feat: валидатор IPv4, CRUD-запросы, схема БД

sql/schema.sql

@@ -0,0 +1,39 @@
+-- IP WhiteList schema
+
+CREATE TABLE IF NOT EXISTS companies (
+    id            SERIAL PRIMARY KEY,
+    client_id     VARCHAR(64) UNIQUE NOT NULL,
+    name          VARCHAR(255),
+    custom_limit  INTEGER DEFAULT NULL,
+    created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at    TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS whitelist_entries (
+    id           SERIAL PRIMARY KEY,
+    company_id   INTEGER NOT NULL REFERENCES companies(id),
+    value_cidr   VARCHAR(18) NOT NULL,
+    comment      VARCHAR(255),
+    created_by   VARCHAR(255) NOT NULL,
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_by   VARCHAR(255),
+    updated_at   TIMESTAMPTZ,
+    deleted_by   VARCHAR(255),
+    deleted_at   TIMESTAMPTZ
+);
+
+CREATE INDEX IF NOT EXISTS idx_entries_active
+    ON whitelist_entries(company_id, value_cidr) WHERE deleted_at IS NULL;
+
+CREATE TABLE IF NOT EXISTS audit_log (
+    id           SERIAL PRIMARY KEY,
+    user_email   VARCHAR(255) NOT NULL,
+    company_id   INTEGER NOT NULL,
+    action       VARCHAR(32) NOT NULL,
+    old_value    TEXT,
+    new_value    TEXT,
+    entry_id     INTEGER,
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_audit_company ON audit_log(company_id);