https://github.com/rosbit/list-fetcher

utility to fetch list page by page and change the results to an iterator. 翻页数据转化为迭代器的神器。
https://github.com/rosbit/list-fetcher

golang iterator list-fetcher page-fetcher

Last synced: about 7 hours ago
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utility to fetch list page by page and change the results to an iterator. 翻页数据转化为迭代器的神器。

• Host: GitHub
• URL: https://github.com/rosbit/list-fetcher
• Owner: rosbit
• License: mit
• Created: 2022-09-29T06:21:28.000Z (about 2 years ago)
• Default Branch: master
• Last Pushed: 2022-10-09T09:55:51.000Z (about 2 years ago)
• Last Synced: 2024-06-21T11:03:47.557Z (5 months ago)
• Topics: golang, iterator, list-fetcher, page-fetcher
• Language: Go
• Homepage:
• Size: 6.84 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# list-fetcher, a utility to fetch list page by page and change the results to an iterator

## Interface to implement

```go

import (

	"encoding/json"

)

type PageFetcher interface {

    GetNextPage() (total int64, list []json.RawMessage, err error)

    AdjustPage(list []json.RawMessage)

    HasMore() bool // called if total is 0

    ErrorOccurrs(err error)

}

```

### Utility functions

```go

func FetchList(pf PageFetcher) (total int64, it <-chan json.RawMessage, err error) {

    //

}

func Dump(w io.Writer, it <-chan json.RawMessage) {

    //

}

func DumpJSON(w io.Writer, it <-chan json.RawMessage) {

    //

}

```

### Usage

See [list-fetcher_test.go](list-fetcher_test.go)