From 1c78eb4a09edaa0439a487a5ba6981867ef5d01f Mon Sep 17 00:00:00 2001
From: 728 <septem.duo.octo@outlook.com>
Date: Sat, 25 Nov 2023 10:59:20 +0800
Subject: [PATCH] =?UTF-8?q?pre=20=E5=88=9B=E5=BB=BA=E6=93=8D=E4=BD=9C=20#4?=
 =?UTF-8?q?5?=
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---
 readme.md      |  4 ++--
 src/pra/can.ts | 42 +++++++++++++++++++++++++++++++++--
 src/pra/pos.ts |  7 ++++--
 src/pra/pre.ts | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 106 insertions(+), 6 deletions(-)
 create mode 100644 src/pra/pre.ts

diff --git a/readme.md b/readme.md
index 3996e68..12c87d5 100644
--- a/readme.md
+++ b/readme.md
@@ -18,8 +18,8 @@
 		- `usr.ts` 用户数据操作 `user`
 		- `soc.ts` 俱乐部数据操作 `sociation` `social`
 		- `agd.ts` 活动数据操作 `agenda`
-		- `rec.ts` 记录数据操作 `record`
-		- `msg.ts` 文章数据操作 `message`
+		- `rec.ts` 记录数据操作 `record` - `credit` `debit` `earn`
+		- `msg.ts` 文章数据操作 `message` - `wsl` `lit`
 		- `aut.ts` 权限数据操作 `author` `authority`
 	* `pra` 业务操作 `praxic`
 		- `can.ts` 操作权限
diff --git a/src/pra/can.ts b/src/pra/can.ts
index 410c2d1..3d094c8 100644
--- a/src/pra/can.ts
+++ b/src/pra/can.ts
@@ -1,9 +1,31 @@
-import { is_id, is_lim, is_nbr, lim_code } from "../eid/is.ts";
-import type { Psg } from "./pas.ts"
+import type { Pas, Psg } from "./pas.ts"
+import type { Soc } from "../eid/typ.ts"
+import type { Pre } from "./pre.ts"
+import { is_cdt, is_id, is_in, is_lim, is_nam, is_nbr, is_rec, lim_code } from "../eid/is.ts"
+import { is_adm } from "../ont/adm.ts"
 
 // deno-lint-ignore no-explicit-any
 export type Ret<T extends (...args: any) => any> = Awaited<ReturnType<T>>
 
+export function is_aut(
+	pas: Pas,
+	aut?: Pas["aut"][0],
+): boolean {
+	return aut ? pas.aut.includes(aut) : pas.aut.length > 0
+}
+export function is_sec(
+	pas: Pas,
+	soc?: Soc["_id"],
+): boolean {
+	return soc ? is_in(pas.sec, soc) : pas.sec.length > 0
+}
+export function is_usr(
+	pas: Pas,
+	soc?: Soc["_id"],
+): boolean {
+	return soc ? pas.cdt.some(c => c._id.soc == soc) : pas.cdt.length > 0
+}
+
 export function is_psg(
 	p: Psg
 ): boolean {
@@ -15,3 +37,19 @@ export function is_psg(
 	}
 	return false
 }
+
+export function is_pre(
+	pas: Pas,
+	p: Pre,
+): boolean {
+	switch (p.pre) {
+		case "usr": return (is_aut(pas) || is_sec(pas)) && is_nbr(p.nbr) && is_adm(p.adm1, p.adm2)
+		case "soc": return is_aut(pas, "aut") && is_nam(p.nam) && is_adm(p.adm1, p.adm2)
+		case "agd": return is_sec(pas, p.soc) && is_nam(p.nam)
+		case "cdt": return is_sec(pas, p.cdt._id.soc) && is_cdt(p.cdt) && p.cdt.sec == pas.usr
+		case "dbt": return is_usr(pas, p.dbt._id.soc) && p.dbt._id.usr == pas.usr && is_rec(p.dbt)
+		case "ern": return is_sec(pas, p.ern._id.soc) && is_rec(p.ern) && p.ern.sec == pas.usr
+		case "wsl": case "lit": return is_aut(pas, p.pre) && is_nam(p.nam)
+	}
+	return false
+}
diff --git a/src/pra/pos.ts b/src/pra/pos.ts
index a419081..993e318 100644
--- a/src/pra/pos.ts
+++ b/src/pra/pos.ts
@@ -1,7 +1,8 @@
-import { Ret } from "./can.ts"
+import type { Ret } from "./can.ts"
 import { Psg, pas, psg } from "./pas.ts"
+import { Pre, pre } from "./pre.ts"
 
-export type Pos = Psg
+export type Pos = Psg | Pre
 export type PosRet = Ret<typeof psg>
 
 export async function pos(
@@ -15,6 +16,8 @@ export async function pos(
 	const p = jwt ? await pas(jwt) : null
 
 	if ("psg" in json) return psg(p, json)
+	else if (!p) return { ret: null }
+	else if ("pre" in json) return pre(p, json)
 
 	return { ret: null }
 }
diff --git a/src/pra/pre.ts b/src/pra/pre.ts
new file mode 100644
index 0000000..d964473
--- /dev/null
+++ b/src/pra/pre.ts
@@ -0,0 +1,59 @@
+import type { Agd, Cdt, Dbt, Ern, Lit, Soc, Usr, Wsl } from "../eid/typ.ts"
+import type { Pas } from "./pas.ts"
+import { agd_c } from "../eid/agd.ts"
+import { soc_c, soc_r } from "../eid/soc.ts"
+import { usr_c } from "../eid/usr.ts"
+import { Ret, is_pre } from "./can.ts"
+
+export type Pre = {
+	pre: "usr",
+	nbr: NonNullable<Usr["nbr"]>,
+	adm1: Usr["adm1"],
+	adm2: Usr["adm2"],
+} | {
+	pre: "soc",
+	nam: Soc["nam"],
+	adm1: Soc["adm1"],
+	adm2: Soc["adm2"],
+} | {
+	pre: "agd",
+	nam: Agd["nam"],
+	soc: Agd["soc"],
+} | {
+	pre: "cdt",
+	cdt: Cdt,
+} | {
+	pre: "dbt",
+	dbt: Dbt,
+} | {
+	pre: "ern",
+	ern: Ern,
+} | {
+	pre: "wsl",
+	nam: Wsl["nam"],
+} | {
+	pre: "lit",
+	nam: Lit["nam"],
+}
+
+export type PreRet = {
+	usr: Ret<typeof usr_c>,
+	soc: Ret<typeof soc_c>,
+	agd: Ret<typeof agd_c>,
+}
+
+export async function pre(
+	pas: Pas,
+	p: Pre,
+) {
+	if (!is_pre(pas, p)) return null
+	switch (p.pre) {
+		case "usr": return usr_c(p.nbr, p.adm1, p.adm2)
+		case "soc": return soc_c(p.nam, p.adm1, p.adm2)
+		case "agd": {
+			const s = await soc_r(p.soc, { adm1: 1, adm2: 1 })
+			return s ? agd_c(p.nam, s.adm1, s.adm2, p.soc) : null
+		}
+	}
+	return null
+}