feat : fix a lot of stuff

routes/(apps)/students/api/students/[numEtud].ts

@@ -1,15 +1,21 @@
 import { FreshContext, Handlers } from "$fresh/server.ts";
 import { db } from "$root/databases/db.ts";
-import { students } from "$root/databases/schema.ts";
+import {
+  ajustements,
+  mobility,
+  notes,
+  students,
+} from "$root/databases/schema.ts";
 import { AuthenticatedState } from "$root/defaults/interfaces.ts";
 import { eq } from "npm:drizzle-orm@0.45.2";
 
-const NOT_FOUND = new Response(
-  JSON.stringify({ error: "Ressource introuvable" }),
-  { status: 404, headers: { "content-type": "application/json" } },
-);
+const NOT_FOUND = () =>
+  new Response(
+    JSON.stringify({ error: "Ressource introuvable" }),
+    { status: 404, headers: { "content-type": "application/json" } },
+  );
 
-const FORBIDDEN = new Response(null, { status: 403 });
+const FORBIDDEN = () => new Response(null, { status: 403 });
 
 export const handler: Handlers<null, AuthenticatedState> = {
   // #10 GET /students/{numEtud}
@@ -18,7 +24,7 @@ export const handler: Handlers<null, AuthenticatedState> = {
     context: FreshContext<AuthenticatedState>,
   ): Promise<Response> {
     if (context.state.session.eduPersonPrimaryAffiliation !== "employee") {
-      return FORBIDDEN;
+      return FORBIDDEN();
     }
 
     const numEtud = Number(context.params.numEtud);
@@ -28,7 +34,7 @@ export const handler: Handlers<null, AuthenticatedState> = {
       .where(eq(students.numEtud, numEtud))
       .then((rows) => rows[0] ?? null);
 
-    if (!student) return NOT_FOUND;
+    if (!student) return NOT_FOUND();
 
     return new Response(JSON.stringify(student), {
       headers: { "content-type": "application/json" },
@@ -41,20 +47,32 @@ export const handler: Handlers<null, AuthenticatedState> = {
     context: FreshContext<AuthenticatedState>,
   ): Promise<Response> {
     if (context.state.session.eduPersonPrimaryAffiliation !== "employee") {
-      return FORBIDDEN;
+      return FORBIDDEN();
     }
 
     const numEtud = Number(context.params.numEtud);
-    const body: { nom: string; prenom: string; idPromo: string } = await request
-      .json();
+    const body: { nom?: string; prenom?: string; idPromo?: string } =
+      await request.json();
+
+    const set: { nom?: string; prenom?: string; idPromo?: string } = {};
+    if (body.nom !== undefined) set.nom = body.nom;
+    if (body.prenom !== undefined) set.prenom = body.prenom;
+    if (body.idPromo !== undefined) set.idPromo = body.idPromo;
+
+    if (Object.keys(set).length === 0) {
+      return new Response(
+        JSON.stringify({ error: "Au moins un champ requis" }),
+        { status: 400, headers: { "content-type": "application/json" } },
+      );
+    }
 
     const [updated] = await db
       .update(students)
-      .set({ nom: body.nom, prenom: body.prenom, idPromo: body.idPromo })
+      .set(set)
       .where(eq(students.numEtud, numEtud))
       .returning();
 
-    if (!updated) return NOT_FOUND;
+    if (!updated) return NOT_FOUND();
 
     return new Response(JSON.stringify(updated), {
       headers: { "content-type": "application/json" },
@@ -62,21 +80,31 @@ export const handler: Handlers<null, AuthenticatedState> = {
   },
 
   // #12 DELETE /students/{numEtud}
+  // Cascade: deletes notes, ajustements, mobility for this student.
   async DELETE(
     _request: Request,
     context: FreshContext<AuthenticatedState>,
   ): Promise<Response> {
     if (context.state.session.eduPersonPrimaryAffiliation !== "employee") {
-      return FORBIDDEN;
+      return FORBIDDEN();
     }
 
     const numEtud = Number(context.params.numEtud);
-    const [deleted] = await db
-      .delete(students)
-      .where(eq(students.numEtud, numEtud))
-      .returning();
 
-    if (!deleted) return NOT_FOUND;
+    const student = await db
+      .select()
+      .from(students)
+      .where(eq(students.numEtud, numEtud))
+      .then((r) => r[0] ?? null);
+
+    if (!student) return NOT_FOUND();
+
+    await db.transaction(async (tx) => {
+      await tx.delete(notes).where(eq(notes.numEtud, numEtud));
+      await tx.delete(ajustements).where(eq(ajustements.numEtud, numEtud));
+      await tx.delete(mobility).where(eq(mobility.studentId, numEtud));
+      await tx.delete(students).where(eq(students.numEtud, numEtud));
+    });
 
     return new Response(null, { status: 204 });
   },