refactor: enforce 800 line source limits

web/src/composables/workbenchAiMode/useWorkbenchAiExpenseFlow.js

@@ -0,0 +1,186 @@
+import { fetchExpenseClaims } from '../../services/reimbursements.js'
+import {
+  applyAiExpenseAnswer,
+  buildAiExpenseStepPrompt,
+  buildAiExpenseSummary,
+  createAiExpenseDraft,
+  isAiExpenseDraftComplete
+} from '../../utils/aiExpenseDraftModel.js'
+import {
+  buildExpenseSceneSelectionMessage,
+  SESSION_TYPE_EXPENSE
+} from '../../views/scripts/travelReimbursementConversationModel.js'
+import { buildExpenseSceneSelectionActions } from '../../utils/expenseAssistantActions.js'
+import {
+  buildRequiredApplicationActions,
+  buildRequiredApplicationMissingText,
+  buildRequiredApplicationSelectionText,
+  filterRequiredApplicationCandidates
+} from '../../views/scripts/travelReimbursementApplicationLinkModel.js'
+
+export { SESSION_TYPE_EXPENSE }
+
+export function useWorkbenchAiExpenseFlow({
+  activateInlineConversation,
+  aiExpenseDraft,
+  assistantDraft,
+  clearAiModeFiles,
+  closeWorkbenchDatePicker,
+  conversationMessages,
+  conversationStarted,
+  createInlineMessage,
+  currentUser,
+  persistCurrentConversation,
+  pushInlineUserMessage,
+  removeWorkbenchDateTag,
+  resolveLatestInlineUserPrompt,
+  scrollInlineConversationToBottom,
+  startAiApplicationPreview
+}) {
+  function pushInlineExpenseSceneSelectionPrompt(originalMessage, selectedLabel = '') {
+    const sourceText = String(originalMessage || '我要报销').trim()
+    if (!conversationStarted.value) {
+      activateInlineConversation({
+        title: String(selectedLabel || sourceText || '报销').trim().slice(0, 18) || '报销'
+      })
+    }
+    assistantDraft.value = ''
+    removeWorkbenchDateTag()
+    closeWorkbenchDatePicker()
+    conversationMessages.value.push(createInlineMessage('user', String(selectedLabel || sourceText).trim()))
+    conversationMessages.value.push(createInlineMessage('assistant', buildExpenseSceneSelectionMessage(sourceText), {
+      suggestedActions: buildExpenseSceneSelectionActions(sourceText)
+    }))
+    persistCurrentConversation()
+    scrollInlineConversationToBottom()
+  }
+
+  function startAiApplicationPreviewFromAction(payload = {}, fallbackLabel = '') {
+    const expenseType = String(payload.expense_type || '').trim()
+    const expenseTypeLabel = String(payload.expense_type_label || fallbackLabel || '').trim()
+    return startAiApplicationPreview(
+      expenseType,
+      expenseTypeLabel,
+      payload.carry_text || resolveLatestInlineUserPrompt()
+    )
+  }
+
+  function startAiExpenseDraft(expenseType, expenseTypeLabel, requiresApplicationBeforeReimbursement) {
+    if (!conversationStarted.value) {
+      activateInlineConversation({ title: String(expenseTypeLabel || '报销').trim().slice(0, 18) || '报销' })
+    }
+    assistantDraft.value = ''
+    removeWorkbenchDateTag()
+    closeWorkbenchDatePicker()
+    clearAiModeFiles()
+    pushInlineUserMessage(`选择${expenseTypeLabel || expenseType || '报销'}`)
+
+    if (requiresApplicationBeforeReimbursement) {
+      void resolveAiExpenseApplicationLink(expenseType, expenseTypeLabel)
+      return
+    }
+
+    const draft = createAiExpenseDraft(expenseType, expenseTypeLabel)
+    aiExpenseDraft.value = draft
+    conversationMessages.value.push(createInlineMessage('assistant', buildAiExpenseStepPrompt(draft)))
+    persistCurrentConversation()
+    scrollInlineConversationToBottom()
+  }
+
+  function advanceAiExpenseDraft(answer, files = []) {
+    const fileNames = Array.from(files || [])
+    pushInlineUserMessage(answer || (fileNames.length ? `上传 ${fileNames.length} 份附件` : ''))
+    assistantDraft.value = ''
+    clearAiModeFiles()
+
+    const next = applyAiExpenseAnswer(aiExpenseDraft.value, answer, fileNames)
+    aiExpenseDraft.value = next
+
+    if (isAiExpenseDraftComplete(next)) {
+      conversationMessages.value.push(createInlineMessage('assistant', `${buildAiExpenseSummary(next)}\n\n如果哪一项需要修改，直接告诉我；确认无误后我再帮你生成报销草稿。`))
+      aiExpenseDraft.value = null
+    } else {
+      conversationMessages.value.push(createInlineMessage('assistant', buildAiExpenseStepPrompt(next)))
+    }
+    persistCurrentConversation()
+    scrollInlineConversationToBottom()
+  }
+
+  async function resolveAiExpenseApplicationLink(expenseType, expenseTypeLabel) {
+    let claims = null
+    try {
+      claims = await fetchExpenseClaims()
+    } catch {
+      aiExpenseDraft.value = null
+      conversationMessages.value.push(createInlineMessage('assistant', '查询可关联申请单时出现异常，请稍后再试，我先暂停这次报销流程。'))
+      persistCurrentConversation()
+      scrollInlineConversationToBottom()
+      return
+    }
+
+    const candidates = filterRequiredApplicationCandidates(claims, expenseType, currentUser.value || {})
+    aiExpenseDraft.value = createAiExpenseDraft(expenseType, expenseTypeLabel)
+
+    if (!candidates.length) {
+      conversationMessages.value.push(createInlineMessage('assistant', buildRequiredApplicationMissingText(expenseType), {
+        suggestedActions: [{
+          label: '确认发起出差申请',
+          description: '生成完整申请表，并预填已识别的时间、地点和事由',
+          icon: 'mdi mdi-file-plus-outline',
+          action_type: 'ai_application_start_inline',
+          payload: {
+            expense_type: expenseType,
+            expense_type_label: expenseTypeLabel
+          }
+        }]
+      }))
+      persistCurrentConversation()
+      scrollInlineConversationToBottom()
+      return
+    }
+
+    conversationMessages.value.push(createInlineMessage('assistant', buildRequiredApplicationSelectionText(expenseType, candidates), {
+      suggestedActions: buildRequiredApplicationActions(candidates, 'select_required_application')
+    }))
+    persistCurrentConversation()
+    scrollInlineConversationToBottom()
+  }
+
+  function linkAiExpenseApplication(application = {}) {
+    const draft = aiExpenseDraft.value
+    if (!draft) {
+      return
+    }
+    const claimNo = String(application.application_claim_no || '').trim()
+    pushInlineUserMessage(`关联申请单 ${claimNo}`.trim())
+
+    const linked = {
+      ...draft,
+      applicationClaim: application,
+      values: {
+        ...draft.values,
+        reason: String(application.application_reason || '').trim(),
+        location: String(application.application_location || '').trim(),
+        time_range: String(application.application_business_time || '').trim(),
+        amount: String(application.application_amount_label || application.application_amount || '').trim()
+      },
+      stepKey: 'attachments'
+    }
+    aiExpenseDraft.value = linked
+    conversationMessages.value.push(createInlineMessage('assistant', [
+      `已关联申请单${claimNo ? ` ${claimNo}` : ''}，事由、时间、地点、金额我先用申请单的内容预填了。`,
+      '',
+      '再确认一下票据：可以现在上传，或回复“稍后上传”。'
+    ].join('\n')))
+    persistCurrentConversation()
+    scrollInlineConversationToBottom()
+  }
+
+  return {
+    advanceAiExpenseDraft,
+    linkAiExpenseApplication,
+    pushInlineExpenseSceneSelectionPrompt,
+    startAiApplicationPreviewFromAction,
+    startAiExpenseDraft
+  }
+}