106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
package website
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import (
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"strings"
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"git.handmade.network/hmn/hmn/src/db"
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"git.handmade.network/hmn/hmn/src/models"
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"git.handmade.network/hmn/hmn/src/oops"
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"git.handmade.network/hmn/hmn/src/utils"
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)
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func APICheckUsername(c *RequestContext) ResponseData {
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c.Req.ParseForm()
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usernameArgs, hasUsername := c.Req.Form["username"]
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found := false
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canonicalUsername := ""
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if hasUsername {
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requestedUsername := usernameArgs[0]
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found = true
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c.Perf.StartBlock("SQL", "Fetch user")
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user, err := db.QueryOne[models.User](c, c.Conn,
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`
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SELECT $columns
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FROM
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hmn_user
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WHERE
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LOWER(hmn_user.username) = LOWER($1)
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AND status = ANY ($2)
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`,
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requestedUsername,
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[]models.UserStatus{models.UserStatusConfirmed, models.UserStatusApproved},
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)
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c.Perf.EndBlock()
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if err != nil {
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if errors.Is(err, db.NotFound) {
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found = false
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} else {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch user: %s", requestedUsername))
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}
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} else {
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canonicalUsername = user.Username
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}
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}
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var res ResponseData
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addCORSHeaders(c, &res)
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if found {
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res.WriteJson(map[string]any{
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"found": true,
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"canonical": canonicalUsername,
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}, nil)
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} else {
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res.WriteJson(map[string]any{
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"found": false,
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}, nil)
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}
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return res
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}
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func APINewsletterSignup(c *RequestContext) ResponseData {
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bodyBytes := utils.Must1(io.ReadAll(c.Req.Body))
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type Input struct {
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Email string `json:"email"`
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}
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var input Input
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err := json.Unmarshal(bodyBytes, &input)
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if err != nil {
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return c.ErrorResponse(http.StatusBadRequest, err)
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}
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var res ResponseData
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sanitized := input.Email
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sanitized = strings.TrimSpace(sanitized)
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sanitized = strings.ToLower(sanitized)
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if len(sanitized) > 200 {
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res.StatusCode = http.StatusBadRequest
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return res
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}
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if !strings.Contains(sanitized, "@") {
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res.StatusCode = http.StatusBadRequest
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res.WriteJson(map[string]any{
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"error": "bad email",
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}, nil)
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return res
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}
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_, err = c.Conn.Exec(c,
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`
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INSERT INTO newsletter_emails (email) VALUES ($1)
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ON CONFLICT DO NOTHING
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`,
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sanitized,
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)
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if err != nil {
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return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to save email into database"))
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}
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res.WriteHeader(http.StatusNoContent)
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return res
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}
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