优化物品规则分页加载

apps/backend/src/repositories/worker-platform/types.ts

@@ -262,8 +262,11 @@ export type WorkOrderStatistics = {
 }
 
 export type ProductRuleListInput = {
+  page?: number
+  pageSize?: number
   enabled?: boolean | null
   keyword?: string
+  categoryId?: number
 }
 
 export type WalletLedgerListInput = {

apps/backend/src/repositories/worker-platform/work-order-repo.ts

@@ -548,8 +548,9 @@ export async function deleteWorkCategory(
 export async function listWorkProductRules({
   enabled = null,
   keyword = '',
+  categoryId = 0,
 }: ProductRuleListInput = {}): Promise<WorkProductRuleRow[]> {
-  const { whereClause, params } = buildWorkProductRuleWhere({ enabled, keyword })
+  const { whereClause, params } = buildWorkProductRuleWhere({ enabled, keyword, categoryId })
   const result = await query<WorkProductRuleRow>(
     `${WORK_PRODUCT_RULE_SELECT}
      ${whereClause}
@@ -559,6 +560,56 @@ export async function listWorkProductRules({
   return result.rows
 }
 
+export async function listWorkProductRulesPage({
+  page = 1,
+  pageSize = 20,
+  enabled = null,
+  keyword = '',
+  categoryId = 0,
+}: ProductRuleListInput): Promise<{ items: WorkProductRuleRow[]; total: number }> {
+  const { whereClause, params } = buildWorkProductRuleWhere({ enabled, keyword, categoryId })
+  const totalResult = await query<{ total: number }>(
+    `
+      SELECT COUNT(*)::int AS total
+      FROM work_product_rules wpr
+      ${whereClause}
+    `,
+    params,
+  )
+  const offset = (page - 1) * pageSize
+  const listParams = [...params, pageSize, offset]
+  const result = await query<WorkProductRuleRow>(
+    `${WORK_PRODUCT_RULE_SELECT}
+     ${whereClause}
+     ORDER BY wpr.sort_order ASC, wpr.id DESC
+     LIMIT $${listParams.length - 1} OFFSET $${listParams.length}`,
+    listParams,
+  )
+  return { items: result.rows, total: Number(totalResult.rows[0]?.total || 0) }
+}
+
+export async function countWorkProductRulesByCategory(
+  input: {
+    enabled?: boolean | null
+    keyword?: string
+  } = {},
+): Promise<Array<{ categoryId: number | null; total: number }>> {
+  const { whereClause, params } = buildWorkProductRuleWhere(input)
+  const result = await query<{ category_id: number | null; total: number }>(
+    `
+      SELECT wpr.category_id, COUNT(*)::int AS total
+      FROM work_product_rules wpr
+      ${whereClause}
+      GROUP BY wpr.category_id
+    `,
+    params,
+  )
+  return result.rows.map((row) => ({
+    categoryId: row.category_id ? Number(row.category_id) : null,
+    total: Number(row.total || 0),
+  }))
+}
+
 export async function getWorkProductRuleByKey(ruleKey: string): Promise<WorkProductRuleRow | null> {
   const result = await query<WorkProductRuleRow>(
     `${WORK_PRODUCT_RULE_SELECT} WHERE wpr.rule_key = $1 LIMIT 1`,
@@ -2803,7 +2854,11 @@ function buildWorkOrderWhere({
   }
 }
 
-function buildWorkProductRuleWhere({ enabled = null, keyword = '' }: ProductRuleListInput) {
+function buildWorkProductRuleWhere({
+  enabled = null,
+  keyword = '',
+  categoryId = 0,
+}: ProductRuleListInput) {
   const filters: string[] = []
   const params: unknown[] = []
   if (enabled !== null && enabled !== undefined) {
@@ -2818,6 +2873,10 @@ function buildWorkProductRuleWhere({ enabled = null, keyword = '' }: ProductRule
       OR wpr.product_name ILIKE $${params.length}
     )`)
   }
+  if (categoryId) {
+    params.push(categoryId)
+    filters.push(`wpr.category_id = $${params.length}`)
+  }
   return {
     whereClause: filters.length > 0 ? `WHERE ${filters.join(' AND ')}` : '',
     params,