119 lines
2.6 KiB
Go
119 lines
2.6 KiB
Go
// Package model 提供播客和剧集的数据模型
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package model
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import (
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"context"
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"fmt"
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"net/http"
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"net/url"
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"time"
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"github.com/mmcdole/gofeed"
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"github.com/sirupsen/logrus"
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)
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// Podcast 表示一个播客及其剧集
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type Podcast struct {
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// 播客的唯一标识符
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GUID string `json:"guid,omitempty"`
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// 播客的URL
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URL string `json:"url,omitempty"`
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// 播客的链接
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Link string `json:"link,omitempty"`
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// 播客的标题
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Title string `json:"title,omitempty"`
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// 播客的描述
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Description string `json:"description,omitempty"`
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// 播客的图片URL
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Image string `json:"image,omitempty"`
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// 版权信息
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Copyright string `json:"copyright,omitempty"`
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// 语言
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Language string `json:"language,omitempty"`
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// 是否锁定，表示此订阅是否可以被导入到其他平台
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Locked *Locked `json:"locked,omitempty"`
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// 资金支持信息
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Funding []Funding `json:"funding,omitempty"`
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// 人员信息
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Persons []Person `json:"persons,omitempty"`
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// 价值交换信息
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Value []Value `json:"value,omitempty"`
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// 阻止标签
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Block []Block `json:"block,omitempty"`
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// 剧集列表
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Episodes []*gofeed.Item `json:"episodes,omitempty"`
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// 远程项目
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RemoteItems []RemoteItem `json:"remote_items,omitempty"`
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// 媒体类型
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Medium Medium `json:"medium,omitempty"`
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}
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// LoadFeed 从URL加载播客RSS订阅，timeout为超时时间，如果timeout<=0则使用默认值30秒
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func LoadFeed(feedURL, proxy string, timeout time.Duration) (*Podcast, error) {
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if timeout <= 0 {
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timeout = 30 * time.Second
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}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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fp := gofeed.NewParser()
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fp.Client = &http.Client{}
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// setup proxy
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if proxy != "" {
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proxyURL, err := url.Parse(proxy)
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if err != nil {
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logrus.WithError(err).Errorf("Failed to parse proxy url: %s", proxy)
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return nil, err
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}
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fp.Client = &http.Client{
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Transport: &http.Transport{
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Proxy: http.ProxyURL(proxyURL),
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},
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}
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logrus.Infof("Using proxy: %s", proxy)
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}
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feed, err := fp.ParseURLWithContext(feedURL, ctx)
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if err != nil {
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return nil, fmt.Errorf("解析播客订阅失败: %w", err)
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}
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imageURL := ""
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if feed.Image != nil {
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imageURL = feed.Image.URL
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}
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podcast := &Podcast{
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Title: feed.Title,
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Description: feed.Description,
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Link: feed.Link,
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Image: imageURL,
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Copyright: feed.Copyright,
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Language: feed.Language,
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Episodes: feed.Items,
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Funding: make([]Funding, 0),
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Persons: make([]Person, 0),
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Value: make([]Value, 0),
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Block: make([]Block, 0),
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Medium: MediumPodcast,
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}
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return podcast, nil
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}
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