mirror of
https://git.meshkee.com/Meshkee/backend.git
synced 2026-08-11 22:30:59 +04:30
Ali Reza
bb59d5e9ba
NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.
74 lines
2.4 KiB
PL/PgSQL
74 lines
2.4 KiB
PL/PgSQL
-- Meshkee CMS — location reference tree (country → province → city)
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CREATE TYPE city_level AS ENUM ('country', 'province', 'city');
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CREATE TABLE cities (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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parent_id BIGINT,
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level city_level NOT NULL,
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name_fa VARCHAR(255) NOT NULL,
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name_en VARCHAR(255) NOT NULL,
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landline_code VARCHAR(10),
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slug VARCHAR(100) NOT NULL,
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sort_order INTEGER NOT NULL DEFAULT 0,
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is_active BOOLEAN NOT NULL DEFAULT TRUE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT cities_slug_unique UNIQUE (slug),
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CONSTRAINT cities_parent_id_fkey
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FOREIGN KEY (parent_id) REFERENCES cities (id) ON DELETE CASCADE,
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CONSTRAINT cities_slug_format CHECK (slug ~ '^[a-z0-9]+(?:-[a-z0-9]+)*$'),
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CONSTRAINT cities_name_fa_nonempty CHECK (char_length(trim(name_fa)) > 0),
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CONSTRAINT cities_name_en_nonempty CHECK (char_length(trim(name_en)) > 0),
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CONSTRAINT cities_landline_code_nonempty_optional CHECK (
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landline_code IS NULL OR char_length(trim(landline_code)) > 0
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),
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CONSTRAINT cities_country_root CHECK (
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(level = 'country' AND parent_id IS NULL)
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OR (level <> 'country' AND parent_id IS NOT NULL)
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)
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);
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CREATE INDEX idx_cities_parent_id ON cities (parent_id);
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CREATE INDEX idx_cities_level ON cities (level);
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CREATE INDEX idx_cities_level_parent ON cities (level, parent_id, sort_order);
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CREATE INDEX idx_cities_active ON cities (is_active) WHERE is_active = TRUE;
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CREATE TRIGGER cities_set_updated_at
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BEFORE UPDATE ON cities
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FOR EACH ROW
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EXECUTE FUNCTION set_updated_at();
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CREATE OR REPLACE FUNCTION cities_validate_parent_level()
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RETURNS TRIGGER AS $$
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DECLARE
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parent_level city_level;
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BEGIN
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IF NEW.level = 'country' THEN
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RETURN NEW;
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END IF;
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SELECT level INTO parent_level FROM cities WHERE id = NEW.parent_id;
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IF NOT FOUND THEN
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RAISE EXCEPTION 'parent city not found';
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END IF;
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IF NEW.level = 'province' AND parent_level <> 'country' THEN
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RAISE EXCEPTION 'province parent must be a country';
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END IF;
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IF NEW.level = 'city' AND parent_level <> 'province' THEN
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RAISE EXCEPTION 'city parent must be a province';
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END IF;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER cities_validate_parent_level
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BEFORE INSERT OR UPDATE ON cities
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FOR EACH ROW
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EXECUTE FUNCTION cities_validate_parent_level();
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