![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

### OpenAPI

**FastAPI** generuje "schemat" z całym Twoim API przy użyciu standardu **OpenAPI** służącego do definiowania API.

#### Schema

"Schema" jest definicją lub opisem czegoś. Nie jest to kod, który go implementuje, ale po prostu abstrakcyjny opis.

	// TODO(Monkeyanator) once we stop using Helm templating remove this.
	ManifestsPath string
	// Generate determines whether we should just generate the webhooks without applying. This
	// applying is not done here, but we are looser with checks when doing generate.
	Generate bool
	// Overwrite removes analysis checks around existing webhooks.
	Overwrite bool

<img src="/img/tutorial/generate-clients/image01.png">

You can see those schemas because they were declared with the models in the app.

That information is available in the app's **OpenAPI schema**, and then shown in the API docs (by Swagger UI).

And that same information from the models that is included in OpenAPI is what can be used to **generate the client code**.

### Generate a TypeScript Client

frontend-app@1.0.0 generate-client /home/user/code/frontend-app
> openapi-ts --input http://localhost:8000/openapi.json --output ./src/client --client axios
```

</div>

👈 📋 🔜 🏗 📟 `./src/client` &amp; 🔜 ⚙️ `axios` (🕸 🇺🇸🔍 🗃) 🔘.

### 🔄 👅 👩‍💻 📟

🔜 👆 💪 🗄 &amp; ⚙️ 👩‍💻 📟, ⚫️ 💪 👀 💖 👉, 👀 👈 👆 🤚 ✍ 👩‍🔬:

<img src="/img/tutorial/generate-clients/image02.png">

👆 🔜 🤚 ✍ 🚀 📨:

frontend-app@1.0.0 generate-client /home/user/code/frontend-app
> openapi-ts --input http://localhost:8000/openapi.json --output ./src/client --client axios
```

</div>

此命令将在 `./src/client` 中生成代码，并将在其内部使用 `axios`（前端HTTP库）。

### 尝试客户端代码

现在您可以导入并使用客户端代码，它可能看起来像这样，请注意，您可以为这些方法使用自动补全：

<img src="/img/tutorial/generate-clients/image02.png">

您还将自动补全要发送的数据：

<img src="/img/tutorial/generate-clients/image03.png">

  "description": "",
  "main": "index.js",
  "scripts": {
    "generate-client": "openapi-ts --input http://localhost:8000/openapi.json --output ./src/client --client axios"
  },
  "author": "",
  "license": "",
  "devDependencies": {
    "@hey-api/openapi-ts": "^0.27.38",
    "typescript": "^4.6.2"
  }
}
```

Nachdem Sie das NPM-Skript `generate-client` dort stehen haben, können Sie es ausführen mit:

Vous êtes libres d'utiliser chaque opération (méthode HTTP) comme vous le désirez.

**FastAPI** n'impose pas de sens spécifique à chacune d'elle.

Les informations qui sont présentées ici forment une directive générale, pas des obligations.

Par exemple, quand l'on utilise **GraphQL**, toutes les actions sont effectuées en utilisant uniquement des opérations `POST`.

///

### Étape 4 : définir la **fonction de chemin**.

                Customize the function used to generate unique IDs for the *path
                operations* shown in the generated OpenAPI.

                This is particularly useful when automatically generating clients or
                SDKs for your API.

                Read more about it in the
                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).

}

// RelationshipFKName generate fk name for relation
func (ns NamingStrategy) RelationshipFKName(rel Relationship) string {
	return ns.formatName("fk", rel.Schema.Table, ns.toDBName(rel.Name))
}

// CheckerName generate checker name
func (ns NamingStrategy) CheckerName(table, column string) string {
	return ns.formatName("chk", table, column)
}

// IndexName generate index name

                Customize the function used to generate unique IDs for the *path
                operations* shown in the generated OpenAPI.

                This is particularly useful when automatically generating clients or
                SDKs for your API.

                Read more about it in the
                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).