feat(*): first mvp

frontend/src/lib/convex/chats.ts

@@ -0,0 +1,98 @@
+import { v } from 'convex/values';
+import { mutation, query } from './_generated/server';
+
+export const getByMnemonic = query({
+	args: { mnemonic: v.string() },
+	returns: v.union(
+		v.object({
+			_id: v.id('chats'),
+			_creationTime: v.number(),
+			userId: v.id('users'),
+			mnemonic: v.string(),
+			createdAt: v.number()
+		}),
+		v.null()
+	),
+	handler: async (ctx, args) => {
+		return await ctx.db
+			.query('chats')
+			.withIndex('by_mnemonic', (q) => q.eq('mnemonic', args.mnemonic))
+			.unique();
+	}
+});
+
+export const create = mutation({
+	args: { userId: v.id('users'), mnemonic: v.string() },
+	returns: v.id('chats'),
+	handler: async (ctx, args) => {
+		return await ctx.db.insert('chats', {
+			userId: args.userId,
+			mnemonic: args.mnemonic,
+			createdAt: Date.now()
+		});
+	}
+});
+
+export const clear = mutation({
+	args: { chatId: v.id('chats'), preserveImages: v.optional(v.boolean()) },
+	returns: v.null(),
+	handler: async (ctx, args) => {
+		const messages = await ctx.db
+			.query('messages')
+			.withIndex('by_chat_id', (q) => q.eq('chatId', args.chatId))
+			.collect();
+
+		for (const message of messages) {
+			if (args.preserveImages && message.imageStorageId) {
+				continue;
+			}
+			await ctx.db.delete(message._id);
+		}
+		return null;
+	}
+});
+
+export const getWithUser = query({
+	args: { mnemonic: v.string() },
+	returns: v.union(
+		v.object({
+			chat: v.object({
+				_id: v.id('chats'),
+				_creationTime: v.number(),
+				userId: v.id('users'),
+				mnemonic: v.string(),
+				createdAt: v.number()
+			}),
+			user: v.object({
+				_id: v.id('users'),
+				_creationTime: v.number(),
+				telegramId: v.int64(),
+				telegramChatId: v.optional(v.int64()),
+				geminiApiKey: v.optional(v.string()),
+				systemPrompt: v.optional(v.string()),
+				followUpPrompt: v.optional(v.string()),
+				model: v.string(),
+				followUpModel: v.optional(v.string()),
+				activeChatId: v.optional(v.id('chats'))
+			})
+		}),
+		v.null()
+	),
+	handler: async (ctx, args) => {
+		const chat = await ctx.db
+			.query('chats')
+			.withIndex('by_mnemonic', (q) => q.eq('mnemonic', args.mnemonic))
+			.unique();
+
+		if (!chat) {
+			return null;
+		}
+
+		const user = await ctx.db.get(chat.userId);
+		if (!user) {
+			return null;
+		}
+
+		return { chat, user };
+	}
+});