parse tables

package-lock.json

@@ -8,6 +8,7 @@
       "name": "frontend",
       "version": "0.1.0",
       "dependencies": {
+        "@dbml/core": "^2.5.4",
         "@douyinfe/semi-ui": "^2.36.0",
         "@monaco-editor/react": "^4.5.1",
         "@testing-library/jest-dom": "^5.16.5",
@@ -2392,6 +2393,16 @@
         "postcss-selector-parser": "^6.0.10"
       }
     },
+    "node_modules/@dbml/core": {
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/@dbml/core/-/core-2.5.4.tgz",
+      "integrity": "sha512-bfLb59z6pExD64eFUZTiRQfVW853v+vsfQd1bOKAZm4fHozGYVyQnM5WI4AahkAy+Jwm9NKr/b0wmrT/Hyft1w==",
+      "dependencies": {
+        "lodash": "^4.17.15",
+        "parsimmon": "^1.13.0",
+        "pluralize": "^8.0.0"
+      }
+    },
     "node_modules/@douyinfe/semi-animation": {
       "version": "2.37.0",
       "resolved": "https://registry.npmjs.org/@douyinfe/semi-animation/-/semi-animation-2.37.0.tgz",
@@ -13210,6 +13221,11 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/parsimmon": {
+      "version": "1.18.1",
+      "resolved": "https://registry.npmjs.org/parsimmon/-/parsimmon-1.18.1.tgz",
+      "integrity": "sha512-u7p959wLfGAhJpSDJVYXoyMCXWYwHia78HhRBWqk7AIbxdmlrfdp5wX0l3xv/iTSH5HvhN9K7o26hwwpgS5Nmw=="
+    },
     "node_modules/pascal-case": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/pascal-case/-/pascal-case-3.1.2.tgz",
@@ -13424,6 +13440,14 @@
         "node": ">=4"
       }
     },
+    "node_modules/pluralize": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/pluralize/-/pluralize-8.0.0.tgz",
+      "integrity": "sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/postcss": {
       "version": "8.4.24",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.24.tgz",

src/components/control_panel.jsx

@@ -35,6 +35,7 @@ import {
   exitFullscreen,
   ddbDiagramIsValid,
   dataURItoBlob,
+  jsonToSQL,
 } from "../utils";
 import {
   AreaContext,
@@ -53,6 +54,7 @@ import { useHotkeys } from "react-hotkeys-hook";
 import { Validator } from "jsonschema";
 import { areaSchema, noteSchema, tableSchema } from "../schemas";
 import { Editor } from "@monaco-editor/react";
+// import { Parser } from "node-sql-parser";
 
 export default function ControlPanel(props) {
   const MODAL = {
@@ -69,7 +71,7 @@ export default function ControlPanel(props) {
   };
   const [visible, setVisible] = useState(MODAL.NONE);
   const [exportData, setExportData] = useState({
-    data: "",
+    data: null,
     filename: `diagram_${new Date().toISOString()}`,
     extension: "",
   });
@@ -726,7 +728,29 @@ export default function ControlPanel(props) {
       },
       "Export source": {
         children: [
-          { MySQL: () => {} },
+          {
+            MySQL: () => {
+              setVisible(MODAL.CODE);
+              const src = jsonToSQL({
+                tables: tables,
+                references: relationships,
+              });
+              // try{
+              //   const parser = new Parser();
+              //   const ast = parser.astify(src);
+              //   console.log(ast);
+              //   const sql = parser.sqlify(ast);
+              //   console.log(sql);
+              // } catch(e){
+              //   console.log(e)
+              // }
+              setExportData((prev) => ({
+                ...prev,
+                data: src,
+                extension: "sql",
+              }));
+            },
+          },
           { PostgreSQL: () => {} },
           { DBML: () => {} },
         ],
@@ -863,7 +887,10 @@ export default function ControlPanel(props) {
       "Tweet us": {
         function: () => {},
       },
-      "Found a bug": {
+      "Report a bug": {
+        function: () => {},
+      },
+      "Suggest a feature": {
         function: () => {},
       },
     },
@@ -1193,7 +1220,7 @@ export default function ControlPanel(props) {
               <Editor
                 height="360px"
                 value={exportData.data}
-                language="json"
+                language={exportData.extension}
                 options={{ readOnly: true }}
               />
             )}

src/pages/editor.jsx

@@ -80,7 +80,7 @@ export default function Editor(props) {
           fields: [
             {
               name: "id",
-              type: "UUID",
+              type: "INT",
               default: "",
               check: "",
               primary: true,

src/utils/index.js

@@ -1,7 +1,7 @@
 import { Validator } from "jsonschema";
 import { ddbSchema, jsonSchema } from "../schemas";
 
-const enterFullscreen = () => {
+function enterFullscreen() {
   const element = document.documentElement;
   if (element.requestFullscreen) {
     element.requestFullscreen();
@@ -12,9 +12,9 @@ const enterFullscreen = () => {
   } else if (element.msRequestFullscreen) {
     element.msRequestFullscreen();
   }
-};
+}
 
-const exitFullscreen = () => {
+function exitFullscreen() {
   if (document.exitFullscreen) {
     document.exitFullscreen();
   } else if (document.mozCancelFullScreen) {
@@ -24,15 +24,15 @@ const exitFullscreen = () => {
   } else if (document.msExitFullscreen) {
     document.msExitFullscreen();
   }
-};
+}
 
-const jsonDiagramIsValid = (obj) => {
+function jsonDiagramIsValid(obj) {
   return new Validator().validate(obj, jsonSchema).valid;
-};
+}
 
-const ddbDiagramIsValid = (obj) => {
+function ddbDiagramIsValid(obj) {
   return new Validator().validate(obj, ddbSchema).valid;
-};
+}
 
 function dataURItoBlob(dataUrl) {
   const byteString = atob(dataUrl.split(",")[1]);
@@ -47,10 +47,33 @@ function dataURItoBlob(dataUrl) {
   return new Blob([intArray], { type: mimeString });
 }
 
+function jsonToSQL(obj) {
+  return obj.tables
+    .map(
+      (table) =>
+        `${
+          table.comment === "" ? "" : `/* ${table.comment} */\n`
+        }CREATE TABLE \`${table.name}\` (\n${table.fields
+          .map(
+            (field) =>
+              `${field.comment === "" ? "" : `\t-- ${field.comment}\n`}\t\`${
+                field.name
+              }\` ${field.type} ${field.notNull ? "NOT NULL" : ""} ${
+                field.increment ? "AUTO_INCREMENT" : ""
+              } ${field.unique ? "UNIQUE" : ""},`
+          )
+          .join("\n")}\n\tPRIMARY KEY(${table.fields.map((f) =>
+          f.primary ? `${f.name}` : ""
+        )})\n);`
+    )
+    .join("\n");
+}
+
 export {
   enterFullscreen,
   exitFullscreen,
   jsonDiagramIsValid,
   ddbDiagramIsValid,
   dataURItoBlob,
+  jsonToSQL,
 };