from tortoise import BaseDBAsyncClient

RUN_IN_TRANSACTION = True


async def upgrade(db: BaseDBAsyncClient) -> str:
    return """
           ALTER TABLE "purchase"
               ADD "comment" TEXT;
           ALTER TABLE "purchase"
               ADD "payment_at" TIMESTAMPTZ;
           ALTER TABLE "purchase"
               ADD "format" TEXT;
           ALTER TABLE "purchase"
               ADD "cost_before_bargain" DOUBLE PRECISION;
           ALTER TABLE "purchase"
               ADD "placement_at" TIMESTAMPTZ;
           ALTER TABLE "purchase"
               ADD "cost_type" VARCHAR(8);
           ALTER TABLE "purchase"
               ADD "cost_value" DOUBLE PRECISION;
           ALTER TABLE "purchase"
               ADD "purchase_type" VARCHAR(16);
           ALTER TABLE "purchase_channel"
               ADD "format" TEXT;
           ALTER TABLE "purchase_channel"
               ADD "cost_before_bargain" DOUBLE PRECISION;
           ALTER TABLE "purchase_channel"
               ADD "placement_at" TIMESTAMPTZ;
           ALTER TABLE "purchase_channel"
               ADD "cost_type" VARCHAR(8);
           ALTER TABLE "purchase_channel"
               ADD "cost_value" DOUBLE PRECISION;
           ALTER TABLE "purchase_channel"
               DROP COLUMN "planned_cost";
           COMMENT ON COLUMN "purchase"."cost_type" IS 'FIXED: fixed\nCPM: cpm';
           COMMENT ON COLUMN "purchase"."purchase_type" IS 'SELF_PROMO: self_promo\nSTANDARD: standard';
           COMMENT ON COLUMN "purchase_channel"."cost_type" IS 'FIXED: fixed\nCPM: cpm';"""


async def downgrade(db: BaseDBAsyncClient) -> str:
    return """
           ALTER TABLE "purchase"
               DROP COLUMN "comment";
           ALTER TABLE "purchase"
               DROP COLUMN "payment_at";
           ALTER TABLE "purchase"
               DROP COLUMN "format";
           ALTER TABLE "purchase"
               DROP COLUMN "cost_before_bargain";
           ALTER TABLE "purchase"
               DROP COLUMN "placement_at";
           ALTER TABLE "purchase"
               DROP COLUMN "cost_type";
           ALTER TABLE "purchase"
               DROP COLUMN "cost_value";
           ALTER TABLE "purchase"
               DROP COLUMN "purchase_type";
           ALTER TABLE "purchase_channel"
               ADD "planned_cost" DOUBLE PRECISION;
           ALTER TABLE "purchase_channel"
               DROP COLUMN "format";
           ALTER TABLE "purchase_channel"
               DROP COLUMN "cost_before_bargain";
           ALTER TABLE "purchase_channel"
               DROP COLUMN "placement_at";
           ALTER TABLE "purchase_channel"
               DROP COLUMN "cost_type";
           ALTER TABLE "purchase_channel"
               DROP COLUMN "cost_value";"""


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