cron passes main woo

src/cmd/cron/main.go

@@ -1,9 +1,16 @@
 package cron
 
 import (
+	"bytes"
 	"context"
 	"fmt"
+	"io"
+	"net/http"
+	"net/url"
 	"show-rss/src/feeds"
+	"show-rss/src/webhooks"
+	"strings"
+	"text/template"
 	"time"
 )
 
@@ -44,7 +51,88 @@ func one(ctx context.Context, feed feeds.Feed) error {
 		return err
 	}
 
-	return fmt.Errorf("what do with %+v", items)
+	for _, item := range items {
+		if err := oneItem(ctx, feed, item); err != nil {
+			return err
+		}
+	}
 
 	return feed.Executed(ctx)
 }
+
+func oneItem(ctx context.Context, feed feeds.Feed, item feeds.Item) error {
+	type Arg struct {
+		Feed feeds.Feed
+		Item feeds.Item
+	}
+	arg := Arg{
+		Feed: feed,
+		Item: item,
+	}
+
+	method, err := render(feed.Version.WebhookMethod, arg)
+	if err != nil {
+		return err
+	}
+
+	wurl, err := render(feed.Version.WebhookURL, arg)
+	if err != nil {
+		return err
+	}
+
+	body, err := render(feed.Version.WebhookBody, arg)
+	if err != nil {
+		return err
+	}
+
+	var user *url.Userinfo
+	if u, _ := url.Parse(wurl); u.User != nil {
+		user = u.User
+		u.User = &url.Userinfo{}
+		wurl = u.String()
+	}
+
+	if did, err := webhooks.Did(ctx, method, wurl, body); err != nil || did {
+		return err
+	}
+
+	req, err := http.NewRequest(method, wurl, strings.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req = req.WithContext(ctx)
+	if user != nil {
+		u := user.Username()
+		p, _ := user.Password()
+		req.SetBasicAuth(u, p)
+	}
+
+	c := http.Client{
+		Timeout:   time.Minute,
+		Transport: &http.Transport{DisableKeepAlives: true},
+	}
+	resp, err := c.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	defer io.Copy(io.Discard, resp.Body)
+
+	if resp.StatusCode > 204 {
+		b, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("failed %s %s w/ %s: (%d) %s", method, wurl, body, resp.StatusCode, b)
+	}
+
+	return webhooks.Record(ctx, method, wurl, body)
+}
+
+func render(text string, arg any) (string, error) {
+	tmpl, err := template.New("render").Parse(text)
+	if err != nil {
+		return "", err
+	}
+
+	b := bytes.NewBuffer(nil)
+	err = tmpl.Execute(b, arg)
+	return string(b.Bytes()), err
+}

src/cmd/cron/main_test.go

@@ -10,7 +10,6 @@ import (
 	"show-rss/src/cmd/cron"
 	"show-rss/src/db"
 	"show-rss/src/feeds"
-	"slices"
 	"strconv"
 	"testing"
 	"time"
@@ -31,11 +30,14 @@ func TestOne(t *testing.T) {
 				Addr: ":10000",
 				Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 					gets = append(gets, r.URL.String())
-					t.Logf("serving fetch %s", gets[len(gets)-1])
+					rb, _ := io.ReadAll(r.Body)
+					t.Logf("serving fetch %s (%s)", gets[len(gets)-1], rb)
 
 					switch r.URL.Query().Get("idx") {
 					case "0":
 					case "1":
+					case "10":
+					case "11":
 					default:
 						http.NotFound(w, r)
 					}
@@ -47,8 +49,7 @@ func TestOne(t *testing.T) {
 			go s.ListenAndServe()
 			t.Cleanup(func() { s.Close() })
 			t.Cleanup(func() {
-				slices.Sort(gets)
-				if len(gets) != 1+2+2+2 { // healthcheck, id=0+id=1 for each of 2 unrecycled ctx, id=0+id=1 for one across shared ctx
+				if len(gets) != 1+2+2*2 { // healthcheck, (id=0,1) for feeds, 3 matching webhooks deduped down to 2
 					t.Errorf("didn't call urls: %+v", gets)
 				}
 			})
@@ -65,7 +66,7 @@ func TestOne(t *testing.T) {
 			ctx := db.Test(t, ctx)
 
 			for i := 0; i < 2; i++ {
-				if _, err := feeds.Insert(ctx, fmt.Sprintf("%s?idx=%d", sURL, i), "* * * * *", "matches", http.MethodHead, fmt.Sprintf("%s?idx=1%d", sURL, i), "{{.Title}}"); err != nil {
+				if _, err := feeds.Insert(ctx, fmt.Sprintf("%s?idx=%d", sURL, i), "* * * * *", "matches", http.MethodHead, fmt.Sprintf("%s?idx=1%d", sURL, i), "{{.Item.Title}}"); err != nil {
 					t.Fatal(err)
 				}
 			}