feat(*): send images from website

frontend/src/lib/convex/devicePairings.ts

@@ -0,0 +1,109 @@
+import { v } from 'convex/values';
+import { mutation, query } from './_generated/server';
+
+export const register = mutation({
+	args: {
+		chatId: v.id('chats'),
+		deviceId: v.string(),
+		hasCamera: v.boolean()
+	},
+	returns: v.id('devicePairings'),
+	handler: async (ctx, args) => {
+		const existing = await ctx.db
+			.query('devicePairings')
+			.withIndex('by_chat_id', (q) => q.eq('chatId', args.chatId))
+			.collect();
+
+		const device = existing.find((d) => d.deviceId === args.deviceId);
+
+		if (device) {
+			await ctx.db.patch(device._id, {
+				hasCamera: args.hasCamera,
+				lastSeen: Date.now()
+			});
+			return device._id;
+		}
+
+		return await ctx.db.insert('devicePairings', {
+			chatId: args.chatId,
+			deviceId: args.deviceId,
+			hasCamera: args.hasCamera,
+			lastSeen: Date.now()
+		});
+	}
+});
+
+export const heartbeat = mutation({
+	args: {
+		chatId: v.id('chats'),
+		deviceId: v.string()
+	},
+	returns: v.null(),
+	handler: async (ctx, args) => {
+		const devices = await ctx.db
+			.query('devicePairings')
+			.withIndex('by_chat_id', (q) => q.eq('chatId', args.chatId))
+			.collect();
+
+		const device = devices.find((d) => d.deviceId === args.deviceId);
+		if (device) {
+			await ctx.db.patch(device._id, { lastSeen: Date.now() });
+		}
+		return null;
+	}
+});
+
+export const getMyDevice = query({
+	args: { chatId: v.id('chats'), deviceId: v.string() },
+	returns: v.union(
+		v.object({
+			_id: v.id('devicePairings'),
+			_creationTime: v.number(),
+			chatId: v.id('chats'),
+			deviceId: v.string(),
+			hasCamera: v.boolean(),
+			pairedWithDeviceId: v.optional(v.string()),
+			lastSeen: v.number()
+		}),
+		v.null()
+	),
+	handler: async (ctx, args) => {
+		const devices = await ctx.db
+			.query('devicePairings')
+			.withIndex('by_chat_id', (q) => q.eq('chatId', args.chatId))
+			.collect();
+
+		return devices.find((d) => d.deviceId === args.deviceId) ?? null;
+	}
+});
+
+export const getPairedDevice = query({
+	args: { chatId: v.id('chats'), deviceId: v.string() },
+	returns: v.union(
+		v.object({
+			_id: v.id('devicePairings'),
+			_creationTime: v.number(),
+			chatId: v.id('chats'),
+			deviceId: v.string(),
+			hasCamera: v.boolean(),
+			pairedWithDeviceId: v.optional(v.string()),
+			lastSeen: v.number()
+		}),
+		v.null()
+	),
+	handler: async (ctx, args) => {
+		const devices = await ctx.db
+			.query('devicePairings')
+			.withIndex('by_chat_id', (q) => q.eq('chatId', args.chatId))
+			.collect();
+
+		const myDevice = devices.find((d) => d.deviceId === args.deviceId);
+		if (!myDevice?.pairedWithDeviceId) return null;
+
+		const thirtySecondsAgo = Date.now() - 30000;
+		const paired = devices.find(
+			(d) => d.deviceId === myDevice.pairedWithDeviceId && d.lastSeen > thirtySecondsAgo
+		);
+		return paired ?? null;
+	}
+});