12.4. Bind Body

package main

/*
bind根据请求中Content-Type Header来决定bind解析数据的方法，常用json和form两种。

例如存在Request Header Content-Type: application/json，Bind就会使用Json解析。

如果请求方法是Get或Head，使用Uri参数绑定。
*/

import (
    "encoding/xml"
    "errors"
    "github.com/eudore/eudore"
    "github.com/eudore/eudore/component/httptest"
    "io"
)

type (
    putFileInfo struct {
        Name         string `json:"name" alias:"name"`
        Type         string `json:"type" alias:"type"`
        Size         int    `json:"size" alias:"size"`
        LastModified int64  `json:"lastModified" alias:"lastModified"`
    }
    Email struct {
        Where string `xml:"where,attr"`
        Addr  string
    }
    xmlResult struct {
        XMLName     xml.Name `xml:"Person"`
        Name        string   `xml:"FullName"`
        Phone       string
        Email       []Email
        Groups      []string `xml:"Group>Value"`
        City, State string
    }
)

func main() {
    app := eudore.NewApp()
    // 上传文件信息
    app.PutFunc("/file/data/:path", func(ctx eudore.Context) {
        var info putFileInfo
        ctx.Bind(&info)
        ctx.RenderWith(&info, eudore.RenderIndentJSON)
    })
    app.PutFunc("/person/:path", func(ctx eudore.Context) {
        var person xmlResult
        ctx.Bind(&person)
        ctx.Debugf("%#v", person)
    })
    app.PutFunc("/body", func(ctx eudore.Context) {
        ctx.Debugf("body: %s", ctx.Body())
        var data map[string]interface{}
        ctx.Bind(&data)
    })
    app.PutFunc("/with", func(ctx eudore.Context) {
        ctx.Debugf("body: %s", ctx.Body())
        var data map[string]interface{}
        ctx.BindWith(&data, func(eudore.Context, io.Reader, interface{}) error {
            return errors.New("test bind with error")
        })
    })

    client := httptest.NewClient(app)
    client.NewRequest("PUT", "/file/data/2").WithBodyString(`{"name": "eudore","type": "file", "size":720,"lastModified":1257894000}`).Do()
    client.NewRequest("PUT", "/file/data/2").WithHeaderValue("Content-Type", "application/json").WithBodyString(`{"name": "eudore","type": "file", "size":720,"lastModified":1257894000}`).Do().CheckStatus(200).Out()
    client.NewRequest("PUT", "/person/2").WithHeaderValue("Content-Type", "application/xml").WithBodyString(`
        <Person>
            <FullName>Grace R. Emlin</FullName>
            <Company>Example Inc.</Company>
            <Email where="home">
                <Addr>gre@example.com</Addr>
            </Email>
            <Email where='work'>
                <Addr>gre@work.com</Addr>
            </Email>
            <Group>
                <Value>Friends</Value>
                <Value>Squash</Value>
            </Group>
            <City>Hanga Roa</City>
            <State>Easter Island</State>
        </Person>
    `).Do().CheckStatus(200).Out()
    client.NewRequest("PUT", "/body").WithBodyString(`{"name": "eudore","type": "file", "size":720,"lastModified":1257894000}`).Do()
    client.NewRequest("PUT", "/with").WithBodyString(`{"name": "eudore","type": "file", "size":720,"lastModified":1257894000}`).Do()

    app.Listen(":8088")
    // app.CancelFunc()
    app.Run()
}

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