lots of changes

convex/users.ts

@@ -1,4 +1,5 @@
-import { query } from "./_generated/server";
+import { mutation, query } from "./_generated/server";
+import { v } from "convex/values";
 import { getAuthUserId } from "@convex-dev/auth/server";
 
 export const getCurrent = query({
@@ -24,3 +25,61 @@ export const getCurrentProfile = query({
     return { user, accounts };
   },
 });
+
+export const touch = mutation({
+  args: {},
+  handler: async (ctx) => {
+    const userId = await getAuthUserId(ctx);
+    if (!userId) return null;
+
+    const today = new Date().toISOString().slice(0, 10);
+    const yesterday = new Date(Date.now() - 24 * 60 * 60 * 1000)
+      .toISOString()
+      .slice(0, 10);
+
+    const existing = await ctx.db
+      .query("userActivity")
+      .withIndex("by_user", (q) => q.eq("userId", userId))
+      .first();
+
+    if (!existing) {
+      await ctx.db.insert("userActivity", {
+        userId,
+        lastActiveDate: today,
+        streak: 1,
+        updatedAt: Date.now(),
+      });
+      return { lastActiveDate: today, streak: 1 };
+    }
+
+    if (existing.lastActiveDate === today) {
+      return { lastActiveDate: existing.lastActiveDate, streak: existing.streak };
+    }
+
+    const streak =
+      existing.lastActiveDate === yesterday ? existing.streak + 1 : 1;
+
+    await ctx.db.patch(existing._id, {
+      lastActiveDate: today,
+      streak,
+      updatedAt: Date.now(),
+    });
+
+    return { lastActiveDate: today, streak };
+  },
+});
+
+export const getActivity = query({
+  args: {},
+  handler: async (ctx) => {
+    const userId = await getAuthUserId(ctx);
+    if (!userId) return null;
+
+    const activity = await ctx.db
+      .query("userActivity")
+      .withIndex("by_user", (q) => q.eq("userId", userId))
+      .first();
+
+    return activity ?? null;
+  },
+});