Canvas: build application infrastructure with drag and drop

Change-Id: I5cfd12e67794f3376c5c025af29470d52d77cf16
diff --git a/apps/canvas/server/index.js b/apps/canvas/server/index.js
new file mode 100644
index 0000000..0cbf5e0
--- /dev/null
+++ b/apps/canvas/server/index.js
@@ -0,0 +1,203 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const client_1 = require("@prisma/client");
+const node_http_1 = require("node:http");
+const express_1 = __importDefault(require("express"));
+const privateKey = `-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACDyufLzLtDMCM3WU/pqqSAZIZePKffv2MAwmb+zIE3rBQAAAKA42oIlONqC
+JQAAAAtzc2gtZWQyNTUxOQAAACDyufLzLtDMCM3WU/pqqSAZIZePKffv2MAwmb+zIE3rBQ
+AAAEC2CdpXtaFfqA8/mqjf9uITU1mrPOI4CeWgiQFEefFW1/K58vMu0MwIzdZT+mqpIBkh
+l48p9+/YwDCZv7MgTesFAAAAGXJvb3RAY2FudmFzYnVpbGRlci1tYXN0ZXIBAgME
+-----END OPENSSH PRIVATE KEY-----`;
+const db = new client_1.PrismaClient();
+const handleProjectCreate = (req, resp) => __awaiter(void 0, void 0, void 0, function* () {
+    try {
+        const { id } = yield db.project.create({
+            data: {
+                userId: req.get("x-forwarded-userid"),
+                name: req.body.name,
+            },
+        });
+        resp.status(200);
+        resp.header("Content-Type", "application/json");
+        resp.write(JSON.stringify({
+            id,
+        }));
+    }
+    catch (e) {
+        console.log(e);
+        resp.status(500);
+    }
+    finally {
+        resp.end();
+    }
+});
+const handleProjectAll = (req, resp) => __awaiter(void 0, void 0, void 0, function* () {
+    try {
+        const r = yield db.project.findMany({
+            where: {
+                userId: req.get("x-forwarded-userid"),
+            },
+        });
+        resp.status(200);
+        resp.header("Content-Type", "application/json");
+        resp.write(JSON.stringify(r.map((p) => ({
+            id: p.id.toString(),
+            name: p.name,
+        }))));
+    }
+    catch (e) {
+        console.log(e);
+        resp.status(500);
+    }
+    finally {
+        resp.end();
+    }
+});
+const handleSave = (req, resp) => __awaiter(void 0, void 0, void 0, function* () {
+    try {
+        yield db.project.update({
+            where: {
+                id: Number(req.params["projectId"]),
+            },
+            data: {
+                draft: Buffer.from(JSON.stringify(req.body)),
+            },
+        });
+        resp.status(200);
+    }
+    catch (e) {
+        console.log(e);
+        resp.status(500);
+    }
+    finally {
+        resp.end();
+    }
+});
+const handleSavedGet = (req, resp) => __awaiter(void 0, void 0, void 0, function* () {
+    try {
+        const r = yield db.project.findUnique({
+            where: {
+                id: Number(req.params["projectId"]),
+            },
+            select: {
+                draft: true,
+            }
+        });
+        if (r == null) {
+            resp.status(404);
+        }
+        else {
+            resp.status(200);
+            resp.header("content-type", "application/json");
+            if (r.draft == null) {
+                resp.send({
+                    nodes: [],
+                    edges: [],
+                    viewport: { x: 0, y: 0, zoom: 1 },
+                });
+            }
+            else {
+                resp.send(JSON.parse(r.draft.toString()));
+            }
+        }
+    }
+    catch (e) {
+        console.log(e);
+        resp.status(500);
+    }
+    finally {
+        resp.end();
+    }
+});
+const handleDeploy = (req, resp) => __awaiter(void 0, void 0, void 0, function* () {
+    try {
+        console.log(req.params);
+        const state = Buffer.from(JSON.stringify(req.body.state));
+        yield db.project.update({
+            where: {
+                id: Number(req.params["projectId"]),
+            },
+            data: {
+                draft: state,
+            },
+        });
+        const result = yield new Promise((resolve) => {
+            const r = (0, node_http_1.request)("http://appmanager.hgrz-appmanager.svc.cluster.local/api/dodo-app", {
+                method: "POST",
+                headers: {
+                    "content-type": "application/json",
+                },
+            }, (res) => {
+                res.on("end", () => {
+                    resolve(res.statusCode);
+                });
+                res.on("close", () => {
+                    resolve(res.statusCode);
+                });
+                res.on("error", () => {
+                    resolve(res.statusCode);
+                });
+                res.on("data", (data) => console.log(data));
+                res.on("pause", () => console.log("pause"));
+                res.on("readable", () => console.log("readable"));
+                res.on("resume", () => console.log("resume"));
+            });
+            r.write(JSON.stringify({
+                id: req.params["projectId"],
+                sshPrivateKey: privateKey,
+                config: req.body.config,
+            }));
+            r.end();
+        });
+        resp.status(result);
+        if (result === 200) {
+            yield db.project.update({
+                where: {
+                    id: Number(req.params["projectId"]),
+                },
+                data: {
+                    state,
+                },
+            });
+        }
+    }
+    catch (e) {
+        console.log(e);
+        resp.status(500);
+    }
+    finally {
+        resp.end();
+    }
+});
+function start() {
+    return __awaiter(this, void 0, void 0, function* () {
+        yield db.$connect();
+        const app = (0, express_1.default)();
+        app.use(express_1.default.json());
+        app.post("/api/project/:projectId/saved", handleSave);
+        app.get("/api/project/:projectId/saved", handleSavedGet);
+        app.post("/api/project/:projectId/deploy", handleDeploy);
+        app.get("/api/project", handleProjectAll);
+        app.post("/api/project", handleProjectCreate);
+        app.use("/assets", express_1.default.static("../dist/assets"));
+        app.use("/", express_1.default.static("../dist"));
+        app.listen(3000, () => {
+            console.log("started");
+        });
+    });
+}
+start();