adding card dav and cald dav

migrations/20250415000000_carddav_schema.sql

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+-- Create the carddav schema if it doesn't exist
+CREATE SCHEMA IF NOT EXISTS carddav;
+
+-- Address books table
+CREATE TABLE IF NOT EXISTS carddav.address_books (
+    id UUID PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    owner_id VARCHAR(36) NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
+    description TEXT,
+    color VARCHAR(50),
+    is_public BOOLEAN NOT NULL DEFAULT FALSE,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(owner_id, name)
+);
+
+-- Address book sharing
+CREATE TABLE IF NOT EXISTS carddav.address_book_shares (
+    address_book_id UUID NOT NULL REFERENCES carddav.address_books(id) ON DELETE CASCADE,
+    user_id VARCHAR(36) NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
+    can_write BOOLEAN NOT NULL DEFAULT FALSE,
+    PRIMARY KEY(address_book_id, user_id)
+);
+
+-- Contacts table
+CREATE TABLE IF NOT EXISTS carddav.contacts (
+    id UUID PRIMARY KEY,
+    address_book_id UUID NOT NULL REFERENCES carddav.address_books(id) ON DELETE CASCADE,
+    uid VARCHAR(255) NOT NULL,
+    full_name VARCHAR(255),
+    first_name VARCHAR(255),
+    last_name VARCHAR(255),
+    nickname VARCHAR(255),
+    email JSONB,
+    phone JSONB,
+    address JSONB,
+    organization VARCHAR(255),
+    title VARCHAR(255),
+    notes TEXT,
+    photo_url TEXT,
+    birthday DATE,
+    anniversary DATE,
+    vcard TEXT NOT NULL,
+    etag VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(address_book_id, uid)
+);
+
+-- Contact groups
+CREATE TABLE IF NOT EXISTS carddav.contact_groups (
+    id UUID PRIMARY KEY,
+    address_book_id UUID NOT NULL REFERENCES carddav.address_books(id) ON DELETE CASCADE,
+    name VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Group memberships
+CREATE TABLE IF NOT EXISTS carddav.group_memberships (
+    group_id UUID NOT NULL REFERENCES carddav.contact_groups(id) ON DELETE CASCADE,
+    contact_id UUID NOT NULL REFERENCES carddav.contacts(id) ON DELETE CASCADE,
+    PRIMARY KEY(group_id, contact_id)
+);
+
+-- Create indexes for better performance
+CREATE INDEX IF NOT EXISTS idx_contacts_address_book_id ON carddav.contacts(address_book_id);
+CREATE INDEX IF NOT EXISTS idx_contacts_uid ON carddav.contacts(uid);
+CREATE INDEX IF NOT EXISTS idx_contacts_updated_at ON carddav.contacts(updated_at);
+CREATE INDEX IF NOT EXISTS idx_address_books_owner_id ON carddav.address_books(owner_id);
+CREATE INDEX IF NOT EXISTS idx_group_memberships_group_id ON carddav.group_memberships(group_id);
+CREATE INDEX IF NOT EXISTS idx_group_memberships_contact_id ON carddav.group_memberships(contact_id);