Scoped Branch - Rule Templates:

- Add rule templates for reusable access control rules
- Support template assignment to resources with automatic rule propagation
- Add template management UI
- Implement template rule protection on resource rules page

server/routers/ruleTemplate/deleteTemplateRule.ts

@@ -0,0 +1,100 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { templateRules, ruleTemplates } from "@server/db";
+import { eq, and } from "drizzle-orm";
+import response from "@server/lib/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { fromError } from "zod-validation-error";
+
+const deleteTemplateRuleParamsSchema = z
+    .object({
+        orgId: z.string().min(1),
+        templateId: z.string().min(1),
+        ruleId: z.string().min(1)
+    })
+    .strict();
+
+export async function deleteTemplateRule(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsedParams = deleteTemplateRuleParamsSchema.safeParse(req.params);
+        if (!parsedParams.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedParams.error).toString()
+                )
+            );
+        }
+
+        const { orgId, templateId, ruleId } = parsedParams.data;
+
+        // Check if template exists and belongs to the organization
+        const existingTemplate = await db
+            .select()
+            .from(ruleTemplates)
+            .where(and(eq(ruleTemplates.orgId, orgId), eq(ruleTemplates.templateId, templateId)))
+            .limit(1);
+
+        if (existingTemplate.length === 0) {
+            return next(
+                createHttpError(
+                    HttpCode.NOT_FOUND,
+                    "Rule template not found"
+                )
+            );
+        }
+
+        // Check if rule exists and belongs to the template
+        const existingRule = await db
+            .select()
+            .from(templateRules)
+            .where(and(eq(templateRules.templateId, templateId), eq(templateRules.ruleId, parseInt(ruleId))))
+            .limit(1);
+
+        if (existingRule.length === 0) {
+            return next(
+                createHttpError(
+                    HttpCode.NOT_FOUND,
+                    "Template rule not found"
+                )
+            );
+        }
+
+        // Delete the rule
+        await db
+            .delete(templateRules)
+            .where(and(eq(templateRules.templateId, templateId), eq(templateRules.ruleId, parseInt(ruleId))));
+
+        // Also delete all resource rules that were created from this template rule
+        try {
+            const { resourceRules } = await import("@server/db");
+            
+            await db
+                .delete(resourceRules)
+                .where(eq(resourceRules.templateRuleId, parseInt(ruleId)));
+        } catch (error) {
+            logger.error("Error deleting resource rules created from template rule:", error);
+            // Don't fail the template rule deletion if resource rule deletion fails, just log it
+        }
+
+        return response(res, {
+            data: null,
+            success: true,
+            error: false,
+            message: "Template rule deleted successfully",
+            status: HttpCode.OK
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}