mirror of
https://github.com/digital-asset/daml.git
synced 2024-09-19 16:57:40 +03:00
250 lines
8.1 KiB
Diff
250 lines
8.1 KiB
Diff
diff --git create-daml-app/daml/ChatBot.daml create-daml-app/daml/ChatBot.daml
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--- create-daml-app/daml/ChatBot.daml 1970-01-01 01:00:00.000000000 +0100
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+++ create-daml-app/daml/ChatBot.daml 2022-01-12 17:55:45.838308273 +0100
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@@ -0,0 +1,29 @@
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+module ChatBot where
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+
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+import qualified Daml.Trigger as T
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+import qualified User
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+import qualified DA.List.Total as List
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+import DA.Action (when)
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+import DA.Optional (whenSome)
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+
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+autoReply : T.Trigger ()
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+autoReply = T.Trigger
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+ { initialize = pure ()
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+ , updateState = \_ -> pure ()
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+ , rule = \p -> do
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+ message_contracts <- T.query @User.Message
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+ let messages = map snd message_contracts
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+ debug $ "Messages so far: " <> show (length messages)
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+ let lastMessage = List.maximumOn (.receivedAt) messages
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+ debug $ "Last message: " <> show lastMessage
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+ whenSome lastMessage $ \m ->
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+ when (m.receiver == p) $ do
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+ users <- T.query @User.User
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+ debug users
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+ let isSender = (\user -> user.username == m.sender)
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+ let replyTo = List.head $ filter (\(_, user) -> isSender user) users
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+ whenSome replyTo $ \(sender, _) ->
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+ T.dedupExercise sender (User.SendMessage p "Please, tell me more about that.")
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+ , registeredTemplates = T.AllInDar
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+ , heartbeat = None
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+ }
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diff --git create-daml-app/daml/NoOp.daml create-daml-app/daml/NoOp.daml
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--- create-daml-app/daml/NoOp.daml 1970-01-01 01:00:00.000000000 +0100
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+++ create-daml-app/daml/NoOp.daml 2022-01-12 17:55:45.838308273 +0100
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@@ -0,0 +1,13 @@
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+module NoOp where
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+
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+import qualified Daml.Trigger as T
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+
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+noOp : T.Trigger ()
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+noOp = T.Trigger with
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+ initialize = pure ()
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+ updateState = \_ -> pure ()
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+ rule = \_ -> do
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+ debug "triggered"
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+ pure ()
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+ registeredTemplates = T.AllInDar
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+ heartbeat = None
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diff --git create-daml-app/daml/User.daml create-daml-app/daml/User.daml
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--- create-daml-app/daml/User.daml 2022-01-12 17:55:49.754285111 +0100
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+++ create-daml-app/daml/User.daml 2022-01-12 17:55:45.838308273 +0100
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@@ -26,6 +25,17 @@
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archive self
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create this with following = userToFollow :: following
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-- FOLLOW_END
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+ -- SEND_BEGIN
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+ -- New definition for SendMessage
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+ nonconsuming choice SendMessage: ContractId Message with
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+ sender: Party
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+ content: Text
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+ controller sender
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+ do
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+ assertMsg "Designated user must follow you back to send a message" (elem sender following)
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+ now <- getTime
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+ create Message with sender, receiver = username, content, receivedAt = now
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+ -- SEND_END
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-- ALIAS_BEGIN
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template Alias with
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@@ -46,3 +56,13 @@
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archive self
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create this with alias = newAlias
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-- ALIAS_END
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+
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+-- MESSAGE_BEGIN
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+template Message with
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+ sender: Party
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+ receiver: Party
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+ content: Text
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+ receivedAt: Time
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+ where
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+ signatory sender, receiver
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+-- MESSAGE_END
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--- create-daml-app/daml.yaml.template 2022-01-26 17:29:37.149557361 +0100
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+++ create-daml-app/daml.yaml.template 2022-01-26 17:29:27.749276386 +0100
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@@ -2,10 +2,13 @@
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name: __PROJECT_NAME__
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version: 0.1.0
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source: daml
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+# trigger-dependencies-begin
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dependencies:
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- daml-prim
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- daml-stdlib
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- daml-script
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+- daml-trigger
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+# trigger-dependencies-end
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start-navigator: false
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codegen:
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js:
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diff --git create-daml-app/ui/src/components/MainView.tsx.template create-daml-app/ui/src/components/MainView.tsx.template
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--- create-daml-app/ui/src/components/MainView.tsx.template
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+++ create-daml-app/ui/src/components/MainView.tsx.template
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@@ -8,6 +8,10 @@
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import { publicContext, userContext } from './App';
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import UserList from './UserList';
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import PartyListEdit from './PartyListEdit';
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+// IMPORTS_BEGIN
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+import MessageEdit from './MessageEdit';
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+import MessageList from './MessageList';
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+// IMPORTS_END
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// USERS_BEGIN
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const MainView: React.FC = () => {
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@@ -88,6 +92,22 @@
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/>
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{/* USERLIST_END */}
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</Segment>
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+ {/* MESSAGES_SEGMENT_BEGIN */}
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+ <Segment>
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+ <Header as='h2'>
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+ <Icon name='pencil square' />
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+ <Header.Content>
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+ Messages
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+ <Header.Subheader>Send a message to a follower</Header.Subheader>
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+ </Header.Content>
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+ </Header>
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+ <MessageEdit
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+ followers={followers.map(follower => follower.username)}
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+ />
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+ <Divider />
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+ <MessageList />
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+ </Segment>
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+ {/* MESSAGES_SEGMENT_END */}
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</Grid.Column>
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</Grid.Row>
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</Grid>
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diff --git create-daml-app/ui/src/components/MessageEdit.tsx.template create-daml-app/ui/src/components/MessageEdit.tsx.template
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--- /dev/null
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+++ create-daml-app/ui/src/components/MessageEdit.tsx.template
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@@ -0,0 +1,70 @@
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+// Copyright (c) 2022 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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+// SPDX-License-Identifier: Apache-2.0
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+
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+// MESSAGEEDIT_BEGIN
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+import React from 'react'
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+import { Form, Button } from 'semantic-ui-react';
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+import { Party } from '@daml/types';
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+import { User } from '@daml.js/__PROJECT_NAME__';
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+import { userContext } from './App';
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+
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+type Props = {
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+ followers: Party[];
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+}
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+
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+/**
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+ * React component to edit a message to send to a follower.
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+ */
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+const MessageEdit: React.FC<Props> = ({followers}) => {
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+ const sender = userContext.useParty();
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+ const [receiver, setReceiver] = React.useState<string | undefined>();
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+ const [content, setContent] = React.useState("");
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+ const [isSubmitting, setIsSubmitting] = React.useState(false);
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+ const ledger = userContext.useLedger();
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+
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+ const submitMessage = async (event: React.FormEvent) => {
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+ try {
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+ event.preventDefault();
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+ if (receiver === undefined) {
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+ return;
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+ }
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+ setIsSubmitting(true);
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+ await ledger.exerciseByKey(User.User.SendMessage, receiver, {sender, content});
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+ setContent("");
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+ } catch (error) {
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+ alert(`Error sending message:\n${JSON.stringify(error)}`);
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+ } finally {
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+ setIsSubmitting(false);
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+ }
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+ };
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+
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+ return (
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+ <Form onSubmit={submitMessage}>
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+ <Form.Dropdown
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+ selection
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+ className='test-select-message-receiver'
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+ placeholder="Select a follower"
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+ options={followers.map(follower => ({ key: follower, text: follower, value: follower }))}
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+ value={receiver}
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+ onChange={event => setReceiver(event.currentTarget.textContent ?? undefined)}
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+ />
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+ <Form.Input
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+ className='test-select-message-content'
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+ placeholder="Write a message"
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+ value={content}
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+ onChange={event => setContent(event.currentTarget.value)}
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+ />
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+ <Button
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+ fluid
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+ className='test-select-message-send-button'
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+ type="submit"
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+ disabled={isSubmitting || receiver === undefined || content === ""}
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+ loading={isSubmitting}
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+ content="Send"
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+ />
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+ </Form>
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+ );
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+};
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+
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+export default MessageEdit;
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+// MESSAGEEDIT_END
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diff --git create-daml-app/ui/src/components/MessageList.tsx.template create-daml-app/ui/src/components/MessageList.tsx.template
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--- /dev/null
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+++ create-daml-app/ui/src/components/MessageList.tsx.template 2022-01-12 17:55:45.834308296 +0100
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@@ -0,0 +1,33 @@
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+// Copyright (c) 2022 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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+// SPDX-License-Identifier: Apache-2.0
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+
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+// MESSAGELIST_BEGIN
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+import React from 'react'
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+import { List, ListItem } from 'semantic-ui-react';
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+import { User } from '@daml.js/__PROJECT_NAME__';
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+import { userContext } from './App';
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+
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+/**
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+ * React component displaying the list of messages for the current user.
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+ */
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+const MessageList: React.FC = () => {
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+ const messagesResult = userContext.useStreamQueries(User.Message);
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+
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+ return (
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+ <List relaxed>
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+ {messagesResult.contracts.map(message => {
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+ const {sender, receiver, content} = message.payload;
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+ return (
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+ <ListItem
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+ className='test-select-message-item'
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+ key={message.contractId}>
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+ <strong>{sender} → {receiver}:</strong> {content}
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+ </ListItem>
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+ );
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+ })}
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+ </List>
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+ );
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+};
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+
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+export default MessageList;
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+// MESSAGELIST_END
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