feat(roles): add CRUD endpoints for role by id

routes/(apps)/admin/api/roles/[idRole].ts

@@ -0,0 +1,97 @@
+import { FreshContext, Handlers } from "$fresh/server.ts";
+import { db } from "$root/databases/db.ts";
+import { rolePermissions, roles } from "$root/databases/schema.ts";
+import { AuthenticatedState } from "$root/defaults/interfaces.ts";
+import { eq } from "npm:drizzle-orm";
+
+const NOT_FOUND = new Response(
+  JSON.stringify({ error: "Ressource introuvable" }),
+  { status: 404, headers: { "content-type": "application/json" } },
+);
+
+async function getRoleWithPermissions(
+  id: number,
+): Promise<{ id: number; nom: string; permissions: string[] } | null> {
+  const role = await db
+    .select()
+    .from(roles)
+    .where(eq(roles.id, id))
+    .then((rows) => rows[0] ?? null);
+
+  if (!role) return null;
+
+  const perms = await db
+    .select({ idPermission: rolePermissions.idPermission })
+    .from(rolePermissions)
+    .where(eq(rolePermissions.idRole, id));
+
+  return { id: role.id, nom: role.nom, permissions: perms.map((p) => p.idPermission) };
+}
+
+export const handler: Handlers<null, AuthenticatedState> = {
+  // #67 GET /roles/{idRole}
+  async GET(
+    _request: Request,
+    context: FreshContext<AuthenticatedState>,
+  ): Promise<Response> {
+    const id = Number(context.params.idRole);
+    const role = await getRoleWithPermissions(id);
+
+    if (!role) return NOT_FOUND;
+
+    return new Response(JSON.stringify(role), {
+      headers: { "content-type": "application/json" },
+    });
+  },
+
+  // #68 PUT /roles/{idRole}
+  async PUT(
+    request: Request,
+    context: FreshContext<AuthenticatedState>,
+  ): Promise<Response> {
+    const id = Number(context.params.idRole);
+    const body: { nom: string; permissions: string[] } = await request.json();
+
+    const [updated] = await db
+      .update(roles)
+      .set({ nom: body.nom })
+      .where(eq(roles.id, id))
+      .returning();
+
+    if (!updated) return NOT_FOUND;
+
+    // Reset permissions
+    await db.delete(rolePermissions).where(eq(rolePermissions.idRole, id));
+
+    if (body.permissions?.length) {
+      await db.insert(rolePermissions).values(
+        body.permissions.map((p) => ({ idRole: id, idPermission: p })),
+      );
+    }
+
+    const role = await getRoleWithPermissions(id);
+    return new Response(JSON.stringify(role), {
+      headers: { "content-type": "application/json" },
+    });
+  },
+
+  // #69 DELETE /roles/{idRole}
+  async DELETE(
+    _request: Request,
+    context: FreshContext<AuthenticatedState>,
+  ): Promise<Response> {
+    const id = Number(context.params.idRole);
+
+    // Cascade delete role_permissions first
+    await db.delete(rolePermissions).where(eq(rolePermissions.idRole, id));
+
+    const [deleted] = await db
+      .delete(roles)
+      .where(eq(roles.id, id))
+      .returning();
+
+    if (!deleted) return NOT_FOUND;
+
+    return new Response(null, { status: 204 });
+  },
+};