feat(invitation): add email provider selection and notification handling for user invitations

- Introduced a new optional field for notificationId in the invitation form.
- Implemented fetching of email providers based on the active organization.
- Enhanced invitation sending logic to include email notifications when applicable.
- Updated UI to conditionally display email provider selection based on cloud status.

apps/dokploy/server/api/routers/notification.ts

@@ -446,4 +446,12 @@ export const notificationRouter = createTRPCRouter({
 				});
 			}
 		}),
+	getEmailProviders: adminProcedure.query(async ({ ctx }) => {
+		return await db.query.notifications.findMany({
+			where: eq(notifications.organizationId, ctx.session.activeOrganizationId),
+			with: {
+				email: true,
+			},
+		});
+	}),
 });

apps/dokploy/server/api/routers/user.ts

@@ -1,10 +1,13 @@
 import {
 	IS_CLOUD,
 	createApiKey,
+	findAdmin,
+	findNotificationById,
 	findOrganizationById,
 	findUserById,
 	getUserByToken,
 	removeUserById,
+	sendEmailNotification,
 	updateUser,
 } from "@dokploy/server";
 import { db } from "@dokploy/server/db";
@@ -362,4 +365,59 @@ export const userRouter = createTRPCRouter({
 
 			return organizations.length;
 		}),
+	sendInvitation: adminProcedure
+		.input(
+			z.object({
+				invitationId: z.string().min(1),
+				notificationId: z.string().min(1),
+			}),
+		)
+		.mutation(async ({ input, ctx }) => {
+			if (IS_CLOUD) {
+				return;
+			}
+
+			const notification = await findNotificationById(input.notificationId);
+
+			const email = notification.email;
+
+			const currentInvitation = await db.query.invitation.findFirst({
+				where: eq(invitation.id, input.invitationId),
+			});
+
+			if (!email) {
+				throw new TRPCError({
+					code: "NOT_FOUND",
+					message: "Email notification not found",
+				});
+			}
+
+			const admin = await findAdmin();
+			const host =
+				process.env.NODE_ENV === "development"
+					? "http://localhost:3000"
+					: admin.user.host;
+			const inviteLink = `${host}/invitation?token=${input.invitationId}`;
+
+			const organization = await findOrganizationById(
+				ctx.session.activeOrganizationId,
+			);
+
+			try {
+				await sendEmailNotification(
+					{
+						...email,
+						toAddresses: [currentInvitation?.email || ""],
+					},
+					"Invitation to join organization",
+					`
+				<p>You are invited to join ${organization?.name || "organization"} on Dokploy. Click the link to accept the invitation: <a href="${inviteLink}">Accept Invitation</a></p>
+					`,
+				);
+			} catch (error) {
+				console.log(error);
+				throw error;
+			}
+			return inviteLink;
+		}),
 });