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/00014_create_triggers.sql
+++ b/migrations/00014_create_triggers.sql
@@ -0,0 +1,198 @@
+-- +goose Up
+-- +goose StatementBegin
+
+-- =========================================
+-- ТРИГГЕР: Автообновление updated_at
+-- =========================================
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- Применяем триггер к таблицам с updated_at
+CREATE TRIGGER update_users_updated_at
+    BEFORE UPDATE ON users
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_requests_updated_at
+    BEFORE UPDATE ON requests
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_volunteer_responses_updated_at
+    BEFORE UPDATE ON volunteer_responses
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_ratings_updated_at
+    BEFORE UPDATE ON ratings
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_complaints_updated_at
+    BEFORE UPDATE ON complaints
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+COMMENT ON FUNCTION update_updated_at_column IS 'Автоматическое обновление поля updated_at при изменении записи';
+
+-- =========================================
+-- ТРИГГЕР: Обновление рейтинга волонтёра
+-- =========================================
+CREATE OR REPLACE FUNCTION update_volunteer_rating()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- Обновляем средний рейтинг и количество выполненных заявок
+    UPDATE users
+    SET
+        volunteer_rating = (
+            SELECT COALESCE(ROUND(AVG(rating)::numeric, 2), 0)
+            FROM ratings
+            WHERE volunteer_id = NEW.volunteer_id
+        ),
+        completed_requests_count = (
+            SELECT COUNT(*)
+            FROM ratings
+            WHERE volunteer_id = NEW.volunteer_id
+        )
+    WHERE id = NEW.volunteer_id;
+
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- Триггеры для INSERT и UPDATE рейтингов
+CREATE TRIGGER update_volunteer_rating_on_insert
+    AFTER INSERT ON ratings
+    FOR EACH ROW
+    EXECUTE FUNCTION update_volunteer_rating();
+
+CREATE TRIGGER update_volunteer_rating_on_update
+    AFTER UPDATE ON ratings
+    FOR EACH ROW
+    WHEN (OLD.rating IS DISTINCT FROM NEW.rating OR OLD.volunteer_id IS DISTINCT FROM NEW.volunteer_id)
+    EXECUTE FUNCTION update_volunteer_rating();
+
+COMMENT ON FUNCTION update_volunteer_rating IS 'Автоматический пересчёт рейтинга волонтёра при добавлении/изменении оценки';
+
+-- =========================================
+-- ТРИГГЕР: Синхронизация статуса блокировки пользователя
+-- =========================================
+CREATE OR REPLACE FUNCTION sync_user_block_status()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- При INSERT или UPDATE активной блокировки
+    IF (TG_OP = 'INSERT' OR TG_OP = 'UPDATE') AND NEW.is_active = TRUE THEN
+        UPDATE users SET is_blocked = TRUE WHERE id = NEW.user_id;
+
+    -- При DELETE или деактивации блокировки
+    ELSIF TG_OP = 'DELETE' OR (TG_OP = 'UPDATE' AND NEW.is_active = FALSE) THEN
+        -- Проверяем, есть ли другие активные блокировки
+        UPDATE users
+        SET is_blocked = EXISTS(
+            SELECT 1
+            FROM user_blocks
+            WHERE user_id = COALESCE(NEW.user_id, OLD.user_id)
+            AND is_active = TRUE
+            AND id != COALESCE(NEW.id, OLD.id)
+        )
+        WHERE id = COALESCE(NEW.user_id, OLD.user_id);
+    END IF;
+
+    RETURN COALESCE(NEW, OLD);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER sync_user_block_status_trigger
+    AFTER INSERT OR UPDATE OR DELETE ON user_blocks
+    FOR EACH ROW
+    EXECUTE FUNCTION sync_user_block_status();
+
+COMMENT ON FUNCTION sync_user_block_status IS 'Синхронизация флага is_blocked в users при изменении блокировок';
+
+-- =========================================
+-- ТРИГГЕР: Автоматическое создание записи в истории статусов
+-- =========================================
+CREATE OR REPLACE FUNCTION log_request_status_change()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- При создании заявки
+    IF TG_OP = 'INSERT' THEN
+        INSERT INTO request_status_history (request_id, from_status, to_status, changed_by)
+        VALUES (NEW.id, NULL, NEW.status, NEW.requester_id);
+
+    -- При изменении статуса
+    ELSIF TG_OP = 'UPDATE' AND OLD.status IS DISTINCT FROM NEW.status THEN
+        INSERT INTO request_status_history (request_id, from_status, to_status, changed_by)
+        VALUES (
+            NEW.id,
+            OLD.status,
+            NEW.status,
+            COALESCE(NEW.moderated_by, NEW.assigned_volunteer_id, NEW.requester_id)
+        );
+    END IF;
+
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER log_request_status_change_trigger
+    AFTER INSERT OR UPDATE ON requests
+    FOR EACH ROW
+    EXECUTE FUNCTION log_request_status_change();
+
+COMMENT ON FUNCTION log_request_status_change IS 'Автоматическое логирование всех изменений статусов заявок';
+
+-- =========================================
+-- ТРИГГЕР: Проверка истечения временной блокировки
+-- =========================================
+CREATE OR REPLACE FUNCTION check_block_expiration()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- Если блокировка временная и истекла, деактивируем её
+    IF NEW.blocked_until IS NOT NULL AND NEW.blocked_until < CURRENT_TIMESTAMP THEN
+        NEW.is_active = FALSE;
+        NEW.unblocked_at = CURRENT_TIMESTAMP;
+    END IF;
+
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER check_block_expiration_trigger
+    BEFORE INSERT OR UPDATE ON user_blocks
+    FOR EACH ROW
+    WHEN (NEW.blocked_until IS NOT NULL)
+    EXECUTE FUNCTION check_block_expiration();
+
+COMMENT ON FUNCTION check_block_expiration IS 'Автоматическая деактивация истёкших временных блокировок';
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+
+-- Удаляем триггеры
+DROP TRIGGER IF EXISTS check_block_expiration_trigger ON user_blocks;
+DROP TRIGGER IF EXISTS log_request_status_change_trigger ON requests;
+DROP TRIGGER IF EXISTS sync_user_block_status_trigger ON user_blocks;
+DROP TRIGGER IF EXISTS update_volunteer_rating_on_update ON ratings;
+DROP TRIGGER IF EXISTS update_volunteer_rating_on_insert ON ratings;
+DROP TRIGGER IF EXISTS update_complaints_updated_at ON complaints;
+DROP TRIGGER IF EXISTS update_ratings_updated_at ON ratings;
+DROP TRIGGER IF EXISTS update_volunteer_responses_updated_at ON volunteer_responses;
+DROP TRIGGER IF EXISTS update_requests_updated_at ON requests;
+DROP TRIGGER IF EXISTS update_users_updated_at ON users;
+
+-- Удаляем функции
+DROP FUNCTION IF EXISTS check_block_expiration;
+DROP FUNCTION IF EXISTS log_request_status_change;
+DROP FUNCTION IF EXISTS sync_user_block_status;
+DROP FUNCTION IF EXISTS update_volunteer_rating;
+DROP FUNCTION IF EXISTS update_updated_at_column;
+
+-- +goose StatementEnd