Fix alignment in README

README.md

@@ -1,14 +1,11 @@
 # snappy
 
-<div style="text-align: center">
-
+<p align="center">
 <img src="https://stacker.news/favicon.png" width="64" height="64" />
 <img src="https://go.dev/blog/go-brand/Go-Logo/PNG/Go-Logo_Blue.png" width="64" height="64" />
+</p>
 
-[stacker.news](https://stacker.news) API client package for Go
-
-</div>
-
+<p align="center">A Go client for the <a href="https://stacker.news" target="_blank">Stacker News</a> GraphQL API</p>
 
 ## How to use
 

client.go

@@ -107,3 +107,22 @@ func (c *Client) checkForErrors(err []GqlError) error {
 	}
 	return nil
 }
+
+func (c *Client) checkForPayInErrors(payIn PayIn) error {
+	privates := payIn.PayerPrivates
+	if privates.PayInFailureReason != "" {
+		return fmt.Errorf("mutation failed: %s", privates.PayInFailureReason)
+	}
+
+	bolt11 := privates.PayInBolt11
+	if bolt11.Id != 0 {
+		return fmt.Errorf("mutation failed: bolt11 payment required")
+	}
+
+	result := privates.Result
+	if result.Id == 0 {
+		return fmt.Errorf("mutation failed: no result id")
+	}
+
+	return nil
+}

items.go

@@ -62,8 +62,16 @@ type ItemsResponse struct {
 }
 
 type PayIn struct {
-	Id   int  `json:"id"`
-	Item Item `json:"item"`
+	Id            int `json:"id"`
+	PayerPrivates struct {
+		PayInFailureReason string `json:"payInFailureReason"`
+		PayInBolt11        struct {
+			Id int `json:"id"`
+		} `json:"payInBolt11"`
+		Result struct {
+			Id int `json:"id,string"`
+		} `json:"result"`
+	} `json:"payerPrivates"`
 }
 
 type UpsertDiscussionResponse struct {
@@ -226,8 +234,16 @@ func (c *Client) PostDiscussion(title string, text string, sub string) (int, err
 		mutation upsertDiscussion($title: String!, $text: String, $sub: String) {
 			upsertDiscussion(title: $title, text: $text, sub: $sub) {
 				id
-				item {
-					id
+				payerPrivates {
+					payInFailureReason
+					payInBolt11 {
+						id
+					}
+					result {
+						... on Item {
+							id
+						}
+					}
 				}
 			}
 		}`,
@@ -256,12 +272,13 @@ func (c *Client) PostDiscussion(title string, text string, sub string) (int, err
 		return -1, err
 	}
 
-	item := respBody.Data.UpsertDiscussion.Item
-	if item.Id == 0 {
-		return -1, fmt.Errorf("API returned no item id")
+	payIn := respBody.Data.UpsertDiscussion
+	err = c.checkForPayInErrors(payIn)
+	if err != nil {
+		return -1, err
 	}
 
-	return item.Id, nil
+	return payIn.PayerPrivates.Result.Id, nil
 }
 
 func (c *Client) PostLink(url string, title string, text string, sub string) (int, error) {
@@ -270,8 +287,16 @@ func (c *Client) PostLink(url string, title string, text string, sub string) (in
 		mutation upsertLink($url: String!, $title: String!, $text: String, $sub: String!) {
 			upsertLink(url: $url, title: $title, text: $text, sub: $sub) {
 				id
-				item {
-					id
+				payerPrivates {
+					payInFailureReason
+					payInBolt11 {
+						id
+					}
+					result {
+						... on Item {
+							id
+						}
+					}
 				}
 			}
 		}`,
@@ -301,12 +326,13 @@ func (c *Client) PostLink(url string, title string, text string, sub string) (in
 		return -1, err
 	}
 
-	item := respBody.Data.UpsertLink.Item
-	if item.Id == 0 {
-		return -1, fmt.Errorf("API returned no item id")
+	payIn := respBody.Data.UpsertLink
+	err = c.checkForPayInErrors(payIn)
+	if err != nil {
+		return -1, err
 	}
 
-	return item.Id, nil
+	return payIn.PayerPrivates.Result.Id, nil
 }
 
 func (c *Client) CreateComment(parentId int, text string) (int, error) {
@@ -315,8 +341,16 @@ func (c *Client) CreateComment(parentId int, text string) (int, error) {
 		mutation upsertComment($parentId: ID!, $text: String!) {
 			upsertComment(parentId: $parentId, text: $text) {
 				id
-				item {
-					id
+				payerPrivates {
+					payInFailureReason
+					payInBolt11 {
+						id
+					}
+					result {
+						... on Item {
+							id
+						}
+					}
 				}
 			}
 		}`,
@@ -344,12 +378,13 @@ func (c *Client) CreateComment(parentId int, text string) (int, error) {
 		return -1, err
 	}
 
-	item := respBody.Data.UpsertComment.Item
-	if item.Id == 0 {
-		return -1, fmt.Errorf("API returned no item id")
+	payIn := respBody.Data.UpsertComment
+	err = c.checkForPayInErrors(payIn)
+	if err != nil {
+		return -1, err
 	}
 
-	return item.Id, nil
+	return payIn.PayerPrivates.Result.Id, nil
 }
 
 func (c *Client) Dupes(url string) (*[]Dupe, error) {