initial commit

2025-11-29 00:28:21 +05:00
parent 46229acc82
commit ec3b03a935
76 changed files with 13492 additions and 0 deletions
--- a/migrations/00013_create_functions.sql
+++ b/migrations/00013_create_functions.sql
@@ -0,0 +1,158 @@
+-- +goose Up
+-- +goose StatementBegin
+
+-- =========================================
+-- ФУНКЦИЯ: find_requests_nearby - Геопоиск заявок
+-- =========================================
+CREATE OR REPLACE FUNCTION find_requests_nearby(
+    lat DOUBLE PRECISION,
+    lon DOUBLE PRECISION,
+    radius_meters INTEGER DEFAULT 5000,
+    req_status request_status DEFAULT 'approved'
+)
+RETURNS TABLE (
+    id BIGINT,
+    title VARCHAR(255),
+    description TEXT,
+    address TEXT,
+    distance_meters DOUBLE PRECISION,
+    urgency VARCHAR(20),
+    created_at TIMESTAMP WITH TIME ZONE
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT
+        r.id,
+        r.title,
+        r.description,
+        r.address,
+        ST_Distance(
+            r.location,
+            ST_SetSRID(ST_MakePoint(lon, lat), 4326)::geography
+        ) as distance_meters,
+        r.urgency,
+        r.created_at
+    FROM requests r
+    WHERE
+        r.status = req_status
+        AND r.deleted_at IS NULL
+        AND ST_DWithin(
+            r.location,
+            ST_SetSRID(ST_MakePoint(lon, lat), 4326)::geography,
+            radius_meters
+        )
+    ORDER BY distance_meters;
+END;
+$$ LANGUAGE plpgsql;
+
+COMMENT ON FUNCTION find_requests_nearby IS 'Поиск заявок в радиусе от точки с возвратом расстояния в метрах';
+
+-- =========================================
+-- ФУНКЦИЯ: cleanup_expired_tokens - Очистка истёкших токенов
+-- =========================================
+CREATE OR REPLACE FUNCTION cleanup_expired_tokens()
+RETURNS INTEGER AS $$
+DECLARE
+    deleted_count INTEGER;
+BEGIN
+    -- Удаляем истёкшие refresh токены
+    DELETE FROM refresh_tokens
+    WHERE expires_at < CURRENT_TIMESTAMP
+    AND revoked = FALSE;
+
+    GET DIAGNOSTICS deleted_count = ROW_COUNT;
+
+    -- Удаляем истёкшие сессии
+    DELETE FROM user_sessions
+    WHERE expires_at < CURRENT_TIMESTAMP;
+
+    RETURN deleted_count;
+END;
+$$ LANGUAGE plpgsql;
+
+COMMENT ON FUNCTION cleanup_expired_tokens IS 'Удаление истёкших токенов и сессий. Рекомендуется запускать по расписанию';
+
+-- =========================================
+-- ФУНКЦИЯ: calculate_distance_meters - Расчёт расстояния между точками
+-- =========================================
+CREATE OR REPLACE FUNCTION calculate_distance_meters(
+    lat1 DOUBLE PRECISION,
+    lon1 DOUBLE PRECISION,
+    lat2 DOUBLE PRECISION,
+    lon2 DOUBLE PRECISION
+)
+RETURNS DOUBLE PRECISION AS $$
+BEGIN
+    RETURN ST_Distance(
+        ST_SetSRID(ST_MakePoint(lon1, lat1), 4326)::geography,
+        ST_SetSRID(ST_MakePoint(lon2, lat2), 4326)::geography
+    );
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;
+
+COMMENT ON FUNCTION calculate_distance_meters IS 'Расчёт расстояния между двумя точками в метрах';
+
+-- =========================================
+-- ФУНКЦИЯ: get_user_permissions - Получение прав пользователя
+-- =========================================
+CREATE OR REPLACE FUNCTION get_user_permissions(p_user_id BIGINT)
+RETURNS TABLE (
+    permission_name VARCHAR(100),
+    resource VARCHAR(50),
+    action VARCHAR(50)
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT DISTINCT
+        p.name,
+        p.resource,
+        p.action
+    FROM users u
+    JOIN user_roles ur ON ur.user_id = u.id
+    JOIN role_permissions rp ON rp.role_id = ur.role_id
+    JOIN permissions p ON p.id = rp.permission_id
+    WHERE u.id = p_user_id
+    AND u.deleted_at IS NULL
+    AND u.is_blocked = FALSE;
+END;
+$$ LANGUAGE plpgsql;
+
+COMMENT ON FUNCTION get_user_permissions IS 'Получение всех разрешений пользователя через его роли';
+
+-- =========================================
+-- ФУНКЦИЯ: has_permission - Проверка наличия разрешения
+-- =========================================
+CREATE OR REPLACE FUNCTION has_permission(
+    p_user_id BIGINT,
+    p_permission_name VARCHAR(100)
+)
+RETURNS BOOLEAN AS $$
+BEGIN
+    RETURN EXISTS(
+        SELECT 1
+        FROM users u
+        JOIN user_roles ur ON ur.user_id = u.id
+        JOIN role_permissions rp ON rp.role_id = ur.role_id
+        JOIN permissions p ON p.id = rp.permission_id
+        WHERE u.id = p_user_id
+        AND p.name = p_permission_name
+        AND u.deleted_at IS NULL
+        AND u.is_blocked = FALSE
+    );
+END;
+$$ LANGUAGE plpgsql;
+
+COMMENT ON FUNCTION has_permission IS 'Быстрая проверка наличия конкретного разрешения у пользователя';
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+
+DROP FUNCTION IF EXISTS has_permission;
+DROP FUNCTION IF EXISTS get_user_permissions;
+DROP FUNCTION IF EXISTS calculate_distance_meters;
+DROP FUNCTION IF EXISTS cleanup_expired_tokens;
+DROP FUNCTION IF EXISTS find_requests_nearby;
+
+-- +goose StatementEnd