Initial commit

gui/app/src/providers/jsonschema-provider.tsx

@@ -0,0 +1,186 @@
+import { RJSFSchema } from '@rjsf/utils';
+
+const API_URL = "http://localhost:8000";
+
+
+export const jsonschemaProvider = {
+  getResourceSchema: async (resourceName: string): RJSFSchema => {
+    return buildResource(await getJsonschema(), resourceName)
+  }
+};
+
+let rawSchema: RJSFSchema;
+const getJsonschema = async (): RJSFSchema => {
+  if (rawSchema === undefined) {
+    const response = await fetch(
+      API_URL + "/openapi.json",
+    )
+    rawSchema = await response.json();
+  }
+  return rawSchema;
+}
+
+function buildResource(rawSchemas: RJSFSchema, resourceName: string) {
+  let resource;
+
+  resource = structuredClone(rawSchemas.components.schemas[resourceName]);
+  resource.components = { schemas: {} };
+  for (let prop_name in resource.properties) {
+    let prop = resource.properties[prop_name];
+
+    if (is_reference(prop)) {
+      resolveReference(rawSchemas, resource, prop);
+    } else if (is_union(prop)) {
+      for (let i in prop.oneOf) {
+        resolveReference(rawSchemas, resource, prop.oneOf[i]);
+      }
+    } else if (is_enum(prop)) {
+      for (let i in prop.allOf) {
+        resolveReference(rawSchemas, resource, prop.allOf[i]);
+      }
+    } else if (is_array(prop) && is_reference(prop.items)) {
+      resolveReference(rawSchemas, resource, prop.items);
+    }
+  }
+
+  return resource;
+}
+
+function resolveReference(rawSchemas: RJSFSchema, resource: any, prop_reference: any) {
+  const subresourceName = get_reference_name(prop_reference);
+  const subresource = buildResource(rawSchemas, subresourceName);
+  resource.components.schemas[subresourceName] = subresource;
+  for (let subsubresourceName in subresource.components.schemas) {
+    if (! resource.components.schemas.hasOwnProperty(subsubresourceName)) {
+      resource.components.schemas[subsubresourceName] = subresource.components.schemas[subsubresourceName];
+    }
+  }
+}
+
+function changePropertiesOrder(resource: any) {
+  let created_at;
+  let updated_at;
+  let new_properties: any = {};
+  for (let prop_name in resource.properties) {
+    if (prop_name == 'created_at') {
+      created_at = resource.properties[prop_name];
+    } else if (prop_name == 'updated_at') {
+      updated_at = resource.properties[prop_name];
+    } else {
+      new_properties[prop_name] = resource.properties[prop_name];
+    }
+  }
+  if (created_at) {
+    new_properties['created_at'] = created_at;
+  }
+  if (updated_at) {
+    new_properties['updated_at'] = updated_at;
+  }
+  resource.properties = new_properties
+}
+
+function is_object(prop: any) {
+  return prop.hasOwnProperty('properties')
+}
+
+function is_reference(prop: any) {
+  return prop.hasOwnProperty('$ref');
+}
+
+function is_array(prop: any) {
+  return prop.hasOwnProperty('items');
+}
+
+function is_union(prop: any) {
+  return prop.hasOwnProperty('oneOf');
+}
+
+function is_enum(prop: any) {
+  return prop.hasOwnProperty('allOf');
+}
+
+function get_reference_name(prop: any) {
+  return prop['$ref'].substring(prop['$ref'].lastIndexOf('/')+1);
+}
+
+function has_descendant(rawSchemas:RJSFSchema, resource: RJSFSchema, property_name: string): boolean {
+  if (is_array(resource)) {
+    return property_name == 'items';
+  } else if (is_object(resource)) {
+    return property_name in resource.properties!;
+  } else if (is_reference(resource)) {
+    let subresourceName = get_reference_name(resource);
+    return has_descendant(rawSchemas, buildResource(rawSchemas, subresourceName), property_name);
+  } else if (is_union(resource)) {
+    for (const ref of resource.oneOf!) {
+      return has_descendant(rawSchemas, ref, property_name)
+    }
+  } else if (is_enum(resource)) {
+    for (const ref of resource.allOf!) {
+      return has_descendant(rawSchemas, ref, property_name);
+    }
+  }
+  throw new Error("Jsonschema format not implemented in property finder");
+}
+
+function get_descendant(rawSchemas: RJSFSchema, resource: RJSFSchema, property_name: string): RJSFSchema {
+  if (is_array(resource) && property_name == 'items') {
+    return resource.items;
+  } else if (is_object(resource) && property_name in resource.properties!) {
+    return resource.properties[property_name];
+  } else if (is_reference(resource)) {
+    let subresourceName = get_reference_name(resource);
+    let subresource = buildResource(rawSchemas, subresourceName);
+    return get_descendant(rawSchemas, subresource, property_name);
+  } else if (is_union(resource)) {
+    for (const ref of resource.oneOf!) {
+      if (has_descendant(rawSchemas, ref, property_name)) {
+        return get_descendant(rawSchemas, ref, property_name);
+      }
+    }
+  } else if (is_enum(resource)) {
+      for (const ref of resource.allOf!) {
+          if (has_descendant(rawSchemas, ref, property_name)) {
+              return get_descendant(rawSchemas, ref, property_name);
+          }
+      }
+  }
+  throw new Error("property not found or Jsonschema format not implemented");
+}
+
+function path_exists(rawSchemas: RJSFSchema, resource: RJSFSchema, path: string): boolean{
+  const pointFirstPosition = path.indexOf('.')
+  if (pointFirstPosition == -1) {
+    return has_descendant(rawSchemas, resource, path);
+  }
+
+
+  return has_descendant(rawSchemas, resource, path.substring(0, pointFirstPosition))
+    && path_exists(
+      rawSchemas,
+      get_descendant(
+        rawSchemas,
+        resource,
+        path.substring(0, pointFirstPosition)
+      ),
+      path.substring(pointFirstPosition + 1)
+    );
+}
+
+function get_property_by_path(rawSchemas: RJSFSchema, resource: RJSFSchema, path: string): RJSFSchema {
+  const pointFirstPosition = path.indexOf('.')
+  if (pointFirstPosition == -1) {
+    return get_descendant(rawSchemas, resource, path);
+  }
+
+  return get_property_by_path(
+    rawSchemas,
+    get_descendant(
+      rawSchemas,
+      resource,
+      path.substring(0, pointFirstPosition)
+    ),
+    path.substring(pointFirstPosition + 1)
+  );
+}
+