update README with DDD Event flow

This commit is contained in:
appflowy 2021-06-20 23:35:21 +08:00
parent 7c4355ae7f
commit 2053cd7f05
3 changed files with 61 additions and 18 deletions

3
.gitignore vendored
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@ -8,3 +8,6 @@ Cargo.lock
# These are backup files generated by rustfmt # These are backup files generated by rustfmt
**/*.rs.bk **/*.rs.bk
/rust-lib/flowy-ast
/rust-lib/flowy-derive

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@ -2,6 +2,7 @@
<module type="CPP_MODULE" version="4"> <module type="CPP_MODULE" version="4">
<component name="NewModuleRootManager"> <component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$"> <content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/rust-lib/flowy-ast/src" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/.pub" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/.pub" />
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/.dart_tool" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/.dart_tool" />
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/build" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/af_protobuf/build" />
@ -26,6 +27,7 @@
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/.dart_tool" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/.dart_tool" />
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/.pub" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/.pub" />
<excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/build" /> <excludeFolder url="file://$MODULE_DIR$/app_flowy/packages/flowy_protobuf/build" />
<excludeFolder url="file://$MODULE_DIR$/rust-lib/target" />
</content> </content>
<orderEntry type="inheritedJdk" /> <orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" /> <orderEntry type="sourceFolder" forTests="false" />

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@ -167,27 +167,65 @@ The AppFlowy Client consists of lots of modules. Each of them follows the DDD de
to communication with other module. to communication with other module.
``` ```
Client
┌──────────────────────────────────────────────────────────────────────────────────────────────────────┐ Client
│ │ ┌──────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ User Editor Setting │ │ │
│ ┌───────────────────┐ ┌───────────────────┐ ┌───────────────────┐ │ │ Module A Module B Module C │
│ │ presentation │ Dependency │ presentation │ │ presentation │ │ │ ┌───────────────────┐ ┌───────────────────┐ ┌───────────────────┐ │
│ │ │ Injection │ │ │ │ │ │ │ presentation │ Dependency │ presentation │ │ presentation │ │
│ │ application ├───────────────▶│ application │ │ application │ │ │ │ │ Injection │ │ │ │ │
│ │ │◀───────────────│ │ │ │ ◉ ◉ ◉ │ │ │ application ├───────────────▶│ application │ │ application │ │
│ │ domain │ │ domain │ │ domain │ │ │ │ │◀───────────────│ │ │ │ ◉ ◉ ◉ │
│ │ │ │ │ │ │ │ │ │ domain │ │ domain │ │ domain │ │
│ │ Infrastructure │ │ Infrastructure │ │ Infrastructure │ │ │ │ │ │ │ │ │ │
│ └───────────────────┘ └───────────────────┘ └───────────────────┘ │ │ │ Infrastructure │ │ Infrastructure │ │ Infrastructure │ │
│ ▲ │ │ │ └───────────────────┘ └───────────────────┘ └───────────────────┘ │
│ │ Dependency Injection │ │ │ ▲ │ │
│ └─────────────────────────────────────────────────────────────┘ │ │ │ Dependency Injection │ │
│ │ │ └─────────────────────────────────────────────────────────────┘ │
└──────────────────────────────────────────────────────────────────────────────────────────────────────┘ │ │
└──────────────────────────────────────────────────────────────────────────────────────────────────────┘
``` ```
Let's dig it how can I construct each module. I take `User` module for demonstration. Let's dig it how can I construct each module. I take `User` module for demonstration.
```
presentation Application domain Infrastructure
│ │
7 Data Model
┌──────────────────────────────┐ │ ┌────────────────────────┐ │ ┌───────────────────────────┐
│ │ │ │ ┌─────────────┐ │ ┌─────▶│ Repository implementation │
▼ Bloc │ 2.1 │ │ Aggregate │ │ │ │ └───────────────────────────┘
┌─────────────┐ │ ┌─────────────────┴─────┐ │ └─────────────┘ │ │ │ 4
│ Widget │ │ ┌────────┐ ┌────────┐ │ │ │ ┌────────┐ │ │ │ ▼
└─────────────┘ │ │ │ Event │ │ State │ │───┬────▶│ │ Entity │ │ │ ┌─────────────────────┐
│ │ └────────┘ └────────┘ │ │ │ │ └────────┘ │ │ │ │ Unit of Work │
│ │ └──────▲────────────────┘ │ │ ┌─────────────────┐ │ │ └─────────────────────┘
│ │ │ │ │ │ Value Object │ │ │ │ │ 5
└──────────┼────────┘ │ │ └─────────────────┘ │ │ ▼
1 │ │ └────────────────────────┘ │ │ ┌─────────────────────┐
│ │ ◈ │ │ Persistence Service │
│ │ │ contain │ │ └─────────────────────┘
│ │ ┌────────────────────┐ │
│ │ │ Service │ │ │
│ │ └────────────────────┘ │
│ 2.2 │ │
│ │ ┌───────────────────────┐ │
│ └───▶│ Repository interface │ │ │
│ └───────────────────────┘ │
│ │ │ │
│ │ 3 │
│ └───────────────┼──┘
```
1. Send event using the bloc. The bloc does not know about the `Widget`. It should communicate through events.
2. The bloc dispatching the event to the appropriate handler of the `Domain`
1. Conversion between, DTO (Data Transfer Object) to domain model and Domain Model to DTO.
2. Handling the business logic using the repository interface
3. Repository are used to store the domain model data and calls respective service to finish the jobs.
# Event-Driven # Event-Driven