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import { EmbeddingService, SupabaseProjectStore, SupabaseStore } from "@imemio/sdk";
import type { SupabaseClient } from "@supabase/supabase-js";
import { TRPCError } from "@trpc/server";
import { z } from "zod";
import { env } from "~/env";
import { createClient } from "~/lib/supabase/server";
import { createTRPCRouter, protectedProcedure } from "~/server/api/trpc";
function getEmbeddingService(): EmbeddingService | null {
const openaiApiKey = env.OPENAI_API_KEY;
if (!openaiApiKey) {
return null;
}
return new EmbeddingService({ apiKey: openaiApiKey });
}
const defaultProjectName = "default";
async function getOrCreateDefaultProject(
supabaseClient: SupabaseClient,
userId: string,
): Promise<string> {
const projectStore = new SupabaseProjectStore(supabaseClient, userId);
const projectsResult = await projectStore.list();
if (projectsResult.success && projectsResult.value.length > 0) {
const existingDefaultProject = projectsResult.value.find(
(project) => project.name === defaultProjectName,
);
if (existingDefaultProject) {
return existingDefaultProject.id;
}
const firstProject = projectsResult.value[0];
if (firstProject) {
return firstProject.id;
}
}
const createResult = await projectStore.create({ name: defaultProjectName });
if (!createResult.success) {
throw new Error("Failed to create default project");
}
return createResult.value.id;
}
export const memoryRouter = createTRPCRouter({
list: protectedProcedure.query(async ({ ctx: context }) => {
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const memories = await memoryStore.list();
return memories;
}),
listWithProjects: protectedProcedure
.input(
z.object({
projectId: z.string().optional(),
sortOrder: z.enum(["asc", "desc"]).optional().default("desc"),
}),
)
.query(async ({ ctx: context, input }) => {
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const projectStore = new SupabaseProjectStore(
supabaseClient,
context.user.id,
);
const memories = await memoryStore.list(
input.projectId ? { projectId: input.projectId } : undefined,
);
const projectsResult = await projectStore.list();
const projects = projectsResult.success ? projectsResult.value : [];
const projectMap = new Map(projects.map((project) => [project.id, project]));
const memoriesWithProjects = memories.map((memory) => ({
...memory,
project: projectMap.get(memory.projectId) ?? null,
}));
const sortedMemories = memoriesWithProjects.sort((memoryA, memoryB) => {
const comparison =
new Date(memoryA.createdAt).getTime() -
new Date(memoryB.createdAt).getTime();
return input.sortOrder === "desc" ? -comparison : comparison;
});
return { memories: sortedMemories, projects };
}),
create: protectedProcedure
.input(
z.object({
content: z.string().min(1),
projectId: z.string().optional(),
}),
)
.mutation(async ({ ctx: context, input }) => {
const supabaseClient = await createClient();
const projectId =
input.projectId ??
(await getOrCreateDefaultProject(supabaseClient, context.user.id));
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const memory = await memoryStore.create({
content: input.content,
projectId,
});
return memory;
}),
update: protectedProcedure
.input(
z.object({
id: z.string(),
content: z.string().min(1).optional(),
projectId: z.string().optional(),
}),
)
.mutation(async ({ ctx: context, input }) => {
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const updateData: { content?: string; projectId?: string } = {};
if (input.content !== undefined) {
updateData.content = input.content;
}
if (input.projectId !== undefined) {
updateData.projectId = input.projectId;
}
const updateResult = await memoryStore.update(input.id, updateData);
if (!updateResult.success) {
throw new TRPCError({
code: "NOT_FOUND",
message: `Memory not found: ${input.id}`,
});
}
return updateResult.value;
}),
delete: protectedProcedure
.input(z.object({ id: z.string() }))
.mutation(async ({ ctx: context, input }) => {
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const deleteResult = await memoryStore.delete(input.id);
if (!deleteResult.success) {
throw new TRPCError({
code: "NOT_FOUND",
message: `Memory not found: ${input.id}`,
});
}
return { success: true };
}),
search: protectedProcedure
.input(
z.object({
query: z.string().min(1),
projectId: z.string().optional(),
limit: z.number().optional().default(20),
}),
)
.query(async ({ ctx: context, input }) => {
const embeddingService = getEmbeddingService();
if (!embeddingService) {
throw new TRPCError({
code: "PRECONDITION_FAILED",
message: "Search requires OPENAI_API_KEY to be configured.",
});
}
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const projectStore = new SupabaseProjectStore(
supabaseClient,
context.user.id,
);
const queryEmbedding = await embeddingService.generate(input.query);
const searchResults = await memoryStore.search(queryEmbedding, {
projectId: input.projectId,
limit: input.limit,
threshold: 0.3,
});
const projectsResult = await projectStore.list();
const projects = projectsResult.success ? projectsResult.value : [];
const projectMap = new Map(projects.map((project) => [project.id, project]));
const resultsWithProjects = searchResults.map((result) => ({
...result,
project: projectMap.get(result.projectId) ?? null,
}));
return { results: resultsWithProjects, projects };
}),
embeddingInfo: protectedProcedure.query(() => {
const embeddingService = getEmbeddingService();
return { available: embeddingService !== null };
}),
reembed: protectedProcedure.mutation(async ({ ctx: context }) => {
const embeddingService = getEmbeddingService();
if (!embeddingService) {
throw new TRPCError({
code: "PRECONDITION_FAILED",
message: "Search is not configured on this server.",
});
}
const supabaseClient = await createClient();
const memoryStore = new SupabaseStore(supabaseClient, context.user.id);
const memories = await memoryStore.list();
let updated = 0;
for (const memory of memories) {
const embedding = await embeddingService.generate(memory.content);
const { error } = await supabaseClient
.from("memories")
.update({
embedding: JSON.stringify(embedding),
embedding_dimensions: embeddingService.dimensions,
})
.eq("id", memory.id)
.eq("user_id", context.user.id);
if (!error) {
updated++;
}
}
return { total: memories.length, updated };
}),
});
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