sb-backend/src/main/resources/db/board.sql

-- ============================================================
-- 자유게시판 스키마 (MariaDB) — post / tag / post_tag / comment
-- 실행: 애플리케이션 기동 시 연결된 DB(sbdb)에 자동 생성됨 (IF NOT EXISTS)
-- ============================================================

-- 게시글
CREATE TABLE IF NOT EXISTS post (
    id          BIGINT       NOT NULL AUTO_INCREMENT,
    title       VARCHAR(200) NOT NULL,
    content     LONGTEXT     NOT NULL,
    author_id   BIGINT       NOT NULL COMMENT 'member.id',
    author_name VARCHAR(100) NOT NULL COMMENT '표시용(비정규화)',
    view_count  INT          NOT NULL DEFAULT 0,
    blocked      TINYINT(1)   NOT NULL DEFAULT 0 COMMENT '관리자 열람 제한 여부',
    block_reason VARCHAR(255) NULL COMMENT '제한 사유',
    category    VARCHAR(30)  NOT NULL DEFAULT 'community' COMMENT '게시판 구분: community/saving/tips',
    created_at  DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at  DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_post_created (created_at),
    KEY idx_post_category (category, id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 기존 post 테이블에 컬럼 추가 (멱등)
ALTER TABLE post ADD COLUMN IF NOT EXISTS blocked TINYINT(1) NOT NULL DEFAULT 0;
ALTER TABLE post ADD COLUMN IF NOT EXISTS block_reason VARCHAR(255) NULL;
-- 게시판 구분(커뮤니티/짠테크 수다방/재테크 팁). 기존 글은 community 로 이전 (멱등)
ALTER TABLE post ADD COLUMN IF NOT EXISTS category VARCHAR(30) NOT NULL DEFAULT 'community';
-- 큰 이미지(base64 인라인) 수용을 위해 content 를 LONGTEXT 로 확대 (멱등)
ALTER TABLE post MODIFY content LONGTEXT NOT NULL;
-- 공지(상단 고정) — 관리자만 설정. 목록에서 최상단 노출 (멱등)
ALTER TABLE post ADD COLUMN IF NOT EXISTS notice TINYINT(1) NOT NULL DEFAULT 0 COMMENT '공지(상단 고정)';

-- 태그 카테고리(그룹) — 예: 게시판, 게시판2 ...
CREATE TABLE IF NOT EXISTS tag_category (
    id         BIGINT      NOT NULL AUTO_INCREMENT,
    name       VARCHAR(50) NOT NULL,
    sort_order INT         NOT NULL DEFAULT 0,
    created_at DATETIME    NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uk_tag_category_name (name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 태그 (카테고리에 소속)
CREATE TABLE IF NOT EXISTS tag (
    id          BIGINT      NOT NULL AUTO_INCREMENT,
    name        VARCHAR(50) NOT NULL,
    category_id BIGINT      NULL,
    PRIMARY KEY (id),
    UNIQUE KEY uk_tag_name (name),
    KEY idx_tag_category (category_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 기존 tag 테이블에 category_id 가 없으면 추가 (멱등)
ALTER TABLE tag ADD COLUMN IF NOT EXISTS category_id BIGINT NULL;

-- 태그 카테고리(그룹) ↔ 게시판 매핑. 어느 게시판(community/saving/tips)에서 이 그룹을 쓸지 지정.
-- 매핑이 하나도 없는 카테고리는 모든 게시판에서 사용(하위호환).
CREATE TABLE IF NOT EXISTS tag_category_board (
    tag_category_id BIGINT      NOT NULL,
    board_category  VARCHAR(30) NOT NULL COMMENT 'community / saving / tips',
    PRIMARY KEY (tag_category_id, board_category),
    KEY idx_tcb_board (board_category)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 게시글-태그 (다대다)
CREATE TABLE IF NOT EXISTS post_tag (
    post_id BIGINT NOT NULL,
    tag_id  BIGINT NOT NULL,
    PRIMARY KEY (post_id, tag_id),
    KEY idx_post_tag_tag (tag_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 게시글 인라인 이미지 (DB 저장). 본문에는 /api/images/{id} URL 만 포함(base64 미사용).
CREATE TABLE IF NOT EXISTS board_image (
    id           BIGINT       NOT NULL AUTO_INCREMENT,
    member_id    BIGINT       NOT NULL,
    content_type VARCHAR(100) NOT NULL,
    data         LONGBLOB     NOT NULL,
    byte_size    INT          NOT NULL DEFAULT 0,
    created_at   DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_board_image_member (member_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 댓글
CREATE TABLE IF NOT EXISTS comment (
    id          BIGINT        NOT NULL AUTO_INCREMENT,
    post_id     BIGINT        NOT NULL,
    author_id   BIGINT        NOT NULL,
    author_name VARCHAR(100)  NOT NULL,
    content     VARCHAR(1000) NOT NULL,
    created_at  DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_comment_post (post_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 댓글 신고 누적 블라인드 플래그 (멱등)
ALTER TABLE comment ADD COLUMN IF NOT EXISTS blocked TINYINT(1) NOT NULL DEFAULT 0 COMMENT '신고 누적 블라인드';

-- 신고 (글/댓글). 회원당 대상별 1회. 5건 누적 시 블라인드(관리자만 열람).
CREATE TABLE IF NOT EXISTS report (
    id          BIGINT       NOT NULL AUTO_INCREMENT,
    target_type VARCHAR(10)  NOT NULL COMMENT 'POST / COMMENT',
    target_id   BIGINT       NOT NULL,
    member_id   BIGINT       NOT NULL COMMENT '신고자',
    reason      VARCHAR(255) NULL,
    created_at  DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uk_report (target_type, target_id, member_id),
    KEY idx_report_target (target_type, target_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 게시글 추천/비추천 (회원당 1표, UP/DOWN). 같은 표 재요청 시 취소, 반대면 전환.
CREATE TABLE IF NOT EXISTS post_vote (
    post_id    BIGINT     NOT NULL,
    member_id  BIGINT     NOT NULL,
    vote_type  VARCHAR(4) NOT NULL COMMENT 'UP / DOWN',
    created_at DATETIME   NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (post_id, member_id),
    KEY idx_post_vote_post (post_id, vote_type)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 댓글 추천/비추천 (회원당 1표)
CREATE TABLE IF NOT EXISTS comment_vote (
    comment_id BIGINT     NOT NULL,
    member_id  BIGINT     NOT NULL,
    vote_type  VARCHAR(4) NOT NULL COMMENT 'UP / DOWN',
    created_at DATETIME   NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (comment_id, member_id),
    KEY idx_comment_vote_comment (comment_id, vote_type)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;