feat: more tools

tools/calendar.ts

@@ -0,0 +1,187 @@
+import { type McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import fs from "node:fs";
+import path from "node:path";
+import { z } from "zod/v4";
+import { EwsClient, loadConfig } from "../ews_client.ts";
+
+export function registerCalendarTools(server: McpServer): void {
+  server.registerTool(
+    "get_calendar_events",
+    {
+      description: "Get calendar events within a date range",
+      inputSchema: z.object({
+        startDate: z.string().describe("Start date in YYYY-MM-DD format"),
+        endDate: z.string().describe("End date in YYYY-MM-DD format"),
+        includeBody: z.boolean().default(false).describe(
+          "If True, fetch full event details (organizer, attendees, body) via GetItem",
+        ),
+      }),
+    },
+    async ({ startDate, endDate, includeBody }) => {
+      try {
+        const client = new EwsClient(loadConfig());
+        const folderId = await client.getFolderId("calendar");
+        const items = await client.findCalendarItems(
+          folderId,
+          `${startDate}T00:00:00`,
+          `${endDate}T23:59:59`,
+        );
+
+        const events = [];
+        for (const item of items) {
+          const event: any = {
+            subject: item.Subject ?? "(No subject)",
+            start: item.Start ?? "",
+            end: item.End ?? "",
+            location: item.Location ?? item.EnhancedLocation?.DisplayName ?? "",
+            isAllDay: item.IsAllDayEvent === "true"
+              || item.IsAllDayEvent === true,
+            isCancelled: item.IsCancelled === "true"
+              || item.IsCancelled === true,
+            isMeeting: true,
+            isRecurring: item.IsRecurring === "true"
+              || item.IsRecurring === true,
+            organizer: "",
+            organizerEmail: "",
+            myResponse: item.MyResponseType ?? "",
+            itemId: item.ItemId?.["@_Id"] ?? "",
+            body: "",
+            requiredAttendees: [],
+            optionalAttendees: [],
+          };
+
+          if (includeBody && event.itemId) {
+            const details = client.extractEmailDetails(item);
+            event.body = details.body;
+            event.requiredAttendees = details.requiredAttendees ?? [];
+            event.optionalAttendees = details.optionalAttendees ?? [];
+            event.organizer = details.fromName;
+            event.organizerEmail = details.from;
+            event.location = details.location || event.location;
+          }
+
+          events.push(event);
+        }
+
+        return {
+          content: [{
+            type: "text" as const,
+            text: JSON.stringify({ events, count: events.length }),
+          }],
+        };
+      } catch (error: any) {
+        return {
+          content: [{
+            type: "text" as const,
+            text: JSON.stringify({ error: error.message ?? String(error) }),
+          }],
+        };
+      }
+    },
+  );
+
+  server.registerTool(
+    "download_event_attachments",
+    {
+      description:
+        "Download all file attachments from a calendar event to disk",
+      inputSchema: z.object({
+        itemId: z.string().describe(
+          "The Exchange ItemId of the calendar event",
+        ),
+        targetFolder: z.string().default("/tmp/attachments").describe(
+          "Local directory to save files (default /tmp/attachments)",
+        ),
+      }),
+    },
+    async ({ itemId, targetFolder }) => {
+      try {
+        const client = new EwsClient(loadConfig());
+        const item = await client.getItem(itemId);
+        const email = client.extractEmailDetails(item);
+        const attachments = email.attachments ?? [];
+
+        const fileAttachments = attachments.filter(
+          (a: any) => a.attachmentId && !a.isInline,
+        );
+
+        if (!fileAttachments.length) {
+          return {
+            content: [{
+              type: "text" as const,
+              text: JSON.stringify({
+                success: true,
+                downloaded: [],
+                count: 0,
+                message: "No downloadable file attachments.",
+              }),
+            }],
+          };
+        }
+
+        fs.mkdirSync(targetFolder, { recursive: true });
+
+        const downloaded = [];
+        const errors = [];
+        const usedNames = new Set<string>();
+
+        for (const att of fileAttachments) {
+          try {
+            const result = await client.getAttachment(att.attachmentId);
+            let filename = path.basename(result.name);
+            if (!filename) filename = att.name || "attachment";
+
+            const baseName = filename;
+            const dotIdx = baseName.lastIndexOf(".");
+            const namePart = dotIdx > 0 ? baseName.slice(0, dotIdx) : baseName;
+            const extPart = dotIdx > 0 ? baseName.slice(dotIdx) : "";
+
+            let counter = 1;
+            let finalName = filename;
+            while (usedNames.has(finalName.toLowerCase())) {
+              finalName = extPart
+                ? `${namePart}_${counter}${extPart}`
+                : `${namePart}_${counter}`;
+              counter++;
+            }
+            usedNames.add(finalName.toLowerCase());
+
+            const filepath = path.join(targetFolder, finalName);
+            fs.writeFileSync(filepath, result.content);
+
+            downloaded.push({
+              name: finalName,
+              path: filepath,
+              size: result.content.length,
+              contentType: result.contentType,
+            });
+          } catch (e: any) {
+            errors.push({
+              name: att.name || "unknown",
+              error: e.message ?? String(e),
+            });
+          }
+        }
+
+        return {
+          content: [{
+            type: "text" as const,
+            text: JSON.stringify({
+              success: errors.length === 0,
+              downloaded,
+              count: downloaded.length,
+              ...(errors.length ? { errors } : {}),
+            }),
+          }],
+        };
+      } catch (error: any) {
+        return {
+          content: [{
+            type: "text" as const,
+            text: JSON.stringify({ error: error.message ?? String(error) }),
+          }],
+        };
+      }
+    },
+  );
+}