From 81d0581451f9a643c624b71273f7eb50dd40512c Mon Sep 17 00:00:00 2001
From: Stephen Zhou <hi@hyoban.cc>
Date: Mon, 12 Feb 2024 03:47:38 +0800
Subject: [PATCH] feat: pagination for Radar Rules (#889)

---
 assets/locales/en/messages.json    |   6 +
 assets/locales/zh_CN/messages.json |   6 +
 src/lib/components/Pagination.tsx  | 102 +++++++++++++++
 src/options/routes/Rules.tsx       | 192 +++++++++++++++++++++--------
 4 files changed, 256 insertions(+), 50 deletions(-)
 create mode 100644 src/lib/components/Pagination.tsx

diff --git a/assets/locales/en/messages.json b/assets/locales/en/messages.json
index 134697b..b97e8e9 100644
--- a/assets/locales/en/messages.json
+++ b/assets/locales/en/messages.json
@@ -148,5 +148,11 @@
   },
   "current": {
     "message": "Current"
+  },
+  "paginationPrevious": {
+    "message": "Previous"
+  },
+  "paginationNext": {
+    "message": "Next"
   }
 }
diff --git a/assets/locales/zh_CN/messages.json b/assets/locales/zh_CN/messages.json
index 2da34e1..76d2d32 100644
--- a/assets/locales/zh_CN/messages.json
+++ b/assets/locales/zh_CN/messages.json
@@ -148,5 +148,11 @@
   },
   "current": {
     "message": "当前"
+  },
+  "paginationPrevious": {
+    "message": "上一页"
+  },
+  "paginationNext": {
+    "message": "下一页"
   }
 }
diff --git a/src/lib/components/Pagination.tsx b/src/lib/components/Pagination.tsx
new file mode 100644
index 0000000..4884710
--- /dev/null
+++ b/src/lib/components/Pagination.tsx
@@ -0,0 +1,102 @@
+import { ChevronLeft, ChevronRight, MoreHorizontal } from "lucide-react"
+import * as React from "react"
+
+import { Button, type ButtonProps } from "~/lib/components/Button"
+import { cn } from "~/lib/utils"
+
+const Pagination = ({ className, ...props }: React.ComponentProps<"nav">) => (
+  <nav
+    role="navigation"
+    aria-label="pagination"
+    className={cn("mx-auto flex w-full justify-center", className)}
+    {...props}
+  />
+)
+Pagination.displayName = "Pagination"
+
+const PaginationContent = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    className={cn("flex flex-row items-center gap-1", className)}
+    {...props}
+  />
+))
+PaginationContent.displayName = "PaginationContent"
+
+const PaginationItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ className, ...props }, ref) => (
+  <li ref={ref} className={cn("", className)} {...props} />
+))
+PaginationItem.displayName = "PaginationItem"
+
+type PaginationLinkProps = {
+  isActive?: boolean
+} & Omit<ButtonProps, "variant">
+
+const PaginationLink = ({ isActive, ...props }: PaginationLinkProps) => (
+  <Button
+    aria-current={isActive ? "page" : undefined}
+    variant={isActive ? "outline" : "ghost"}
+    {...props}
+  />
+)
+PaginationLink.displayName = "PaginationLink"
+
+const PaginationPrevious = ({
+  className,
+  ...props
+}: React.ComponentProps<typeof PaginationLink>) => (
+  <PaginationLink
+    size="default"
+    className={cn("gap-1 pl-2.5", className)}
+    {...props}
+  >
+    <ChevronLeft className="h-4 w-4" />
+    <span>{chrome.i18n.getMessage("paginationPrevious")}</span>
+  </PaginationLink>
+)
+PaginationPrevious.displayName = "PaginationPrevious"
+
+const PaginationNext = ({
+  className,
+  ...props
+}: React.ComponentProps<typeof PaginationLink>) => (
+  <PaginationLink
+    size="default"
+    className={cn("gap-1 pr-2.5", className)}
+    {...props}
+  >
+    <span>{chrome.i18n.getMessage("paginationNext")}</span>
+    <ChevronRight className="h-4 w-4" />
+  </PaginationLink>
+)
+PaginationNext.displayName = "PaginationNext"
+
+const PaginationEllipsis = ({
+  className,
+  ...props
+}: React.ComponentProps<"span">) => (
+  <span
+    aria-hidden
+    className={cn("flex h-9 w-9 items-center justify-center", className)}
+    {...props}
+  >
+    <MoreHorizontal className="h-4 w-4" />
+  </span>
+)
+PaginationEllipsis.displayName = "PaginationEllipsis"
+
+export {
+  Pagination,
+  PaginationContent,
+  PaginationEllipsis,
+  PaginationItem,
+  PaginationLink,
+  PaginationNext,
+  PaginationPrevious,
+}
diff --git a/src/options/routes/Rules.tsx b/src/options/routes/Rules.tsx
index 3808667..8f26d9d 100644
--- a/src/options/routes/Rules.tsx
+++ b/src/options/routes/Rules.tsx
@@ -1,5 +1,5 @@
 import _ from "lodash"
-import { useEffect, useState } from "react"
+import { useEffect, useMemo, useState } from "react"
 
 import { sendToBackground } from "@plasmohq/messaging"
 
@@ -9,13 +9,139 @@ import {
   AccordionItem,
   AccordionTrigger,
 } from "~/lib/components/Accordion"
-import { Card, CardContent } from "~/lib/components/Card"
+import { Card, CardContent, CardFooter } from "~/lib/components/Card"
+import {
+  Pagination,
+  PaginationContent,
+  PaginationEllipsis,
+  PaginationItem,
+  PaginationLink,
+  PaginationNext,
+  PaginationPrevious,
+} from "~/lib/components/Pagination"
 import report from "~/lib/report"
 import { getRulesCount, parseRules } from "~/lib/rules"
 import type { Rules as IRules } from "~/lib/types"
 
+function RulesPagination({
+  currentPage,
+  setCurrentPage,
+  pageSize,
+  itemsCount,
+}: {
+  currentPage: number
+  setCurrentPage: (page: number) => void
+  pageSize: number
+  itemsCount: number
+}) {
+  const totalPage = Math.ceil(itemsCount / pageSize)
+  return (
+    <Pagination>
+      <PaginationContent>
+        <PaginationItem>
+          <PaginationPrevious
+            disabled={currentPage <= 1}
+            onClick={() => setCurrentPage(currentPage - 1)}
+          />
+        </PaginationItem>
+        {Array.from({ length: totalPage }).map((_, index) => {
+          const page = index + 1
+          if (
+            page === 1 ||
+            page === totalPage ||
+            (page >= currentPage - 1 && page <= currentPage + 1)
+          ) {
+            return (
+              <PaginationItem key={page}>
+                <PaginationLink
+                  isActive={page === currentPage}
+                  onClick={() => setCurrentPage(page)}
+                >
+                  {page}
+                </PaginationLink>
+              </PaginationItem>
+            )
+          } else if (page === currentPage - 2 || page === currentPage + 2) {
+            return (
+              <PaginationItem key={page}>
+                <PaginationEllipsis />
+              </PaginationItem>
+            )
+          }
+        })}
+        <PaginationItem>
+          <PaginationNext
+            disabled={currentPage >= totalPage}
+            onClick={() => setCurrentPage(currentPage + 1)}
+          />
+        </PaginationItem>
+      </PaginationContent>
+    </Pagination>
+  )
+}
+
+function RulesList({
+  rules,
+  start,
+  end,
+}: {
+  rules: IRules
+  start: number
+  end: number
+}) {
+  const rulesKeys = useMemo(() => Object.keys(rules), [rules])
+
+  return rulesKeys.slice(start, end).map((key) => {
+    const rule = rules[key]
+    return (
+      <div key={key}>
+        <Accordion type="single" collapsible>
+          <AccordionItem value="item-1">
+            <AccordionTrigger>
+              <div className="font-medium">
+                {rule._name} - {key}
+              </div>
+            </AccordionTrigger>
+            <AccordionContent>
+              <div className="space-y-2">
+                {Object.keys(rule).map((item) => {
+                  const subdomainRules = rule[item]
+                  if (Array.isArray(subdomainRules)) {
+                    return subdomainRules.map((subdomainRule, index) => {
+                      return (
+                        <div key={key + item + index}>
+                          <div className="flex items-center space-x-2">
+                            <div className="flex-1">
+                              <p className="text-sm text-zinc-700">
+                                {subdomainRule.title}
+                              </p>
+                            </div>
+                          </div>
+                        </div>
+                      )
+                    })
+                  } else {
+                    return null
+                  }
+                })}
+              </div>
+            </AccordionContent>
+          </AccordionItem>
+        </Accordion>
+      </div>
+    )
+  })
+}
+
+const pageSize = 20
+
 function Rules() {
   const [rules, setRules] = useState<IRules>({})
+  const rulesCount = useMemo(() => getRulesCount(rules), [rules])
+
+  const [currentPage, setCurrentPage] = useState(1)
+  const itemsCount = useMemo(() => Object.keys(rules).length, [rules])
+
   useEffect(() => {
     sendToBackground({
       name: "requestDisplayedRules",
@@ -25,11 +151,6 @@ function Rules() {
     })
   }, [])
 
-  const [count, setCount] = useState(0)
-  useEffect(() => {
-    setCount(getRulesCount(rules))
-  }, [rules])
-
   return (
     <div>
       <h1 className="text-3xl font-medium leading-10 mb-6 text-orange-500 border-b pb-4">
@@ -37,7 +158,7 @@ function Rules() {
       </h1>
       <div className="content mb-6 space-y-2">
         <p>
-          {chrome.i18n.getMessage("totalNumberOfRules")}: {count}
+          {chrome.i18n.getMessage("totalNumberOfRules")}: {rulesCount}
         </p>
         <p
           dangerouslySetInnerHTML={{
@@ -48,49 +169,20 @@ function Rules() {
       <div className="space-y-4">
         <Card>
           <CardContent>
-            {Object.keys(rules).map((key) => {
-              const rule = rules[key]
-              return (
-                <div key={key}>
-                  <Accordion type="single" collapsible>
-                    <AccordionItem value="item-1">
-                      <AccordionTrigger>
-                        <div className="font-medium">
-                          {rule._name} - {key}
-                        </div>
-                      </AccordionTrigger>
-                      <AccordionContent>
-                        <div className="space-y-2">
-                          {Object.keys(rule).map((item) => {
-                            const subdomainRules = rule[item]
-                            if (Array.isArray(subdomainRules)) {
-                              return subdomainRules.map(
-                                (subdomainRule, index) => {
-                                  return (
-                                    <div key={key + item + index}>
-                                      <div className="flex items-center space-x-2">
-                                        <div className="flex-1">
-                                          <p className="text-sm text-zinc-700">
-                                            {subdomainRule.title}
-                                          </p>
-                                        </div>
-                                      </div>
-                                    </div>
-                                  )
-                                },
-                              )
-                            } else {
-                              return null
-                            }
-                          })}
-                        </div>
-                      </AccordionContent>
-                    </AccordionItem>
-                  </Accordion>
-                </div>
-              )
-            })}
+            <RulesList
+              rules={rules}
+              start={(currentPage - 1) * pageSize}
+              end={currentPage * pageSize}
+            />
           </CardContent>
+          <CardFooter>
+            <RulesPagination
+              currentPage={currentPage}
+              setCurrentPage={setCurrentPage}
+              pageSize={pageSize}
+              itemsCount={itemsCount}
+            />
+          </CardFooter>
         </Card>
       </div>
     </div>