1 files changed, 85 insertions, 0 deletions
diff --git a/api/guestbook/guestbook.go b/api/guestbook/guestbook.go
new file mode 100644
index 0000000..60a7b4b
--- /dev/null
+++ b/api/guestbook/guestbook.go
@@ -0,0 +1,85 @@
+package guestbook
+
+import (
+	"log"
+	"net/http"
+	"strings"
+
+	"git.hatecomputers.club/hatecomputers/hatecomputers.club/api/types"
+	"git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
+	"git.hatecomputers.club/hatecomputers/hatecomputers.club/utils"
+)
+
+func validateGuestbookEntry(entry *database.GuestbookEntry) []string {
+	errors := []string{}
+
+	if entry.Name == "" {
+		errors = append(errors, "name is required")
+	}
+
+	if entry.Message == "" {
+		errors = append(errors, "message is required")
+	}
+
+	messageLength := len(entry.Message)
+	if messageLength > 500 {
+		errors = append(errors, "message cannot be longer than 500 characters")
+	}
+
+	newLines := strings.Count(entry.Message, "\n")
+	if newLines > 10 {
+		errors = append(errors, "message cannot contain more than 10 new lines")
+	}
+
+	return errors
+}
+
+func SignGuestbookContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, failure types.Continuation) types.ContinuationChain {
+		name := req.FormValue("name")
+		message := req.FormValue("message")
+
+		formErrors := types.FormError{
+			Errors: []string{},
+		}
+
+		entry := &database.GuestbookEntry{
+			ID:      utils.RandomId(),
+			Name:    name,
+			Message: message,
+		}
+		formErrors.Errors = append(formErrors.Errors, validateGuestbookEntry(entry)...)
+
+		if len(formErrors.Errors) == 0 {
+			_, err := database.SaveGuestbookEntry(context.DBConn, entry)
+			if err != nil {
+				log.Println(err)
+				formErrors.Errors = append(formErrors.Errors, "failed to save entry")
+			}
+		}
+
+		if len(formErrors.Errors) > 0 {
+			(*context.TemplateData)["FormError"] = formErrors
+			(*context.TemplateData)["EntryForm"] = entry
+			resp.WriteHeader(http.StatusBadRequest)
+
+			return failure(context, req, resp)
+		}
+
+		return success(context, req, resp)
+	}
+}
+
+func ListGuestbookContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, failure types.Continuation) types.ContinuationChain {
+		entries, err := database.GetGuestbookEntries(context.DBConn)
+		if err != nil {
+			log.Println(err)
+			resp.WriteHeader(http.StatusInternalServerError)
+			return failure(context, req, resp)
+		}
+
+		(*context.TemplateData)["GuestbookEntries"] = entries
+		return success(context, req, resp)
+	}
+}