/**
* Update document functionality
*/
const { graphRequest, uploadFile, getBasePath } = require("../utils");
const { buildFilePath } = require("./read");
/**
* Update document handler
* @param {object} args - Tool arguments
* @returns {object} - MCP response
*/
async function handleUpdateDocument(args) {
const fileName = args.file_name;
const content = args.content;
if (!fileName) {
return {
content: [
{
type: "text",
text: JSON.stringify(
{
success: false,
error: "File name is required.",
},
null,
2,
),
},
],
};
}
if (!content) {
return {
content: [
{
type: "text",
text: JSON.stringify(
{
success: false,
error: "Content is required.",
},
null,
2,
),
},
],
};
}
try {
const { basePath } = await getBasePath();
const filePath = buildFilePath(args.folder_path, fileName);
// Check if file exists
const checkEndpoint = `${basePath}${filePath}`;
try {
await graphRequest(checkEndpoint, { params: { $select: "id" } });
} catch (e) {
throw new Error(
`File "${fileName}" does not exist in the specified folder.`,
);
}
// Prepare content
let contentBuffer;
if (args.is_base64) {
contentBuffer = Buffer.from(content, "base64");
} else {
contentBuffer = Buffer.from(content, "utf8");
}
// Upload (overwrites existing)
const endpoint = `${basePath}${filePath}/content`;
const response = await uploadFile(endpoint, contentBuffer);
return {
content: [
{
type: "text",
text: JSON.stringify(
{
success: true,
message: `File "${fileName}" updated successfully.`,
file: {
id: response.id,
name: response.name,
size: response.size,
webUrl: response.webUrl,
},
},
null,
2,
),
},
],
};
} catch (error) {
if (
error.message ===
"Authentication required. Please use the authenticate tool first."
) {
return {
content: [
{
type: "text",
text: "Authentication required. Please use the 'authenticate' tool first.",
},
],
};
}
return {
content: [
{
type: "text",
text: JSON.stringify(
{
success: false,
error: error.message,
},
null,
2,
),
},
],
};
}
}
module.exports = handleUpdateDocument;
