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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package handler | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/kyong0612/fitness-saporter/infra/line" | ||
| ) | ||
|
|
||
| func PostLINEWebhook(w http.ResponseWriter, r *http.Request) { | ||
| ctx := r.Context() | ||
| events, err := line.ParseWebhookRequest(ctx, r) | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| if len(events) == 0 { | ||
| w.WriteHeader(http.StatusOK) | ||
| return | ||
| } | ||
|
|
||
| line, err := line.NewClient() | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| for _, event := range events { | ||
| if _, err := line.ReplyMessage(ctx, event.ReplyToken, []string{event.Content}); err != nil { | ||
| http.Error(w, err.Error(), http.StatusInternalServerError) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| w.WriteHeader(http.StatusOK) | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package line | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log/slog" | ||
| "net/http" | ||
|
|
||
| "github.com/kyong0612/fitness-saporter/infra/config" | ||
| "github.com/line/line-bot-sdk-go/v8/linebot/messaging_api" | ||
| ) | ||
|
|
||
| var _ Client = client{} | ||
|
|
||
| type Client interface { | ||
| ReplyMessage(ctx context.Context, replyToken string, messages []string) (*http.Response, error) | ||
| } | ||
|
|
||
| type client struct { | ||
| bot *messaging_api.MessagingApiAPI | ||
| } | ||
|
|
||
| func NewClient() (Client, error) { | ||
| bot, err := messaging_api.NewMessagingApiAPI( | ||
| config.Get().LINEChannelToken, | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return client{ | ||
| bot, | ||
| }, nil | ||
| } | ||
|
|
||
| func (c client) ReplyMessage(ctx context.Context, replyToken string, messages []string) (*http.Response, error) { | ||
| textMessages := make([]messaging_api.MessageInterface, 0, len(messages)) | ||
| for _, message := range messages { | ||
| textMessages = append(textMessages, messaging_api.TextMessage{ | ||
| Text: message, | ||
| }) | ||
| } | ||
|
|
||
| resp, _, err := c.bot.ReplyMessageWithHttpInfo( | ||
| &messaging_api.ReplyMessageRequest{ | ||
| ReplyToken: replyToken, | ||
| Messages: textMessages, | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| slog.InfoContext(ctx, fmt.Sprintf("status code: (%v), x-line-request-id: (%v)", resp.StatusCode, resp.Header.Get("x-line-request-id"))) | ||
|
|
||
| return resp, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package line | ||
|
|
||
| import ( | ||
| "context" | ||
| "log/slog" | ||
| "net/http" | ||
| "net/http/httputil" | ||
|
|
||
| "github.com/cockroachdb/errors" | ||
| "github.com/kyong0612/fitness-saporter/infra/config" | ||
| "github.com/line/line-bot-sdk-go/v8/linebot/webhook" | ||
| ) | ||
|
|
||
| type MessageType string | ||
|
|
||
| const ( | ||
| MessageTypeText MessageType = "text" | ||
| MessageTypeImage MessageType = "image" | ||
| ) | ||
|
|
||
| type MessageEvent struct { | ||
| ReplyToken string | ||
| Type MessageType | ||
| Content string | ||
| } | ||
|
|
||
| func ParseWebhookRequest(ctx context.Context, req *http.Request) ([]MessageEvent, error) { | ||
| cb, err := webhook.ParseRequest( | ||
| config.Get().LINEChannelToken, | ||
| req, | ||
| ) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "failed to parse webhook request") | ||
| } | ||
|
|
||
| dump, err := httputil.DumpRequest(req, true) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "failed to dump request") | ||
| } | ||
|
|
||
| slog.InfoContext( | ||
| ctx, | ||
| "webhook request parsed", | ||
| slog.Group( | ||
| "request", slog.String("body", string(dump)), | ||
| ), | ||
| ) | ||
|
|
||
| result := make([]MessageEvent, 0, len(cb.Events)) | ||
| for _, event := range cb.Events { | ||
| switch e := event.(type) { | ||
| case webhook.MessageEvent: | ||
| replyToken := e.ReplyToken | ||
| switch message := e.Message.(type) { | ||
| case webhook.TextMessageContent: | ||
| result = append(result, MessageEvent{ | ||
| ReplyToken: replyToken, | ||
| Type: "text", | ||
| Content: message.Text, | ||
| }) | ||
| case webhook.ImageMessageContent: | ||
| result = append(result, MessageEvent{ | ||
| ReplyToken: replyToken, | ||
| Type: "image", | ||
| Content: message.ContentProvider.OriginalContentUrl, | ||
| }) | ||
| default: | ||
| slog.WarnContext( | ||
| ctx, | ||
| "unsupported message type", | ||
| slog.String("type", message.GetType()), | ||
| ) | ||
| } | ||
| default: | ||
| slog.WarnContext( | ||
| ctx, | ||
| "unsupported event type", | ||
| slog.String("type", e.GetType()), | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| return result, nil | ||
| } |