-- CreateTable
CREATE TABLE `Cohort` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(191) NOT NULL,
    `dailyView` INTEGER NOT NULL DEFAULT 0,
    `description` VARCHAR(191) NULL,

    UNIQUE INDEX `Cohort_name_key`(`name`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Post` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `date` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NULL,
    `title` VARCHAR(191) NOT NULL,
    `content` TEXT NULL,
    `summary` TEXT NULL,
    `sourceId` INTEGER NOT NULL,
    `URL` VARCHAR(191) NOT NULL,
    `image` VARCHAR(191) NULL,

    UNIQUE INDEX `Post_URL_key`(`URL`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Source` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(191) NOT NULL,
    `type` ENUM('FEED') NOT NULL DEFAULT 'FEED',
    `URL` VARCHAR(191) NOT NULL,
    `updatedAt` DATETIME(3) NULL DEFAULT CURRENT_TIMESTAMP(3),
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `lastError` VARCHAR(191) NULL,
    `status` ENUM('OK', 'WARNING', 'ERROR') NOT NULL DEFAULT 'OK',
    `nErrors` INTEGER NOT NULL DEFAULT 0,
    `description` VARCHAR(191) NULL,
    `image` LONGTEXT NULL,
    `link` VARCHAR(191) NULL,

    UNIQUE INDEX `Source_URL_key`(`URL`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `Tag` (
    `id` INTEGER NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `Tag_name_key`(`name`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_CohortToSource` (
    `A` INTEGER NOT NULL,
    `B` INTEGER NOT NULL,

    UNIQUE INDEX `_CohortToSource_AB_unique`(`A`, `B`),
    INDEX `_CohortToSource_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_PostToTag` (
    `A` INTEGER NOT NULL,
    `B` INTEGER NOT NULL,

    UNIQUE INDEX `_PostToTag_AB_unique`(`A`, `B`),
    INDEX `_PostToTag_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- AddForeignKey
ALTER TABLE `Post` ADD CONSTRAINT `Post_sourceId_fkey` FOREIGN KEY (`sourceId`) REFERENCES `Source`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_CohortToSource` ADD FOREIGN KEY (`A`) REFERENCES `Cohort`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_CohortToSource` ADD FOREIGN KEY (`B`) REFERENCES `Source`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_PostToTag` ADD FOREIGN KEY (`A`) REFERENCES `Post`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_PostToTag` ADD FOREIGN KEY (`B`) REFERENCES `Tag`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;