig";
+import { useAddAttachmentsParameters } from "../hooks/tools/addAttachments/useAddAttachmentsParameters";
+import { useAddAttachmentsOperation } from "../hooks/tools/addAttachments/useAddAttachmentsOperation";
+import { Stack, Text, Group, ActionIcon, Alert, ScrollArea, Button } from "@mantine/core";
+import LocalIcon from "../components/shared/LocalIcon";
+import { useAccordionSteps } from "../hooks/tools/shared/useAccordionSteps";
+// Removed FitText for two-line wrapping with clamping
+
+const AddAttachments = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
+  const { t } = useTranslation();
+  const { selectedFiles } = useFileSelection();
+
+  const params = useAddAttachmentsParameters();
+  const operation = useAddAttachmentsOperation();
+
+  const { enabled: endpointEnabled, loading: endpointLoading } = useEndpointEnabled("add-attachments");
+
+  useEffect(() => {
+    operation.resetResults();
+    onPreviewFile?.(null);
+  }, [params.parameters]);
+
+  const handleExecute = async () => {
+    try {
+      await operation.executeOperation(params.parameters, selectedFiles);
+      if (operation.files && onComplete) {
+        onComplete(operation.files);
+      }
+    } catch (error: any) {
+      onError?.(error?.message || t("AddAttachmentsRequest.error.failed", "Add attachments operation failed"));
+    }
+  };
+
+  const hasFiles = selectedFiles.length > 0;
+  const hasResults = operation.files.length > 0 || operation.downloadUrl !== null;
+
+  enum AddAttachmentsStep {
+    NONE = 'none',
+    ATTACHMENTS = 'attachments'
+  }
+
+  const accordion = useAccordionSteps<AddAttachmentsStep>({
+    noneValue: AddAttachmentsStep.NONE,
+    initialStep: AddAttachmentsStep.ATTACHMENTS,
+    stateConditions: {
+      hasFiles,
+      hasResults: false // Don't collapse when there are results for add attachments
+    },
+    afterResults: () => {
+      operation.resetResults();
+      onPreviewFile?.(null);
+    }
+  });
+
+  const getSteps = () => {
+    const steps: any[] = [];
+
+    // Step 1: Attachments Selection
+    steps.push({
+      title: t("AddAttachmentsRequest.attachments", "Select Attachments"),
+      isCollapsed: accordion.getCollapsedState(AddAttachmentsStep.ATTACHMENTS),
+      onCollapsedClick: () => accordion.handleStepToggle(AddAttachmentsStep.ATTACHMENTS),
+      isVisible: true,
+      content: (
+        <Stack gap="md">
+          <Alert color="blue" variant="light">
+            <Text size="sm">
+              {t("AddAttachmentsRequest.info", "Select files to attach to your PDF. These files will be embedded and accessible through the PDF's attachment panel.")}
+            </Text>
+          </Alert>
+
+          <Stack gap="xs">
+            <Text size="sm" fw={500}>
+              {t("AddAttachmentsRequest.selectFiles", "Select Files to Attach")}
+            </Text>
+            <input
+              type="file"
+              multiple
+              onChange={(e) => {
+                const files = Array.from(e.target.files || []);
+                // Append to existing attachments instead of replacing
+                const newAttachments = [...params.parameters.attachments, ...files];
+                params.updateParameter('attachments', newAttachments);
+                // Reset the input so the same file can be selected again
+                e.target.value = '';
+              }}
+              disabled={endpointLoading}
+              style={{ display: 'none' }}
+              id="attachments-input"
+            />
+            <Button
+              size="xs"
+              color="blue"
+              component="label"
+              htmlFor="attachments-input"
+              disabled={endpointLoading}
+              leftSection={<LocalIcon icon="plus" width="14" height="14" />}
+            >
+              {params.parameters.attachments.length > 0 
+                ? t("AddAttachmentsRequest.addMoreFiles", "Add more files...")
+                : t("AddAttachmentsRequest.placeholder", "Choose files...")
+              }
+            </Button>
+          </Stack>
+
+          {params.parameters.attachments && params.parameters.attachments.length > 0 && (
+            <Stack gap="xs">
+              <Text size="sm" fw={500}>
+                {t("AddAttachmentsRequest.selectedFiles", "Selected Files")} ({params.parameters.attachments.length})
+              </Text>
+              <ScrollArea.Autosize mah={300} type="scroll" offsetScrollbars styles={{ viewport: { overflowX: 'hidden' } }}>
+                <Stack gap="xs">
+                  {params.parameters.attachments.map((file, index) => (
+                    <Group key={index} justify="space-between" p="xs" style={{ border: '1px solid var(--mantine-color-gray-3)', borderRadius: 'var(--mantine-radius-sm)', alignItems: 'flex-start' }}>
+                      <Group gap="xs" style={{ flex: 1, minWidth: 0, alignItems: 'flex-start' }}>
+                        {/* Filename (two-line clamp, wraps, no icon on the left) */}
+                        <div style={{ flex: 1, minWidth: 0 }}>
+                          <div
+                            style={{
+                              fontSize: 'var(--mantine-font-size-sm)',
+                              fontWeight: 400,
+                              lineHeight: 1.2,
+                              display: '-webkit-box',
+                              WebkitLineClamp: 2 as any,
+                              WebkitBoxOrient: 'vertical' as any,
+                              overflow: 'hidden',
+                              whiteSpace: 'normal',
+                              wordBreak: 'break-word',
+                            }}
+                            title={file.name}
+                          >
+                            {file.name}
+                          </div>
+                        </div>
+                        <Text size="xs" c="dimmed" style={{ flexShrink: 0 }}>
+                          ({(file.size / 1024).toFixed(1)} KB)
+                        </Text>
+                      </Group>
+                      <ActionIcon
+                        size="sm"
+                        variant="subtle"
+                        color="red"
+                        style={{ flexShrink: 0 }}
+                        onClick={() => {
+                          const newAttachments = params.parameters.attachments.filter((_, i) => i !== index);
+                          params.updateParameter('attachments', newAttachments);
+                        }}
+                      >
+                        <LocalIcon icon="close-rounded" width="14" height="14" />
+                      </ActionIcon>
+                    </Group>
+                  ))}
+                </Stack>
+              </ScrollArea.Autosize>
+            </Stack>
+          )}
+        </Stack>
+      ),
+    });
+
+    return steps;
+  };
+
+  return createToolFlow({
+    files: {
+      selectedFiles,
+      isCollapsed: hasResults,
+    },
+    steps: getSteps(),
+    executeButton: {
+      text: t('AddAttachmentsRequest.submit', 'Add Attachments'),
+      isVisible: !hasResults,
+      loadingText: t('loading'),
+      onClick: handleExecute,
+      disabled: !params.validateParameters() || !hasFiles || !endpointEnabled,
+    },
+    review: {
+      isVisible: hasResults,
+      operation: operation,
+      title: t('AddAttachmentsRequest.results.title', 'Attachment Results'),
+      onFileClick: (file) => onPreviewFile?.(file),
+      onUndo: async () => {
+        await operation.undoOperation();
+        onPreviewFile?.(null);
+      },
+    },
+  });
+};
+
+AddAttachments.tool = () => useAddAttachmentsOperation;
+
+export default AddAttachments as ToolComponent;