Comment SN posts with HN info

go.mod

@@ -4,6 +4,7 @@ go 1.20
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/namsral/flag v1.7.4-pre // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect

go.sum

@@ -1,6 +1,8 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/namsral/flag v1.7.4-pre h1:b2ScHhoCUkbsq0d2C15Mv+VU8bl8hAXV8arnWiOHNZs=

hn.go

@@ -78,3 +78,11 @@ func FetchStoryById(id ItemID) Story {
 
 	return story
 }
+
+func HackerNewsUserLink(user string) string {
+	return fmt.Sprintf("%s/user?id=%s", HackerNewsUrl, user)
+}
+
+func HackerNewsItemLink(id int) string {
+	return fmt.Sprintf("%s/item?id=%d", HackerNewsUrl, id)
+}

sn.go

@@ -6,7 +6,9 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+	"time"
 
+	"github.com/dustin/go-humanize"
 	"github.com/joho/godotenv"
 	"github.com/namsral/flag"
 )
@@ -28,6 +30,16 @@ type DupesResponse struct {
 	} `json:"data"`
 }
 
+type Item struct {
+	Id int `json:"id,string"`
+}
+
+type UpsertLinkResponse struct {
+	Data struct {
+		UpsertLink Item `json:"upsertLink"`
+	} `json:"data"`
+}
+
 var (
 	SnApiUrl   string
 	SnApiToken string
@@ -123,4 +135,38 @@ func PostStoryToStackerNews(story *Story) {
 	}
 	resp := MakeStackerNewsRequest(body)
 	defer resp.Body.Close()
+
+	var upsertLinkResp UpsertLinkResponse
+	err := json.NewDecoder(resp.Body).Decode(&upsertLinkResp)
+	if err != nil {
+		log.Fatal("Error decoding dupes JSON:", err)
+	}
+
+	parentId := upsertLinkResp.Data.UpsertLink.Id
+	comment := fmt.Sprintf(
+		"This link was posted by [%s](%s) %s on [HN](%s). It received %d points and %d comments.",
+		story.By,
+		HackerNewsUserLink(story.By),
+		humanize.Time(time.Unix(int64(story.Time), 0)),
+		HackerNewsItemLink(story.ID),
+		story.Score, story.Descendants,
+	)
+	CommentStackerNewsPost(comment, parentId)
+}
+
+func CommentStackerNewsPost(text string, parentId int) {
+	body := GraphQLPayload{
+		Query: `
+			mutation createComment($text: String!, $parentId: ID!) {
+        createComment(text: $text, parentId: $parentId) {
+          id
+        }
+			}`,
+		Variables: map[string]interface{}{
+			"text":     text,
+			"parentId": parentId,
+		},
+	}
+	resp := MakeStackerNewsRequest(body)
+	defer resp.Body.Close()
 }