feat: spec stage 1

backend/database/.transform.yaml

@@ -19,6 +19,19 @@ field_type:
   tenant_users:
     role: types.Array[consts.TenantUserRole]
     status: consts.UserStatus
+  media_assets:
+    type: consts.MediaAssetType
+    status: consts.MediaAssetStatus
+  contents:
+    status: consts.ContentStatus
+    visibility: consts.ContentVisibility
+  content_assets:
+    role: consts.ContentAssetRole
+  content_prices:
+    currency: consts.Currency
+    discount_type: consts.DiscountType
+  content_access:
+    status: consts.ContentAccessStatus
 field_relate:
   users:
     OwnedTenant:

backend/database/migrations/20251217223000_media_contents.sql

@@ -0,0 +1,121 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS media_assets(
+    id bigserial PRIMARY KEY,
+    tenant_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    type varchar(32) NOT NULL DEFAULT 'video',
+    status varchar(32) NOT NULL DEFAULT 'uploaded',
+    provider varchar(64) NOT NULL DEFAULT '',
+    bucket varchar(128) NOT NULL DEFAULT '',
+    object_key varchar(512) NOT NULL DEFAULT '',
+    meta jsonb NOT NULL DEFAULT '{}'::jsonb,
+    deleted_at timestamptz,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS ix_media_assets_tenant_id ON media_assets(tenant_id);
+CREATE INDEX IF NOT EXISTS ix_media_assets_tenant_user_id ON media_assets(tenant_id, user_id);
+CREATE INDEX IF NOT EXISTS ix_media_assets_tenant_status ON media_assets(tenant_id, status);
+
+CREATE TABLE IF NOT EXISTS contents(
+    id bigserial PRIMARY KEY,
+    tenant_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    title varchar(255) NOT NULL DEFAULT '',
+    description text NOT NULL DEFAULT '',
+    status varchar(32) NOT NULL DEFAULT 'draft',
+    visibility varchar(32) NOT NULL DEFAULT 'tenant_only',
+    preview_seconds int NOT NULL DEFAULT 60,
+    preview_downloadable boolean NOT NULL DEFAULT false,
+    published_at timestamptz,
+    deleted_at timestamptz,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS ix_contents_tenant_id ON contents(tenant_id);
+CREATE INDEX IF NOT EXISTS ix_contents_tenant_user_id ON contents(tenant_id, user_id);
+CREATE INDEX IF NOT EXISTS ix_contents_tenant_status ON contents(tenant_id, status);
+CREATE INDEX IF NOT EXISTS ix_contents_tenant_visibility ON contents(tenant_id, visibility);
+
+CREATE TABLE IF NOT EXISTS content_assets(
+    id bigserial PRIMARY KEY,
+    tenant_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    content_id bigint NOT NULL,
+    asset_id bigint NOT NULL,
+    role varchar(32) NOT NULL DEFAULT 'main',
+    sort int NOT NULL DEFAULT 0,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW(),
+    UNIQUE (tenant_id, content_id, asset_id)
+);
+
+CREATE INDEX IF NOT EXISTS ix_content_assets_tenant_content ON content_assets(tenant_id, content_id);
+CREATE INDEX IF NOT EXISTS ix_content_assets_tenant_asset ON content_assets(tenant_id, asset_id);
+CREATE INDEX IF NOT EXISTS ix_content_assets_tenant_role ON content_assets(tenant_id, content_id, role);
+
+CREATE TABLE IF NOT EXISTS content_prices(
+    id bigserial PRIMARY KEY,
+    tenant_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    content_id bigint NOT NULL,
+    currency varchar(16) NOT NULL DEFAULT 'CNY',
+    price_amount bigint NOT NULL DEFAULT 0,
+    discount_type varchar(16) NOT NULL DEFAULT 'none',
+    discount_value bigint NOT NULL DEFAULT 0,
+    discount_start_at timestamptz,
+    discount_end_at timestamptz,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW(),
+    UNIQUE (tenant_id, content_id)
+);
+
+CREATE INDEX IF NOT EXISTS ix_content_prices_tenant_id ON content_prices(tenant_id);
+
+CREATE TABLE IF NOT EXISTS content_access(
+    id bigserial PRIMARY KEY,
+    tenant_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    content_id bigint NOT NULL,
+    order_id bigint,
+    status varchar(16) NOT NULL DEFAULT 'active',
+    revoked_at timestamptz,
+    created_at timestamptz NOT NULL DEFAULT NOW(),
+    updated_at timestamptz NOT NULL DEFAULT NOW(),
+    UNIQUE (tenant_id, user_id, content_id)
+);
+
+CREATE INDEX IF NOT EXISTS ix_content_access_tenant_user ON content_access(tenant_id, user_id);
+CREATE INDEX IF NOT EXISTS ix_content_access_tenant_content ON content_access(tenant_id, content_id);
+
+-- +goose StatementEnd
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS ix_content_access_tenant_content;
+DROP INDEX IF EXISTS ix_content_access_tenant_user;
+DROP TABLE IF EXISTS content_access;
+
+DROP INDEX IF EXISTS ix_content_prices_tenant_id;
+DROP TABLE IF EXISTS content_prices;
+
+DROP INDEX IF EXISTS ix_content_assets_tenant_role;
+DROP INDEX IF EXISTS ix_content_assets_tenant_asset;
+DROP INDEX IF EXISTS ix_content_assets_tenant_content;
+DROP TABLE IF EXISTS content_assets;
+
+DROP INDEX IF EXISTS ix_contents_tenant_visibility;
+DROP INDEX IF EXISTS ix_contents_tenant_status;
+DROP INDEX IF EXISTS ix_contents_tenant_user_id;
+DROP INDEX IF EXISTS ix_contents_tenant_id;
+DROP TABLE IF EXISTS contents;
+
+DROP INDEX IF EXISTS ix_media_assets_tenant_status;
+DROP INDEX IF EXISTS ix_media_assets_tenant_user_id;
+DROP INDEX IF EXISTS ix_media_assets_tenant_id;
+DROP TABLE IF EXISTS media_assets;
+
+-- +goose StatementEnd
+