58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
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package api
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import (
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"fmt"
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"net/http"
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"strings"
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"code.nonshy.com/nonshy/website/pkg/models"
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)
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// UsernameCheck API.
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func UsernameCheck() http.HandlerFunc {
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// Request JSON schema.
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type Request struct {
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Username string `json:"username"`
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}
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// Response JSON schema.
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type Response struct {
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OK bool `json:"OK"`
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Error string `json:"error,omitempty"`
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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SendJSON(w, http.StatusNotAcceptable, Response{
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Error: "POST method only",
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})
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return
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}
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// Parse request payload.
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var req Request
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if err := ParseJSON(r, &req); err != nil {
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SendJSON(w, http.StatusBadRequest, Response{
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Error: fmt.Sprintf("Error with request payload: %s", err),
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})
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return
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}
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// Username to test.
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var username = strings.TrimSpace(strings.ToLower(req.Username))
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// Does it exist?
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if _, err := models.FindUser(username); err == nil {
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SendJSON(w, http.StatusOK, Response{
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Error: "That username is already taken, please try another one.",
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})
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return
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}
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// Send success response.
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SendJSON(w, http.StatusOK, Response{
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OK: true,
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})
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})
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}
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