mirror of
https://gitcode.com/JianFeeeee/homeagent-sdk.git
synced 2026-09-20 08:58:03 +00:00
458 lines
10 KiB
Go
458 lines
10 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"sort"
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"strconv"
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"strings"
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"sync"
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"time"
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sdk "gitcode.com/JianFeeeee/homeagent-sdk/sdk"
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"github.com/mmcdole/gofeed"
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)
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type FeedSub struct {
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URL string `json:"url"`
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Title string `json:"title"`
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AddedAt string `json:"added_at"`
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Interval int `json:"interval"`
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}
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type Plugin struct {
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name string
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sdk *sdk.PluginSDK
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client *http.Client
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fp *gofeed.Parser
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dataDir string
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mu sync.RWMutex
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feeds []FeedSub
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seenGUIDs map[string]bool
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stopCh chan struct{}
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wg sync.WaitGroup
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pollTicker *time.Ticker
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}
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func NewPlugin(name string, config map[string]interface{}) (sdk.Plugin, error) {
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return &Plugin{name: name}, nil
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}
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func (p *Plugin) Name() string { return p.name }
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func readCfg[T string | int64 | float64](s sdk.SettingsAPI, key string, fallback T) T {
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v, err := s.Get(key)
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if err == nil && v != nil {
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if sv, ok := v.(string); ok && sv != "" {
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switch any(fallback).(type) {
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case string:
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return any(sv).(T)
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case int64:
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if n, err := strconv.ParseInt(sv, 10, 64); err == nil {
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return any(n).(T)
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}
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case float64:
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if n, err := strconv.ParseFloat(sv, 64); err == nil {
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return any(n).(T)
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}
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}
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}
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}
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v2, err2 := s.GetCore("plugin." + "rss" + "." + key)
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if err2 == nil && v2 != nil {
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if sv, ok := v2.(string); ok && sv != "" {
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switch any(fallback).(type) {
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case string:
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return any(sv).(T)
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case int64:
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if n, err := strconv.ParseInt(sv, 10, 64); err == nil {
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return any(n).(T)
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}
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case float64:
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if n, err := strconv.ParseFloat(sv, 64); err == nil {
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return any(n).(T)
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}
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}
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}
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}
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return fallback
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}
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func readArg[T string | int64 | float64](args map[string]interface{}, key string, fallback T) T {
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v, ok := args[key]
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if !ok || v == nil {
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return fallback
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}
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switch any(fallback).(type) {
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case string:
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if s, ok := v.(string); ok {
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return any(s).(T)
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}
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case int64:
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switch n := v.(type) {
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case float64:
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return any(int64(n)).(T)
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case int64:
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return any(n).(T)
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case string:
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if i, err := strconv.ParseInt(n, 10, 64); err == nil {
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return any(i).(T)
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}
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}
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case float64:
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switch n := v.(type) {
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case float64:
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return any(n).(T)
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case int64:
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return any(float64(n)).(T)
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case string:
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if f, err := strconv.ParseFloat(n, 64); err == nil {
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return any(f).(T)
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}
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}
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}
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return fallback
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}
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func (p *Plugin) Start(s *sdk.PluginSDK) error {
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p.sdk = s
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p.client = &http.Client{Timeout: 30 * time.Second}
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p.fp = gofeed.NewParser()
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p.stopCh = make(chan struct{})
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p.seenGUIDs = make(map[string]bool)
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p.feeds = []FeedSub{}
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dataHome := os.Getenv("HOME")
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if dataHome == "" {
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dataHome = "/tmp"
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}
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p.dataDir = filepath.Join(dataHome, ".homeagent", "rss")
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os.MkdirAll(p.dataDir, 0755)
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p.loadData()
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s.Settings().RegisterDef(sdk.ConfigDef{
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Key: "plugin.rss.poll_interval", Default: "30", Type: "string",
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DisplayName: "Poll Interval", Description: "Default polling interval in minutes (default: 30)",
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Category: "rss",
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})
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tp := p.name + "_"
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s.RegisterTool(tp+"subscribe", sdk.ToolDef{
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Name: tp + "subscribe", Description: "Subscribe to an RSS/Atom feed URL",
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Parameters: map[string]interface{}{
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"type": "object",
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"properties": map[string]interface{}{
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"url": map[string]interface{}{"type": "string", "description": "Feed URL"},
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"interval": map[string]interface{}{"type": "integer", "description": "Poll interval in minutes (default: 30, minimum: 5)"},
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},
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"required": []string{"url"},
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},
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}, p.handleSubscribe)
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s.RegisterTool(tp+"unsubscribe", sdk.ToolDef{
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Name: tp + "unsubscribe", Description: "Unsubscribe from a feed",
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Parameters: map[string]interface{}{
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"type": "object",
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"properties": map[string]interface{}{
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"url": map[string]interface{}{"type": "string", "description": "Feed URL to unsubscribe"},
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},
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"required": []string{"url"},
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},
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}, p.handleUnsubscribe)
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s.RegisterTool(tp+"list", sdk.ToolDef{
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Name: tp + "list", Description: "List all subscribed feeds",
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Parameters: map[string]interface{}{
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"type": "object",
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"properties": map[string]interface{}{},
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},
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}, p.handleList)
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s.RegisterTool(tp+"check_now", sdk.ToolDef{
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Name: tp + "check_now", Description: "Manually check all feeds for new articles now",
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Parameters: map[string]interface{}{
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"type": "object",
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"properties": map[string]interface{}{},
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},
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}, p.handleCheckNow)
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pollMin := int(readCfg(s.Settings(), "poll_interval", int64(30)))
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if pollMin < 5 {
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pollMin = 5
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}
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p.pollTicker = time.NewTicker(time.Duration(pollMin) * time.Minute)
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p.wg.Add(1)
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go p.pollLoop()
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fmt.Printf("[%s] started (%d feeds, poll every %dm)\n", p.name, len(p.feeds), pollMin)
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return nil
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}
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func (p *Plugin) Stop() error {
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close(p.stopCh)
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p.pollTicker.Stop()
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p.wg.Wait()
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p.saveData()
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fmt.Printf("[%s] stopped\n", p.name)
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return nil
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}
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func (p *Plugin) pollLoop() {
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defer p.wg.Done()
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p.checkAllFeeds()
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for {
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select {
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case <-p.pollTicker.C:
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p.checkAllFeeds()
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case <-p.stopCh:
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return
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}
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}
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}
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func (p *Plugin) checkAllFeeds() {
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p.mu.RLock()
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feeds := make([]FeedSub, len(p.feeds))
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copy(feeds, p.feeds)
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p.mu.RUnlock()
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for _, feed := range feeds {
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select {
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case <-p.stopCh:
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return
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default:
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}
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p.checkFeed(feed)
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}
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}
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func (p *Plugin) checkFeed(sub FeedSub) {
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parsed, err := p.fp.ParseURL(sub.URL)
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if err != nil {
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return
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}
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title := parsed.Title
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if title == "" {
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title = sub.URL
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}
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var newArticles []*gofeed.Item
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for _, item := range parsed.Items {
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guid := item.GUID
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if guid == "" {
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guid = item.Link
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}
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if guid == "" {
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continue
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}
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guid = sub.URL + "|" + guid
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p.mu.RLock()
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seen := p.seenGUIDs[guid]
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p.mu.RUnlock()
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if !seen {
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newArticles = append(newArticles, item)
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}
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}
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if len(newArticles) == 0 {
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return
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}
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var lines []string
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lines = append(lines, fmt.Sprintf("📡 %s (%s) — %d 篇新文章:", title, sub.URL, len(newArticles)))
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for _, item := range newArticles {
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pubDate := ""
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if item.PublishedParsed != nil {
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pubDate = item.PublishedParsed.Format("01-02 15:04")
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}
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line := fmt.Sprintf(" • %s", item.Title)
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if pubDate != "" {
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line += fmt.Sprintf(" [%s]", pubDate)
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}
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if item.Link != "" {
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line += "\n " + item.Link
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}
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lines = append(lines, line)
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}
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p.sdk.InjectInterruptText("rss", "rss", strings.Join(lines, "\n"))
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p.mu.Lock()
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for _, item := range newArticles {
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guid := item.GUID
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if guid == "" {
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guid = item.Link
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}
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if guid == "" {
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continue
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}
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p.seenGUIDs[sub.URL+"|"+guid] = true
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}
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p.mu.Unlock()
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p.saveData()
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}
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func (p *Plugin) handleSubscribe(args map[string]interface{}) (interface{}, error) {
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url := readArg(args, "url", "")
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if url == "" {
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return map[string]interface{}{"isError": true, "content": "URL is required"}, nil
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}
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p.mu.RLock()
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for _, f := range p.feeds {
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if f.URL == url {
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p.mu.RUnlock()
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return map[string]interface{}{"isError": true, "content": "Already subscribed to: " + url}, nil
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}
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}
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p.mu.RUnlock()
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interval := int(readArg(args, "interval", int64(30)))
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if interval < 5 {
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interval = 5
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}
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parsed, err := p.fp.ParseURL(url)
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if err != nil {
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return map[string]interface{}{"isError": true, "content": "Failed to parse feed: " + err.Error()}, nil
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}
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feedTitle := parsed.Title
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if feedTitle == "" {
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feedTitle = url
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}
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sub := FeedSub{
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URL: url,
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Title: feedTitle,
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AddedAt: time.Now().Format("2006-01-02 15:04"),
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Interval: interval,
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}
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guidCount := 0
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for _, item := range parsed.Items {
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guid := item.GUID
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if guid == "" {
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guid = item.Link
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}
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if guid == "" {
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continue
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}
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p.seenGUIDs[url+"|"+guid] = true
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guidCount++
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}
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p.mu.Lock()
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p.feeds = append(p.feeds, sub)
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p.mu.Unlock()
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p.saveData()
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return map[string]interface{}{
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"content": fmt.Sprintf("Subscribed to: %s\nTitle: %s\nArticles found: %d\nPoll interval: %d min", url, feedTitle, guidCount, interval),
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}, nil
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}
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func (p *Plugin) handleUnsubscribe(args map[string]interface{}) (interface{}, error) {
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url := readArg(args, "url", "")
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if url == "" {
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return map[string]interface{}{"isError": true, "content": "URL is required"}, nil
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}
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p.mu.Lock()
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found := false
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for i, f := range p.feeds {
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if f.URL == url {
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p.feeds = append(p.feeds[:i], p.feeds[i+1:]...)
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found = true
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break
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}
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}
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if !found {
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p.mu.Unlock()
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return map[string]interface{}{"isError": true, "content": "Not subscribed to: " + url}, nil
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}
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for guid := range p.seenGUIDs {
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if strings.HasPrefix(guid, url+"|") {
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delete(p.seenGUIDs, guid)
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}
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}
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p.mu.Unlock()
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p.saveData()
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return map[string]interface{}{"content": "Unsubscribed: " + url}, nil
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}
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func (p *Plugin) handleList(args map[string]interface{}) (interface{}, error) {
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p.mu.RLock()
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defer p.mu.RUnlock()
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if len(p.feeds) == 0 {
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return map[string]interface{}{"content": "No subscriptions. Use rss_subscribe to add one."}, nil
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}
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sort.Slice(p.feeds, func(i, j int) bool {
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return p.feeds[i].Title < p.feeds[j].Title
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})
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var lines []string
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lines = append(lines, fmt.Sprintf("📡 Subscriptions (%d):", len(p.feeds)))
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for _, f := range p.feeds {
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lines = append(lines, fmt.Sprintf(" • %s\n %s (every %dm, added %s)", f.Title, f.URL, f.Interval, f.AddedAt))
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}
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return map[string]interface{}{"content": strings.Join(lines, "\n")}, nil
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}
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func (p *Plugin) handleCheckNow(args map[string]interface{}) (interface{}, error) {
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go p.checkAllFeeds()
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return map[string]interface{}{"content": "Checking all feeds for updates..."}, nil
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}
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func (p *Plugin) dataFile() string {
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return filepath.Join(p.dataDir, "feeds.json")
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}
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func (p *Plugin) loadData() {
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b, err := os.ReadFile(p.dataFile())
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if err != nil {
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return
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}
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var data struct {
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Feeds []FeedSub `json:"feeds"`
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SeenGUIDs map[string]bool `json:"seen"`
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}
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if json.Unmarshal(b, &data) != nil {
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return
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}
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if data.Feeds != nil {
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p.feeds = data.Feeds
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}
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if data.SeenGUIDs != nil {
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p.seenGUIDs = data.SeenGUIDs
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}
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}
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func (p *Plugin) saveData() {
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p.mu.RLock()
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defer p.mu.RUnlock()
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data := struct {
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Feeds []FeedSub `json:"feeds"`
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SeenGUIDs map[string]bool `json:"seen"`
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}{
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Feeds: p.feeds,
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SeenGUIDs: p.seenGUIDs,
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}
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b, _ := json.MarshalIndent(data, "", " ")
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os.WriteFile(p.dataFile(), b, 0644)
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}
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