125 lines
3.4 KiB
Go
125 lines
3.4 KiB
Go
package cmd
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import (
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"encoding/json"
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"fmt"
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"log"
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"time"
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"github.com/Jaculabilis/intake/core"
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"github.com/spf13/cobra"
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)
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var actionExecuteCmd = &cobra.Command{
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Use: "execute",
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Aliases: []string{"exec"},
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Short: "Run a source action for an item",
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Long: fmt.Sprintf(`Execute a source action for an item.
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The "fetch" action is special and does not execute for any specific item.
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Use "intake source fetch" to run the fetch action.
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In a dry run, the item will be printed in the chosen format and not updated.
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%s`, makeFormatHelpText()),
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Run: func(cmd *cobra.Command, args []string) {
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actionExecute()
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},
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}
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var actionExecuteSource string
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var actionExecuteAction string
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var actionExecuteItem string
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var actionExecuteFormat string
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var actionExecuteDryRun bool
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var actionExecuteDiff bool
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func init() {
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actionCmd.AddCommand(actionExecuteCmd)
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actionExecuteCmd.PersistentFlags().StringVarP(&actionExecuteSource, "source", "s", "", "Source of the item")
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actionExecuteCmd.MarkFlagRequired("source")
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actionExecuteCmd.PersistentFlags().StringVarP(&actionExecuteItem, "item", "i", "", "Item to run action on")
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actionExecuteCmd.MarkFlagRequired("item")
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actionExecuteCmd.PersistentFlags().StringVarP(&actionExecuteAction, "action", "a", "", "Action to run")
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actionExecuteCmd.MarkFlagRequired("action")
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actionExecuteCmd.Flags().StringVarP(&actionExecuteFormat, "format", "f", "headlines", "Feed format for returned items.")
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actionExecuteCmd.Flags().BoolVar(&actionExecuteDryRun, "dry-run", false, "Instead of updating the item, print it")
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actionExecuteCmd.Flags().BoolVar(&actionExecuteDiff, "diff", false, "Show which fields of the item changed")
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}
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func actionExecute() {
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formatter := formatAs(actionExecuteFormat)
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if actionExecuteSource == "" {
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log.Fatal("error: --source is empty")
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}
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if actionExecuteAction == "" {
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log.Fatal("error: --action is empty")
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}
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if actionExecuteItem == "" {
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log.Fatal("error: --item is empty")
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}
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db := openAndMigrateDb()
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argv, err := core.GetArgvForAction(db, actionExecuteSource, actionExecuteAction)
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if err != nil {
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log.Fatalf("error: failed to get action: %v", err)
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}
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item, err := core.GetItem(db, actionExecuteSource, actionExecuteItem)
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if err != nil {
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log.Fatalf("error: failed to get item: %v", err)
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}
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itemJson, err := json.Marshal(item)
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if err != nil {
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log.Fatalf("error: failed to serialize item: %v", err)
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}
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res, err := core.Execute(actionExecuteSource, argv, nil, string(itemJson), time.Minute)
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if err != nil {
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log.Fatalf("error: failed to execute action: %v", err)
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}
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if len(res) != 1 {
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log.Fatalf("error: expected action to produce exactly one item, got %d", len(res))
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}
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newItem := res[0]
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core.BackfillItem(&newItem, &item)
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if actionExecuteDiff {
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if item.Title != newItem.Title {
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log.Printf("title: %s => %s", item.Title, newItem.Title)
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}
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if item.Author != newItem.Author {
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log.Printf("author: %s => %s", item.Author, newItem.Author)
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}
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if item.Body != newItem.Body {
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log.Printf("body: %s => %s", item.Body, newItem.Body)
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}
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if item.Link != newItem.Link {
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log.Printf("link: %s => %s", item.Link, newItem.Link)
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}
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if item.Time != newItem.Time {
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log.Printf("time: %d => %d", item.Time, newItem.Time)
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}
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if item == newItem {
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log.Printf("no changes\n")
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}
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}
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if actionExecuteDryRun {
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fmt.Println(formatter(res[0]))
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return
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}
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if err = core.UpdateItems(db, []core.Item{newItem}); err != nil {
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log.Fatalf("error: failed to update item: %v", err)
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}
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}
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