convert dbmodel to json

package.json

@@ -35,6 +35,7 @@
     "build:web:docker": "yarn workspace dbgate-web build",
     "build:plugins:frontend": "workspaces-run --only=\"dbgate-plugin-*\" -- yarn build:frontend",
     "build:plugins:frontend:watch": "workspaces-run --parallel --only=\"dbgate-plugin-*\" -- yarn build:frontend:watch",
+    "storage-json": "dbmodel model-to-json storage-db packages/api/src/storageModel.json",
     "plugins:copydist": "workspaces-run --only=\"dbgate-plugin-*\" -- yarn copydist",
     "build:app:local": "yarn plugins:copydist && cd app && yarn build:local",
     "start:app:local": "cd app && yarn start:local",

packages/api/src/shell/dbModelToJson.js

@@ -0,0 +1,16 @@
+const importDbModel = require('../utility/importDbModel');
+const fs = require('fs');
+
+async function dbModelToJson({ modelFolder, outputFile, commonjs }) {
+  const dbInfo = await importDbModel(modelFolder);
+
+  const json = JSON.stringify(dbInfo, null, 2);
+  if (commonjs) {
+    fs.writeFileSync(outputFile, `module.exports = ${json};`);
+    return;
+  } else {
+    fs.writeFileSync(outputFile, json);
+  }
+}
+
+module.exports = dbModelToJson;

packages/api/src/shell/index.js

@@ -27,6 +27,8 @@ const loadDatabase = require('./loadDatabase');
 const generateModelSql = require('./generateModelSql');
 const modifyJsonLinesReader = require('./modifyJsonLinesReader');
 const dataDuplicator = require('./dataDuplicator');
+const dbModelToJson = require('./dbModelToJson');
+const jsonToDbModel = require('./jsonToDbModel');
 
 const dbgateApi = {
   queryReader,
@@ -57,6 +59,8 @@ const dbgateApi = {
   generateModelSql,
   modifyJsonLinesReader,
   dataDuplicator,
+  dbModelToJson,
+  jsonToDbModel,
 };
 
 requirePlugin.initializeDbgateApi(dbgateApi);

packages/api/src/shell/jsonToDbModel.js

@@ -0,0 +1,9 @@
+const exportDbModel = require('../utility/exportDbModel');
+const fs = require('fs');
+
+async function jsonToDbModel({ modelFile, outputDir }) {
+  const dbInfo = JSON.parse(fs.readFileSync(modelFile, 'utf-8'));
+  await exportDbModel(dbInfo, outputDir);
+}
+
+module.exports = jsonToDbModel;

packages/dbmodel/bin/dbmodel.js

@@ -38,7 +38,8 @@ program
     '--load-data-condition <condition>',
     'regex, which table data will be loaded and stored in model (in load command)'
   )
-  .requiredOption('-e, --engine <engine>', 'engine name, eg. mysql@dbgate-plugin-mysql');
+  .option('-e, --engine <engine>', 'engine name, eg. mysql@dbgate-plugin-mysql')
+  .option('--commonjs', 'Creates CommonJS module');
 
 program
   .command('deploy <modelFolder>')
@@ -117,4 +118,30 @@ program
     );
   });
 
+program
+  .command('json-to-model <jsonFile> <modelFolder>')
+  .description('Converts JSON file to model')
+  .action((jsonFile, modelFolder) => {
+    runAndExit(
+      dbgateApi.jsonToDbModel({
+        modelFile: jsonFile,
+        outputDir: modelFolder,
+      })
+    );
+  });
+
+program
+  .command('model-to-json <modelFolder> <jsonFile>')
+  .description('Converts model to JSON file')
+  .action((modelFolder, jsonFile) => {
+    const { commonjs } = program.opts();
+    runAndExit(
+      dbgateApi.dbModelToJson({
+        modelFolder,
+        outputFile: jsonFile,
+        commonjs,
+      })
+    );
+  });
+
 program.parse(process.argv);