Add documentation menu and generate documentation markdown

src/components/EditorHeader/ControlPanel.jsx

@@ -70,6 +70,7 @@ import { exportSQL } from "../../utils/exportSQL";
 import { databases } from "../../data/databases";
 import { jsonToMermaid } from "../../utils/exportAs/mermaid";
 import { isRtl } from "../../i18n/utils/rtl";
+import { jsonToDocumentation } from "../../utils/exportAs/documentation";
 
 export default function ControlPanel({
   diagramId,
@@ -1064,6 +1065,29 @@ export default function ControlPanel({
         ],
         function: () => {},
       },
+      Documentation: {
+        children: [
+            {
+              Markdown: () => {
+                setModal(MODAL.CODE);
+                const result = jsonToDocumentation({
+                  tables: tables,
+                  relationships: relationships,
+                  notes: notes,
+                  subjectAreas: areas,
+                  database: database,
+                  title: title,
+                });
+                setExportData((prev) => ({
+                  ...prev,
+                  data: result,
+                  extension: "md",
+                }));
+              }
+            }
+        ],
+        function: () => {},
+      },
       exit: {
         function: () => {
           save();

src/utils/exportAs/documentation.js

@@ -0,0 +1,49 @@
+import { dbToTypes } from "../../data/datatypes";
+import { jsonToMermaid } from "./mermaid";
+
+export function jsonToDocumentation(obj) {
+
+  const documentationSummary = obj.tables
+    .map((table) => {
+      return `\t- [${table.name}](#${table.name})\n`;
+    }).join("");
+
+  const documentationEntities = obj.tables
+    .map((table) => {
+      const fields = table.fields
+        .map((field) => {
+          const fieldType =
+            field.type +
+            ((dbToTypes[obj.database][field.type].isSized ||
+              dbToTypes[obj.database][field.type].hasPrecision) &&
+            field.size &&
+            field.size !== ""
+              ? "(" + field.size + ")"
+              : "");
+          return `| **${field.name}** | ${fieldType} | ${field.primary ? "🔑 PK, " : ""}` +
+            `${field.nullable ? "null " : "not null "}${field.unique ? ", unique" : ""}${field.increment?", autoincrement":""}` +
+            `${field.default ? `, default: ${field.default}` : ""} | |${field.comment ? field.comment : ""} |`;
+
+        }).join("\n");
+      return `### ${table.name}\n${table.comment ? table.comment : ""}\n` +
+        `| Name        | Type          | Settings                      | References                    | Note                           |\n` +
+        `|-------------|---------------|-------------------------------|-------------------------------|--------------------------------|\n` +
+        `${fields}\n\n`;
+    }).join("");
+  
+  const documentationRelationships = obj.relationships?.length
+    ? obj.relationships
+      .map((r) => {
+        console.log(r);
+        const startTable = obj.tables[r.startTableId].name;
+        const endTable = obj.tables[r.endTableId].name;
+        return `- **${startTable} to ${endTable}**: ${r.cardinality} (${r.comment ? r.comment : ""})\n`;
+      }).join("") : "";
+  
+  return `# ${obj.title} Database Documentation\n## Summary\n- [Introduction](#introduction)\n- [Database Type](#database-type)\n`+
+          `- [Table Structure](#table-structure)\n${documentationSummary}\n- [Relationships](#relationships)\n- [Database Diagram](#database-Diagram)\n`+
+          `## Introduction\n${obj.notes}\n## Database type\n- **Database system:** `+
+          `${obj.database.type}\n## Table structure\n\n${documentationEntities}`+
+          `\n\n## Relationships\n${documentationRelationships}\n\n`+
+          `## Database Diagram\n\`\`\`${jsonToMermaid(obj)}\`\`\``;
+}