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/00005_create_requests_table.sql
+++ b/migrations/00005_create_requests_table.sql
@@ -0,0 +1,103 @@
+-- +goose Up
+-- +goose StatementBegin
+
+-- =========================================
+-- ENUM: request_status - Статусы заявки
+-- =========================================
+CREATE TYPE request_status AS ENUM (
+    'pending_moderation',  -- На модерации
+    'approved',            -- Одобрена, ожидает отклика волонтёра
+    'in_progress',         -- Взята волонтёром в работу
+    'completed',           -- Успешно выполнена
+    'cancelled',           -- Отменена заявителем
+    'rejected'             -- Отклонена модератором
+);
+
+COMMENT ON TYPE request_status IS 'Статусы жизненного цикла заявки на помощь';
+
+-- =========================================
+-- ТАБЛИЦА: requests - Заявки на помощь
+-- =========================================
+CREATE TABLE requests (
+    id BIGSERIAL PRIMARY KEY,
+
+    -- Связи
+    requester_id BIGINT NOT NULL REFERENCES users(id),
+    request_type_id BIGINT NOT NULL REFERENCES request_types(id),
+    assigned_volunteer_id BIGINT REFERENCES users(id),
+
+    -- Основная информация
+    title VARCHAR(255) NOT NULL,
+    description TEXT NOT NULL,
+
+    -- Геолокация (обязательное поле для геопоиска)
+    location GEOGRAPHY(POINT, 4326) NOT NULL,
+    address TEXT NOT NULL,
+    city VARCHAR(100),
+
+    -- Детали
+    desired_completion_date TIMESTAMP WITH TIME ZONE,
+    urgency VARCHAR(20) DEFAULT 'medium' CHECK (urgency IN ('low', 'medium', 'high', 'urgent')),
+
+    -- Статус и модерация
+    status request_status DEFAULT 'pending_moderation',
+    moderation_comment TEXT,
+    moderated_by BIGINT REFERENCES users(id),
+    moderated_at TIMESTAMP WITH TIME ZONE,
+
+    -- Контактная информация
+    contact_phone VARCHAR(20),
+    contact_notes TEXT,
+
+    -- Аудит
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    completed_at TIMESTAMP WITH TIME ZONE,
+    deleted_at TIMESTAMP WITH TIME ZONE
+);
+
+-- Комментарии
+COMMENT ON TABLE requests IS 'Заявки на помощь от маломобильных граждан';
+COMMENT ON COLUMN requests.location IS 'Координаты места, где нужна помощь (WGS84, SRID 4326)';
+COMMENT ON COLUMN requests.urgency IS 'Срочность: low, medium, high, urgent';
+COMMENT ON COLUMN requests.assigned_volunteer_id IS 'Волонтёр, который взял заявку в работу';
+COMMENT ON COLUMN requests.contact_notes IS 'Дополнительная информация: код домофона, этаж и т.д.';
+COMMENT ON COLUMN requests.deleted_at IS 'Soft delete - дата удаления заявки';
+
+-- Индексы
+CREATE INDEX idx_requests_requester_id ON requests(requester_id) WHERE deleted_at IS NULL;
+CREATE INDEX idx_requests_assigned_volunteer_id ON requests(assigned_volunteer_id) WHERE assigned_volunteer_id IS NOT NULL;
+CREATE INDEX idx_requests_status ON requests(status) WHERE deleted_at IS NULL;
+CREATE INDEX idx_requests_type_id ON requests(request_type_id);
+CREATE INDEX idx_requests_created_at ON requests(created_at DESC);
+CREATE INDEX idx_requests_urgency ON requests(urgency) WHERE deleted_at IS NULL;
+CREATE INDEX idx_requests_deleted_at ON requests(deleted_at) WHERE deleted_at IS NULL;
+
+-- =========================================
+-- ТАБЛИЦА: request_status_history - История изменения статусов
+-- =========================================
+CREATE TABLE request_status_history (
+    id BIGSERIAL PRIMARY KEY,
+    request_id BIGINT NOT NULL REFERENCES requests(id) ON DELETE CASCADE,
+    from_status request_status,
+    to_status request_status NOT NULL,
+    changed_by BIGINT NOT NULL REFERENCES users(id),
+    comment TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+COMMENT ON TABLE request_status_history IS 'Полная история изменения статусов заявок для аудита';
+COMMENT ON COLUMN request_status_history.from_status IS 'Предыдущий статус (NULL при создании)';
+
+-- Индекс для быстрого получения истории по заявке
+CREATE INDEX idx_request_status_history_request_id ON request_status_history(request_id);
+CREATE INDEX idx_request_status_history_created_at ON request_status_history(created_at DESC);
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS request_status_history CASCADE;
+DROP TABLE IF EXISTS requests CASCADE;
+DROP TYPE IF EXISTS request_status CASCADE;
+-- +goose StatementEnd