♻️ refactor(vscode): 代码托管仓库抽成统一接口，Gitea 实现搬到 provider 后面，翻页改看 Link 头

vscode/src/codeReader/review/reviewMode.ts

@@ -1,12 +1,13 @@
 import type { Disposable, Event, ExtensionContext, QuickPickItem, TreeView, WorkspaceFolder } from 'vscode'
-import type { PrFileDto } from '../../gitea/api'
-import type { RepoContext } from '../../gitea/repoContext'
-import type { Issue } from '../../gitea/types'
+import type { ForgeContext } from '../../forge/context'
+import type { ForgePrFile } from '../../forge/types'
+import type { Issue } from '../../issues/types'
 import type { DiffBase, DiffBaseSource } from '../diff/diffBase'
 import type { FileTreeProvider, TreeNode } from '../explorer/fileTree'
 import type { FileCount } from './pickList'
 import * as path from 'node:path'
 import { commands, EventEmitter, QuickPickItemKind, Uri, window, workspace } from 'vscode'
+import { requireForge } from '../../forge/context'
 import { fileAtRef } from '../../git/fileAt'
 import { logger } from '../../logging/logger'
 import { WORKSPACE_TREE } from '../explorer/fileTree'
@@ -17,7 +18,7 @@ import { ChangeDecorations } from './changeDecorations'
 import { changeOf, reviewBaseFile, reviewTree } from './changedFiles'
 import { countingFiles, pickEntries, pickItemText, pickRows, withFileCount } from './pickList'
 import { columnLabel, REVIEW_COLUMNS_TEXT, reviewableIssue, reviewablePullRequest, reviewBaseLabel, reviewBaseMissing, reviewDescription, reviewMessage } from './reviewRules'
-import { loadIssue, loadPullRequest, loadPullRequestFiles, requireRepo, reviewCandidateIssues } from './reviewSource'
+import { loadIssue, loadPullRequest, reviewCandidateIssues } from './reviewSource'
 import { localWorktree, prepareWorktree } from './reviewWorktree'
 
 /** workspaceState：正在审查的工单号，重开窗口接着审查。 */
@@ -35,12 +36,12 @@ type How = 'pick' | 'reload' | 'restore'
 
 /**
  * 进审查要的东西都备好了：工单、它的 PR、PR 改过的文件、装着 PR 最新代码的工作副本，
- * 和预览对比的基准：PR 的目标分支名、目标分支与 PR 头的合并基（Gitea 没给时退回目标分支的提交，同看板「改动」tab）。
+ * 和预览对比的基准：PR 的目标分支名、目标分支与 PR 头的合并基（取不到时退回目标分支的提交，同看板「改动」tab）。
  */
 interface Loaded {
   issue: Issue
   pr: number
-  files: PrFileDto[]
+  files: ForgePrFile[]
   worktree: string
   base: { ref: string, commit: string }
 }
@@ -115,12 +116,12 @@ export class ReviewMode implements DiffBaseSource, Disposable {
     })
     picker.show()
 
-    let repo: RepoContext
+    let repo: ForgeContext
     try {
-      repo = await requireRepo(this.context)
+      repo = await requireForge(this.context)
     }
     catch (err) {
-      logger.add({ level: 'error', source: 'codeReader', message: '选工单：读不到当前工作区的 Gitea 仓库', details: errorText(err) })
+      logger.add({ level: 'error', source: 'codeReader', message: '选工单：读不到当前工作区的代码托管仓库', details: errorText(err) })
       picker.hide()
       void window.showErrorMessage(`没法选工单：${errorText(err)}`)
       return
@@ -228,9 +229,9 @@ export class ReviewMode implements DiffBaseSource, Disposable {
 
   /** 弹框里的一项：有 PR 的工单去读 PR 改了几个文件（各项一起读），读不到就写读不到。 */
   /** 读一张工单的 PR 改了几个文件；没读到记进日志，这一项写读不到。 */
-  private async countFiles(repo: RepoContext, issueNumber: number, pr: number): Promise<FileCount> {
+  private async countFiles(repo: ForgeContext, issueNumber: number, pr: number): Promise<FileCount> {
     try {
-      return { count: (await loadPullRequestFiles(repo, pr)).length }
+      return { count: (await repo.provider.listPullRequestFiles(pr)).length }
     }
     catch (err) {
       logger.add({ level: 'warn', source: 'codeReader', message: `选工单：读不到 #${issueNumber} 的 PR #${pr} 改了几个文件`, details: errorText(err) })
@@ -281,7 +282,7 @@ export class ReviewMode implements DiffBaseSource, Disposable {
   }
 
   private async load(issueNumber: number, step: (text: string) => void): Promise<Loaded | { blocked: string }> {
-    const repo = await requireRepo(this.context)
+    const repo = await requireForge(this.context)
     step(`正在读取 #${issueNumber}…`)
     const reviewable = reviewableIssue(issueNumber, await loadIssue(this.context, repo, issueNumber))
     if ('blocked' in reviewable)
@@ -291,10 +292,11 @@ export class ReviewMode implements DiffBaseSource, Disposable {
     const reviewablePull = reviewablePullRequest(pr, await loadPullRequest(repo, pr))
     if ('blocked' in reviewablePull)
       return reviewablePull
-    const files = await loadPullRequestFiles(repo, pr)
-    const { headSha, baseRef, mergeBase, baseSha } = reviewablePull.pull
+    const files = await repo.provider.listPullRequestFiles(pr)
+    const { headSha, baseRef } = reviewablePull.pull
+    const baseCommit = await repo.provider.pullRequestDiffBase(reviewablePull.pull)
     const worktree = await prepareWorktree(this.context, repo, issue, { number: pr, headSha }, step)
-    return { issue, pr, files, worktree, base: { ref: baseRef, commit: mergeBase || baseSha } }
+    return { issue, pr, files, worktree, base: { ref: baseRef, commit: baseCommit } }
   }
 
   private async show(loaded: Loaded): Promise<void> {