a

convex/seenUrls.ts

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+import { mutation, query } from "./_generated/server";
+import { v } from "convex/values";
+import { getAuthUserId } from "@convex-dev/auth/server";
+
+export const listExisting = query({
+  args: {
+    projectId: v.id("projects"),
+    urls: v.array(v.string()),
+  },
+  handler: async (ctx, args) => {
+    const userId = await getAuthUserId(ctx);
+    if (!userId) return [];
+
+    const project = await ctx.db.get(args.projectId);
+    if (!project || project.userId !== userId) return [];
+
+    const existing: string[] = [];
+    for (const url of args.urls) {
+      const match = await ctx.db
+        .query("seenUrls")
+        .withIndex("by_project_url", (q) =>
+          q.eq("projectId", args.projectId).eq("url", url)
+        )
+        .first();
+      if (match) existing.push(url);
+    }
+    return existing;
+  },
+});
+
+export const markSeenBatch = mutation({
+  args: {
+    projectId: v.id("projects"),
+    urls: v.array(v.string()),
+    source: v.optional(v.string()),
+  },
+  handler: async (ctx, args) => {
+    const userId = await getAuthUserId(ctx);
+    if (!userId) throw new Error("Unauthorized");
+
+    const project = await ctx.db.get(args.projectId);
+    if (!project || project.userId !== userId) {
+      throw new Error("Project not found or unauthorized");
+    }
+
+    const now = Date.now();
+    for (const url of args.urls) {
+      const existing = await ctx.db
+        .query("seenUrls")
+        .withIndex("by_project_url", (q) =>
+          q.eq("projectId", args.projectId).eq("url", url)
+        )
+        .first();
+
+      if (existing) {
+        await ctx.db.patch(existing._id, {
+          lastSeenAt: now,
+          source: args.source ?? existing.source,
+        });
+      } else {
+        await ctx.db.insert("seenUrls", {
+          projectId: args.projectId,
+          url,
+          firstSeenAt: now,
+          lastSeenAt: now,
+          source: args.source,
+        });
+      }
+    }
+  },
+});