Fake data generator (#594)

Signed-off-by: Andrey Sobolev <haiodo@gmail.com>

dev/generator/src/comments.ts

@@ -0,0 +1,29 @@
+import chunter, { Comment } from '@anticrm/chunter'
+import { AttachedData, Class, Doc, generateId, Ref, Space, TxOperations } from '@anticrm/core'
+import faker from 'faker'
+
+export interface CommentOptions {
+  min: number
+  max: number
+  paragraphMin: number
+  paragraphMax: number
+  updateFactor: number // 0-100 value, will generate random value and if value is less updateFactor it will be updated.
+}
+
+export async function addComments<T extends Doc> (options: CommentOptions, client: TxOperations, space: Ref<Space>, objectId: Ref<T>, _class: Ref<Class<T>>, collection: string): Promise<void> {
+  const commentsCount = options.min + faker.datatype.number(options.max)
+  for (let i = 0; i < commentsCount; i++) {
+    const commentId = `candidate-comment-${generateId()}-${i}` as Ref<Comment>
+
+    const commentData: AttachedData<Comment> = {
+      message: faker.lorem.paragraphs(options.paragraphMin + faker.datatype.number(options.paragraphMax))
+    }
+    await client.addCollection(chunter.class.Comment, space, objectId, _class, collection, commentData, commentId)
+
+    if (faker.datatype.number(100) > options.updateFactor) {
+      const updateMsg = faker.lorem.paragraphs(options.paragraphMin + faker.datatype.number(options.paragraphMax))
+
+      await client.updateCollection(chunter.class.Comment, space, commentId, objectId, _class, collection, { message: updateMsg })
+    }
+  }
+}