Migrate Synapsis to embedded Turso

src/db/index.ts

@@ -1,26 +1,19 @@
-import { drizzle } from 'drizzle-orm/node-postgres';
-import { Pool } from 'pg';
-import * as schema from './schema';
+import { mkdirSync } from 'node:fs';
+import { dirname, resolve } from 'node:path';
+import { drizzle } from 'drizzle-orm/tursodatabase/database';
+import { relations } from './relations';
 
-// Best Practice for VPS/Self-Hosting:
-// We use 'pg' (node-postgres) which connects via standard TCP.
-// This works for local Postgres, Docker, VPS, and managed clouds (AWS RDS, Neon, etc.).
+const configuredPath = process.env.DATABASE_PATH || './data/synapsis.db';
+const databasePath = configuredPath === ':memory:' ? configuredPath : resolve(configuredPath);
 
-const connectionString = process.env.DATABASE_URL || 'postgres://placeholder:placeholder@localhost:5432/placeholder';
+if (databasePath !== ':memory:') {
+    mkdirSync(dirname(databasePath), { recursive: true });
+}
 
-// Create a connection pool
-const pool = new Pool({
-    connectionString,
-    max: 20, // Adjust based on your server capacity
-    idleTimeoutMillis: 30000,
-    connectionTimeoutMillis: 2000,
-});
+export const db = drizzle(databasePath, { relations });
 
-// Create the Drizzle client
-export const db = drizzle(pool, { schema });
-
-// Helper to check if DB is configured
-export const isDbAvailable = () => !!process.env.DATABASE_URL;
+// Embedded Turso is always available; DATABASE_PATH only changes its location.
+export const isDbAvailable = () => true;
 
 // Export schema for use elsewhere
 export * from './schema';

src/db/relations.ts

@@ -0,0 +1,177 @@
+import { defineRelations } from 'drizzle-orm';
+import * as schema from './schema';
+
+export const relations = defineRelations(schema, (r) => ({
+  users: {
+    node: r.one.nodes({ from: r.users.nodeId, to: r.nodes.id }),
+    botOwner: r.one.users({
+      from: r.users.botOwnerId,
+      to: r.users.id,
+      alias: 'ownedBots',
+    }),
+    ownedBotUsers: r.many.users({
+      from: r.users.id,
+      to: r.users.botOwnerId,
+      alias: 'ownedBots',
+    }),
+    posts: r.many.posts({ from: r.users.id, to: r.posts.userId }),
+    followersRelation: r.many.follows({
+      from: r.users.id,
+      to: r.follows.followingId,
+      alias: 'following',
+    }),
+    followingRelation: r.many.follows({
+      from: r.users.id,
+      to: r.follows.followerId,
+      alias: 'follower',
+    }),
+  },
+  posts: {
+    author: r.one.users({ from: r.posts.userId, to: r.users.id, optional: false }),
+    bot: r.one.bots({ from: r.posts.botId, to: r.bots.id }),
+    removedByUser: r.one.users({ from: r.posts.removedBy, to: r.users.id }),
+    replyTo: r.one.posts({
+      from: r.posts.replyToId,
+      to: r.posts.id,
+      alias: 'replies',
+    }),
+    replies: r.many.posts({
+      from: r.posts.id,
+      to: r.posts.replyToId,
+      alias: 'replies',
+    }),
+    repostOf: r.one.posts({
+      from: r.posts.repostOfId,
+      to: r.posts.id,
+      alias: 'reposts',
+    }),
+    reposts: r.many.posts({
+      from: r.posts.id,
+      to: r.posts.repostOfId,
+      alias: 'reposts',
+    }),
+    likes: r.many.likes({ from: r.posts.id, to: r.likes.postId }),
+    media: r.many.media({ from: r.posts.id, to: r.media.postId }),
+  },
+  media: {
+    user: r.one.users({ from: r.media.userId, to: r.users.id, optional: false }),
+    post: r.one.posts({ from: r.media.postId, to: r.posts.id }),
+  },
+  follows: {
+    follower: r.one.users({
+      from: r.follows.followerId,
+      to: r.users.id,
+      alias: 'follower',
+      optional: false,
+    }),
+    following: r.one.users({
+      from: r.follows.followingId,
+      to: r.users.id,
+      alias: 'following',
+      optional: false,
+    }),
+  },
+  likes: {
+    user: r.one.users({ from: r.likes.userId, to: r.users.id, optional: false }),
+    post: r.one.posts({ from: r.likes.postId, to: r.posts.id, optional: false }),
+  },
+  notifications: {
+    recipient: r.one.users({
+      from: r.notifications.userId,
+      to: r.users.id,
+      alias: 'recipient',
+      optional: false,
+    }),
+    actor: r.one.users({
+      from: r.notifications.actorId,
+      to: r.users.id,
+      alias: 'actor',
+      optional: false,
+    }),
+    post: r.one.posts({ from: r.notifications.postId, to: r.posts.id }),
+  },
+  sessions: {
+    user: r.one.users({ from: r.sessions.userId, to: r.users.id, optional: false }),
+  },
+  blocks: {
+    user: r.one.users({ from: r.blocks.userId, to: r.users.id, optional: false }),
+    blockedUser: r.one.users({ from: r.blocks.blockedUserId, to: r.users.id, optional: false }),
+  },
+  mutes: {
+    user: r.one.users({ from: r.mutes.userId, to: r.users.id, optional: false }),
+    mutedUser: r.one.users({ from: r.mutes.mutedUserId, to: r.users.id, optional: false }),
+  },
+  mutedNodes: {
+    user: r.one.users({ from: r.mutedNodes.userId, to: r.users.id, optional: false }),
+  },
+  reports: {
+    reporter: r.one.users({ from: r.reports.reporterId, to: r.users.id }),
+    resolver: r.one.users({ from: r.reports.resolvedBy, to: r.users.id }),
+  },
+  bots: {
+    user: r.one.users({
+      from: r.bots.userId,
+      to: r.users.id,
+      alias: 'botUser',
+      optional: false,
+    }),
+    owner: r.one.users({
+      from: r.bots.ownerId,
+      to: r.users.id,
+      alias: 'botOwner',
+      optional: false,
+    }),
+    contentSources: r.many.botContentSources({ from: r.bots.id, to: r.botContentSources.botId }),
+    mentions: r.many.botMentions({ from: r.bots.id, to: r.botMentions.botId }),
+    activityLogs: r.many.botActivityLogs({ from: r.bots.id, to: r.botActivityLogs.botId }),
+    rateLimits: r.many.botRateLimits({ from: r.bots.id, to: r.botRateLimits.botId }),
+  },
+  botContentSources: {
+    bot: r.one.bots({ from: r.botContentSources.botId, to: r.bots.id, optional: false }),
+    contentItems: r.many.botContentItems({
+      from: r.botContentSources.id,
+      to: r.botContentItems.sourceId,
+    }),
+  },
+  botContentItems: {
+    source: r.one.botContentSources({
+      from: r.botContentItems.sourceId,
+      to: r.botContentSources.id,
+      optional: false,
+    }),
+    post: r.one.posts({ from: r.botContentItems.postId, to: r.posts.id }),
+  },
+  botMentions: {
+    bot: r.one.bots({ from: r.botMentions.botId, to: r.bots.id, optional: false }),
+    post: r.one.posts({ from: r.botMentions.postId, to: r.posts.id, optional: false }),
+    author: r.one.users({ from: r.botMentions.authorId, to: r.users.id, optional: false }),
+    responsePost: r.one.posts({
+      from: r.botMentions.responsePostId,
+      to: r.posts.id,
+    }),
+  },
+  botActivityLogs: {
+    bot: r.one.bots({ from: r.botActivityLogs.botId, to: r.bots.id, optional: false }),
+  },
+  botRateLimits: {
+    bot: r.one.bots({ from: r.botRateLimits.botId, to: r.bots.id, optional: false }),
+  },
+  chatConversations: {
+    participant1: r.one.users({
+      from: r.chatConversations.participant1Id,
+      to: r.users.id,
+      optional: false,
+    }),
+    messages: r.many.chatMessages({
+      from: r.chatConversations.id,
+      to: r.chatMessages.conversationId,
+    }),
+  },
+  chatMessages: {
+    conversation: r.one.chatConversations({
+      from: r.chatMessages.conversationId,
+      to: r.chatConversations.id,
+      optional: false,
+    }),
+  },
+}));