Add additional join logic for admins

Signed-off-by: Phrosfire <65364337+Phrosfire@users.noreply.github.com>

app/src/server/api/routers/clan.ts

@@ -1179,6 +1179,35 @@ export const clanRouter = createTRPCRouter({
       }
       return errorResponse(`Failed to initiate ${groupLabel} battle`);
     }),
+  instantJoinAndLead: protectedProcedure
+  .input(z.object({ clanId: z.string() }))
+  .output(baseServerResponse)
+  .mutation(async ({ ctx, input }) => {
+    const [user, fetchedClan] = await Promise.all([
+      fetchUser(ctx.drizzle, ctx.userId),
+      fetchClan(ctx.drizzle, input.clanId),
+    ]);
+    if (!fetchedClan) return errorResponse("Faction not found");
+    if (!user) return errorResponse("User not found");
+    if (!canEditClans(user.role)) return errorResponse("Permission denied");
+    if (user.clanId) return errorResponse("Already in a faction");
+
+    await ctx.drizzle.transaction(async (tx) => {
+      await tx
+        .update(userData)
+        .set({ clanId: fetchedClan.id, villageId: fetchedClan.village?.id })
+        .where(eq(userData.userId, user.userId));
+      await tx
+        .update(clan)
+        .set({ leaderId: user.userId })
+        .where(eq(clan.id, fetchedClan.id));
+    });
+
+    return {
+      success: true,
+      message: `You have instantly joined and taken leadership of ${fetchedClan.name}`,
+    };
+  }),
 });
 
 /**