zhenyi
82 lines
2.7 KiB
Rust
82 lines
2.7 KiB
Rust
use crate::error::AppError;
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use crate::models::wiki::WikiPageRevision;
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use crate::service::RepoService;
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use crate::session::Session;
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use super::util::clamp_limit_offset;
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impl RepoService {
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/// 获取页面的修订历史
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pub async fn wiki_get_revisions(
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&self,
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ctx: &Session,
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wk_name: &str,
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repo_name: &str,
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slug: &str,
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limit: i64,
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offset: i64,
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) -> Result<Vec<WikiPageRevision>, AppError> {
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let user_uid = ctx.user().ok_or(AppError::Unauthorized)?;
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let page = self.wiki_get_page(ctx, wk_name, repo_name, slug).await?;
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self.ensure_repo_readable(user_uid, &self.resolve_repo(wk_name, repo_name).await?)
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.await?;
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let (limit, offset) = clamp_limit_offset(limit, offset);
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sqlx::query_as::<_, WikiPageRevision>(
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"SELECT id, page_id, version, title, content, editor_id, commit_message, created_at \
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FROM wiki_page_revision WHERE page_id = $1 ORDER BY version DESC LIMIT $2 OFFSET $3",
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)
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.bind(page.id)
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.bind(limit)
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.bind(offset)
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.fetch_all(self.ctx.db.reader())
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.await
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.map_err(AppError::Database)
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}
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/// 获取特定版本的修订详情
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pub async fn wiki_get_revision(
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&self,
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ctx: &Session,
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wk_name: &str,
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repo_name: &str,
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slug: &str,
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version: i32,
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) -> Result<WikiPageRevision, AppError> {
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let user_uid = ctx.user().ok_or(AppError::Unauthorized)?;
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let page = self.wiki_get_page(ctx, wk_name, repo_name, slug).await?;
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self.ensure_repo_readable(user_uid, &self.resolve_repo(wk_name, repo_name).await?)
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.await?;
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sqlx::query_as::<_, WikiPageRevision>(
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"SELECT id, page_id, version, title, content, editor_id, commit_message, created_at \
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FROM wiki_page_revision WHERE page_id = $1 AND version = $2",
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)
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.bind(page.id)
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.bind(version)
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.fetch_optional(self.ctx.db.reader())
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.await
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.map_err(AppError::Database)?
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.ok_or_else(|| AppError::NotFound("Revision not found".into()))
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}
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/// 比较两个版本的差异
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pub async fn wiki_compare_revisions(
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&self,
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ctx: &Session,
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wk_name: &str,
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repo_name: &str,
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slug: &str,
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old_version: i32,
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new_version: i32,
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) -> Result<(WikiPageRevision, WikiPageRevision), AppError> {
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let old = self
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.wiki_get_revision(ctx, wk_name, repo_name, slug, old_version)
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.await?;
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let new = self
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.wiki_get_revision(ctx, wk_name, repo_name, slug, new_version)
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.await?;
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Ok((old, new))
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}
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}
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