feat: initial commit

Axum/Postgres server with auth, migrations, and Docker setup.

migrations/20260812114905_create_user_table.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE IF EXISTS auth_tokens;
+DROP TYPE  IF EXISTS auth_token_kind;
+DROP TABLE IF EXISTS users;

migrations/20260812114905_create_user_table.up.sql

@@ -0,0 +1,28 @@
+CREATE TABLE users (
+    id             UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    email          TEXT NOT NULL UNIQUE,
+    password_hash  TEXT NOT NULL,
+    username       TEXT NOT NULL UNIQUE,
+    display_name   TEXT NOT NULL,
+    avatar_url     TEXT,
+    bio            TEXT,
+    email_verified BOOLEAN NOT NULL DEFAULT false,
+    created_at     TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at     TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    deleted_at     TIMESTAMPTZ
+);
+
+CREATE TYPE auth_token_kind AS ENUM ('password_reset', 'email_verification', 'refresh_token');
+
+CREATE TABLE auth_tokens (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id    UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    token_hash TEXT NOT NULL,
+    kind       auth_token_kind NOT NULL,
+    expires_at TIMESTAMPTZ NOT NULL,
+    used_at    TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX auth_tokens_user_id_idx  ON auth_tokens(user_id);
+CREATE INDEX auth_tokens_token_hash_idx ON auth_tokens(token_hash);

migrations/20260812120000_create_workspaces.down.sql

@@ -0,0 +1,4 @@
+DROP TABLE IF EXISTS workspace_invitations;
+DROP TABLE IF EXISTS workspace_members;
+DROP TABLE IF EXISTS workspaces;
+DROP TYPE  IF EXISTS workspace_role;

migrations/20260812120000_create_workspaces.up.sql

@@ -0,0 +1,34 @@
+CREATE TYPE workspace_role AS ENUM ('owner', 'admin', 'member');
+
+CREATE TABLE workspaces (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name       TEXT NOT NULL,
+    slug       TEXT NOT NULL UNIQUE,
+    owner_id   UUID NOT NULL REFERENCES users(id),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+CREATE TABLE workspace_members (
+    workspace_id UUID          NOT NULL REFERENCES workspaces(id) ON DELETE CASCADE,
+    user_id      UUID          NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    role         workspace_role NOT NULL DEFAULT 'member',
+    display_name TEXT,
+    avatar_url   TEXT,
+    joined_at    TIMESTAMPTZ   NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (workspace_id, user_id)
+);
+
+CREATE TABLE workspace_invitations (
+    id           UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    workspace_id UUID NOT NULL REFERENCES workspaces(id) ON DELETE CASCADE,
+    created_by   UUID NOT NULL REFERENCES users(id),
+    token        TEXT NOT NULL UNIQUE,
+    max_uses     INT,
+    use_count    INT NOT NULL DEFAULT 0,
+    expires_at   TIMESTAMPTZ,
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX workspace_members_user_id_idx ON workspace_members(user_id);

migrations/20260812130000_create_conversations.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE IF EXISTS conversation_members;
+DROP TABLE IF EXISTS conversations;
+DROP TYPE  IF EXISTS conversation_kind;

migrations/20260812130000_create_conversations.up.sql

@@ -0,0 +1,23 @@
+CREATE TYPE conversation_kind AS ENUM ('dm', 'group', 'channel');
+
+CREATE TABLE conversations (
+    id           UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    workspace_id UUID REFERENCES workspaces(id) ON DELETE CASCADE,
+    kind         conversation_kind NOT NULL,
+    name         TEXT,
+    is_public    BOOLEAN NOT NULL DEFAULT true,
+    created_by   UUID NOT NULL REFERENCES users(id),
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at   TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    deleted_at   TIMESTAMPTZ
+);
+
+CREATE TABLE conversation_members (
+    conversation_id UUID        NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
+    user_id         UUID        NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    joined_at       TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (conversation_id, user_id)
+);
+
+CREATE INDEX conversations_workspace_id_idx       ON conversations(workspace_id);
+CREATE INDEX conversation_members_user_id_idx     ON conversation_members(user_id);

migrations/20260812140000_create_messages.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE IF EXISTS reactions;
+DROP TABLE IF EXISTS attachments;
+DROP TABLE IF EXISTS messages;

migrations/20260812140000_create_messages.up.sql

@@ -0,0 +1,31 @@
+CREATE TABLE messages (
+    id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    conversation_id UUID        NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
+    user_id         UUID        NOT NULL REFERENCES users(id),
+    content         TEXT        NOT NULL,
+    created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    deleted_at      TIMESTAMPTZ
+);
+
+CREATE TABLE attachments (
+    id         UUID   PRIMARY KEY DEFAULT gen_random_uuid(),
+    message_id UUID   NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
+    url        TEXT   NOT NULL,
+    filename   TEXT   NOT NULL,
+    mime_type  TEXT   NOT NULL,
+    size_bytes BIGINT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE reactions (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
+    user_id    UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    emoji      TEXT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    UNIQUE (message_id, user_id, emoji)
+);
+
+CREATE INDEX messages_conversation_id_created_at_idx ON messages(conversation_id, created_at DESC);
+CREATE INDEX reactions_message_id_idx                ON reactions(message_id);